Browsing by Author "Sharma A"

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A mixed methods study on men's and women's tuberculosis care journeys in Lusaka, Zambia-Implications for gender-tailored tuberculosis health promotion and case finding strategies.
(2023) Kerkhoff AD; Mwamba C; Pry JM; Kagujje M; Nyangu S; Mateyo K; Sanjase N; Chilukutu L; Christopoulos KA; Muyoyeta M; Sharma A; Division of Epidemiology, University of California Davis, Davis, California, United States of America.; Centre for Infectious Disease Research in Zambia, Lusaka, Zambia.; Division of HIV, Infectious Diseases and Global Medicine Zuckerberg San Francisco General Hospital and Trauma Center, University of California San Francisco, San Francisco, California, United States of America.; Department of Internal Medicine, University Teaching Hospital, Lusaka, Zambia.; CIDRZ; Centre for Infectious Disease Research in Zambia (CIDRZ)
Men and women with undiagnosed tuberculosis (TB) in high burden countries may have differential factors influencing their healthcare seeking behaviors and access to TB services, which can result in delayed diagnoses and increase TB-related morbidity and mortality. A convergent, parallel, mixed-methods study design was used to explore and evaluate TB care engagement among adults (≥18 years) with newly diagnosed, microbiologically-confirmed TB attending three public health facilities in Lusaka, Zambia. Quantitative structured surveys characterized the TB care pathway (time to initial care-seeking, diagnosis, and treatment initiation) and collected information on factors influencing care engagement. Multinomial multivariable logistic regression was used to determine predicted probabilities of TB health-seeking behaviors and determinants of care engagement. Qualitative in-depth interviews (IDIs; n = 20) were conducted and analyzed using a hybrid approach to identify barriers and facilitators to TB care engagement by gender. Overall, 400 TB patients completed a structured survey, of which 275 (68.8%) and 125 (31.3%) were men and women, respectively. Men were more likely to be unmarried (39.3% and 27.2%), have a higher median daily income (50 and 30 Zambian Kwacha [ZMW]), alcohol use disorder (70.9% [AUDIT-C score ≥4] and 31.2% [AUDIT-C score ≥3]), and a history of smoking (63.3% and 8.8%), while women were more likely to be religious (96.8% and 70.8%) and living with HIV (70.4% and 36.0%). After adjusting for potential confounders, the probability of delayed health-seeking ≥4 weeks after symptom onset did not differ significantly by gender (44.0% and 36.2%, p = 0.14). While the top reasons for delayed healthcare-seeking were largely similar by gender, men were more likely to report initially perceiving their symptoms as not being serious (94.8% and 78.7%, p = 0.032), while women were more likely to report not knowing the symptoms of TB before their diagnosis (89.5% and 74.4%; p = 0.007) and having a prior bad healthcare experience (26.4% and 9.9%; p = 0.036). Notably, women had a higher probability of receiving TB diagnosis ≥2 weeks after initial healthcare seeking (56.5% and 41.0%, p = 0.007). While men and women reported similar acceptability of health-information sources, they emphasized different trusted messengers. Also, men had a higher adjusted probability of stating that no one influenced their health-related decision making (37.9% and 28.3%, p = 0.001). In IDIs, men recommended TB testing sites at convenient community locations, while women endorsed an incentivized, peer-based, case-finding approach. Sensitization and TB testing strategies at bars and churches were highlighted as promising approaches to reach men and women, respectively. This mixed-methods study found important differences between men and women with TB in Zambia. These differences suggest the need for gender-tailored TB health promotion, including addressing harmful alcohol use and smoking among men, and sensitizing HCWs to prolonged delays in TB diagnosis among women, and also using gender-specific approaches as part of community-based, active case-finding strategies to improve TB diagnosis in high burden settings.
Accurate dried blood spots collection in the community using non-medically trained personnel could support scaling up routine viral load testing in resource limited settings.
(2019) Sikombe K; Hantuba C; Musukuma K; Sharma A; Padian N; Holmes C; Czaicki N; Simbeza S; Somwe P; Bolton-Moore C; Sikazwe I; Geng E; Centre for Infectious Diseases Research in Zambia, Lusaka, Zambia.; Division of HIV, Infectious Diseases and Global Medicine, University of California, San Francisco, Zuckerberg San Francisco General Hospital, San Francisco, California, United States of America.; Division of Epidemiology, University of California, Berkeley, Berkeley, California, United States of America.; Center for Global Health and Quality, Georgetown University, Washington, District of Columbia, United States of America.; Division of Infectious Diseases, University of Alabama, Birmingham, Alabama, United States of America.; Division of Infectious Diseases, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America.; CIDRZ; Centre for Infectious Disease Research in Zambia (CIDRZ)
Regular plasma HIV-RNA testing for persons living with HIV on antiretroviral therapy (ART) is now the global standard, but as many as 60% of persons in Africa today on ART do not have access to standard laboratory HIV-RNA assays. As a result, patients in Zambia often receive treatment without any means of determining true virologic failure, which poses a risk of premature switch of ART regimens and widespread HIV drug resistance. Dry blood spots (DBS) on the other hand require unskilled personnel and less complex storage supply chain so are ideal to capture viral-load results from HIV patients outside clinic settings. We assess collection of DBS in the community using non-medically trained personnel (NMP) and documented challenges. We trained 23 NMP to collect DBS from lost to follow-up (LTFU) patients in 4 rural and urban Zambian districts. We developed a phlebotomy box to transport DBS without contamination at ambient temperature and concomitant training and standard operating procedures. We evaluated this through field observations, bi-weekly meetings, reports, and staff meetings. The laboratory assessed DBS quality for testing validity. We attempted to collect DBS from 357 participants in the community. Though individual reasons for refusal from the remaining 37% were not collected, NMPs reported privacy concerns, awkward box-size which drew attention in the community and fears of undisclosed uses of samples related to witchcraft and circulating narratives about past research. Successful DBS collection was not associated with patient gender, age, time on ART, enrolment CD4, facility. DBS viral-load collection by NMP is feasible in Zambia. Our training approach and assessments of NMP not part of the health system can be extended to patients by giving them more responsibility to manage their own differentiated care groups. Concerted efforts that compare collection of DBS by NMP to those collected by skilled-medical personnel are needed.
Alcohol reduction outcomes following brief counseling among adults with HIV in Zambia: A sequential mixed methods study.
(2022) Asombang M; Helova A; Chipungu J; Sharma A; Wandeler G; Kane JC; Turan JM; Smith H; Vinikoor MJ; Department of Infectious Diseases and Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland.; Columbia University Mailman School of Public Health, New York City, NY, United States of America.; School of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States of America.; Bradford Institute for Health Research, Bradford, United Kingdom.; School of Public Health, University of Alabama at Birmingham, Birmingham, AL, United States of America.; Centre for Infectious Disease Research in Zambia, Lusaka, Zambia.; CIDRZ; Centre for Infectious Disease Research in Zambia (CIDRZ)
Data from sub-Saharan Africa on the impact of alcohol on the HIV epidemic in sub-Saharan Africa is limited. In this region, it is not well understood how people with HIV (PLWHA) respond to alcohol reduction counseling while they are linked to HIV clinical care. We conducted an explanatory sequential mixed-methods study to understand patterns of alcohol use among adults (18+ years) within a prospective HIV cohort at two urban public-sector clinics in Zambia. At antiretroviral therapy (ART) start and one year later, we measured alcohol use with Alcohol Use Disorders Identification Test-Consumption (AUDIT-C) and those reporting any alcohol use were provided brief counseling. We conducted focus groups at 1 year with participants who had any alcohol use and 20 in-depth interviews among the subgroup with unhealthy use pre-ART and who either reduced or did not reduce their use by 1 year to moderate levels or abstinence. Focus group Discussions (FGDs) (n = 2) were also held with HIV clinic staff. Qualitative data were analyzed using thematic analysis. The data obtained from 693 participants was analyzed (median age 34 years, 45% men), it revealed that unhealthy alcohol use (AUDIT-C >3 for men; >2 for women) was reported among 280 (40.4%) at baseline and 205 (29.6%) at 1 year on ART. Reduction from unhealthy to moderate use or abstinence was more common with older age, female, non-smoking, and at Clinic B (all P<0.05). Qualitative data revealed ineffective alcohol support at clinics, social pressures in the community to consume alcohol, and unaddressed drivers of alcohol use including poverty, poor health status, depression, and HIV stigma. Healthcare workers reported a lack of training in alcohol screening and treatment, which led to mixed messages provided to patients ('reduce to safe levels' versus 'abstain'). In summary, interventions to reduce unhealthy alcohol use are needed within HIV clinics in Zambia as a substantial population have persistent unhealthy use despite current HIV clinical care. A better understanding is needed regarding the implementation challenges related to screening for unhealthy alcohol use integrated with HIV services.
Alcohol-focused and transdiagnostic treatments for unhealthy alcohol use among adults with HIV in Zambia: A 3-arm randomized controlled trial.
(2023-Apr) Vinikoor MJ; Sharma A; Murray LK; Figge CJ; Bosomprah S; Chitambi C; Paul R; Kanguya T; Sivile S; Nghiem V; Cropsey K; Kane JC; Zambian Ministry of Health, Lusaka, Zambia.; Columbia University Mailman School of Public Health, New York, NY, USA.; Centre for Infectious Disease Research in Zambia, Lusaka, Zambia; School of Medicine, University of Alabama at Birmingham, Birmingham, AL, USA; School of Medicine, University Teaching Hospital, University of Zambia, Lusaka, Zambia. Electronic address: michael.vinikoor@cidrz.org.; School of Medicine, University Teaching Hospital, University of Zambia, Lusaka, Zambia.; Centre for Infectious Disease Research in Zambia, Lusaka, Zambia; School of Public Health, University of Ghana, Accra, Ghana.; Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA.; School of Public Health, University of Alabama at Birmingham, Birmingham, AL, USA.; School of Medicine, University of Alabama at Birmingham, Birmingham, AL, USA.; Centre for Infectious Disease Research in Zambia, Lusaka, Zambia.; CIDRZ; Centre for Infectious Disease Research in Zambia (CIDRZ)
BACKGROUND: Clinical and quality of life outcomes in people living with human immunodeficiency virus (PLWH) are undermined by unhealthy alcohol use (UAU), which is highly prevalent in this population and is often complicated by mental health (MH) or other substance use (SU) comorbidity. In sub-Saharan Africa, evidence-based and implementable treatment options for people with HIV and UAU are needed. METHODS: We are conducting a hybrid clinical effectiveness-implementation trial at three public-sector HIV clinics in Lusaka, Zambia. Adults with HIV, who report UAU, and have suboptimal HIV clinical outcomes, will be randomized to one of three arms: an alcohol-focused brief intervention (BI), the BI with additional referral to a transdiagnostic cognitive behavioral therapy (Common Elements Treatment Approach [CETA]), or standard of care. The BI and CETA will be provided by HIV peer counselors, a common cadre of lay health worker in Zambia. Clinical outcomes will include HIV viral suppression, alcohol use, assessed by audio computer-assisted self-interview (ACASI) and direct alcohol biomarkers, Phophatidylethanol and Ethyl glucuronide, and comorbid MH and other SU. A range of implementation outcomes including cost effectiveness will also be analyzed. CONCLUSION: Hybrid and 3-arm trial design features facilitate the integrated evaluation of both brief, highly implementable, and more intensive, less implementable, treatment options for UAU among PLWH in sub-Saharan Africa. Use of ACASI and alcohol biomarkers will strengthen understanding of treatment effects.
An exploration of multi-level factors affecting routine linkage to HIV care in Zambia's PEPFAR-supported treatment program in the treat all era.
(2024) Chipungu J; Smith H; Mwamba C; Haambokoma M; Sharma A; Savory T; Musheke M; Pry J; Bolton C; Sikazwe I; Herce ME; Research Department, Social and Behavioral Science Unit, Centre for Infectious Disease Research in Zambia (CIDRZ), Lusaka, Zambia.
Multiple steps from HIV diagnosis to treatment initiation and confirmed engagement with the health system are required for people living with HIV to establish full linkage to care in the modern treat all era. We undertook a qualitative study to gain an in-depth understanding of the impeding and enabling factors at each step of this linkage pathway. In-depth interviews were conducted with fifty-eight people living with HIV recruited from ten routine HIV care settings supported by the U.S. President's Emergency Plan for AIDS Relief (PEPFAR) in Lusaka, Zambia. Using a semi-structured interview guide informed by an established conceptual framework for linkage to care, questions explored the reasons behind late, missed, and early linkage into HIV treatment, as well as factors influencing the decision to silently transfer to a different clinic after an HIV diagnosis. We identified previously established and intersecting barriers of internal and external HIV-related stigma, concerns about ART side effects, substance use, uncertainties for the future, and a perceived lack of partner and social support that impeded linkage to care at every step of the linkage pathway. However, we also uncovered newer themes specific to the current test and treat era related to the rapidity of ART initiation and insufficient patient-centered post-test counseling that appeared to exacerbate these well-known barriers, including callous health workers and limited time to process a new HIV diagnosis before treatment. Long travel distance to the clinic where they were diagnosed was the most common reason for silently transferring to another clinic for treatment. On the other hand, individual resilience, quality counseling, patient-centered health workers, and a supportive and empathetic social network mitigated these barriers. These findings highlight potential areas for strengthening linkage to care and addressing early treatment interruption and silent transfer in the test and treat era in Zambia.
Cervical cancer prevention and care in HIV clinics across sub-Saharan Africa: results of a facility-based survey.
(2024-Jul) Asangbeh-Kerman SL; Davidović M; Taghavi K; Dhokotera T; Manasyan A; Sharma A; Jaquet A; Musick B; Twizere C; Chimbetete C; Murenzi G; Tweya H; Muhairwe J; Wools-Kaloustian K; Technau KG; Anastos K; Yotebieng M; Jousse M; Ezechi O; Orang'o O; Bosomprah S; Pierre Boni S; Basu P; Bohlius J; Department of Biostatistics, School of Public Health, University of Ghana, Accra, Ghana.; SolidarMed, Partnerships for Health, Maseru, Lesotho.; Programme National de Lutte contre le Cancer (PNLCa), Abidjan, Côte d'Ivoire.; Department of Medicine and Epidemiology, Albert Einstein College of Medicine, Bronx, New York, USA.; Moi University, Eldoret, Kenya.; Department of Medicine, Indiana University School of Medicine, Indianapolis, Indiana, USA.; Programme PAC-CI, Site ANRS Treichville, Abidjan, Côte d'Ivoire.; Institute of Social and Preventive Medicine, University of Bern, Bern, Switzerland.; Newlands Clinic, Harare, Zimbabwe.; Department of Clinical Sciences, Nigerian Institute of Medical Research, Lagos, Nigeria.; Department of Medicine, Albert Einstein College of Medicine, Bronx, New York, USA.; Department of Paediatrics and Child Health, Rahima Moosa Mother and Child Hospital, Johannesburg-Braamfontein, South Africa.; University of Basel, Basel, Switzerland.; Empilweni Services and Research Unit, Rahima Moosa Mother and Child Hospital, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa.; Graduate School for Health Sciences, University of Bern, Bern, Switzerland.; Early Detection, Prevention and Infections Branch, International Agency for Research on Cancer, Lyon, France.; SolidarMed, Partnership for Health, Chiure, Mozambique.; Institute of Global Health, University of Geneva, Geneva, Switzerland.; Centre National de Reference en Matière de VIH/SIDA, Bujumbura, Burundi.; Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama, USA.; Einstein-Rwanda Research and Capacity Building Programme, Research for Development and Rwanda Military Hospital, Kigali, Rwanda.; Graduate School of Cellular and Biomedical Sciences, University of Bern, Bern, Switzerland.; University of Bordeaux, National Institute for Health and Medical Research (INSERM) UMR 1219, Research Institute for Sustainable Development (IRD) EMR 271, Bordeaux Population Health Centre, Bordeaux, France.; International Training and Education Centre for Health (I-TECH), Lilongwe, Malawi.; Swiss Tropical and Public Health Institute, Allschwil, Switzerland.; Department of Biostatistics and Health Data Science, School of Medicine, Indiana University, Indianapolis, Indiana, USA.; Centre for Infectious Disease Research in Zambia, Lusaka, Zambia.; CIDRZ; Centre for Infectious Disease Research in Zambia (CIDRZ)
INTRODUCTION: To eliminate cervical cancer (CC), access to and quality of prevention and care services must be monitored, particularly for women living with HIV (WLHIV). We assessed implementation practices in HIV clinics across sub-Saharan Africa (SSA) to identify gaps in the care cascade and used aggregated patient data to populate cascades for WLHIV attending HIV clinics. METHODS: Our facility-based survey was administered between November 2020 and July 2021 in 30 HIV clinics across SSA that participate in the International epidemiology Databases to Evaluate AIDS (IeDEA) consortium. We performed a qualitative site-level assessment of CC prevention and care services and analysed data from routine care of WLHIV in SSA. RESULTS: Human papillomavirus (HPV) vaccination was offered in 33% of sites. Referral for CC diagnosis (42%) and treatment (70%) was common, but not free at about 50% of sites. Most sites had electronic health information systems (90%), but data to inform indicators to monitor global targets for CC elimination in WLHIV were not routinely collected in these sites. Data were collected routinely in only 36% of sites that offered HPV vaccination, 33% of sites that offered cervical screening and 20% of sites that offered pre-cancer and CC treatment. CONCLUSIONS: Though CC prevention and care services have long been available in some HIV clinics across SSA, patient and programme monitoring need to be improved. Countries should consider leveraging their existing health information systems and use monitoring tools provided by the World Health Organization to improve CC prevention programmes and access, and to track their progress towards the goal of eliminating CC.
Common Elements Treatment Approach (CETA) for unhealthy alcohol use among persons with HIV in Zambia: Study protocol of the ZCAP randomized controlled trial.
(2020-Dec) Kane JC; Sharma A; Murray LK; Chander G; Kanguya T; Lasater ME; Skavenski S; Paul R; Mayeya J; Kmett Danielson C; Chipungu J; Chitambi C; Vinikoor MJ; University of Zambia, School of Medicine, University Teaching Hospital, Lusaka, Zambia.; University of Alabama at Birmingham School of Medicine, Birmingham, AL, USA.; Columbia University Mailman School of Public Health, New York, NY, USA.; Zambia Ministry of Health, Lusaka, Zambia.; Johns Hopkins University School of Medicine, Baltimore, MD, USA.; Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA.; Centre for Infectious Disease Research in Zambia, Lusaka, Zambia.; Medical University of South Carolina, Charleston, SC, USA.; CIDRZ; Centre for Infectious Disease Research in Zambia (CIDRZ)
AIMS: Prevalence of unhealthy alcohol use and co-occurring mental health problems is high among persons living with HIV (PLWH) in sub-Saharan Africa (SSA). Yet, there is a dearth of evidence-based treatment options that can address both unhealthy alcohol use and comorbidities in SSA HIV care settings. Recent studies testing single-session alcohol brief interventions (BIs) among PLWH in SSA have suggested that more robust treatments are needed. This paper describes the protocol of a pilot randomized controlled superiority trial that will test the effectiveness of an evidence-based transdiagnostic multi-session psychotherapy, the Common Elements Treatment Approach (CETA), compared to a control condition consisting of a single session brief alcohol intervention (BI) based on CETA, at reducing unhealthy alcohol use, mental health problems, and other substance use among PLWH in urban Zambia. METHODS: The study is a single-blind, parallel, individually randomized trial conducted in HIV treatment centers in Lusaka. 160 PLWH who meet criteria for unhealthy alcohol use + mental health or substance use comorbidities and/or have a more severe alcohol use disorder are eligible. Participants are randomized 1:1 to receive the single-session BI or CETA. Outcomes are assessed at baseline and a six-month follow-up and include unhealthy alcohol use, depression, trauma symptoms, and other substance use. CONCLUSIONS: The trial is a first step in establishing the effectiveness of CETA at reducing unhealthy alcohol use and comorbidities among PLWH in SSA. If effectiveness is demonstrated, a larger trial featuring long-term follow-ups and HIV treatment outcomes will be undertaken.
Comparative effectiveness of in-person vs. remote delivery of the Common Elements Treatment Approach for addressing mental and behavioral health problems among adolescents and young adults in Zambia: protocol of a three-arm randomized controlled trial.
(2022-May-19) Figge CJ; Kane JC; Skavenski S; Haroz E; Mwenge M; Mulemba S; Aldridge LR; Vinikoor MJ; Sharma A; Inoue S; Paul R; Simenda F; Metz K; Bolton C; Kemp C; Bosomprah S; Sikazwe I; Murray LK; Department of Epidemiology, Harvard T.H. Chan School of Public Health, 655 Huntington Ave, Boston, MA, 02115, USA.; Johns Hopkins Bloomberg School of Public Health, Department of Mental Health, 615 N. Wolfe Street, Baltimore, MD, 21205, USA.; Department of Medicine, University of Alabama at Birmingham, 845 19th Street South, Birmingham, AL, 35294, USA.; Department of Medicine, University of Zambia, PO Box 50110, Lusaka, Zambia.; Johns Hopkins Bloomberg School of Public Health, Department of Mental Health, 615 N. Wolfe Street, Baltimore, MD, 21205, USA. cfigge1@jh.edu.; Ministry of Health Zambia, Haille Selassie Avenue, Ndeke House, P.O. Box 30205, Lusaka, Zambia.; Department of Psychiatry, University of Zambia, PO Box 50110, Lusaka, Zambia.; Department of Epidemiology, Columbia University Mailman School of Public Health, 722 W 168th St., New York City, NY, 10032, USA.; Department of Global Health, Hans Rosling Center, University of Washington School of Public Health, 3980 15th Ave. NE, Seattle, WA, 98105, USA.; The Centre for Infectious Disease Research (CIDRZ) Zambia, Plot 34620, Lusaka, Zambia.
BACKGROUND: In low- and middle-income countries (LMIC), there is a substantial gap in the treatment of mental and behavioral health problems, which is particularly detrimental to adolescents and young adults (AYA). The Common Elements Treatment Approach (CETA) is an evidence-based, flexible, transdiagnostic intervention delivered by lay counselors to address comorbid mental and behavioral health conditions, though its effectiveness has not yet been tested among AYA. This paper describes the protocol for a randomized controlled trial that will test the effectiveness of traditional in-person delivered CETA and a telehealth-adapted version of CETA (T-CETA) in reducing mental and behavioral health problems among AYA in Zambia. Non-inferiority of T-CETA will also be assessed. METHODS: This study is a hybrid type 1 three-arm randomized trial to be conducted in Lusaka, Zambia. Following an apprenticeship model, experienced non-professional counselors in Zambia will be trained as CETA trainers using a remote, technology-delivered training method. The new CETA trainers will subsequently facilitate technology-delivered trainings for a new cohort of counselors recruited from community-based partner organizations throughout Lusaka. AYA with mental and behavioral health problems seeking services at these same organizations will then be identified and randomized to (1) in-person CETA delivery, (2) telehealth-delivered CETA (T-CETA), or (3) treatment as usual (TAU). In the superiority design, CETA and T-CETA will be compared to TAU, and using a non-inferiority design, T-CETA will be compared to CETA, which is already evidence-based in other populations. At baseline, post-treatment (approximately 3-4 months post-baseline), and 6 months post-treatment (approximately 9 months post-baseline), we will assess the primary outcomes such as client trauma symptoms, internalizing symptoms, and externalizing behaviors and secondary outcomes such as client substance use, aggression, violence, and health utility. CETA trainer and counselor competency and cost-effectiveness will also be measured as secondary outcomes. Mixed methods interviews will be conducted with trainers, counselors, and AYA participants to explore the feasibility, acceptability, and sustainability of technology-delivered training and T-CETA provision in the Zambian context. DISCUSSION: Adolescents and young adults in LMIC are a priority population for the treatment of mental and behavioral health problems. Technology-delivered approaches to training and intervention delivery can expand the reach of evidence-based interventions. If found effective, CETA and T-CETA would help address a major barrier to the scale-up and sustainability of mental and behavioral treatments among AYA in LMIC. TRIAL REGISTRATION: ClinicalTrials.gov NCT03458039 . Prospectively registered on May 10, 2021.
Comparison of patient exit interviews with unannounced standardised patients for assessing HIV service delivery in Zambia: a study nested within a cluster randomised trial.
(2023-Jul-05) Sikombe K; Pry JM; Mody A; Rice B; Bukankala C; Eshun-Wilson I; Mutale J; Simbeza S; Beres LK; Mukamba N; Mukumbwa-Mwenechanya M; Mwamba D; Sharma A; Wringe A; Hargreaves J; Bolton-Moore C; Holmes C; Sikazwe IT; Geng E; Center for Innovation in Global Health, Georgetown University Medical Center, Washington, District of Columbia, USA.; Department of Medicine, The University of Alabama at Birmingham, Birmingham, Alabama, USA.; Implementation Science Unit, Center for Infectious Disease Research in Zambia, Lusaka, Zambia kombatende.sikombe@cidrz.org.; Implementation Science Unit, Center for Infectious Disease Research in Zambia, Lusaka, Zambia.; Social and Behavioural Science Research Group, Center for Infectious Disease Research in Zambia, Lusaka, Zambia.; Faculty of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, London, UK.; Department of International Health, Johns Hopkins University Bloomberg School of Public Health, Baltimore, Maryland, USA.; Internal Medicine, Washington University in St Louis School of Medicine, St Louis, Missouri, USA.; Department of Public Health, Environments and Society, London School of Hygiene and Tropical Medicine Faculty of Public Health and Policy, London, UK.; CIDRZ; Centre for Infectious Disease Research in Zambia (CIDRZ)
OBJECTIVES: To compare unannounced standardised patient approach (eg, mystery clients) with typical exit interviews for assessing patient experiences in HIV care (eg, unfriendly providers, long waiting times). We hypothesise standardised patients would report more negative experiences than typical exit interviews affected by social desirability bias. SETTING: Cross-sectional surveys in 16 government-operated HIV primary care clinics in Lusaka, Zambia providing antiretroviral therapy (ART). PARTICIPANTS: 3526 participants aged ≥18 years receiving ART participated in the exit surveys between August 2019 and November 2021. INTERVENTION: Systematic sample (every n OUTCOME MEASURES: We compared patient experience among patients who received brief training prior to their care visit (explaining each patient experience construct in the exit survey, being anonymous, without manipulating behaviour) with those who did not undergo training on the survey prior to their visit. RESULTS: Among 3526 participants who participated in exit surveys, 2415 were untrained (56% female, median age 40 (IQR: 32-47)) and 1111 were trained (50% female, median age 37 (IQR: 31-45)). Compared with untrained, trained patients were more likely to report a negative care experience overall (adjusted prevalence ratio (aPR) for aggregate sum score: 1.64 (95% CI: 1.39 to 1.94)), with a greater proportion reporting feeling unwelcome by providers (aPR: 1.71 (95% CI: 1.20 to 2.44)) and witnessing providers behaving rude (aPR: 2.28 (95% CI: 1.63 to 3.19)). CONCLUSION: Trained patients were more likely to identify suboptimal care. They may have understood the items solicited better or felt empowered to be more critical. We trained existing patients, unlike studies that use 'standardised patients' drawn from outside the patient population. This low-cost strategy could improve patient-centred service delivery elsewhere. TRIAL REGISTRATION NUMBER: Assessment was nested within a parent study; www.pactr.org registered the parent study (PACTR202101847907585).
Cross-sectional study to assess depression among healthcare workers in Lusaka, Zambia during the COVID-19 pandemic.
(2023-Apr-05) Simbeza S; Mutale J; Mulabe M; Jere L; Bukankala C; Sikombe K; Sikazwe I; Bolton-Moore C; Mody A; Geng EH; Sharma A; Beres LK; Pry JM; Research Department, Center for Infectious Disease Research in Zambia, Lusaka, Zambia.; Division of Infectious Diseases, Washington University in St Louis, St Louis, Missouri, USA.; Division of Infectious Diseases, The University of Alabama at Birmingham School of Medicine, Birmingham, Alabama, USA.; Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA.; Implementation Science Unit, Research Department, Center for Infectious Disease Research in Zambia, Lusaka, Zambia.; Public Health Sciences, University of California Davis School of Medicine, Sacramento, California, USA.; Implementation Science Unit, Research Department, Center for Infectious Disease Research in Zambia, Lusaka, Zambia jmpry@ucdavis.edu.; CIDRZ; Centre for Infectious Disease Research in Zambia (CIDRZ)
OBJECTIVES: We sought to assess depression among healthcare workers (HCWs) in the context of COVID-19 in Lusaka Province, Zambia. DESIGN: This cross-sectional study is nested within a larger study, the Person-Centred Public Health for HIV Treatment in Zambia (PCPH), a cluster-randomised trial to assess HIV care and outcomes. SETTING: The research was conducted in 24 government-run health facilities from 11 August to 15 October 2020 during the first wave of the COVID-19 pandemic in Lusaka, Zambia. PARTICIPANTS: We used convenience sampling to recruit HCW participants who were previously enrolled in the PCPH study, had more than 6 months' experience working at the facility and were voluntarily willing to participate. PRIMARY OUTCOME MEASURES: We implemented the well-validated 9-question Patient Health Questionnaire (PHQ-9) to assess HCW depression. We used mixed-effects, adjusted Poisson regression to estimate the marginal probability of HCWs experiencing depression that may warrant intervention (PHQ-9 score ≥5) by healthcare facility. RESULTS: We collected PHQ-9 survey responses from 713 professional and lay HCWs. Overall, 334 (46.8%, 95% CI 43.1%, 50.6%) HCWs recorded a PHQ-9 score ≥5, indicating the need for further assessment and potential intervention for depression. We identified significant heterogeneity across facilities and observed a greater proportion of HCWs with symptoms of depression in facilities providing COVID-19 testing and treatment services. CONCLUSIONS: Depression may be a concern for a large proportion of HCWs in Zambia. Further work to understand the magnitude and aetiologies of depression among HCWs in the public sector is needed to design effective prevention and treatment interventions to meet the needs for mental health support and to minimise poor health outcomes.
Designing community-based strategies to reach non-household contacts of people with tuberculosis in Lusaka, Zambia: a rapid qualitative study among key stakeholders.
(2024) Kerkhoff AD; Foloko M; Kundu-Ng'andu E; Nyirenda H; Jabbie Z; Syulikwa M; Mwamba C; Kagujje M; Muyoyeta M; Sharma A; Centre for Infectious Disease Research in Zambia, Lusaka, Zambia.; Division of HIV, Infectious Diseases and Global Medicine, Zuckerberg San Francisco General Hospital and Trauma Center, University of California San Francisco, San Francisco, CA, United States.; CIDRZ; Centre for Infectious Disease Research in Zambia (CIDRZ)
BACKGROUND: In high-burden settings, most tuberculosis (TB) transmission likely occurs outside the home. Our qualitative study in Zambia explored the acceptability and preferences for designing TB active case finding (ACF) strategies to reach non-household contacts of people with TB. METHODS: We conducted 56 in-depth interviews with persons with TB ( RESULTS: All participants felt that TB was an important issue in their community and that new detection strategies were needed. A "social-network strategy" was perceived as acceptable and feasible, where participants noted it was a caring act and could facilitate early diagnosis. For a "venue-based strategy," most participants suspected TB transmission occurred at bars/taverns due to heavy alcohol use and prolonged time spent in crowded spaces; churches and betting halls were also commonly mentioned locations. Nearly all owners/leaders and patrons/attendees of bars, churches, and betting halls expressed acceptance of a venue-based strategy. They also indicated an interest in participating, citing many benefits, including increased TB knowledge/awareness, early diagnosis, convenience, and possibly reduced transmission, and recommended that the strategy incorporate sensitization, consent, volunteerism, and respectful, confidential, private services. For both strategies, most participants preferred the use of and being approached by trained peer TB survivors to facilitate ACF, given their prior TB patient experience and trust among community members. CONCLUSION: Stakeholders found social-network and venue-based TB-ACF strategies highly acceptable, recognizing their potential benefits for individuals and the broader community. Future research should evaluate the feasibility and effectiveness of TB ACF strategies for reaching non-household contacts.
Diagnosed with TB in the era of COVID-19: patient perspectives in Zambia.
(2020-Dec-21) Mwamba C; Kerkhoff AD; Kagujje M; Lungu P; Muyoyeta M; Sharma A; Department of Internal Medicine, University Teaching Hospital, Lusaka, Zambia.; Centre for Infectious Disease Research in Zambia, Lusaka, Zambia.; Division of HIV, Infectious Diseases and Global Medicine, Zuckerberg San Francisco General Hospital and Trauma Center, University of California, San Francisco, San Francisco, CA, USA.; National Tuberculosis and Leprosy Control Programme, Lusaka.; CIDRZ; Centre for Infectious Disease Research in Zambia (CIDRZ)
INTRODUCTION: Delayed TB diagnosis and treatment perpetuate the high burden of TB-related morbidity and mortality in resource-constrained settings. We explored the potential of COVID-19 to further compromise TB care engagement in Zambia. METHODS: From April to May 2020, we purposefully selected 17 adults newly diagnosed with TB from three public health facilities in Lusaka, Zambia, for in-depth phone interviews. We conducted thematic analyses using a hybrid approach. RESULTS: The majority of participants were highly concerned about the impact of lockdowns on their financial security. Most were not worried about being diagnosed with COVID-19 when seeking care for their illness because they felt unwell prior to the outbreak; however, they were very worried about contracting COVID-19 during clinic visits. COVID-19 was perceived as a greater threat than TB as it is highly transmittable and there is no treatment for it, which provoked fear of social isolation and of death among participants in case they contracted it. Nonetheless, participants reported willingness to continue with TB medication and the clinic visits required to improve their health. CONCLUSION: The COVID-19 pandemic did not appear to deter care-seeking for TB by patients. However, messaging on TB in the era of COVID-19 must encourage timely care-seeking by informing people of infection control measures taken at health facilities.
Differentiated Care Preferences of Stable Patients on Antiretroviral Therapy in Zambia: A Discrete Choice Experiment.
(2019-Aug-15) Eshun-Wilson I; Mukumbwa-Mwenechanya M; Kim HY; Zannolini A; Mwamba CP; Dowdy D; Kalunkumya E; Lumpa M; Beres LK; Roy M; Sharma A; Topp SM; Glidden DV; Padian N; Ehrenkranz P; Sikazwe I; Holmes CB; Bolton-Moore C; Geng EH; United Kingdom Department for International Development, Dar Es Salaam office, Tanzania.; University of California, San Francisco, San Francisco, CA.; University of California, Berkeley, Berkeley, CA.; Bill and Melinda Gates Foundation, Seattle, WA.; Georgetown University, Washington, DC.; Johns Hopkins University, Baltimore, MD.; James Cook University, Townsville, Australia.; Africa Health Research Institute, Durban, South Africa.; Centre for Infectious Disease Research in Zambia, Lusaka, Zambia.; University of Alabama at Birmingham, Birmingham, AL.; CIDRZ; Centre for Infectious Disease Research in Zambia (CIDRZ)
BACKGROUND: Although differentiated service delivery (DSD) models for stable patients on antiretroviral therapy (ART) offer a range of health systems innovations, their comparative desirability to patients remains unknown. We conducted a discrete choice experiment to quantify service attributes most desired by patients to inform model prioritization. METHODS: Between July and December 2016, a sample of HIV-positive adults on ART at 12 clinics in Zambia were asked to choose between 2 hypothetical facilities that differed across 6 DSD attributes. We used mixed logit models to explore preferences, heterogeneity, and trade-offs. RESULTS: Of 486 respondents, 59% were female and 85% resided in urban locations. Patients strongly preferred infrequent clinic visits [3- vs. 1-month visits: β (ie, relative utility) = 2.84; P < 0.001]. Milder preferences were observed for waiting time for ART pick-up (1 vs. 6 hours.; β = -0.67; P < 0.001) or provider (1 vs. 3 hours.; β = -0.41; P = 0.002); "buddy" ART collection (β = 0.84; P < 0.001); and ART pick-up location (clinic vs. community: β = 0.35; P = 0.028). Urban patients demonstrated a preference for collecting ART at a clinic (β = 1.32, P < 0.001), and although most rural patients preferred community ART pick-up (β = -0.74, P = 0.049), 40% of rural patients still preferred facility ART collection. CONCLUSIONS: Stable patients on ART primarily want to attend clinic infrequently, supporting a focus in Zambia on optimizing multimonth prescribing over other DSD features-particularly in urban areas. Substantial preference heterogeneity highlights the need for DSD models to be flexible, and accommodate both setting features and patient choice in their design.
Drivers of uptake of HIV testing services, a snapshot of barriers and facilitators among adolescent boys and young men in Lusaka: a qualitative study.
(2023-Sep-11) Nyirenda HC; Foloko M; Bolton-Moore C; Vera J; Sharma A; Infectious Disease, University of Alabama at Birmingham, Alabama, Alabama, USA.; Center for Infectious Disease Research in Zambia, Lusaka, Zambia.; Research, Center for Infectious Disease Research in Zambia, Lusaka, Zambia Herbert.Nyirenda@cidrz.org.; Sussex Institute, Brighton, Brighton and Hove, UK.; CIDRZ; Centre for Infectious Disease Research in Zambia (CIDRZ)
BACKGROUND: Striking gender and rural-urban disparities highlight the need to redesign HIV services to improve HIV testing and linkage by adolescent boys and young men (ABYM) in sub-Saharan African cities. PURPOSE: We sought to understand drivers of HIV testing among ABYM living in urban Lusaka in order to design a targeted intervention that may increase their entry into the HIV prevention and treatment cascade. METHODS: In May and June 2019, two male moderators conducted three focus group discussions lasting 1.25 hours with seven to nine ABYM per group and six in-depth interviews with healthcare providers (HCPs) working with adolescents. ABYM were conveniently selected from first aid training, sports and youth-friendly sites in three settlement areas. We purposefully selected HCP from community, facility and district levels. Thematic analyses using inductive reasoning were applied. RESULTS: The 24 ABYM were 18-24 years old (median 21 years), single, from 11 different neighbourhoods and 79% had 9-12 years of education. Facilitators of HIV testing uptake included the importance ABYM placed on good health and planning their future in order to fulfil their masculine identity and societal roles. Barriers included peer norms, life-long treatment along with anticipated changes to sexual life and alcohol use, fear of results and judgement and disappointment among HCP. HCPs agreed that masculine roles ('many things to do') and arduous clinical processes deterred ABYM from accessing testing services. They suggested that ABYM were prone to depression which both caused and resulted from behavioural issues such as alcohol use and risk-taking, which prevented uptake of HIV testing services. Both parties agreed that ABYM needed services specifically designed for them and that offered convenient, private, swift and non-judgemental services. CONCLUSIONS: ABYM disillusioned by standard counselling procedures, systemic barriers and stigma, avoid HIV test and treat services. Innovative ways and youth-specific spaces are needed to increase access to non-judgemental services that facilitate entry into the HIV prevention and treatment cascade in this population.
Effect of a multicomponent, person-centred care intervention on client experience and HIV treatment outcomes in Zambia: a stepped-wedge, cluster-randomised trial.
(2025-Jan) Sikombe K; Mody A; Goss CW; Simbeza S; Beres LK; Pry JM; Eshun-Wilson I; Sharma A; Mukamba N; Mulenga LB; Rice B; Mutale J; Zulu Dube A; Mulabe M; Hargreaves J; Bolton Moore C; Holmes CB; Sikazwe I; Geng EH; Johnson & Johnson, Cape Town, South Africa.; Department of Medicine, Georgetown University, Washington, DC, USA.; Implementation Science Unit, Centre for Infectious Disease Research in Zambia, Lusaka, Zambia; Department of Public Health Sciences, School of Medicine, University of California, Davis, CA, USA.; Zambian Ministry of Health, Lusaka, Zambia.; Implementation Science Unit, Centre for Infectious Disease Research in Zambia, Lusaka, Zambia; Department of Public Health Environments and Society, Faculty of Public Health and Policy, London School of Hygiene & Tropical Medicine, London, UK. Electronic address: kombatende.sikombe@cidrz.org.; Division of Infectious Diseases, Washington University School of Medicine, St Louis, MO, USA.; Implementation Science Unit, Centre for Infectious Disease Research in Zambia, Lusaka, Zambia; Division of Infectious Diseases, University of Alabama, Birmingham, AL, USA.; Department of Public Health Environments and Society, Faculty of Public Health and Policy, London School of Hygiene & Tropical Medicine, London, UK; Sheffield Centre for Health and Related Research (SCHARR), School of Medicine and Population Health, University of Sheffield, Sheffield, UK.; Department of Public Health Environments and Society, Faculty of Public Health and Policy, London School of Hygiene & Tropical Medicine, London, UK.; Department of International Health, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA.; Implementation Science Unit, Centre for Infectious Disease Research in Zambia, Lusaka, Zambia.; CIDRZ; Centre for Infectious Disease Research in Zambia (CIDRZ)
BACKGROUND: Recipients of health services value not only convenience but also respectful, kind, and helpful providers. To date, research to improve person-centred HIV treatment has focused on making services easier to access (eg, differentiated service delivery) rather than the interpersonal experience of care. We developed and evaluated a person-centred care (PCC) intervention targeting practices of health-care workers. METHODS: Using a stepped-wedge, cluster-randomised design, we randomly allocated 24 HIV clinics stratified by size in Zambia into four groups and introduced a PCC intervention that targeted caring aspects of the behaviour of health-care workers in one group every 6 months. The intervention entailed training and coaching for health-care workers on PCC practices (to capacitate), client experience assessment with feedback to facilities (to create opportunities), and small performance-based incentives (to motivate). In a probability sample of clients who were pre-trained on a client experience exit survey and masked to facility intervention status, we evaluated effects on client experience by use of mean score change and also proportion with poor encounters (ie, score of ≤8 on a 12-point survey instrument). We examined effects on missed visits (ie, >30 days late for next scheduled encounter) in all groups and retention in care at 15 months in group 1 and group 4 by use of electronic health records. We assessed effects on treatment success at 15 months (ie, HIV RNA concentration <400 copies per mL or adjudicated care status) in a prospectively enrolled subset of clients from group 1 and group 4. We estimated treatment effects with mixed-effects logistic regression, adjusting for sex, age, and baseline care status. This trial is registered at the Pan-African Clinical Trials Registry (202101847907585), and is completed. FINDINGS: Between Aug 12, 2019, and Nov 30, 2021, 177 543 unique clients living with HIV made at least one visit to one of the 24 study clinics. The PCC intervention reduced the proportion of poor visits based on exit surveys from 147 (23·3%) of 632 during control periods to 33 (13·3%) of 249 during the first 6 months of intervention, and then to eight (3·5%) of 230 at 6 months or later (adjusted risk difference [aRD] for control vs ≥6 months intervention -16·9 percentage points, 95% CI -24·8 to -8·9). Among all adult scheduled appointments, the PCC intervention reduced the proportion of missed visits from 90 593 (25·3%) of 358 741 during control periods to 40 380 (22·6%) of 178 523 in the first 6 months, and then 52 288 (21·5%) of 243 350 at 6 months or later (aRD for control vs the intervention -4·2 percentage points, 95% CI -4·8 to -3·7). 15-month retention improved from 33 668 (80·2%) of 41 998 in control to 35 959 (83·6%) of 43 005 during intervention (aRD 5·9 percentage points, 95% CI 0·6 to 11·2), with larger effects in clients newly starting treatment (aRD 12·7 percentage points, 1·4 to 23·9). We found no effect on treatment success (based on viral load) in a nested subcohort (379 [83·7%] of 453 in the control phase vs 402 [83·8%] of 480 in the intervention phase; aRD 0·9 percentage points, -5·4 to 7·2). INTERPRETATION: Improving the caring aspects of health-care worker behaviour is feasible in public health settings, enhances client experience, reduces missed appointments, and increases retention. FUNDING: The Bill & Melinda Gates Foundation.
Efficacy of the Common Elements Treatment Approach (CETA) for Unhealthy Alcohol Use Among Adults with HIV in Zambia: Results from a Pilot Randomized Controlled Trial.
(2022-Feb) Kane JC; Sharma A; Murray LK; Chander G; Kanguya T; Skavenski S; Chitambi C; Lasater ME; Paul R; Cropsey K; Inoue S; Bosomprah S; Danielson CK; Chipungu J; Simenda F; Vinikoor MJ; Department of Epidemiology, Columbia University Mailman School of Public Health, 722 W. 168th Street, Room 519, New York, NY, 10032, USA.; School of Medicine, University of Zambia, University Teaching Hospital, Lusaka, Zambia.; University of Alabama at Birmingham School of Medicine, Birmingham, AL, USA.; Zambia Ministry of Health, Lusaka, Zambia.; Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA.; Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA. jk4397@cumc.columbia.edu.; Johns Hopkins University School of Medicine, Baltimore, MD, USA.; Department of Epidemiology, Columbia University Mailman School of Public Health, 722 W. 168th Street, Room 519, New York, NY, 10032, USA. jk4397@cumc.columbia.edu.; Centre for Infectious Disease Research in Zambia, Lusaka, Zambia.; Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, SC, USA.; CIDRZ; Centre for Infectious Disease Research in Zambia (CIDRZ)
This randomized controlled trial tested the efficacy of a multi-session, evidence-based, lay counselor-delivered transdiagnostic therapy, the Common Elements Treatment Approach (CETA), in reducing unhealthy alcohol use and comorbidities among persons living with HIV (PLWH) in Zambia. Adult PLWH with (a) unhealthy alcohol use plus mental health or substance use comorbidities, or (b) severe unhealthy alcohol use were randomized to receive a single-session alcohol brief intervention (BI) alone or BI plus referral to CETA. Outcomes were measured at baseline and a 6-month follow-up and included Alcohol Use Disorders Identification Test (AUDIT) score (primary), depression and trauma symptoms, and other substance use (secondary). We enrolled 160 participants; 78 were randomized to BI alone and 82 to BI plus CETA. Due to COVID-19, the trial ended early before 36 participants completed. Statistically and clinically significant reductions in mean AUDIT score from baseline to 6-month follow-up were observed in both groups, however, participants assigned to BI plus CETA had significantly greater reductions compared to BI alone (- 3.2, 95% CI - 6.2 to - 0.1; Cohen's d: 0.48). The CETA effect size for AUDIT score increased in line with increasing mental health/substance use comorbidity (0 comorbidities d = 0.25; 1-2 comorbidities d = 0.36; 3+ comorbidities d = 1.6). Significant CETA treatment effects were observed for depression, trauma, and several other substances. BI plus referral to CETA was feasible and superior to BI alone for unhealthy alcohol use among adults with HIV, particularly among those with comorbidities. Findings support future effectiveness testing of CETA for HIV outcomes among PLWH with unhealthy alcohol use.Clinical Trials Number: NCT03966885.
Engagement of ethics and regulatory authorities on human infection studies: Proceedings of an engagement workshop in Zambia.
(2021) Kunda-Ng'andu EM; Simuyandi M; Kapulu M; Chirwa-Chobe M; Mwanyungwi-Chinganya H; Mwale S; Chilengi R; Sharma A; Nuffield Department of Medicine, Centre for Tropical Medicine and Global Health, University of Oxford, Oxford, UK.; Research Department, The centre for Infectious Disease Research in Zambia, Lusaka, Zambia, 10101, Zambia.; Biosciences, KEMRI-Wellcome trust research Programme, Kilifi, Kenya.; CIDRZ; Centre for Infectious Disease Research in Zambia (CIDRZ)
Human infection studies (HIS) have generally been used as a tool in the pathway for vaccine development in high income settings. Over the last decade, this model has been implemented in LMICs with the aim of accelerating development of next generation vaccines that would perform better in these settings. However, in most LMICs, the ethics and regulatory framework for the conduct of these studies are not in place. In Zambia, these studies are yet to be conducted and thus we conducted a stakeholder engagement workshop in October 2019. We engaged with bioethicists, regulatory authority officials, and scientists from within Zambia and other African countries to anticipate and address foreseeable ethical and regulatory issues when conducting HIS in Zambia for the first time. The workshop largely focused on sensitizing the stakeholders on the benefits of these studies with the following main points for consideration on the implementation of these studies in Zambia: need for in-country legal framework and guidelines; need for adequate informed consent based on comprehensive understanding of the concept of HIS and study requirements; and requirements for heightened vigilance to assure participant safety including good ethical and clinical practice with regulatory, ethical, data safety, and community oversight. Additionally, the workshop emphasized the need for rigorous health screening prior to enrolment; suitable infrastructure for containment; and personnel to provide appropriate treatment including emergency resuscitation and evacuation if indicated. Specific recommendations included compensation for burden of participation; access to care and provision for study related injury (e.g. no-fault insurance); and withdrawal and exit procedures to preserve individual and community safety. Finally, the meeting concluded that researchers should actively engage key gate keepers including civic leaders such as parliamentarians, universities, researchers, potential participants and laypersons to avoid circulation of misinformation.
Evaluating the costs of cholera illness and cost-effectiveness of a single dose oral vaccination campaign in Lusaka, Zambia.
(2019) Tembo T; Simuyandi M; Chiyenu K; Sharma A; Chilyabanyama ON; Mbwili-Muleya C; Mazaba ML; Chilengi R; Lusaka District Health Office/ Ministry of Health, Lusaka, Zambia.; Centre for Infectious Disease Research in Zambia, Lusaka, Zambia.; Zambia National Public Health Institute, Lusaka, Zambia.; CIDRZ; Centre for Infectious Disease Research in Zambia (CIDRZ)
INTRODUCTION: In 2016, for the very first time, the Ministry of Health in Zambia implemented a reactive outbreak response to control the spread of cholera and vaccinated at-risk populations with a single dose of Shancol-an oral cholera vaccine (OCV). This study aimed to assess the costs of cholera illness and determine the cost-effectiveness of the 2016 vaccination campaign. METHODOLOGY: From April to June 2017, we conducted a retrospective cost and cost-effectiveness analysis in three peri-urban areas of Lusaka. To estimate costs of illness from a household perspective, a systematic random sample of 189 in-patients confirmed with V. cholera were identified from Cholera Treatment Centre registers and interviewed for out-of-pocket costs. Vaccine delivery and health systems costs were extracted from financial records at the District Health Office and health facilities. The cost of cholera treatment was derived by multiplying the subsidized cost of drugs by the quantity administered to patients during hospitalisation. The cost-effectiveness analysis measured incremental cost-effectiveness ratio-cost per case averted, cost per life saved and cost per DALY averted-for a single dose OCV. RESULTS: The mean cost per administered vaccine was US$1.72. Treatment costs per hospitalized episode were US$14.49-US$18.03 for patients ≤15 years old and US$17.66-US$35.16 for older patients. Whereas households incurred costs on non-medical items such as communication, beverages, food and transport during illness, a large proportion of medical costs were borne by the health system. Assuming vaccine effectiveness of 88.9% and 63%, a life expectancy of 62 years and Gross Domestic Product (GDP) per capita of US$1,500, the costs per case averted were estimated US$369-US$532. Costs per life year saved ranged from US$18,515-US$27,976. The total cost per DALY averted was estimated between US$698-US$1,006 for patients ≤15 years old and US$666-US$1,000 for older patients. CONCLUSION: Our study determined that reactive vaccination campaign with a single dose of Shancol for cholera control in densely populated areas of Lusaka was cost-effective.
Evaluation of a health system strengthening initiative in the Zambian prison system.
(2018) Topp SM; Sharma A; Moonga CN; Chileshe C; Magwende G; Henostroza G; Nossal Institute for Global Health, University of Melbourne, Melbourne, Victoria, Australia.; School of Medicine, University of Alabama, Tuscaloosa, Alabama, USA.; Zambia Correctional Service, Lusaka, Zambia.; College of Public Health, Medical and Veterinary Sciences, James Cook University, Townsville, Queensland, Australia.; Centre for Infectious Disease Research in Zambia, Lusaka, Zambia.; CIDRZ; Centre for Infectious Disease Research in Zambia (CIDRZ)
INTRODUCTION: In 2013, the Zambian Correctional Service (ZCS) partnered with the Centre for Infectious Disease Research in Zambia on the Zambian Prisons Health System Strengthening project, seeking to tackle structural, organisational and cultural weaknesses within the prison health system. We present findings from a nested evaluation of the project impact on high, mid-level and facility-level health governance and health service arrangements in the Zambian Correctional Service. METHODS: Mixed methods were used, including document review, indepth interviews with ministry (11) and prison facility (6) officials, focus group discussions (12) with male and female inmates in six of the eleven intervention prisons, and participant observation during project workshops and meetings. Ethical clearance and verbal informed consent were obtained for all activities. Analysis incorporated deductive and iterative inductive coding. CONCLUSION: While not a panacea, findings demonstrate that a 'systems' approach to seemingly intractable prison health system problems yielded a number of short-term tactical and long-term strategic improvements in the Zambian setting. Context-sensitive application of such an approach to other settings may yield positive outcomes.
Evaluation of kidney function among people living with HIV initiating antiretroviral therapy in Zambia.
(2022) Pry JM; Vinikoor MJ; Bolton Moore C; Roy M; Mody A; Sikazwe I; Sharma A; Chihota B; Duran-Frigola M; Daultrey H; Mutale J; Kerkhoff AD; Geng EH; Pollock BH; Vera JH; School of Medicine, University of California, Davis, California, United States of America.; School of Medicine University of Alabama, Birmingham, Alabama, United States of America.; Ersilia Open Source Initiative, Cambridge, United Kingdom.; School of Medicine, Washington University, St. Louis, Missouri, United States of America.; School of Medicine, University of California, San Francisco, California, United States of America.; Centre for Infectious Disease Research Zambia (CIDRZ), Lusaka, Zambia.; Department of Global Health and Infection, Brighton and Sussex Medical School, University of Sussex, Brighton, United Kingdom.
As the response to the HIV epidemic in sub-Saharan Africa continues to mature, a growing number of people living with HIV (PLHIV) are aging and risk for non-communicable diseases increases. Routine laboratory tests of serum creatinine have been conducted to assess HIV treatment (ART) suitability. Here we utilize those measures to assess kidney function impairment among those initiating ART. Identification of non-communicable disease (NCD) risks among those in HIV care creates opportunity to improve public health through care referral and/or NCD/HIV care integration. We estimated glomerular filtration rates (eGFR) using routinely collected serum creatinine measures among a cohort of PLHIV with an HIV care visit at one of 113 Centre for Infectious Disease Research Zambia (CIDRZ) supported sites between January 1, 2011 and December 31, 2017, across seven of the ten provinces in Zambia. We used mixed-effect Poisson regression to assess predictors of eGFR <60ml/min/1.73m2 allowing random effects at the individual and facility level. Additionally, we assessed agreement between four eGFR formulae with unadjusted CKD-EPI as a standard using Scott/Fleiss method across five categories of kidney function. A total of 72,933 observations among 68,534 individuals met the inclusion criteria for analysis. Of the 68,534, the majority were female 41,042 (59.8%), the median age was 34 (interquartile range [IQR]: 28-40), and median CD4 cell count was 292 (IQR: 162-435). The proportion of individuals with an eGFR <60ml/min/1.73m2 was 6.9% (95% CI: 6.7-7.1%) according to the unadjusted CKD-EPI equation. There was variation in agreement across eGFR formulas considered compared to unadjusted CKD-EPI (χ2 p-value <0.001). Estimated GFR less than 60ml/min/1.73m2, per the unadjusted CKD-EPI equation, was significantly associated with age, sex, body mass index, and blood pressure. Using routine serum creatinine measures, we identified a significant proportion of individuals with eGFR indicating moderate or great kidney function impairment among PLHIV initiating ART in Zambia. It is possible that differentiated service delivery models could be developed to address this subset of those in HIV care with increased risk of chronic kidney disease.