🏆 Finalist — NIH Data Sharing Index (“S-Index”) Challenge

Fostering Data Sharing

Search Papers Authors Institutions Grants FAIR About

TheSindex

Fostering Data Sharing

Empowering the data sharing that empowers science — an open, citation-grounded index for datasets.

Product

Search
API
Explore
Rankings

Resources

Methodology
Data Sources
Documentation
Press

Organization

About
Team
Wikidata

© 2026 theSindex. All rights reserved.

Home
Authors
Kephas Otieno

Kephas Otieno

Pilot corpus only

This score is computed over theSindex pilot corpus and does not cover the full scientific literature. Scores are relative to papers we have ingested — papers, authors, and institutions outside the pilot are not represented. Methodology.

Top 100%percentile

0Author DataRank

Indexed papers

0in pilot corpus

datarank_citation_only_1hop_v6· scope data_onlyMethodology

Papers

Driven by 14 papers. Top paper: “Safety, immunogenicity and efficacy of PfSPZ Vaccine against malaria in infants in western Kenya: a double-blind, randomized, placebo-controlled phase 2 trial”.

Safety, immunogenicity and efficacy of PfSPZ Vaccine against malaria in infants in western Kenya: a double-blind, randomized, placebo-controlled phase 2 trial

Nature Medicine(2021)10.1038/s41591-021-01470-y

N/A

2.9DataRank · unranked

103 citations

Laura C. Steinhardt, Reuben Yego, Ryan E. Wiegand, Phillip A. Swanson, Natasha KC +25 more

Efficacy of RTS,S/AS01E malaria vaccine administered according to different full, fractional, and delayed third or early fourth dose regimens in children aged 5–17 months in Ghana and Kenya: an open-label, phase 2b, randomised controlled trial

The Lancet Infectious Diseases(2022)10.1016/s1473-3099(22)00273-0

N/A

2.6DataRank · unranked

72 citations

Daniel Ansong, Simon Kariuki, Samuel Adjei, Anne Bollaerts, Christian F. Ockenhouse +35 more

Malaria Chemoprevention in the Postdischarge Management of Severe Anemia

New England Journal of Medicine(2020)10.1056/nejmoa2002820

N/A

2.5DataRank · unranked

65 citations

Aggrey Dhabangi, Richard Idro, Robert O. Opoka, Victoria Watson, Simon Kariuki +12 more

Impact of Community-Based Mass Testing and Treatment on Malaria Infection Prevalence in a High-Transmission Area of Western Kenya: A Cluster Randomized Controlled Trial

Clinical Infectious Diseases(2020)10.1093/cid/ciaa471

N/A

1.7DataRank · unranked

54 citations

Nobert Awino Odero, Wycliffe Odongo, Kephas Otieno, Vincent Were, Ya Ping Shi +10 more

Chemoprevention for malaria with monthly intermittent preventive treatment with dihydroartemisinin–piperaquine in pregnant women living with HIV on daily co-trimoxazole in Kenya and Malawi: a randomised, double-blind, placebo-controlled trial

The Lancet(2024)10.1016/s0140-6736(23)02631-4

N/A

1.0DataRank · unranked

21 citations

Mwayiwawo Madanitsa, Everlyne Delylah Ondieki, James Dodd, Eric D Onyango, Kephas Otieno +11 more

Efficacy of Artemether-Lumefantrine and Dihydroartemisinin-Piperaquine for the Treatment of Uncomplicated Plasmodium falciparum Malaria among Children in Western Kenya, 2016 to 2017

Antimicrobial Agents and Chemotherapy(2022)10.1128/aac.00207-22

N/A

1.0DataRank · unranked

23 citations

Mary Owidhi, Kephas Otieno, Winnie Chebore, Ann M. Buff, Meghna Desai +3 more

Sustained efficacy of the RTS,S/AS01E malaria vaccine over 50 months of follow-up when used in full-dose or fractional-dose regimens in young children in Ghana and Kenya: final results from an open-label, phase 2b, randomised controlled trial

The Lancet Global Health(2025)10.1016/s2214-109x(25)00272-4

N/A

0.270DataRank · unranked

3 citations

Simon Kariuki, Cynthia Lee, Robin Fabre, Dennis K Bii, Samuel Adjei +30 more

Diagnostic Performance of Loop-Mediated Isothermal Amplification and Ultrasensitive Rapid Diagnostic Tests for Malaria Screening Among Pregnant Women in Kenya

The Journal of Infectious Diseases(2022)10.1093/infdis/jiac289

N/A

0DataRank · unranked

16 citations

Oliver Towett, Brian Seda, Ryan E. Wiegand, Kephas Otieno, Miriam Chomba +9 more

Prevalence of and risk factors for microscopic and submicroscopic malaria infections in pregnancy: a systematic review and meta-analysis

The Lancet Global Health(2023)10.1016/s2214-109x(23)00194-8

N/A

0DataRank · unranked

32 citations

Kasia Stepniewska, Jenny Hill, Steve M. Taylor, Stephen J. Rogerson, Gilles Cottrell +85 more

Baseline malaria infection status and RTS,S/AS01E malaria vaccine efficacy

medRxiv(2023)10.1101/2023.11.22.23298907

N/A

0DataRank · unranked

0 citations

Angela M. Early, Li Li, S. F. Schaffner, Marc Lievens, Akanksha Khorgade +27 more

Burden of child mortality from malaria in high endemic areas: Results from the CHAMPS network using minimally invasive tissue sampling

Journal of Infection(2024)10.1016/j.jinf.2024.01.006

N/A

0DataRank · unranked

28 citations

Kephas Otieno, Rosauro Varo, Samba O. Sow, Julius Ojulong, Babatunde Duduyemi +34 more

Innate immune activation restricts priming and protective efficacy of the radiation-attenuated PfSPZ malaria vaccine

medRxiv(2021)10.1101/2021.10.08.21264577

N/A

0DataRank · unranked

2 citations

Jyoti Bhardwaj, Morgan R. Little, Prasida Holla, Aditi Upadhye, Phillip A. Swanson +25 more

Innate immune activation restricts priming and protective efficacy of the radiation-attenuated PfSPZ malaria vaccine

JCI Insight(2024)10.1172/jci.insight.167408

N/A

0DataRank · unranked

9 citations

Jyoti Bhardwaj, Morgan R. Little, Prasida Holla, Aditi Upadhye, Elizabeth M. Fusco +29 more

Mass testing and treatment on malaria in an area of western Kenya

Clinical Infectious Diseases(2020)10.1093/cid/ciaa813

N/A

0DataRank · unranked

0 citations

Nobert Awino Odero, Wycliffe Odongo, Kephas Otieno, Vincent Were, Ya Ping Shi +10 more