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P. Ondoa · SciRah

Researcher profile · Semantic Scholar

P. Ondoa

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P. Ondoa — researcher profile on SciRah

h-index: 24
Works: 67
Citations: 1,768

Most-cited papers

Africa Centres for Disease Control and Prevention’s framework for antimicrobial resistance control in Africa
J. Varma, John Oppong-Otoo, P. Ondoa, O. Perovic +9 more
2018African Journal of Laboratory Medicine179 citations Open access
Semantic Scholar
Population-Based Biochemistry, Immunologic and Hematological Reference Values for Adolescents and Young Adults in a Rural Population in Western Kenya
C. Zeh, Pauli N. Amornkul, S. Inzaule, P. Ondoa +10 more
2011PLoS ONE105 citations Open access
Semantic Scholar
Accumulation of HIV-1 drug resistance after continued virological failure on first-line ART in adults and children in sub-Saharan Africa.
T. S. Boender, Cissy M. Kityo, R. Boerma, R. Hamers +11 more
2016Journal of Antimicrobial Chemotherapy100 citations Open access
Semantic Scholar
COVID-19 testing in Africa: lessons learnt
P. Ondoa, Y. Kebede, M. M. Loembe, J. Bhiman +4 more
2020The Lancet Microbe73 citations Open access
Semantic Scholar
Pretreatment HIV drug resistance increases regimen switches in sub-Saharan Africa.
T. S. Boender, B. Hoenderboom, K. Sigaloff, R. Hamers +12 more
2015Clinical Infectious Diseases71 citations Open access
Semantic Scholar
Absolute CD4 T-Cell Counting in Resource-Poor Settings: Direct Volumetric Measurements Versus Bead-Based Clinical Flow Cytometry Instruments
T. Dieye, C. Vereecken, A. Diallo, P. Ondoa +5 more
2005Journal of Acquired Immune Deficiency Syndromes70 citations Open access
Semantic Scholar
Affordable HIV drug-resistance testing for monitoring of antiretroviral therapy in sub-Saharan Africa.
S. Inzaule, P. Ondoa, T. Peter, P. Mugyenyi +3 more
2016Lancet. Infectious Diseases (Print)66 citations
Semantic Scholar
High Seroprevalence of HBV and HCV Infection in HIV-Infected Adults in Kigali, Rwanda
J. Rusine, P. Ondoa, B. Asiimwe-Kateera, K. Boer +6 more
2013PLoS ONE66 citations Open access
Semantic Scholar
Clinically relevant thresholds for ultrasensitive HIV drug resistance testing: a multi-country nested case-control study.
S. Inzaule, R. Hamers, M. Noguera-Julián, Maria Casadellà +45 more
2018The Lancet HIV65 citations
Semantic Scholar
Suboptimal immune recovery during antiretroviral therapy with sustained HIV suppression in sub-Saharan Africa
Stefanie Kroeze, P. Ondoa, Cissy M. Kityo, M. Siwale +13 more
2018AIDS (London)60 citations Open access
Semantic Scholar
COVID-19 and indirect health implications in Africa: Impact, mitigation measures, and lessons learned for improved disease control
S. Inzaule, P. Ondoa, M. M. Loembe, Y. K. Tebeje +2 more
2021PLoS Medicine56 citations Open access
Semantic Scholar
Protease Inhibitor Resistance in the First 3 Years of Second-Line Antiretroviral Therapy for HIV-1 in Sub-Saharan Africa.
T. S. Boender, R. Hamers, P. Ondoa, M. Wellington +12 more
2016Journal of Infectious Diseases56 citations Open access
Semantic Scholar
The missed potential of CD4 and viral load testing to improve clinical outcomes for people living with HIV in lower-resource settings
P. Ehrenkranz, Solange Baptiste, H. Bygrave, T. Ellman +9 more
2019PLoS Medicine45 citations Open access
Semantic Scholar
Plasma Biomarkers of Human Immunodeficiency Virus–Related Systemic Inflammation and Immune Activation in Sub-Saharan Africa Before and During Suppressive Antiretroviral Therapy
Stefanie Kroeze, F. Wit, T. Rossouw, H. Steel +10 more
2019Journal of Infectious Diseases43 citations Open access
Semantic Scholar
High levels of pre-treatment HIV drug resistance and treatment failure in Nigerian children
R. Boerma, T. S. Boender, K. C. E. Sigaloff, Tobias F. Rinke de Wit +8 more
2016Journal of the International AIDS Society42 citations Open access
Semantic Scholar
Genetic variation of HIV type 1: relevance of interclade variation to vaccine development.
G. van der Groen, P. Nyambi, Els Beirnaert, D. Davis +5 more
1998AIDS Research and Human Retroviruses41 citations
Semantic Scholar
Low Primary and Secondary HIV Drug-Resistance after 12 Months of Antiretroviral Therapy in Human Immune-Deficiency Virus Type 1 (HIV-1)-Infected Individuals from Kigali, Rwanda
J. Rusine, B. Asiimwe-Kateera, J. van de Wijgert, K. Boer +6 more
2013PLoS ONE37 citations Open access
Semantic Scholar
Historical epidemiology of hepatitis C virus in select countries—volume 4
A. Maaroufi, A. Vince, S. Himatt, R. Mohamed +125 more
2017Journal of Viral Hepatitis36 citations Open access
Semantic Scholar
Assessment of CD8+ T cell immune activation markers to monitor response to antiretroviral therapy among HIV‐1 infected patients in Côte d’Ivoire
P. Ondoa, Stephania Koblavi-Deme, Marie-Yolande Borget, M. Nolan +2 more
2005Clinical and Experimental Immunology36 citations Open access
Semantic Scholar
Performance of a quantitative human immunodeficiency virus type 1 p24 antigen assay on various HIV-1 subtypes for the follow-up of human immunodeficiency type 1 seropositive individuals.
S. G. Ribas, P. Ondoa, J. Schüpbach, G. van der Groen +1 more
2003Journal of Virological Methods33 citations
Semantic Scholar
Preparing national tiered laboratory systems and networks to advance diagnostics in Africa and meet the continent’s health agenda: Insights into priority areas for improvement
P. Ondoa, Nqobile Ndlovu, M. Keita, M. Massinga-Loembe +6 more
2020African Journal of Laboratory Medicine32 citations Open access
Semantic Scholar
National laboratory policies and plans in sub-Saharan African countries: gaps and opportunities
P. Ondoa, Ankie van der Broek, C. Jansen, Hilde de Bruijn +1 more
2017African Journal of Laboratory Medicine30 citations Open access
Semantic Scholar
Viral load testing and the use of test results for clinical decision making for HIV treatment in Cameroon: An insight into the clinic-laboratory interface
George Awungafac, E. T. Amin, Akemfua Fualefac, N. Takah +4 more
2018PLoS ONE28 citations Open access
Semantic Scholar
The present and future disease burden of hepatitis C virus infections with today's treatment paradigm: Volume 4
H. Chan, C.-J. Chen, O. Omede, J. Al Qamish +125 more
2017Journal of Viral Hepatitis28 citations Open access
Semantic Scholar
Lack of correlation between V3‐loop peptide enzyme immunoassay serologic subtyping and genetic sequencing
J. Nkengasong, B. Willems, W. Janssens, R. Cheingsong-Popov +6 more
1998AIDS (London)28 citations Open access
Semantic Scholar
Surveillance of antimicrobial resistance in human health in Tanzania: 2016–2021
Neema Camara, N. Moremi, J. Mghamba, E. Eliakimu +3 more
2023African Journal of Laboratory Medicine26 citations Open access
Semantic Scholar
Strategies to manage hepatitis C virus infection disease burden—Volume 4
D.-S. Chen, W. Hamoudi, B. Mustapha, J. Layden +125 more
2017Journal of Viral Hepatitis25 citations Open access
Semantic Scholar
A pan-African pathogen genomics data sharing platform to support disease outbreaks
A. Christoffels, Gerald Mboowa, P. van Heusden, Sello Makhubela +18 more
2023Nature Medicine24 citations Open access
Semantic Scholar
Longitudinal comparison of virus load parameters and CD8 T‐cell suppressive capacity in two SIVcpz‐infected chimpanzees
P. Ondoa, L. Kestens, D. Davis, C. Vereecken +7 more
2001Journal of medical primatology23 citations
Semantic Scholar
Bringing Data Analytics to the Design of Optimized Diagnostic Networks in Low- and Middle-Income Countries: Process, Terms and Definitions
Kameko Nichols, S. Girdwood, A. Inglis, P. Ondoa +7 more
2020Diagnostics21 citations Open access
Semantic Scholar
Barriers to uptake of antenatal maternal screening tests in Senegal
W. Koster, P. Ondoa, A. Sarr, A. I. Sow +4 more
2016SSM: Population Health20 citations Open access
Semantic Scholar
Performance of six commercial enzyme immunoassays and two alternative HIV-testing algorithms for the diagnosis of HIV-1 infection in Kisumu, Western Kenya.
C. Zeh, Boaz Oyaro, H. Vandenhoudt, Pauli N. Amornkul +8 more
2011Journal of Virological Methods20 citations
Semantic Scholar
Examining 7 years of implementing quality management systems in medical laboratories in sub‐Saharan Africa
C. Odhiambo, Beatrice van der Puije, Michael Maina, T. Mekonen +6 more
2022Tropical medicine & international health19 citations Open access
Semantic Scholar
The relative contributions of HIV drug resistance, nonadherence and low-level viremia to viremic episodes on antiretroviral therapy in sub-Saharan Africa.
S. Inzaule, S. Bertagnolio, C. Kityo, M. Siwale +11 more
2020AIDS (London)19 citations Open access
Semantic Scholar
Lower Pre-Treatment T Cell Activation in Early- and Late-Onset Tuberculosis-Associated Immune Reconstitution Inflammatory Syndrome
O. Goovaerts, W. Jennes, M. Massinga-Loembe, P. Ondoa +6 more
2015PLoS ONE19 citations Open access
Semantic Scholar
In vitro susceptibility to infection with SIVcpz and HIV‐1 is lower in chimpanzee than in human peripheral blood mononuclear cells *
P. Ondoa, D. Davis, L. Kestens, C. Vereecken +4 more
2002Journal of Medical Virology19 citations
Semantic Scholar
Long-term HIV treatment outcomes and associated factors in sub-Saharan Africa: multicountry longitudinal cohort analysis
S. Inzaule, Stefanie Kroeze, C. Kityo, M. Siwale +13 more
2022AIDS (London)18 citations Open access
Semantic Scholar
Evaluation of HIV-1 p24 Antigenemia and Level of CD8+CD38+ T cells as Surrogate Markers of HIV-1 RNA Viral Load in HIV-1-Infected Patients in Dakar, Senegal
P. Ondoa, T. Dieye, C. Vereecken, M. Camara +5 more
2006Journal of Acquired Immune Deficiency Syndromes18 citations Open access
Semantic Scholar
A new matrix for scoring the functionality of national laboratory networks in Africa: introducing the LABNET scorecard
P. Ondoa, Tjeerd A M Datema, Mah-Sere Keita-Sow, J. Ndihokubwayo +4 more
2016African Journal of Laboratory Medicine15 citations Open access
Semantic Scholar
Molecular Epidemiology and Transmission Dynamics of Recent and Long-Term HIV-1 Infections in Rural Western Kenya
C. Zeh, S. Inzaule, P. Ondoa, Lillian Nafisa +6 more
2016PLoS ONE13 citations Open access
Semantic Scholar
Performance evaluation of the two protease sequencing primers of the Trugene HIV-1 genotyping kit.
S. G. Ribas, L. Heyndrickx, P. Ondoa, K. Fransen
2006Journal of Virological Methods13 citations
Semantic Scholar
Genetic variability of the V1 and V2 env domains of SIVcpz‐ant and neutralization pattern of plasma viruses in a chimpanzee infected naturally
P. Ondoa, D. Davis, B. Willems, L. Heyndrickx +6 more
2001Journal of Medical Virology13 citations
Semantic Scholar
Contexts for developing of national essential diagnostics list. Lessons from a mixed-methods study of existing documents, stakeholders and decision making on tier-specific essential in-vitro diagnostics in African countries
W. Koster, E. Mutegi, F. Ocen, C. Odhiambo +8 more
2023PLOS Global Public Health12 citations Open access
Semantic Scholar
Achieving a high cure rate with direct‐acting antivirals for chronic Hepatitis C virus infection in Cameroon: a multi‐clinic demonstration project
L. Coyer, O. Njoya, R. Njouom, T. Mossus +10 more
2020Tropical medicine & international health12 citations Open access
Semantic Scholar
Previous antiretroviral drug use compromises standard first-line HIV therapy and is mediated through drug-resistance
S. Inzaule, Cissy M. Kityo, M. Siwale, A. Akanmu +11 more
2018Scientific Reports11 citations Open access
Semantic Scholar
Human and simian immunodeficiency virus‐infected chimpanzees do not have increased intracellular levels of β‐chemokines in contrast to infected humans
P. Ondoa, C. Vereecken, K. Fransen, R. Colebunders +3 more
2003Journal of Medical Virology11 citations
Semantic Scholar
Molecular and Phylogeographic Analysis of Human Immuno-deficiency Virus Type 1 Strains Infecting Treatment-naive Patients from Kigali, Rwanda
J. Rusine, S. Jurriaans, J. van de Wijgert, M. Cornelissen +6 more
2012PLoS ONE10 citations Open access
Semantic Scholar
Clinical Evaluation of an Affordable Qualitative Viral Failure Assay for HIV Using Dried Blood Spots in Uganda
S. Balinda, P. Ondoa, E. Obuku, A. Kliphuis +7 more
2016PLoS ONE9 citations Open access
Semantic Scholar
Twelve-Month Antiretroviral Therapy Suppresses Plasma and Genital Viral Loads but Fails to Alter Genital Levels of Cytokines, in a Cohort of HIV-Infected Rwandan Women
P. Ondoa, Raju Gautam, J. Rusine, R. Lutter +4 more
2015PLoS ONE9 citations Open access
Semantic Scholar
Managing laboratory waste from HIV-related molecular testing: Lessons learned from African countries
C. Odhiambo, Anafi Mataka, G. Kassa, P. Ondoa
2021Journal of Hazardous Materials Letters8 citations Open access
Semantic Scholar

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