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Showing 1–23 of 23 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Grapefruit Juice Clear all
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Drug-Food Interaction Study Between Colchicine and Grapefruit Juice

NCT00984009
View directory record Official record
Conditions
Pharmacokinetics
Interventions
Colchicine, Grapefruit Juice
Drug · Other
Lead sponsor
Mutual Pharmaceutical Company, Inc.
Industry
Eligibility
18 Years to 45 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Nov 20, 2011 · Synced Sep 2, 2026, 11:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Do Furanocoumarins Mediate the Fexofenadine-grapefruit Juice Interaction?

NCT01526213
View directory record Official record
Conditions
Food-drug Interaction
Interventions
Fexofenadine
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 65 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated May 29, 2017 · Synced Sep 2, 2026, 11:04 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

The Impact of Grapefruit Juice on the Response to Clopidogrel

NCT00817999
View directory record Official record
Conditions
Healthy
Interventions
Grapefruit juice, Clopidogrel 75 mg/day, Clopidogrel 300 mg
Dietary Supplement · Drug
Lead sponsor
Creighton University
Other
Eligibility
19 Years to 40 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Sep 30, 2012 · Synced Sep 2, 2026, 11:04 AM EDT
Completed Phase 2 Interventional

Phase II Trial of LBH589 in Refractory Colorectal Cancer

NCT00690677
View directory record Official record
Conditions
Colorectal Cancer
Interventions
LBH589
Drug
Lead sponsor
Swedish Medical Center
Other
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 17, 2012 · Synced Sep 2, 2026, 11:04 AM EDT
Completed Phase 3 Interventional Results available

A Phase III Safety and Efficacy Study of L-Glutamine to Treat Sickle Cell Disease or Sickle βo-thalassemia

NCT01179217
View directory record Official record
Conditions
Sickle Cell Anemia, Sickle ß0-Thalassemia
Interventions
L-glutamine, Placebo
Drug
Lead sponsor
Emmaus Medical, Inc.
Industry
Eligibility
5 Years and older
Enrollment
230 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
31
States / cities
Mobile, Alabama • Phoenix, Arizona • Inglewood, California + 23 more
Source: ClinicalTrials.gov public record
Updated Aug 18, 2020 · Synced Sep 2, 2026, 11:04 AM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

DHB Supplement Interaction Study

NCT02257879
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years to 60 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2020
U.S. locations
1
States / cities
Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 23, 2020 · Synced Sep 2, 2026, 11:04 AM EDT
Withdrawn No phase listed Observational

Gastrointestinal Implications of Voriconazole Exposure

NCT02904434
View directory record Official record
Conditions
Infection
Interventions
Grapefruit Juice
Other
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
2 Years to 17 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 8, 2020 · Synced Sep 2, 2026, 11:04 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Loperamide Grapefruit Juice Interaction PK Trial

NCT00806299
View directory record Official record
Conditions
Drug Interaction
Interventions
Loperamide / Red Grapefruit Juice, Loperamide/ White Grapefruit Juice, Loperamide / Pink Grapefruit Juice
Drug
Lead sponsor
Johnson & Johnson Consumer and Personal Products Worldwide
Industry
Eligibility
18 Years to 59 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Oct 5, 2011 · Synced Sep 2, 2026, 11:04 AM EDT
Completed Not applicable Interventional

Transporter Mediated Uptake of Montelukast

NCT00513760
View directory record Official record
Conditions
Asthma
Interventions
Grapefruit juice, Orange Juice, Gatorade
Dietary Supplement
Lead sponsor
Nemours Children's Clinic
Other
Eligibility
15 Years to 18 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2014
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Feb 9, 2025 · Synced Sep 2, 2026, 11:04 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

The Effect of Low Furanocoumarin Grapefruit Hybrid Juice Consumption on Midazolam Pharmacokinetics

NCT02117869
View directory record Official record
Conditions
Pharmacokinetics
Interventions
Low furanocoumarin hybrid grapefruit juice, Regular grapefruit juice, Water (control)
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 9, 2015 · Synced Sep 2, 2026, 11:04 AM EDT
Completed Phase 1 Interventional

Rapamycin With Grapefruit Juice for Advanced Malignancies

NCT00375245
View directory record Official record
Conditions
Tumors, Neoplasm Metastasis
Interventions
Rapamycin (sirolimus), Grapefruit Juice
Drug · Other
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2012
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 16, 2014 · Synced Sep 2, 2026, 11:04 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the Effect of an Acidic Formulation of Acalabrutinib (ACP-196), Acidic Beverage, or Grapefruit Juice on the Pharmacokinetics (PK) of ACP-196 Alone and Coadministered With Omeprazole

NCT04876807
View directory record Official record
Conditions
Healthy Volunteers
Interventions
ACP-196, Omeprazole
Drug
Lead sponsor
Acerta Pharma BV
Industry
Eligibility
19 Years to 65 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated May 6, 2021 · Synced Sep 2, 2026, 11:04 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

CYP3A4 Activity and Mineral Homeostasis

NCT02019875
View directory record Official record
Conditions
Vitamin D and Calcium Homeostasis
Interventions
Rifampin, Clarithromycin, Grapefruit Juice, Placebo
Drug · Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 60 Years
Enrollment
92 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2020
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 18, 2023 · Synced Sep 2, 2026, 11:04 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Effects of Fruit Juices on Hormone Metabolism

NCT02187328
View directory record Official record
Conditions
Cortisol
Interventions
Grapefruit juice, Apple juice
Other
Lead sponsor
Benedictine University
Other
Eligibility
18 Years to 60 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Lisle, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 10, 2014 · Synced Sep 2, 2026, 11:04 AM EDT
Completed No phase listed Observational

Drug Interaction With Envarsus XR and Grapefruit Juice

NCT03916380
View directory record Official record
Conditions
Kidney Transplant; Complications, Drug Interaction Food
Interventions
Grapefruit Juice
Dietary Supplement
Lead sponsor
Shirley M. Tsunoda
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Apr 8, 2025 · Synced Sep 2, 2026, 11:04 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study Examing The Effect of Grapefruit Juice On The Blood And Urine Samples of Study Drug And Its By Product And Safety

NCT00645216
View directory record Official record
Conditions
Obesity
Interventions
CP-945,598
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 9, 2009 · Synced Sep 2, 2026, 11:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Grapefruit or Grapefruit Juice on Anthropometry, Dietary Intakes, Appetite, and Metabolic Profile in Overweight and Obese Young and Middle-Aged Adults

NCT00581074
View directory record Official record
Conditions
Obesity
Interventions
diet (grapefruit or grapefruit juice)
Behavioral
Lead sponsor
Vanderbilt University
Other
Eligibility
21 Years to 50 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 26, 2011 · Synced Sep 2, 2026, 11:04 AM EDT
Terminated Phase 2 Interventional Results available

Sorafenib in Children and Young Adults With Recurrent or Progressive Low-Grade Astrocytomas

NCT01338857
View directory record Official record
Conditions
neurofibromatosis1 (NF1), Recurrent or Progressive Optic Pathway Gliomas (OPG), Recurrent or Progressive Low-grade Glioma
Interventions
Sorafenib (Nexavar)
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
2 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 16, 2017 · Synced Sep 2, 2026, 11:04 AM EDT
Terminated Phase 2 Interventional Results available

Oral LBH589 in Relapsed or Refractory Chronic Lymphocytic Leukemia (CLL) and Mantle Cell Lymphoma (MCL)

NCT01090973
View directory record Official record
Conditions
Non-Hodgkin's Lymphoma
Interventions
LBH589
Drug
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Dec 15, 2013 · Synced Sep 2, 2026, 11:04 AM EDT
Completed Phase 3 Interventional Results available

Role of Soy Supplementation in Prostate Cancer Development

NCT00255125
View directory record Official record
Conditions
Prostate Neoplasm
Interventions
Soy Supplement, Placebo
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older · Male only
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 17, 2019 · Synced Sep 2, 2026, 11:04 AM EDT
Completed Phase 2 Interventional Results available

Duvelisib Plus Docetaxel In Recurrent/Metastatic HNSCC

NCT05057247
View directory record Official record
Conditions
Squamous Cell Carcinoma of the Head and Neck (SCCHN), Recurrent Squamous Cell Carcinoma of the Head and Neck, Metastatic Head and Neck Cancer, Advanced Head and Neck Cancer, Advanced Head and Neck Squamous Cell Carcinoma
Interventions
Duvelisib, Docetaxel
Drug
Lead sponsor
Glenn J. Hanna
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 30, 2025 · Synced Sep 2, 2026, 11:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Buprenorphine Disposition and CYP3A

NCT01576575
View directory record Official record
Conditions
Healthy
Interventions
Buprenorphine Control, Buprenorphine + Rifampin, Buprenorphine + Grapefruit juice, Buprenorphine + Ketoconazole
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 50 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 21, 2020 · Synced Sep 2, 2026, 11:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Nitrate-rich Fruit and Vegetable Supplement on Blood Pressure

NCT03486145
View directory record Official record
Conditions
High Blood Pressure, Flow Mediated Dilation
Interventions
fruit and vegetable juice supplement, Placebo
Dietary Supplement
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 40 Years
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 2, 2018 · Synced Sep 2, 2026, 11:04 AM EDT