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A. Katana · SciRah

Researcher profile · Semantic Scholar

A. Katana

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A. Katana — researcher profile on SciRah

h-index: 19
Works: 49
Citations: 1,110

Most-cited papers

Intermittent screening and treatment or intermittent preventive treatment with dihydroartemisinin–piperaquine versus intermittent preventive treatment with sulfadoxine–pyrimethamine for the control of malaria during pregnancy in western Kenya: an open-label, three-group, randomised controlled superi
M. Desai, Julie R. Gutman, Anne L’lanziva, K. Otieno +8 more
2015The Lancet189 citations Open access
Semantic Scholar
Intermittent Preventive Treatment of Malaria in Pregnancy with Mefloquine in HIV-Infected Women Receiving Cotrimoxazole Prophylaxis: A Multicenter Randomized Placebo-Controlled Trial
R. González, M. Desai, E. Macete, P. Ouma +17 more
2014PLoS Medicine97 citations Open access
Semantic Scholar
Noncommunicable disease burden among HIV patients in care: a national retrospective longitudinal analysis of HIV-treatment outcomes in Kenya, 2003-2013
Dunstan Achwoka, Anthony K. Waruru, Tai-Ho Chen, Kenneth Masamaro +9 more
2019BMC Public Health83 citations Open access
Semantic Scholar
An Analysis of Pregnancy-Related Mortality in the KEMRI/CDC Health and Demographic Surveillance System in Western Kenya
M. Desai, P. Phillips-Howard, F. Odhiambo, A. Katana +8 more
2013PLoS ONE63 citations Open access
Semantic Scholar
Gaps in Adolescent Engagement in Antenatal Care and Prevention of Mother-to-Child HIV Transmission Services in Kenya
Keshet Ronen, Christine J. McGrath, Agnes Langat, J. Kinuthia +5 more
2017Journal of Acquired Immune Deficiency Syndromes59 citations Open access
Semantic Scholar
Mother-to-Child Transmission of HIV in Kenya: Results From a Nationally Representative Study
M. Sirengo, Lilly Muthoni, T. Kellogg, Andrea A. Kim +7 more
2014Journal of Acquired Immune Deficiency Syndromes48 citations Open access
Semantic Scholar
Rates and Predictors of Non-Adherence to Antiretroviral Therapy among HIV-Positive Individuals in Kenya: Results from the Second Kenya AIDS Indicator Survey, 2012
I. Mukui, L. Ng'ang'a, J. Williamson, J. Wamicwe +3 more
2016PLoS ONE45 citations Open access
Semantic Scholar
Disclosure and Clinical Outcomes Among Young Adolescents Living With HIV in Kenya
Bernadette Ngeno, Anthony K. Waruru, I. Inwani, L. Nganga +6 more
2018Journal of Adolescent Health34 citations Open access
Semantic Scholar
Comparison of Trends in Tuberculosis Incidence among Adults Living with HIV and Adults without HIV – Kenya, 1998–2012
C. Yuen, H. Weyenga, A. Kim, T. Mali̇ka +5 more
2014PLoS ONE34 citations Open access
Semantic Scholar
Prevalence and correlates of non-disclosure of maternal HIV status to male partners: a national survey in Kenya
J. Kinuthia, B. Singa, Christine J. McGrath, B. Odeny +5 more
2018BMC Public Health33 citations Open access
Semantic Scholar
Higher prevalence of stunting and poor growth outcomes in HIV-exposed uninfected than HIV-unexposed infants in Kenya
Jillian Neary, Agnes Langat, B. Singa, J. Kinuthia +6 more
2021AIDS (London)31 citations Open access
Semantic Scholar
Male partner antenatal clinic attendance is associated with increased uptake of maternal health services and infant BCG immunization: a national survey in Kenya
B. Odeny, Christine J. McGrath, Agnes Langat, J. Pintye +5 more
2019BMC Pregnancy and Childbirth29 citations Open access
Semantic Scholar
Electronic medical record systems are associated with appropriate placement of HIV patients on antiretroviral therapy in rural health facilities in Kenya: a retrospective pre-post study
T. Oluoch, A. Katana, V. Ssempijja, D. Kwaro +5 more
2014J. Am. Medical Informatics Assoc.29 citations Open access
Semantic Scholar
Better adherence to pre-antiretroviral therapy guidelines after implementing an electronic medical record system in rural Kenyan HIV clinics: a multicenter pre–post study
T. Oluoch, D. Kwaro, V. Ssempijja, A. Katana +4 more
2014International Journal of Infectious Diseases28 citations Open access
Semantic Scholar
Non-disclosure to male partners and incomplete PMTCT regimens associated with higher risk of mother-to-child HIV transmission: a national survey in Kenya
Christine J. McGrath, B. Singa, Agnes Langat, J. Kinuthia +8 more
2017AIDS Care26 citations Open access
Semantic Scholar
Maternal Tenofovir Disoproxil Fumarate Use in Pregnancy and Growth Outcomes among HIV-Exposed Uninfected Infants in Kenya
J. Pintye, Agnes Langat, B. Singa, J. Kinuthia +5 more
2015Infectious Diseases in Obstetrics and Gynecology25 citations Open access
Semantic Scholar
Effect of a clinical decision support system on early action on immunological treatment failure in patients with HIV in Kenya: a cluster randomised controlled trial
T. Oluoch, A. Katana, D. Kwaro, Xenophon M. Santas +8 more
2015The Lancet HIV25 citations Open access
Semantic Scholar
The development of task sharing policy and guidelines in Kenya
Rosemary Kinuthia, A. Verani, J. Gross, R. Kiriinya +6 more
2021Human Resources for Health19 citations Open access
Semantic Scholar
Economic Evaluation of an Alternative Drug to Sulfadoxine-Pyrimethamine as Intermittent Preventive Treatment of Malaria in Pregnancy
E. Sicuri, S. Fernandes, E. Macete, R. González +13 more
2015PLoS ONE19 citations Open access
Semantic Scholar
Successful clinical outcomes following decentralization of tertiary paediatric HIV care to a community-based paediatric antiretroviral treatment network, Chiangrai, Thailand, 2002 to 2008
R. Hansudewechakul, Thananda Naiwatanakul, A. Katana, Worawan Faikratok +3 more
2012Journal of the International AIDS Society18 citations Open access
Semantic Scholar
'They can stigmatize you': a qualitative assessment of the influence of school factors on engagement in care and medication adherence among adolescents with HIV in Western Kenya.
L. Wiggins, Gabrielle O'Malley, A. Wagner, I. Mutisya +15 more
2022Health Education Research17 citations Open access
Semantic Scholar
Tuberculosis and HIV at the National Level in Kenya: Results From the Second Kenya AIDS Indicator Survey
Agneta Mbithi, A. Gichangi, A. Kim, A. Katana +7 more
2014Journal of Acquired Immune Deficiency Syndromes15 citations Open access
Semantic Scholar
Lessons Learned from Programmatic Gains in HIV Service Delivery During the COVID-19 Pandemic — 41 PEPFAR-Supported Countries, 2020
Kiva A. Fisher, Sadhna V. Patel, Neha Mehta, A. Stewart +72 more
2022MMWR. Morbidity and mortality weekly report13 citations Open access
Semantic Scholar
A clinical decision support system is associated with reduced loss to follow-up among patients receiving HIV treatment in Kenya: a cluster randomized trial
T. Oluoch, R. Cornet, Jacques Muthusi, A. Katana +5 more
2021BMC Medical Informatics and Decision Making13 citations Open access
Semantic Scholar
Piperaquine Pharmacokinetics during Intermittent Preventive Treatment for Malaria in Pregnancy
Palang Chotsiri, Julie R. Gutman, R. Ahmed, J. Poespoprodjo +13 more
2020Antimicrobial Agents and Chemotherapy13 citations Open access
Semantic Scholar
Spatial–temporal trend for mother-to-child transmission of HIV up to infancy and during pre-Option B+ in western Kenya, 2007–13
Anthony K. Waruru, T. Achia, H. Muttai, L. Ng'ang'a +8 more
2018PeerJ11 citations Open access
Semantic Scholar
Pharmacokinetics of mefloquine and its effect on sulfamethoxazole and trimethoprim steady-state blood levels in intermittent preventive treatment (IPTp) of pregnant HIV-infected women in Kenya
Michael D. Green, K. Otieno, A. Katana, L. Slutsker +6 more
2016Malaria Journal10 citations Open access
Semantic Scholar
“They Just Tell Me to Abstain:” Variable Access to and Uptake of Sexual and Reproductive Health Services Among Adolescents Living With HIV in Kenya
S. Lawrence, H. Moraa, Kate S. Wilson, I. Mutisya +15 more
2021Frontiers in Reproductive Health9 citations Open access
Semantic Scholar
Preexposure Prophylaxis for Human Immunodeficiency Virus (HIV) Prevention Among HIV–uninfected Pregnant Women: Estimated Coverage Using Risk-based Versus Regional Prevalence Approaches
J. Pintye, B. Singa, Kennedy Wanyonyi, Janet Itindi +7 more
2018Sexually Transmitted Diseases8 citations Open access
Semantic Scholar
Short Communication: Reduced Nevirapine Concentrations Among HIV-Positive Women Receiving Mefloquine for Intermittent Preventive Treatment for Malaria Control During Pregnancy
Richard E. Haaland, K. Otieno, Amy M. Martin, A. Katana +7 more
2018AIDS Research and Human Retroviruses8 citations Open access
Semantic Scholar
Progress in Reversing the HIV Epidemic through Intensified Access to Antiretroviral Therapy: Results from a Nationally Representative Population-Based Survey in Kenya, 2012
A. Kim, I. Mukui, L. Ng'ang'a, A. Katana +3 more
2016PLoS ONE8 citations Open access
Semantic Scholar
A national household survey on HIV prevalence and clinical cascade among children aged ≤15 years in Kenya (2018)
I. Mutisya, Evelyn Muthoni, R. Ondondo, Jacques Muthusi +14 more
2022PLoS ONE7 citations Open access
Semantic Scholar
Integrating tuberculosis screening in Kenyan prevention of mother-to-child transmission programs
L. Cranmer, Agnes Langat, Keshet Ronen, Christine J. McGrath +8 more
2017The International Journal of Tuberculosis and Lung Disease6 citations Open access
Semantic Scholar
Intermittent Screening and Treatment or Intermittent Preventive Treatment With Dihydroartemisinin-Piperaquine Versus Intermittent Preventive Treatment With Sulfadoxine-Pyrimethamine for the Control of Malaria During Pregnancy in Western Kenya: An Open-label, 3-Group, Randomized Controlled Superiorit
M. Desai, Julie R. Gutman, Anne L’lanziva, K. Otieno +8 more
20166 citations
Semantic Scholar
Factors Associated with Loss to Follow-Up Among Patients Receiving HIV Treatment in Nairobi, Kenya
E. Koech, K. Stafford, Immaculate Mutysia, A. Katana +6 more
2021AIDS Research and Human Retroviruses5 citations
Semantic Scholar
8th IAS Conference on HIV Pathogenesis, Treatment & Prevention 19–22 July 2015, Vancouver, Canada
Kelly A. Metcalf Pate, Christopher W. Pohlmeyer, Victoria Walker-Sperling, J. Foote +496 more
2015Journal of the International AIDS Society5 citations Open access
Semantic Scholar
Can isoniazid preventive therapy be scaled up rapidly? Lessons learned in Kenya, 2014–2018
H. Weyenga, M. Karanja, E. Onyango, A. Katana +12 more
2021The International Journal of Tuberculosis and Lung Disease4 citations Open access
Semantic Scholar
Temporal trends in pre-ART patient characteristics and outcomes before the test and treat era in Central Kenya
P. Wekesa, A. McLigeyo, K. Owuor, J. Mwangi +2 more
2020BMC Infectious Diseases4 citations Open access
Semantic Scholar
High Prevalence of Abacavir-associated L74V/I Mutations in Kenyan Children Failing Antiretroviral Therapy
E. Dziuban, Joshua R DeVos, Bernadette Ngeno, E. Ngugi +12 more
2017The Pediatric Infectious Disease Journal4 citations Open access
Semantic Scholar
Associations of Sociodemographic and Clinical Factors with Late Presentation for Early Infant HIV Diagnosis (EID) Services in Kenya
Agnes Langat, Tegan Callahan, Isabella Yonga, B. Ochanda +11 more
2021International Journal of MCH and AIDS3 citations Open access
Semantic Scholar
4th National Anti-tuberculosis Drug Resistance Survey in Kenya
J. Sitienei, K. Kimenye, J. Wahogo, B. Langat +14 more
20173 citations Open access
Semantic Scholar
Operation Triple Zero: Implementation, Processes, and Outcomes of an Asset-Based Approach to Achieving Viral Suppression Among Adolescents and Young Persons Living With HIV in Kenya, 2017-2021.
I. Mutisya, Anthony K. Waruru, R. Ondondo, L. Omoto +10 more
2025Journal of Adolescent Health2 citations
Semantic Scholar
Beyond the 95s: What happens when uniform program targets are applied across a heterogenous HIV epidemic in Eastern and Southern Africa?
Rachael H Joseph, Yaa Obeng-Aduasare, T. Achia, Abraham Agedew +8 more
2024PLOS Global Public Health1 citations Open access
Semantic Scholar
Trends in TB and HIV care and treatment cascade, Kenya, 2008-2018.
H. Weyenga, E. Onyango, A. Katana, I. Pathmanathan +6 more
2022The International Journal of Tuberculosis and Lung Disease1 citations
Semantic Scholar
Enhancing cervical cancer screening uptake through self-sampling for HPV DNA testing: insights and results from implementing in routine HIV clinics serving women living with HIV in Nairobi, Kenya, 2021–2024
R. Wangusi, E. Ngugi, Sam Wafula, P. Awuor +18 more
2026BMC Cancer0 citations Open access
Semantic Scholar
Feasibility of smartphone-enabled asynchronous video directly observed therapy to improve viral suppression outcomes among HIV unsuppressed children and adolescents in Kenya
P. Wekesa, Margaret Ndisha, B. Makone, Marc Bulterys +5 more
2025BMC Infectious Diseases0 citations Open access
Semantic Scholar
A Clinical Decision Support System is Associated with Reduced Loss to Follow-Up Among Patients Receiving HIV Treatment in Kenya: A Cluster Randomised Trial
T. Oluoch, A. Katana, R. Cornet, Jacques Muthusi +5 more
20200 citations Open access
Semantic Scholar
QUALITY IMPROVEMENT APPROACH FOR INCREASING LINKAGE TO HIV CARE AND TREATMENT AMONG NEWLY-DIAGNOSED HIV-INFECTED PERSONS IN KENYAN URBAN INFORMAL SETTLEMENTS DURING 2011–2015
S. Kegoli, R. Ondondo, A. Njoroge, J. Motoku +6 more
2019East African Medical Journal0 citations
Semantic Scholar
HIV antibody detection in children who started antiretroviral treatment in infancy
I. Mukui, M. Schmitz, A. Katana, M. Kimeu +19 more
20140 citations
Semantic Scholar

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E. Ngugi×11
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E. Ngugi — researcher profile on SciRah
Agnes Langat×11
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Agnes Langat — researcher profile on SciRah
B. Singa×11
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B. Singa — researcher profile on SciRah
G. John-Stewart×11
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Christine J. McGrath

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Christine J. McGrath — researcher profile on SciRah

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M. Desai — researcher profile on SciRah

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L. Ng'ang'a — researcher profile on SciRah

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K. de Cock — researcher profile on SciRah

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J. Kinuthia — researcher profile on SciRah

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L. Nganga — researcher profile on SciRah

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I. Mutisya — researcher profile on SciRah

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K. Otieno — researcher profile on SciRah