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Showing 1–24 of 477 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: ABSORPTION Clear all
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study of the Absorption, Distribution, Metabolism and Excretion of LY3039478 in Healthy Participants

NCT02917733
View directory record Official record
Conditions
Healthy
Interventions
LY3039478
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 65 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 27, 2025 · Synced Sep 4, 2026, 2:15 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Radiolabeled [14C]PF-02341066 Study To Investigate The Absorption, Metabolism And Excretion In Healthy Male Volunteers

NCT01082380
View directory record Official record
Conditions
Healthy Volunteer
Interventions
PF-02341066
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 28, 2012 · Synced Sep 4, 2026, 2:15 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Vitamin D Absorbance Study - Clinical Trial of the Absorbance of Nano Liquid D3

NCT04885803
View directory record Official record
Conditions
Vitamin D Deficiency
Interventions
Softgel Vitamin D3, Nano Liquid Vitamin D3, 25(OH)D Blood Serum Test, Placebo Control
Dietary Supplement · Diagnostic Test · Other
Lead sponsor
Inspired Life Medical, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
114 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Le Sueur, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 23, 2021 · Synced Sep 4, 2026, 2:15 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Absorption of Mango in Healthy Individuals

NCT02227615
View directory record Official record
Conditions
Absorption; Chemicals
Interventions
Mango polyphenolics, Sugary beverage
Dietary Supplement
Lead sponsor
Texas A&M University
Other
Eligibility
20 Years to 40 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Oct 17, 2016 · Synced Sep 4, 2026, 2:15 AM EDT
Completed Phase 1 Interventional

Pharmacokinetics of Patupilone After a Single Intravenous Administration in Patients With Advance Solid Tumor Malignancies.

NCT00426140
View directory record Official record
Conditions
Advanced Malignancies, Solid Tumors
Interventions
Patupilone
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2006
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Dec 7, 2020 · Synced Sep 4, 2026, 2:15 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

TD-1211 IV/Oral Mass Balance Study

NCT01702194
View directory record Official record
Conditions
OIC
Interventions
TD-1211 IV [C14], TD-1211 PO [C14]
Drug
Lead sponsor
Glycyx Therapeutics
Industry
Eligibility
18 Years to 50 Years · Male only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Sep 4, 2026, 2:15 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacokinetic Study Investigating the Extent of Paracetamol Absorption From a New Formulation of Paracetamol Compared With Panadol®

NCT01540734
View directory record Official record
Conditions
Healthy Subjects
Interventions
Marketed paracetamol, Experimental paracetamol formulation
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 55 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Nov 23, 2014 · Synced Sep 4, 2026, 2:15 AM 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 1, 2018 · Synced Sep 4, 2026, 2:15 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Assess the Absorption, Metabolism, and Routes of Excretion Following Oral Administration of (14C) Radiolabeled JNJ--42756493 to Healthy Male Participants

NCT02692677
View directory record Official record
Conditions
Healthy
Interventions
JNJ-42756493
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
30 Years to 55 Years · Male only
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 22, 2017 · Synced Sep 4, 2026, 2:15 AM EDT
Terminated Phase 3 Interventional

A Study to Assess the Safety, Tolerability, Effectiveness and Absorption of Exodif™ Tablets in Clostridium Difficile-associated Diarrhea

NCT00466635
View directory record Official record
Conditions
Enterocolitis, Pseudomembranous, Diarrhea, Clostridium Difficile
Interventions
GT267-004 (tolevamer potassium sodium)
Drug
Lead sponsor
Genzyme, a Sanofi Company
Industry
Eligibility
18 Years and older
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
13
States / cities
Modesto, California • Honolulu, Hawaii • Maywood, Illinois + 10 more
Source: ClinicalTrials.gov public record
Updated Mar 18, 2015 · Synced Sep 4, 2026, 2:15 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Absorption Kinetics of Polyphenols in Angel's Plant (Angelica Keiskei)

NCT00721643
View directory record Official record
Conditions
Oxidative Stress
Interventions
Angel's plant (Angelica keiskei)
Dietary Supplement
Lead sponsor
Tufts University
Other
Eligibility
60 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 24, 2017 · Synced Sep 4, 2026, 2:15 AM EDT
Not yet recruiting Not applicable Interventional

Pivotal Study to Assess Safety and Performance of Neola®, a Novel Lung Monitoring Device for Neonates

NCT07060911
View directory record Official record
Conditions
RDS of Prematurity, Preterm Birth, Lung Diseases
Interventions
Lung monitoring with the Neola device
Device
Lead sponsor
Neola Medical Inc
Industry
Eligibility
1 Day to 44 Weeks
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
2
States / cities
Palo Alto, California • Camden, New Jersey
Source: ClinicalTrials.gov public record
Updated Jul 10, 2025 · Synced Sep 4, 2026, 2:15 AM EDT
Not listed Phase 1Phase 2 Interventional Accepts healthy volunteers

Tumescent Lidocaine Maximum Safe mg/kg Dosage

NCT00977028
View directory record Official record
Conditions
Anesthesia
Interventions
Tumescent Local Anesthesia (lidocaine, epinephrine), Liposuction
Drug · Procedure
Lead sponsor
Klein, Jeffrey A., M.D.
Individual
Eligibility
18 Years to 72 Years · Female only
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2011
U.S. locations
1
States / cities
San Juan Capistrano, California
Source: ClinicalTrials.gov public record
Updated Jun 15, 2011 · Synced Sep 4, 2026, 2:15 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study Evaluating The Absorption Of Dimebon Into The Body From A Dimebon Solution Applied To The Skin

NCT00990613
View directory record Official record
Conditions
Alzheimer's Disease, Huntington's Disease
Interventions
Dimebon IR, Dimebon Transdermal
Drug
Lead sponsor
Pfizer
Industry
Eligibility
50 Years to 85 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Kalamazoo, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 2, 2010 · Synced Sep 4, 2026, 2:15 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Enhanced Absorption of curQ+ or Liposomal Curcumin Formulations Versus 95% Curcumin Powder in Healthy Subjects

NCT06177483
View directory record Official record
Conditions
Bioavailability
Interventions
95% curcumin extract powder, curQ+ curcumin formulation, liposomal curcumin formulation
Dietary Supplement
Lead sponsor
ESM Technologies, LLC
Industry
Eligibility
18 Years to 75 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 6, 2026 · Synced Sep 4, 2026, 2:15 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Determination of Pre-Absorptive Dissociation of Zinc From a Zinc Amino Acid Complex in Healthy Men

NCT03934346
View directory record Official record
Conditions
Fractional Zinc Absorption
Interventions
Zinc amino acid complex
Other
Lead sponsor
UCSF Benioff Children's Hospital Oakland
Other
Eligibility
18 Years to 50 Years · Male only
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Jan 21, 2020 · Synced Sep 4, 2026, 2:15 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Glycoprotein Matrix-Bound Iron Improves Iron Absorption

NCT06738199
View directory record Official record
Conditions
Evaluation of Bioavailability of Supplemental Forms of Iron
Interventions
dietary iron supplementation
Dietary Supplement
Lead sponsor
University of Mary Hardin-Baylor
Other
Eligibility
18 Years to 45 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Belton, Texas
Source: ClinicalTrials.gov public record
Updated Dec 16, 2024 · Synced Sep 4, 2026, 2:15 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Bemotrizinol UV Filter Part 1 Clinical PK Evaluation in Topical MUsT Study

NCT04355286
View directory record Official record
Conditions
Absorption; Chemicals, Sunscreening Agents
Interventions
Bemotrizinol
Drug
Lead sponsor
dsm-firmenich Switzerland AG
Industry
Eligibility
18 Years to 75 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
West Bend, Wisconsin
Source: ClinicalTrials.gov public record
Updated Feb 8, 2021 · Synced Sep 4, 2026, 2:15 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Bioavailability of Ubiquinone and Ubiquinol in Older Adults

NCT03020680
View directory record Official record
Conditions
Absorption
Interventions
Coenzyme Q10
Dietary Supplement
Lead sponsor
Tufts University
Other
Eligibility
56 Years to 75 Years · Male only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 22, 2019 · Synced Sep 4, 2026, 2:15 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Effect of Bolus Speed of Rapid-Acting Insulin Analog Absorption and Action in Individuals With Type 1 Diabetes

NCT03542682
View directory record Official record
Conditions
Type1diabetes
Interventions
Quick Bolus, Standard Bolus
Device
Lead sponsor
Yale University
Other
Eligibility
18 Years to 30 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 12, 2024 · Synced Sep 4, 2026, 2:15 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Calcium Absorption in Postmenopausal Thai Women

NCT02291315
View directory record Official record
Conditions
Fractional Calcium Absorption
Interventions
Not listed
Lead sponsor
Cornell University
Other
Eligibility
53 Years to 65 Years · Female only
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Ithaca, New York
Source: ClinicalTrials.gov public record
Updated Nov 13, 2014 · Synced Sep 4, 2026, 2:15 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Single Dose Study Investigating the Absorption and Elimination as Well as the Tolerability of Varenicline Transdermal Delivery System (e.g., a Patch) as Compared to Oral Varenicline in Adult Smokers.

NCT00661765
View directory record Official record
Conditions
Smoking Cessation
Interventions
varenicline tartrate, varenicline free base
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Apr 22, 2009 · Synced Sep 4, 2026, 2:15 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Treatment of Vitamin D Insufficiency

NCT00933244
View directory record Official record
Conditions
Vitamin D Deficiency
Interventions
High Dose Vitamin D3, Low Dose Vitamin D3, Placebo
Dietary Supplement
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
Up to 75 Years · Female only
Enrollment
230 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Nov 9, 2015 · Synced Sep 4, 2026, 2:15 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Surface Refractive Index Shift of Kalifilcon A Compared With Dailies Total1 and Precision1 Lenses

NCT04840563
View directory record Official record
Conditions
Contact Lens Wear
Interventions
kalifilcon A daily disposable spherical soft contact lens, Dailies Total1 (delefilcon A) daily disposable spherical soft contact lens, Precision1 (verofilcon A) daily disposable spherical soft contact lens
Device
Lead sponsor
Bausch & Lomb Incorporated
Industry
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Aug 4, 2026 · Synced Sep 4, 2026, 2:15 AM EDT