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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Hemoglobins Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

Comparison of Noninvasive Hemoglobin Disposable Sensors

NCT03125031
View directory record Official record
Conditions
Healthy
Interventions
Rainbow adhesive adult/pediatric sensor, Rainbow adhesive adult/neonatal sensor
Device
Lead sponsor
Masimo Corporation
Industry
Eligibility
18 Years to 40 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated Jul 26, 2017 · Synced Sep 25, 2026, 10:57 PM EDT
Completed Phase 2 Interventional

Effect of Vitamin D Supplementation on Hemoglobin A1c

NCT01354262
View directory record Official record
Conditions
Diabetes Mellitus, Vitamin D Deficiency
Interventions
Vitamin D
Dietary Supplement
Lead sponsor
Ascension Health
Industry
Eligibility
34 Years to 69 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Flint, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 22, 2015 · Synced Sep 25, 2026, 10:57 PM EDT
Terminated Phase 3 Interventional Results available

To Evaluate the Effect of Liraglutide Versus Glimepiride (Amaryl®) on Haemoglobin A1c

NCT00294723
View directory record Official record
Conditions
Diabetes, Diabetes Mellitus, Type 2
Interventions
liraglutide, glimepiride, placebo
Drug
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
18 Years to 80 Years
Enrollment
746 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
102
States / cities
Concord, California • Escondido, California • Fullerton, California + 83 more
Source: ClinicalTrials.gov public record
Updated Mar 6, 2017 · Synced Sep 25, 2026, 10:57 PM EDT
Completed No phase listed Observational

Dysfunctional Hemoglobin Pulse Oximetry

NCT03030833
View directory record Official record
Conditions
Carbon Monoxide Poisoning
Interventions
Pulse Oximeter
Device
Lead sponsor
Nonin Medical, Inc
Industry
Eligibility
18 Years to 50 Years
Enrollment
36 participants
Timeline
2017
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 31, 2017 · Synced Sep 25, 2026, 10:57 PM EDT
Completed Not applicable Interventional

A Trial of Restrictive Versus Traditional Blood Transfusion Practices in Burn Patients

NCT01079247
View directory record Official record
Conditions
Burn Injury
Interventions
Restrictive transfusion threshold, Liberal transfusion threshold
Other
Lead sponsor
American Burn Association
Other
Eligibility
18 Years to 90 Years
Enrollment
347 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
15
States / cities
Phoenix, Arizona • Colton, California • Fresno, California + 12 more
Source: ClinicalTrials.gov public record
Updated Aug 3, 2023 · Synced Sep 25, 2026, 10:57 PM EDT
Active, not recruiting No phase listed Observational

Investigating the Mechanistic Effects of Mitapivat in Subjects With Sickle Cell Disease

NCT05675436
View directory record Official record
Conditions
Sickle Cell Anemia, Sickle Cell Thalassemia, Sickle Cell Pain, Hbss, Hbsc, Sickle Beta Thalassemia, Sickle Beta Zero Thalassemia, Sickle Cell Syndrome Variant
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
16 Years to 80 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 21, 2026 · Synced Sep 25, 2026, 10:57 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Milking the Umbilical Cord at Term Cesarean Birth

NCT01630993
View directory record Official record
Conditions
Anemia
Interventions
Umbilical Cord Milking
Other
Lead sponsor
University of Rhode Island
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Oct 4, 2015 · Synced Sep 25, 2026, 10:57 PM EDT
Recruiting Phase 4 Interventional

Investigation of Metformin in Pre-Diabetes on Atherosclerotic Cardiovascular OuTcomes

NCT02915198
View directory record Official record
Conditions
Prediabetic State, Atherosclerosis, Metformin
Interventions
Metformin XR, Placebo
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
7,410 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
40
States / cities
Phoenix, Arizona • Tucson, Arizona • Little Rock, Arkansas + 37 more
Source: ClinicalTrials.gov public record
Updated Dec 16, 2025 · Synced Sep 25, 2026, 10:57 PM EDT
Completed Phase 2 Interventional Results available

16-Week Repeat Oral Dose Study of AKB-6548 for Anemia in Participants With End Stage Renal Disease (ESRD) Requiring Chronic Hemodialysis

NCT02260193
View directory record Official record
Conditions
Anemia, End Stage Renal Disease
Interventions
AKB-6548
Drug
Lead sponsor
Akebia Therapeutics
Industry
Eligibility
18 Years to 79 Years
Enrollment
94 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
16
States / cities
El Granada, California • Long Beach, California • San Dimas, California + 13 more
Source: ClinicalTrials.gov public record
Updated Jun 30, 2022 · Synced Sep 25, 2026, 10:57 PM EDT
Completed No phase listed Observational

Accuracy of Pulse CO-Oximetry Technology in Characterizing Noninvasive SpHb

NCT01997502
View directory record Official record
Conditions
Surgery, Hemoglobin
Interventions
Pulse CO-Oximetry Technology, Blood draw
Device · Other
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
621 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2024
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Apr 8, 2025 · Synced Sep 25, 2026, 10:57 PM EDT
Completed Not applicable Interventional

Intensive Care Program for Youth With Diabetes

NCT00961974
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
Care Ambassador Intervention, Psychoeducational Intervention
Behavioral
Lead sponsor
Joslin Diabetes Center
Other
Eligibility
8 Years to 16 Years
Enrollment
154 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 3, 2021 · Synced Sep 25, 2026, 10:57 PM EDT
Completed Not applicable Interventional Results available

Mobile Phone Support for Adults and Support Persons to Live Well With Diabetes

NCT04347291
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
FAMS 2.0, Print Materials
Behavioral
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 75 Years
Enrollment
638 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 16, 2024 · Synced Sep 25, 2026, 10:57 PM EDT
Not listed Not applicable Interventional

Noninvasive and Continuous Hemoglobin Monitoring for Surgical Blood Management

NCT01686659
View directory record Official record
Conditions
Surgery
Interventions
Continuous Noninvasive Hemoglobin Monitoring
Device
Lead sponsor
Society for the Advancement of Blood Management, Inc
Industry
Eligibility
18 Years and older
Enrollment
470 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
5
States / cities
Stanford, California • The Bronx, New York • Durham, North Carolina + 2 more
Source: ClinicalTrials.gov public record
Updated Apr 22, 2018 · Synced Sep 25, 2026, 10:57 PM EDT
Recruiting No phase listed Observational

Long Term Follow-Up Study for Individuals With Hemoglobin Disorders After Hematopoietic Cell Transplant or Gene Therapy

NCT06646640
View directory record Official record
Conditions
Hemoglobin Disorder
Interventions
Not listed
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
Not listed
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2050
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Sep 25, 2026, 10:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Study to Determine the Effect of Synbiotics in Patients With Pre-diabetes

NCT04428606
View directory record Official record
Conditions
PreDiabetes
Interventions
Metabolic Rheostat, Butyrate Ultra, Placebo
Dietary Supplement
Lead sponsor
Zhaoping Li
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 15, 2022 · Synced Sep 25, 2026, 10:57 PM EDT
Completed Not applicable Interventional

Enhanced Prescription Drug Label to Improve Patient Understanding and Use

NCT00973180
View directory record Official record
Conditions
Prescription Medication Understanding
Interventions
Enhanced Label
Other
Lead sponsor
Northwestern University
Other
Eligibility
30 Years and older
Enrollment
850 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 28, 2014 · Synced Sep 25, 2026, 10:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Calculating Blood Volume by Dilution of Hemoglobin - Pilot Study

NCT01900769
View directory record Official record
Conditions
Determine Validity of Concept of Using Hemoglobin Dilution to Assess/Measure Blood Volume.
Interventions
Blood Volume Dilution
Drug
Lead sponsor
Kai Schoenhage
Other
Eligibility
18 Years to 50 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Feb 18, 2014 · Synced Sep 25, 2026, 10:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Decision Aid for Therapeutic Options In Sickle Cell Disease

NCT02326597
View directory record Official record
Conditions
Sickle Cell Disease, Sickle Cell Anemia, Hemoglobin SS, Hemoglobin SC, Hemoglobin Beta Thalassemia
Interventions
Decision Aid Tool, Standard Practice
Other
Lead sponsor
Emory University
Other
Eligibility
8 Years to 80 Years
Enrollment
134 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 8, 2018 · Synced Sep 25, 2026, 10:57 PM EDT
Completed Phase 3 Interventional Results available

Study to Evaluate Vadadustat for the Correction of Anemia in Participants With Non-dialysis-dependent Chronic Kidney Disease

NCT02648347
View directory record Official record
Conditions
Anemia, Non-Dialysis-Dependent Chronic Kidney Disease
Interventions
Vadadustat, Darbepoetin alfa
Drug
Lead sponsor
Akebia Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
1,751 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
208
States / cities
Huntsville, Alabama • Tuscumbia, Alabama • Glendale, Arizona + 148 more
Source: ClinicalTrials.gov public record
Updated Jun 26, 2022 · Synced Sep 25, 2026, 10:57 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Oxytocin Infusions and Blood Loss in Patients Undergoing Elective Cesarean Delivery.

NCT01932060
View directory record Official record
Conditions
Postpartum Hemorrhage
Interventions
Oxytocin Infusion
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Jan 31, 2017 · Synced Sep 25, 2026, 10:57 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional

A Study Evaluating the Safety and Efficacy of EDIT-301 in Participants With Severe Sickle Cell Disease (RUBY)

NCT04853576
View directory record Official record
Conditions
Sickle Cell Disease, Hemoglobinopathies
Interventions
EDIT-301
Genetic
Lead sponsor
Editas Medicine, Inc.
Industry
Eligibility
12 Years to 50 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
21
States / cities
Oakland, California • Aurora, Colorado • New Haven, Connecticut + 15 more
Source: ClinicalTrials.gov public record
Updated Jan 30, 2025 · Synced Sep 25, 2026, 10:57 PM EDT
Completed Phase 3 Interventional Results available

Bexagliflozin Efficacy and Safety Trial

NCT02558296
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
Bexagliflozin, Placebo
Drug
Lead sponsor
Theracos
Industry
Eligibility
40 Years and older
Enrollment
1,700 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
66
States / cities
Gilbert, Arizona • Little Rock, Arkansas • Azusa, California + 57 more
Source: ClinicalTrials.gov public record
Updated Jul 13, 2021 · Synced Sep 25, 2026, 10:57 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Effect of Red Blood Cell Transfusion on Brain Metabolism in Patients With Subarachnoid Hemorrhage

NCT00968227
View directory record Official record
Conditions
Subarachnoid Hemorrhage, Vasospasm
Interventions
Red blood cell transfusion
Biological
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2015
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 16, 2017 · Synced Sep 25, 2026, 10:57 PM EDT
Completed Phase 3 Interventional Results available

The CANTATA-MSU Trial (CANagliflozin Treatment And Trial Analysis - Metformin and SUlphonylurea)

NCT01106625
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Canagliflozin, Placebo, Metformin, Sulphonylruea
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 80 Years
Enrollment
469 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
37
States / cities
Huntsville, Alabama • Little Rock, Alaska • Phoenix, Arizona + 34 more
Source: ClinicalTrials.gov public record
Updated Jun 19, 2013 · Synced Sep 25, 2026, 10:57 PM EDT