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ClinicalTrials.gov public records Last synced May 21, 2026, 8:07 PM EDT

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Showing 1–3 of 3 matching trials from the live ClinicalTrials.gov search.

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Filters: Condition: Erythrocyte Variants Clear all

Completed No phase listed Observational Accepts healthy volunteers

Collection of Blood From Persons With Hemoglobin and Erythrocyte Polymorphisms for Laboratory Malaria Research

NCT00277849

View directory record Official record

Conditions: Hemoglobin Mutations, Erythrocyte Variants
Interventions: Not listed
Lead sponsor: National Institute of Allergy and Infectious Diseases (NIAID); NIH
Eligibility: 18 Years to 65 Years

Enrollment: 130 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2006 – 2010
U.S. locations: 1
States / cities: Bethesda, Maryland

Source: ClinicalTrials.gov public record

Updated Jul 1, 2017 · Synced May 21, 2026, 8:07 PM EDT

Terminated Not applicable Interventional Accepts healthy volunteers Results available

Effect of Red Blood Cell Survival on a Commonly Used Diabetes Lab Test-HbA1c

NCT01204216

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Conditions: Diabetes Mellitus, Impaired Fasting Glucose, Prediabetes
Interventions: Re-infusion of biotin labeled cells, Diabetes education/diabetes medication adjustment; Biological · Behavioral
Lead sponsor: VA Office of Research and Development; Federal
Eligibility: 18 Years to 85 Years

Enrollment: 3 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2010 – 2016
U.S. locations: 1
States / cities: Cincinnati, Ohio

Source: ClinicalTrials.gov public record

Updated May 30, 2023 · Synced May 21, 2026, 8:07 PM EDT

Recruiting No phase listed Observational Accepts healthy volunteers

Genotype -Phenotype Correlation of PKLR Variants With Pyruvate Kinase, 2,3-Diphosphglycerate and Adenosine Triphosphate Activities in Red Blood Cells of People With Sickle Cell Disease

NCT03685721

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Conditions: Sickle Cell, PKLR Variants, Adenosine Triphosphate Activities
Interventions: Not listed
Lead sponsor: National Heart, Lung, and Blood Institute (NHLBI); NIH
Eligibility: 18 Years to 80 Years

Enrollment: 800 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2018 – 2026
U.S. locations: 1
States / cities: Bethesda, Maryland

Source: ClinicalTrials.gov public record

Updated Mar 15, 2026 · Synced May 21, 2026, 8:07 PM EDT