Kieran S. O’Brien

2.5k total citations · 1 hit paper
90 papers, 1.4k citations indexed

About

Kieran S. O’Brien is a scholar working on Ophthalmology, Nutrition and Dietetics and Pediatrics, Perinatology and Child Health. According to data from OpenAlex, Kieran S. O’Brien has authored 90 papers receiving a total of 1.4k indexed citations (citations by other indexed papers that have themselves been cited), including 32 papers in Ophthalmology, 29 papers in Nutrition and Dietetics and 24 papers in Pediatrics, Perinatology and Child Health. Recurrent topics in Kieran S. O’Brien's work include Child Nutrition and Water Access (29 papers), Ocular Infections and Treatments (20 papers) and Global Maternal and Child Health (19 papers). Kieran S. O’Brien is often cited by papers focused on Child Nutrition and Water Access (29 papers), Ocular Infections and Treatments (20 papers) and Global Maternal and Child Health (19 papers). Kieran S. O’Brien collaborates with scholars based in United States, India and Niger. Kieran S. O’Brien's co-authors include Thomas M. Lietman, Jeremy D. Keenan, Catherine E. Oldenburg, Travis C. Porco, Kathryn J. Ray, Nisha R. Acharya, Ahmed M. Arzika, Elodie Lebas, Paul M. Emerson and Stephen D. McLeod and has published in prestigious journals such as New England Journal of Medicine, JAMA and Nature Communications.

In The Last Decade

Kieran S. O’Brien

82 papers receiving 1.3k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Azithromycin to Reduce Childhood Mortality in Sub-Saharan Africa

2018 212 citations Jeremy D. Keenan, Robin L. Bailey et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Kieran S. O’Brien United States	19	439	354	309	283	264	90	1.4k
Khumbo Kalua Malawi	19	274 0.6×	120 0.3×	159 0.5×	408 1.4×	133 0.5×	60	1.1k
Zhaoxia Zhou United States	23	101 0.2×	201 0.6×	207 0.7×	806 2.8×	160 0.6×	49	1.5k
Joel N. Kuritsky United States	18	175 0.4×	548 1.5×	562 1.8×	527 1.9×	19 0.1×	41	1.8k
Jorge Juarez Vieira Teixeira Brazil	21	22 0.1×	400 1.1×	187 0.6×	309 1.1×	40 0.2×	107	1.6k
Joost Hopman Netherlands	15	37 0.1×	544 1.5×	400 1.3×	120 0.4×	20 0.1×	51	1.6k
Giovanni Boccia Italy	20	41 0.1×	128 0.4×	169 0.5×	275 1.0×	32 0.1×	88	1.2k
Sheldon Campbell United States	20	26 0.1×	286 0.8×	715 2.3×	756 2.7×	50 0.2×	60	1.9k
Tansy Edwards United Kingdom	26	24 0.1×	474 1.3×	384 1.2×	528 1.9×	107 0.4×	82	1.9k
Fantahun Biadglegne Ethiopia	23	41 0.1×	68 0.2×	692 2.2×	544 1.9×	67 0.3×	59	1.1k

Countries citing papers authored by Kieran S. O’Brien

Since Specialization

Citations

This map shows the geographic impact of Kieran S. O’Brien's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Kieran S. O’Brien with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Kieran S. O’Brien more than expected).

Fields of papers citing papers by Kieran S. O’Brien

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Kieran S. O’Brien. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Kieran S. O’Brien. The network helps show where Kieran S. O’Brien may publish in the future.

Co-authorship network of co-authors of Kieran S. O’Brien

This figure shows the co-authorship network connecting the top 25 collaborators of Kieran S. O’Brien. A scholar is included among the top collaborators of Kieran S. O’Brien based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Kieran S. O’Brien. Kieran S. O’Brien is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

O’Brien, Kieran S., et al.. (2025). Potential Efficacy of Metformin for Age-Related Macular Degeneration: A Systematic Review and Meta-Analysis. Ophthalmology Science. 5(4). 100741–100741. 5 indexed citations

Peterson, Brittany F., Ahmed M. Arzika, Ramatou Maliki, et al.. (2025). Seasonality of underweight among infants 1–11 months old in Niger: an exploratory analysis of data from a cluster-randomised trial. BMJ Global Health. 10(3). e017643–e017643.

Oldenburg, Catherine E., Mamadou Ouattara, Mamadou Bountogo, et al.. (2024). Mass Azithromycin Distribution to Prevent Child Mortality in Burkina Faso. JAMA. 331(6). 482–482. 7 indexed citations

Sié, Ali, Mamadou Ouattara, Mamadou Bountogo, et al.. (2024). Mass azithromycin for prevention of child mortality among children with acute malnutrition: A subgroup analysis of a cluster randomized controlled trial. SHILAP Revista de lepidopterología. 4(10). e0003875–e0003875. 3 indexed citations

Sié, Ali, Mamadou Ouattara, Mamadou Bountogo, et al.. (2024). Single-dose azithromycin for infant growth in Burkina Faso: Prespecified secondary anthropometric outcomes from a randomized controlled trial. PLoS Medicine. 21(1). e1004345–e1004345. 3 indexed citations

Kandel, Ram Prasad, Julius T. Oatts, Yvonne Ou, et al.. (2023). Anterior Segment OCT for Detection of Narrow Angles. Ophthalmology Glaucoma. 7(2). 148–156.

Sié, Ali, Mamadou Bountogo, Guillaume Compaoré, et al.. (2023). Neonatal Azithromycin Administration and Growth during Infancy: A Randomized Controlled Trial. American Journal of Tropical Medicine and Hygiene. 108(5). 1063–1070. 7 indexed citations

Briend, André, Mark Myatt, James A. Berkley, et al.. (2023). Prognostic value of different anthropometric indices over different measurement intervals to predict mortality in 6–59-month-old children. Public Health Nutrition. 26(6). 1210–1221. 3 indexed citations

Chao, Dennis L., Ahmed M. Arzika, Amza Abdou, et al.. (2023). Distance to Health Centers and Effectiveness of Azithromycin Mass Administration for Children in Niger. JAMA Network Open. 6(12). e2346840–e2346840. 1 indexed citations

10.

Kandel, Ram Prasad, John A. Gonzales, Muthiah Srinivasan, et al.. (2023). Risk factors for corneal abrasions in Nepal: a community-based study. Eye. 38(5). 945–950. 2 indexed citations

11.

Srinivasan, Muthiah, Ravilla D. Ravindran, Tansy Edwards, et al.. (2022). Relationship Between Cooking Fuel and Lens Opacities in South India: A 15-Year Prospective Cohort Study. American Journal of Ophthalmology. 243. 66–76. 1 indexed citations

12.

Hu, Huiyu, Ahmed M. Arzika, Ali Sié, et al.. (2022). Simplified dosing of oral azithromycin for children 1–11 months old in child survival programmes: age-based and height-based dosing protocols. BMJ Global Health. 7(10). e009801–e009801. 1 indexed citations

13.

O’Brien, Kieran S., Ali Sié, Clarisse Dah, et al.. (2022). Comparing Azithromycin to Amoxicillin in the Management of Uncomplicated Severe Acute Malnutrition in Burkina Faso: A Pilot Randomized Trial. American Journal of Tropical Medicine and Hygiene. 106(3). 930–938. 5 indexed citations

14.

Dah, Clarisse, Ourohiré Millogo, Ali Sié, et al.. (2022). How does baseline anthropometry affect anthropometric outcomes in children receiving treatment for severe acute malnutrition? A secondary analysis of a randomized controlled trial. Maternal and Child Nutrition. 18(3). e13329–e13329. 8 indexed citations

15.

Sadler, Kate, Philip James, Zulfiqar A Bhutta, et al.. (2022). How Can Nutrition Research Better Reflect the Relationship Between Wasting and Stunting in Children? Learnings from the Wasting and Stunting Project. Journal of Nutrition. 152(12). 2645–2651. 14 indexed citations

16.

O’Brien, Kieran S., Ali Sié, Clarisse Dah, et al.. (2021). Azithromycin for uncomplicated severe acute malnutrition: study protocol for a pilot randomized controlled trial. Pilot and Feasibility Studies. 7(1). 97–97. 6 indexed citations

17.

Amza, Abdou, Solomon Aragie, William Godwin, et al.. (2021). Stopping azithromycin mass drug administration for trachoma: A systematic review. PLoS neglected tropical diseases. 15(7). e0009491–e0009491. 4 indexed citations

18.

O’Brien, Kieran S., Ahmed M. Arzika, Ramatou Maliki, et al.. (2020). Biannual azithromycin distribution and child mortality among malnourished children: A subgroup analysis of the MORDOR cluster-randomized trial in Niger. PLoS Medicine. 17(9). e1003285–e1003285. 13 indexed citations

19.

Sié, Ali, Lucienne Ouèrmi, Clarisse Dah, et al.. (2019). Short-term weight gain among preschool children in rural Burkina Faso: a secondary analysis of a randomised controlled trial. BMJ Open. 9(7). e029634–e029634. 1 indexed citations

20.

Oldenburg, Catherine E., Abdou Amza, Gretchen Cooley, et al.. (2019). Biannual versus annual mass azithromycin distribution and malaria seroepidemiology among preschool children in Niger: a sub-study of a cluster randomized trial. Malaria Journal. 18(1). 389–389. 6 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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