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ClinicalTrials.gov public records Last synced Oct 22, 2026, 5:56 PM EDT

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Showing 1–24 of 481 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Absorption Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

Radiolabel ADME (Absorption, Distribution, Metabolism, and Excretion) Study Of [14C] PF-00868554 In Healthy Adult Male Subjects

NCT00823745
View directory record Official record
Conditions
HCV
Interventions
[14C]-PF-00868554
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 45 Years · Male only
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Mar 9, 2009 · Synced Oct 22, 2026, 5:56 PM EDT
Completed Phase 4 Interventional

Comparison of Absorption of Vitamin D in Cystic Fibrosis

NCT01880346
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Vitamin D Powder, Vitamin D Oil
Dietary Supplement
Lead sponsor
Emory University
Other
Eligibility
18 Years to 59 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Nov 20, 2015 · Synced Oct 22, 2026, 5:56 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Bioavailability of Apixaban Sprinkle Compared to Apixaban Capsules

NCT03509883
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Drug: Apixaban sprinkle capsules, Experimental: Apixaban tablets followed by apixaban sprinkle capsules
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 45 Years
Enrollment
94 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jan 23, 2020 · Synced Oct 22, 2026, 5:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Clinical Study to Compare the Effect of an Oral Rehydration Solution on the Rate of Absorption of Functional Ingredients

NCT06524674
View directory record Official record
Conditions
Absorption, Pharmacokinetic
Interventions
Hydration Multiplier + Energy, Hydration Multiplier + Sleep, Energy Comp, Sleep Comp
Dietary Supplement · Other
Lead sponsor
Liquid I.V.
Other
Eligibility
18 Years to 55 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Raritan, New Jersey
Source: ClinicalTrials.gov public record
Updated Jul 29, 2024 · Synced Oct 22, 2026, 5:56 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Genetic Variants and Iron Absorption

NCT02197624
View directory record Official record
Conditions
Iron Absorption
Interventions
Not listed
Lead sponsor
Cornell University
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Ithaca, New York
Source: ClinicalTrials.gov public record
Updated Jul 23, 2014 · Synced Oct 22, 2026, 5:56 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of [14C]Ulonivirine ([14C]MK-8507) in Healthy Adults (MK-8507-006)

NCT07334886
View directory record Official record
Conditions
Healthy
Interventions
[14C]Ulonivirine
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jan 12, 2026 · Synced Oct 22, 2026, 5:56 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Excipient Effect on Drug Absorption in Humans

NCT04534153
View directory record Official record
Conditions
The Impact of Excipients on Drug Absorption
Interventions
Fexofenadine Hydrochloride without sodium lauryl sulfate, Fexofenadine Hydrochloride with sodium lauryl sulfate
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 64 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Nov 18, 2025 · Synced Oct 22, 2026, 5:56 PM EDT
Not yet recruiting Not applicable Interventional

Probiotic Milk Drink for Gut and Brain Health in Older Adults and Caregivers

NCT07800195
View directory record Official record
Conditions
Alzheimer Disease Related Dementia
Interventions
Probiotic Fermented Milk (PFM) Drink, Placebo
Dietary Supplement
Lead sponsor
University of South Florida
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Oct 22, 2026, 5:56 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Galactooligosaccharide (GOS) Supplementation and Calcium Absorption in Girls

NCT01263847
View directory record Official record
Conditions
Osteoporosis
Interventions
Galactooligosaccharide
Dietary Supplement
Lead sponsor
Purdue University
Other
Eligibility
10 Years to 12 Years · Female only
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated May 9, 2018 · Synced Oct 22, 2026, 5:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of OptiCreatine on Plasma Creatine and Gastrointestinal Effects in Males and Females

NCT07225335
View directory record Official record
Conditions
Creatine Absorption in Healthy Adults
Interventions
OptiCreatine, Creatine Monohydrate
Dietary Supplement
Lead sponsor
TSI Group LTD
Industry
Eligibility
18 Years to 45 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 12, 2026 · Synced Oct 22, 2026, 5:56 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of the Safety, Tolerability, and Absorption, Metabolism, and Excretion of PA-824 in Healthy Adult Male Subjects.

NCT03202693
View directory record Official record
Conditions
Tuberculosis
Interventions
PA-824
Drug
Lead sponsor
Global Alliance for TB Drug Development
Other
Eligibility
19 Years to 50 Years · Male only
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Aug 2, 2018 · Synced Oct 22, 2026, 5:56 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Trial to Study the Absorption, Metabolism, and Excretion of [14C]-Praliciguat in Healthy Male Volunteers

NCT03818295
View directory record Official record
Conditions
Healthy Volunteers
Interventions
[14C]-praliciguat
Drug
Lead sponsor
Cyclerion Therapeutics
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jun 19, 2019 · Synced Oct 22, 2026, 5:56 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Assess Pharmacokinetic Interaction of Multiple Dose Ketoconazole on Single Dose YM178 Oral Controlled Absorption System (OCAS) in Healthy Adult Volunteers

NCT01476800
View directory record Official record
Conditions
Healthy Subjects, Pharmacokinetics of YM178
Interventions
YM178 OCAS, Ketoconazole
Drug
Lead sponsor
Astellas Pharma Inc
Industry
Eligibility
19 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Sep 1, 2015 · Synced Oct 22, 2026, 5:56 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the Absorption, Metabolism, and Excretion of Orally Administered [14C]-BMS-986368 in Healthy Male Participants

NCT06227975
View directory record Official record
Conditions
Healthy Volunteers
Interventions
[14C]-BMS-986368
Drug
Lead sponsor
Celgene
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 13, 2024 · Synced Oct 22, 2026, 5:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Brassica Intake and Isothiocyanate Absorption

NCT02346812
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Controlled diet without brassica vegetables, Controlled diet with brassica vegetables
Other
Lead sponsor
USDA Beltsville Human Nutrition Research Center
Federal
Eligibility
21 Years to 70 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Beltsville, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 30, 2015 · Synced Oct 22, 2026, 5:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Absorption, Metabolism and Excretion of Apigenin and Apigenin Glycosides

NCT03526081
View directory record Official record
Conditions
Healthy
Interventions
Chamomile Tea, Parsley based drink, Parsley Yogurt, Apigenin, Parsley-based drink (II)
Other
Lead sponsor
University of California, Davis
Other
Eligibility
25 Years to 60 Years · Male only
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
2
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated May 23, 2019 · Synced Oct 22, 2026, 5:56 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Energy Metabolism and Nutrient Absorption in Lean and Obese Individuals

NCT00414063
View directory record Official record
Conditions
Obesity
Interventions
Not listed
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 45 Years · Male only
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2013
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Dec 17, 2019 · Synced Oct 22, 2026, 5:56 PM EDT
Terminated Phase 2 Interventional Results available

Assess the Potential for Adrenal Suppression and Systemic Drug Absorption Following Multiple Dosing With DFD-06

NCT03179605
View directory record Official record
Conditions
Psoriasis
Interventions
DFD06
Drug
Lead sponsor
Primus Pharmaceuticals
Industry
Eligibility
6 Years to 17 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
9
States / cities
Madera, California • Santa Ana, California • Hialeah, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Mar 7, 2024 · Synced Oct 22, 2026, 5:56 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Comparing Absorption of Dietary Phosphorus When Administering FOSRENOL® or RENVELA® in Healthy Adult Volunteers

NCT00875017
View directory record Official record
Conditions
Kidney Failure, Chronic
Interventions
Lanthanum Carbonate, Sevelamer
Drug
Lead sponsor
Shire
Industry
Eligibility
18 Years to 45 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Cypress, California
Source: ClinicalTrials.gov public record
Updated Jun 15, 2021 · Synced Oct 22, 2026, 5:56 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study Evaluating The Absorption Of Varenicline Into The Body From A Varenicline Solution And A Varenicline Patch Applied To The Skin

NCT00774605
View directory record Official record
Conditions
Smoking Cessation
Interventions
Varenicline free base solution, Varenicline free base patch
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 26, 2009 · Synced Oct 22, 2026, 5:56 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Investigate the Absorption, Metabolism, Excretion, and Mass Balance of GC4419 in Healthy Adult Subjects

NCT03163173
View directory record Official record
Conditions
Healthy Volunteers, Healthy
Interventions
GC4419
Drug
Lead sponsor
Galera Therapeutics, Inc.
Industry
Eligibility
19 Years to 55 Years · Male only
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Nov 17, 2017 · Synced Oct 22, 2026, 5:56 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Determine the Effect of a High-Fat Meal on the Rate and Extent of E2006 Absorption in Healthy Subjects

NCT02089412
View directory record Official record
Conditions
Healthy Subjects
Interventions
E2006
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Nov 3, 2015 · Synced Oct 22, 2026, 5:56 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study Assessing Ocular and Systemic Safety of AR-13324 in Healthy Volunteers

NCT01997879
View directory record Official record
Conditions
Healthy
Interventions
AR-13324 Ophthalmic Solution, 0.02%
Drug
Lead sponsor
Aerie Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Aug 22, 2023 · Synced Oct 22, 2026, 5:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Lorazepam, Diphenhydramine Hydrochloride, and Haloperidol Gel in Healthy Volunteers

NCT01204255
View directory record Official record
Conditions
Healthy
Interventions
lorazepam, diphenhydramine hydrochloride, haloperidol, questionnaire administration, laboratory biomarker analysis
Drug · Other
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Nov 17, 2017 · Synced Oct 22, 2026, 5:56 PM EDT