Bernard Ngara, PhD, MSc

Title(s)Postdoctoral Scholar, Bioengineering
SchoolSchool of Pharmacy
Address1700 4th Street, #301C
San Francisco CA 94158
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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help. to make corrections and additions.
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    Altmetrics Details PMC Citations indicate the number of times the publication was cited by articles in PubMed Central, and the Altmetric score represents citations in news articles and social media. (Note that publications are often cited in additional ways that are not shown here.) Fields are based on how the National Library of Medicine (NLM) classifies the publication's journal and might not represent the specific topic of the publication. Translation tags are based on the publication type and the MeSH terms NLM assigns to the publication. Some publications (especially newer ones and publications not in PubMed) might not yet be assigned Field or Translation tags.) Click a Field or Translation tag to filter the publications.
    1. Prevalence and factors associated with uptake of pre-exposure prophylaxis amongst women vulnerable to HIV who received HIV antibodies in Antibody Mediated Prevention HVTN703/HPTN081 trial in Harare, Zimbabwe: a cross-sectional study. BMJ Public Health. 2024 Jul; 2(1). Siziba B, Mgodi NM, Ngara B, Chawana TD, Chitukuta M, Mukwekwerere PG, Bhondai-Mhuri M, Chirenje ZM, Mhlanga FGS. PMID: 39149557; PMCID: PMC11326454.
      View in: PubMed   Mentions:
    2. Non-booking for antenatal care and risks for vertical HIV transmission among women in Chitungwiza, Zimbabwe: a cross-sectional study. BMC Pregnancy Childbirth. 2022 Nov 05; 22(1):817. Mandima P, Schaay N, Ngara B, Lembani M. PMID: 36335299; PMCID: PMC9636641.
      View in: PubMed   Mentions:    Fields:    Translation:HumansPHPublic Health
    3. Impact of Motivational Enhanced Adherence Counseling and Point-of-Care Viral Load Monitoring on Viral Load Outcome in Women on Life-Long ART: A Randomized Pilot Study. AIDS Res Treat. 2022; 2022:4887202. Mutambanengwe-Jacob MT, Maponga CC, Amico KR, Ngara B, Yende-Zuma N, Chawana TD, Nematadzira T, Gumbo JF, Goverayi T, Matibe P, Malunda BV, Aizire J, Taha TE, Fowler MG, Stranix-Chibanda L. PMID: 36105074; PMCID: PMC9467808.
      View in: PubMed   Mentions:
    4. Risk of mortality in HIV-infected COVID-19 patients: A systematic review and meta-analysis. J Infect Public Health. 2022 Jun; 15(6):654-661. Dzinamarira T, Murewanhema G, Chitungo I, Ngara B, Nkambule SJ, Madziva R, Herrera H, Mukwenha S, Cuadros DF, Iradukunda PG, Mashora M, Tungwarara N, Rwibasira GN, Musuka G. PMID: 35617829; PMCID: PMC9110010.
      View in: PubMed   Mentions: 15     Fields:    Translation:Humans
    5. Importation and distribution of unregistered medicines in the public sector: similarities, differences, and shared challenges among Southern African Development Community (SADC) countries. BMC Health Serv Res. 2022 Apr 28; 22(1):570. Nyika A, Ngara B, Mutingwende I, Gwaza L. PMID: 35484525; PMCID: PMC9047363.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    6. Risk Factors for COVID-19 Infection Among Healthcare Workers. A First Report From a Living Systematic Review and meta-Analysis. Saf Health Work. 2022 Sep; 13(3):263-268. Dzinamarira T, Nkambule SJ, Hlongwa M, Mhango M, Iradukunda PG, Chitungo I, Dzobo M, Mapingure MP, Chingombe I, Mashora M, Madziva R, Herrera H, Makanda P, Atwine J, Mbunge E, Musuka G, Murewanhema G, Ngara B. PMID: 35433073; PMCID: PMC9004144.
      View in: PubMed   Mentions: 32  
    7. COVID-19 Prevalence among Healthcare Workers. A Systematic Review and Meta-Analysis. Int J Environ Res Public Health. 2021 Dec 23; 19(1). Dzinamarira T, Murewanhema G, Mhango M, Iradukunda PG, Chitungo I, Mashora M, Makanda P, Atwine J, Chimene M, Mbunge E, Mapingure MP, Chingombe I, Musuka G, Nkambule SJ, Ngara B. PMID: 35010412; PMCID: PMC8750782.
      View in: PubMed   Mentions: 28     Fields:    Translation:HumansCells
    8. Regulation of medicines advertisement in Zimbabwe: an assessment of the impact of pharmaceutical promotion on the prescribing behaviour of healthcare professionals. BMC Health Serv Res. 2021 Dec 14; 21(1):1337. Semu TC, Ngara B, Mudzviti T. PMID: 34903223; PMCID: PMC8670253.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    9. Brief Report: Ritonavir Concentrations in Hair Predict Virologic Outcomes in HIV-Infected Adolescents With Virologic Failure on Atazanavir-Based or Ritonavir-Based Second-Line Treatment. J Acquir Immune Defic Syndr. 2021 10 01; 88(2):181-185. Chawana TD, Nhachi CFB, Nathoo K, Ngara B, Okochi H, Louie A, Kuncze K, Katzenstein D, Metcalfe J, Gandhi M, Adolescent Treatment Failure (ATF) Study Team. PMID: 34117162; PMCID: PMC8434943.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    10. Pharmacokinetic-pharmacodynamic modelling of atazanavir in hair among adolescents on antiretroviral treatment in Zimbabwe. BMC Pharmacol Toxicol. 2021 05 24; 22(1):29. Ngara B, Zvada S, Chawana TD, Nhachi CFB, Rusakaniko S. PMID: 34030726; PMCID: PMC8147021.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    11. Risk factors for COVID-19 among healthcare workers. A protocol for a systematic review and meta-analysis. PLoS One. 2021; 16(5):e0250958. Dzinamarira T, Mhango M, Dzobo M, Ngara B, Chitungo I, Makanda P, Atwine J, Nkambule SJ, Musuka G. PMID: 33945546; PMCID: PMC8096084.
      View in: PubMed   Mentions: 12     Fields:    Translation:HumansCellsPHPublic Health
    12. Short Communication: Higher Tenofovir Concentrations in Hair Are Associated with Decreases in Viral Load and Not Self-Reported Adherence in HIV-Infected Adolescents with Second-Line Virological Treatment Failure. AIDS Res Hum Retroviruses. 2021 10; 37(10):748-750. Chawana T, Nhachi C, Nathoo K, Ngara B, Okochi H, Louie A, Kuncze K, Katzenstein D, Metcalfe J, Gandhi M. PMID: 33499754; PMCID: PMC8573801.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    13. A population pharmacokinetic model is beneficial in quantifying hair concentrations of ritonavir-boosted atazanavir: a study of HIV-infected Zimbabwean adolescents. BMC Pharmacol Toxicol. 2020 08 03; 21(1):58. Ngara B, Zvada S, Chawana TD, Stray-Pedersen B, Nhachi CFB, Rusakaniko S. PMID: 32746923; PMCID: PMC7398395.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    14. Perspectives on oral pre-exposure prophylaxis use amongst female sex workers in Harare, Zimbabwe. South Afr J HIV Med. 2020; 21(1):1039. Mudzviti T, Dhliwayo A, Chingombe B, Ngara B, Monera-Penduka TG, Maponga CC, Morse GD. PMID: 32158559; PMCID: PMC7059237.
      View in: PubMed   Mentions: 3  
    15. Defining a Cutoff for Atazanavir in Hair Samples Associated With Virological Failure Among Adolescents Failing Second-Line Antiretroviral Treatment. J Acquir Immune Defic Syndr. 2017 09 01; 76(1):55-59. Chawana TD, Gandhi M, Nathoo K, Ngara B, Louie A, Horng H, Katzenstein D, Metcalfe J, Nhachi CFB, Adolescent Treatment Failure (ATF) study team. PMID: 28520618; PMCID: PMC5552420.
      View in: PubMed   Mentions: 13     Fields:    Translation:Humans
    16. Genotypic diversity of anogenital human papillomavirus in women attending cervical cancer screening in Harare, Zimbabwe. J Med Virol. 2017 09; 89(9):1671-1677. Dube Mandishora RS, Christiansen IK, Chin'ombe N, Duri K, Ngara B, Rounge TB, Meisal R, Ambur OH, Palefsky JM, Stray-Pedersen B, Chirenje ZM. PMID: 28390142.
      View in: PubMed   Mentions: 11     Fields:    Translation:HumansCells
    17. Evaluating an enhanced adherence intervention among HIV positive adolescents failing atazanavir/ritonavir-based second line antiretroviral treatment at a public health clinic. J AIDS HIV Res. 2017 Jan; 9(1):17-30. Chawana TD, Katzenstein D, Nathoo K, Ngara B, Nhachi CFB. PMID: 31649827; PMCID: PMC6812532.
      View in: PubMed   Mentions: 5  
    18. HIV-1 Disease Progression and Survival in an Adult Population in Zimbabwe: Is There an Effect of the Mannose Binding Lectin Deficiency? OMICS. 2015 Sep; 19(9):542-52. Zinyama-Gutsire RB, Chasela C, Kallestrup P, Rusakaniko S, Christiansen M, Ngara B, Gomo E, Ullum H, Erikstrup C, Madsen HO, Stray-Pedersen B, Garred P, Mduluza T. PMID: 26348711; PMCID: PMC4575510.
      View in: PubMed   Mentions: 2     Fields:    Translation:HumansCells
    19. CYP2B6*6, CYP2B6*18, Body weight and sex are predictors of efavirenz pharmacokinetics and treatment response: population pharmacokinetic modeling in an HIV/AIDS and TB cohort in Zimbabwe. BMC Pharmacol Toxicol. 2015 Mar 27; 16:4. Dhoro M, Zvada S, Ngara B, Nhachi C, Kadzirange G, Chonzi P, Masimirembwa C. PMID: 25889207; PMCID: PMC4405819.
      View in: PubMed   Mentions: 35     Fields:    Translation:Humans
    20. Genetic variants of drug metabolizing enzymes and drug transporter (ABCB1) as possible biomarkers for adverse drug reactions in an HIV/AIDS cohort in Zimbabwe. Curr HIV Res. 2013 Sep; 11(6):481-90. Dhoro M, Ngara B, Kadzirange G, Nhachi C, Masimirembwa C. PMID: 24517233.
      View in: PubMed   Mentions: 7     Fields:    Translation:Humans
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