Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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ACTIVE_NOT_RECRUITING
150 participants
OBSERVATIONAL
2024-10-01
2029-10-31
Brief Summary
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Detailed Description
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Conditions
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Study Design
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COHORT
PROSPECTIVE
Study Groups
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Children
n=150
No interventions assigned to this group
Mothers
n=150
No interventions assigned to this group
Eligibility Criteria
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Inclusion Criteria
* Healthy infant
* No obvious congenital abnormalities or birth defects.
* Stable household with no plans to leave the area for the next one year.
Exclusion Criteria
* Parents are planning to enroll child into another interventional clinical study during the time period of this trial that could affect the outcomes of this study.
* Mother not willing to have blood drawn and breast milk extracted.
* Parents not willing to have field research assistant in home two times per week.
* History of seizures or other apparent neurologic disorders.
* Infant has any sibling currently or previously enrolled in this study, including a twin.
1 Day
7 Days
ALL
Yes
Sponsors
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International Centre for Diarrhoeal Disease Research, Bangladesh
OTHER
National Institutes of Health (NIH)
NIH
University of Virginia
OTHER
Responsible Party
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William Petri, MD, PhD
Division Chief, Infectious Disease
Locations
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The International Centre for Diarrhoeal Disease Research, Bangladesh
Dhaka, , Bangladesh
Countries
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References
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Gilchrist CA, Cotton JA, Burkey C, Arju T, Gilmartin A, Lin Y, Ahmed E, Steiner K, Alam M, Ahmed S, Robinson G, Zaman SU, Kabir M, Sanders M, Chalmers RM, Ahmed T, Ma JZ, Haque R, Faruque ASG, Berriman M, Petri WA. Genetic Diversity of Cryptosporidium hominis in a Bangladeshi Community as Revealed by Whole-Genome Sequencing. J Infect Dis. 2018 Jun 20;218(2):259-264. doi: 10.1093/infdis/jiy121.
Steiner KL, Ahmed S, Gilchrist CA, Burkey C, Cook H, Ma JZ, Korpe PS, Ahmed E, Alam M, Kabir M, Tofail F, Ahmed T, Haque R, Petri WA Jr, Faruque ASG. Species of Cryptosporidia Causing Subclinical Infection Associated With Growth Faltering in Rural and Urban Bangladesh: A Birth Cohort Study. Clin Infect Dis. 2018 Oct 15;67(9):1347-1355. doi: 10.1093/cid/ciy310.
Steiner KL, Kabir M, Priest JW, Hossain B, Gilchrist CA, Cook H, Ma JZ, Korpe PS, Ahmed T, Faruque ASG, Haque R, Petri WA. Fecal Immunoglobulin A Against a Sporozoite Antigen at 12 Months Is Associated With Delayed Time to Subsequent Cryptosporidiosis in Urban Bangladesh: A Prospective Cohort Study. Clin Infect Dis. 2020 Jan 2;70(2):323-326. doi: 10.1093/cid/ciz430.
Donowitz JR, Drew J, Taniuchi M, Platts-Mills JA, Alam M, Ferdous T, Shama T, Islam MO, Kabir M, Nayak U, Haque R, Petri WA. Diarrheal Pathogens Associated With Growth and Neurodevelopment. Clin Infect Dis. 2021 Aug 2;73(3):e683-e691. doi: 10.1093/cid/ciaa1938.
Donowitz JR, Pu Z, Lin Y, Alam M, Ferdous T, Shama T, Taniuchi M, Islam MO, Kabir M, Nayak U, Faruque ASG, Haque R, Ma JZ, Petri WA Jr. Small Intestine Bacterial Overgrowth in Bangladeshi Infants Is Associated With Growth Stunting in a Longitudinal Cohort. Am J Gastroenterol. 2022 Jan 1;117(1):167-175. doi: 10.14309/ajg.0000000000001535.
Kabir M, Alam M, Nayak U, Arju T, Hossain B, Tarannum R, Khatun A, White JA, Ma JZ, Haque R, Petri WA Jr, Gilchrist CA. Nonsterile immunity to cryptosporidiosis in infants is associated with mucosal IgA against the sporozoite and protection from malnutrition. PLoS Pathog. 2021 Jun 28;17(6):e1009445. doi: 10.1371/journal.ppat.1009445. eCollection 2021 Jun.
Carey MA, Medlock GL, Alam M, Kabir M, Uddin MJ, Nayak U, Papin J, Faruque ASG, Haque R, Petri WA, Gilchrist CA. Megasphaera in the Stool Microbiota Is Negatively Associated With Diarrheal Cryptosporidiosis. Clin Infect Dis. 2021 Sep 15;73(6):e1242-e1251. doi: 10.1093/cid/ciab207.
Gilchrist CA, Campo JJ, Pablo JV, Ma JZ, Teng A, Oberai A, Shandling AD, Alam M, Kabir M, Faruque ASG, Haque R, Petri WA Jr. Specific Cryptosporidium antigens associate with reinfection immunity and protection from cryptosporidiosis. J Clin Invest. 2023 Aug 15;133(16):e166814. doi: 10.1172/JCI166814.
Gilchrist CA, Petri WAO, Hossain B, Kabir M, So HH, Moreau GB, Nayak U, Ma JZ, Noor Z, Faruque ASG, Alam M, Haque R, Petri WA Jr. Decrease in Incidence of Diarrhea Due to Cryptosporidium in Bangladeshi Children Is Associated With an Increase in Anti-Cryptosporidium Antibody Avidity. J Infect Dis. 2025 Sep 15;232(3):e362-e371. doi: 10.1093/infdis/jiaf253.
Carey M, Arju T, Cotton JA, Alam M, Kabir M, Faruque ASG, Haque R, Petri WA Jr, Gilchrist CA. Genomic Heterogeneity of Cryptosporidium parvum Isolates From Children in Bangladesh: Implications for Parasite Biology and Human Infection. J Infect Dis. 2023 Nov 2;228(9):1292-1298. doi: 10.1093/infdis/jiad257.
Other Identifiers
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PR13092
Identifier Type: -
Identifier Source: org_study_id
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