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ClinicalTrials.gov public records Last synced Oct 21, 2026, 10:30 AM EDT

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Showing 1–24 of 34 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: R3 Clear all
Completed No phase listed Observational Results available

R3 Delta Ceramic Acetabular System PAS U.S.

NCT03056534
View directory record Official record
Conditions
Degenerative Joint Disease
Interventions
R3 Biolox Delta Ceramic Acetabular System
Device
Lead sponsor
Smith & Nephew, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
189 participants
Timeline
2018 – 2023
U.S. locations
8
States / cities
Tampa, Florida • Tucker, Georgia • Annapolis, Maryland + 5 more
Source: ClinicalTrials.gov public record
Updated Apr 13, 2025 · Synced Oct 21, 2026, 10:30 AM EDT
Terminated Phase 1 Interventional

Study to Evaluate the Safety, Tolerability, and Efficacy of SRP-9004 Administered by Systemic Infusion in Limb Girdle Muscular Dystrophy Type 2D/R3 Participants in the United States

NCT06747273
View directory record Official record
Conditions
Limb Girdle Muscular Dystrophy, Limb Girdle Muscular Dystrophy Type 2D/R3
Interventions
SRP-9004
Drug
Lead sponsor
Sarepta Therapeutics, Inc.
Industry
Eligibility
4 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
2
States / cities
Columbus, Ohio • Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 4, 2025 · Synced Oct 21, 2026, 10:30 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Protonics Knee Brace Versus Hamstring Resisted Exercise (HRE) on Individuals With Patellofemoral Pain Syndrome

NCT03042559
View directory record Official record
Conditions
Patellofemoral Pain Syndrome
Interventions
Protonics Knee brace, Sports Cords
Device
Lead sponsor
Loma Linda University
Other
Eligibility
18 Years to 45 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated May 15, 2020 · Synced Oct 21, 2026, 10:30 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Oregon Supplement: Supporting Sustainable Positive Interactions in the Child Welfare System: The R3 Supervisor Strategy

NCT05475457
View directory record Official record
Conditions
Evidence-Based Practice
Interventions
R3
Behavioral
Lead sponsor
Oregon Social Learning Center
Other
Eligibility
18 Years and older
Enrollment
404 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Jul 27, 2022 · Synced Oct 21, 2026, 10:30 AM EDT
Completed Not applicable Interventional Results available

Ketone Ester Effects on Biomarkers of Brain Metabolism and Cognitive Performance in Cognitively Intact Adults 55 Years Old or Older

NCT04421014
View directory record Official record
Conditions
Metabolic Syndrome, Normal Cognition
Interventions
Ketone Ester drink, Placebo: isocaloric dextrose drink
Dietary Supplement
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
55 Years and older
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 2, 2026 · Synced Oct 21, 2026, 10:30 AM EDT
Completed Phase 1 Interventional Results available

Ketone Pharmacokinetic Study in HFrEF

NCT05757193
View directory record Official record
Conditions
Heart Failure With Reduced Ejection Fraction
Interventions
DeltaG (250 mg/kg), DeltaG (500 mg/kg)
Dietary Supplement
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 27, 2024 · Synced Oct 21, 2026, 10:30 AM EDT
Completed Phase 2 Interventional Results available

Ofatumumab, Pentostatin, and Cyclophosphamide in Treating Patients With Untreated Chronic Lymphocytic Leukemia or Small Lymphocytic Lymphoma

NCT01024010
View directory record Official record
Conditions
Chronic Lymphocytic Leukemia, Stage 0 Chronic Lymphocytic Leukemia, Stage I Chronic Lymphocytic Leukemia, Stage I Small Lymphocytic Lymphoma, Stage II Chronic Lymphocytic Leukemia, Stage II Small Lymphocytic Lymphoma, Stage III Chronic Lymphocytic Leukemia, Stage III Small Lymphocytic Lymphoma, Stage IV Chronic Lymphocytic Leukemia, Stage IV Small Lymphocytic Lymphoma
Interventions
Cyclophosphamide, Laboratory Biomarker Analysis, Ofatumumab, Pentostatin
Drug · Other · Biological
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2017
U.S. locations
4
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Rochester, Minnesota + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 18, 2018 · Synced Oct 21, 2026, 10:30 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Evaluation Exploring How Course Modality Influences the Effectiveness of the R3 Academy for Couples

NCT05580627
View directory record Official record
Conditions
Program Modality
Interventions
Livestream Modality (treatment), Live Modality (control)
Other
Lead sponsor
Healthy Relationships California
Other
Eligibility
18 Years and older
Enrollment
255 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Leucadia, California
Source: ClinicalTrials.gov public record
Updated Oct 14, 2022 · Synced Oct 21, 2026, 10:30 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Online Learning Module to Advance Research Related to People With Disabilities

NCT07220837
View directory record Official record
Conditions
Developmental Disability, Intellectual Disability, Disability
Interventions
eLearning module, Control
Other
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
18 Years and older
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Jul 14, 2026 · Synced Oct 21, 2026, 10:30 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study To Assess The Pharmacokinetics Of 2 Different Formulations Of PF-04991532

NCT01388829
View directory record Official record
Conditions
Healthy
Interventions
Treatment A, Treatment B
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 10, 2011 · Synced Oct 21, 2026, 10:30 AM EDT
Not yet recruiting Early Phase 1 Interventional Accepts healthy volunteers

MeFAMP for Imaging System A Amino Acid Transport in Primary and Metastatic Brain Tumors

NCT05676489
View directory record Official record
Conditions
Healthy Volunteers, Recurrent Glioma, Brain Metastases From Extra-cranial Solid Tumors
Interventions
[F-18]MeFAMP PET
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Months to 89 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027 – 2029
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Oct 21, 2026, 10:30 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Evaluating How Course Modality Influences the Effectiveness of the R3 Academy for Dads

NCT05580900
View directory record Official record
Conditions
Program Modality
Interventions
Livestream Modality (treatment), Live Modality (control)
Other
Lead sponsor
Healthy Relationships California
Other
Eligibility
18 Years and older · Male only
Enrollment
510 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Leucadia, California
Source: ClinicalTrials.gov public record
Updated Oct 14, 2022 · Synced Oct 21, 2026, 10:30 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Brain Small Chain Fatty Acid Metabolism in Parkinson Disease: Ketones

NCT05778695
View directory record Official record
Conditions
Parkinson Disease, Lewy Body Dementia, Parkinson Disease Dementia
Interventions
Ketone Ester (R)-3-Hydroxybutyl (R)-3-Hydroxybutyrate
Dietary Supplement
Lead sponsor
University of Michigan
Other
Eligibility
45 Years and older
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
2
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 12, 2025 · Synced Oct 21, 2026, 10:30 AM EDT
Completed Phase 2 Interventional Results available

Pentostatin and Lymphocyte Infusion in Preventing Graft Rejection in Patients Who Have Undergone Donor Stem Cell Transplant

NCT00096161
View directory record Official record
Conditions
Acute Lymphoblastic Leukemia, Acute Myeloid Leukemia, Chronic Lymphocytic Leukemia, Chronic Myelogenous Leukemia, BCR-ABL1 Positive, Graft Versus Host Disease, Hodgkin Lymphoma, Myelodysplastic/Myeloproliferative Neoplasm, Non-Hodgkin Lymphoma, Plasma Cell Myeloma, Waldenstrom Macroglobulinemia
Interventions
Cyclosporine, Mycophenolate Mofetil, Pentostatin, Therapeutic Allogeneic Lymphocytes
Drug · Biological
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
Not listed
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2015
U.S. locations
4
States / cities
Salt Lake City, Utah • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 31, 2020 · Synced Oct 21, 2026, 10:30 AM EDT
Enrolling by invitation Phase 2Phase 3 Interventional Accepts healthy volunteers

Relationship Between Brain and Heart Glucose Metabolism in Alcohol Use Disorder

NCT05015881
View directory record Official record
Conditions
Alcohol Use Disorder (AUD), Alcohol Drinking
Interventions
Ketone Ester "(R)-3-hydroxybutyl (R)-3-hydroxybutyrate", FDG
Dietary Supplement · Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
21 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Oct 21, 2026, 10:30 AM EDT
Recruiting Phase 4 Interventional

Glanatec(R) for Descemet Stripping in Fuch's Endothelial Dystrophy

NCT03249337
View directory record Official record
Conditions
Fuchs' Endothelial Dystrophy
Interventions
Ripasudil hydrochloride hydrate 0.4% ophthalmic solution
Drug
Lead sponsor
Marian Macsai, MD
Other
Eligibility
18 Years to 91 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Glenview, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 11, 2021 · Synced Oct 21, 2026, 10:30 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

A Reduced-Intensity Conditioning Regimen (Cyclophosphamide, Pentostatin, Anti-thymocyte Globulin) Followed by Haploidentical Hematopoietic Stem Cell Transplant for the Treatment of Patients With Refractory or Recurrent Severe Aplastic Anemia

NCT05757310
View directory record Official record
Conditions
Recurrent Severe Aplastic Anemia, Refractory Severe Aplastic Anemia
Interventions
Anti-Thymocyte Globulin, Biospecimen Collection, Bone Marrow Aspirate, Bone Marrow Biopsy, Cyclophosphamide, Haploidentical Hematopoietic Cell Transplantation, Pentostatin, Questionnaire Administration
Biological · Procedure · Drug + 1 more
Lead sponsor
City of Hope Medical Center
Other
Eligibility
Up to 75 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated Jan 5, 2026 · Synced Oct 21, 2026, 10:30 AM EDT
Active, not recruiting No phase listed Observational

A Study of the Natural History of Participants With LGMD2E/R4, LGMD2D/R3, LGMD2C/R5, and LGMD2A/R1 ≥ 4 Years of Age, Who Are Managed in Routine Clinical Practice

NCT04475926
View directory record Official record
Conditions
Limb-girdle Muscular Dystrophy
Interventions
Not listed
Lead sponsor
Sarepta Therapeutics, Inc.
Industry
Eligibility
4 Years and older
Enrollment
205 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2030
U.S. locations
11
States / cities
Phoenix, Arizona • Little Rock, Arkansas • La Jolla, California + 8 more
Source: ClinicalTrials.gov public record
Updated Nov 6, 2025 · Synced Oct 21, 2026, 10:30 AM EDT
Completed Phase 1 Interventional Results available

Vincristine Sulfate Liposome Injection (Marqibo®) in Combination With UK ALL R3 Induction Chemotherapy

NCT02879643
View directory record Official record
Conditions
ALL, Childhood, Lymphoblastic Leukemia, Acute, Childhood, Lymphoblastic Leukemia, Acute
Interventions
Marqibo
Drug
Lead sponsor
Therapeutic Advances in Childhood Leukemia Consortium
Other
Eligibility
1 Year to 21 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
28
States / cities
Los Angeles, California • Orange, California • San Francisco, California + 25 more
Source: ClinicalTrials.gov public record
Updated Oct 22, 2025 · Synced Oct 21, 2026, 10:30 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Role of Nitric Oxide in the Impact of Aging on Myocardial Remodeling

NCT00603720
View directory record Official record
Conditions
Cardiovascular Diseases
Interventions
L-NAME, L-Arginine, Phenylephrine
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 75 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 12, 2018 · Synced Oct 21, 2026, 10:30 AM EDT
Completed Phase 2 Interventional

Ketones in Heart Failure With Reduced Ejection Fraction

NCT06195982
View directory record Official record
Conditions
Heart Failure With Reduced Ejection Fraction
Interventions
ketone ester, placebo
Dietary Supplement
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Oct 21, 2026, 10:30 AM EDT
Completed Phase 2 Interventional Results available

Acute Effects of Exogenous Ketone Ester Administration in Heart Failure

NCT04633460
View directory record Official record
Conditions
Heart Failure With Preserved Ejection Fraction
Interventions
Ketone ester, placebo drink
Dietary Supplement
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 85 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 27, 2024 · Synced Oct 21, 2026, 10:30 AM EDT
Recruiting Phase 2Phase 3 Interventional Accepts healthy volunteers

Ketone Ester Intervention in Alcohol Use Disorder

NCT04616781
View directory record Official record
Conditions
Alcohol Drinking, Alcohol Use Disorder
Interventions
Ketone Ester "(R)-3-hydroxybutyl (R)-3-hydroxybutyrate", Isocaloric dextrose placebo, Alcohol drinks
Dietary Supplement · Drug · Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
21 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 9, 2026 · Synced Oct 21, 2026, 10:30 AM EDT
Terminated Phase 1Phase 2 Interventional

A Study of Nimotuzumab in Combination With External Radiotherapy in Non-Small Cell Lung Cancer

NCT00369447
View directory record Official record
Conditions
Non-small-cell Lung Cancer
Interventions
External radiotherapy, nimotuzumab
Procedure · Biological
Lead sponsor
YM BioSciences
Industry
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
New Port Richey, Florida
Source: ClinicalTrials.gov public record
Updated Jul 1, 2011 · Synced Oct 21, 2026, 10:30 AM EDT