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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Absorption Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of the Absorption, Metabolism, and Excretion of [14C]-Fosgonimeton (ATH-1017)

NCT05511558
View directory record Official record
Conditions
Healthy Volunteers
Interventions
[14C]-Fosgonimeton
Drug
Lead sponsor
LeonaBio
Industry
Eligibility
18 Years to 60 Years · Male only
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 21, 2022 · Synced Jun 7, 2026, 3:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Absorption of Zinc (Zn) From Zn-biofortified and Zn-fortified Maize in Young Zambian Children Between 24-36 Months

NCT02208635
View directory record Official record
Conditions
Nutritional Deficiency
Interventions
Biofortified Maize, Fortified Maize, Control Maize
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
24 Months to 36 Months
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 27, 2016 · Synced Jun 7, 2026, 3:02 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Assess the Effect of Food on the Absorption and Bioavailability of PBI-200

NCT05160389
View directory record Official record
Conditions
Food Effect in Healthy Volunteers
Interventions
PBI-200
Drug
Lead sponsor
Pyramid Biosciences
Industry
Eligibility
18 Years to 55 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Springfield, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 26, 2022 · Synced Jun 7, 2026, 3:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Gastric pH and Anthocyanin Absorption

NCT01122160
View directory record Official record
Conditions
Anthocyanin Metabolism
Interventions
omeprazole, placebo
Drug
Lead sponsor
USDA Beltsville Human Nutrition Research Center
Federal
Eligibility
22 Years to 59 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Beltsville, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 22, 2013 · Synced Jun 7, 2026, 3:02 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Ethnic Differences in Iron Absorption (FeGenes)

NCT04198545
View directory record Official record
Conditions
Anemia, Iron Deficiency, Iron Overload
Interventions
Not listed
Lead sponsor
Cornell University
Other
Eligibility
18 Years to 50 Years
Enrollment
515 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2025
U.S. locations
2
States / cities
Ithaca, New York • Rochester, New York
Source: ClinicalTrials.gov public record
Updated Aug 5, 2025 · Synced Jun 7, 2026, 3:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Pilot Study of the Effect of Dietary Fat Type and Amount on Vitamin D3 Absorption

NCT01508845
View directory record Official record
Conditions
Vitamin D Deficiency
Interventions
cholecalciferol
Dietary Supplement
Lead sponsor
Tufts University
Other
Eligibility
50 Years and older
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 20, 2014 · Synced Jun 7, 2026, 3:02 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study of the Absorption, Metabolism, and Excretion of [14C]-Tebipenem Pivoxil Hydrobromide (TBPM-PI-HBr) Following a Single Oral Dose in Healthy Male Subjects

NCT04625855
View directory record Official record
Conditions
Healthy Volunteers
Interventions
TBPM-PI-HBr
Drug
Lead sponsor
Spero Therapeutics
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Nov 11, 2020 · Synced Jun 7, 2026, 3:02 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 28, 2024 · Synced Jun 7, 2026, 3:02 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Evaluate Absorption, Metabolism and Excretion of Single-dose [14C]-Saroglitazar in Healthy Male Subjects

NCT04112446
View directory record Official record
Conditions
Healthy
Interventions
Saroglitazar magnesium
Drug
Lead sponsor
Zydus Therapeutics Inc.
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 Nov 12, 2019 · Synced Jun 7, 2026, 3:02 PM EDT
Completed Not applicable Interventional Results available

Vitamin D Absorption in HIV Infected Young Adults Being Treated With Tenofovir Containing cART

NCT01751646
View directory record Official record
Conditions
HIV Infection
Interventions
Vitamin D3 50,000 IU, Vitamin D3 placebo
Dietary Supplement
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
16 Years to 24 Years
Enrollment
214 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
16
States / cities
Los Angeles, California • Washington D.C., District of Columbia • Fort Lauderdale, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated Mar 26, 2019 · Synced Jun 7, 2026, 3:02 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Ability of a Tea Leaf Extracts Preparation to Slow Down Carbohydrate and Fat Absorption

NCT00262145
View directory record Official record
Conditions
Diabetes, Overweight
Interventions
tea extracts
Drug
Lead sponsor
NatureGen
Industry
Eligibility
18 Years to 60 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 5, 2005 · Synced Jun 7, 2026, 3:02 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Determine the Absorption, Metabolism, and Excretion of [14C]LX4211 in Healthy Male Subjects

NCT01818232
View directory record Official record
Conditions
Healthy
Interventions
[14C]-LX4211
Drug
Lead sponsor
Lexicon Pharmaceuticals
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jun 17, 2013 · Synced Jun 7, 2026, 3:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Method To Measure Protein Digestion & Absorption

NCT02065141
View directory record Official record
Conditions
Chronic Heart Failure, Pulmonary Disorder, Chronic Obstructive
Interventions
sip feeding with stable isotope infusion
Other
Lead sponsor
Texas A&M University
Other
Eligibility
20 Years and older
Enrollment
74 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Feb 6, 2022 · Synced Jun 7, 2026, 3:02 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Characterization Of The Effect Of Food On Palbociclib (PD-0332991) Absorption

NCT01904747
View directory record Official record
Conditions
Healthy
Interventions
Palbociclib administered Fasted, Palbociclib administered Fed high calorie, Palbociclib administered Fed low calorie, Palbociclib administered Fed moderate calorie
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 16, 2013 · Synced Jun 7, 2026, 3:02 PM 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 Jun 7, 2026, 3:02 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of Calderasib (MK-1084) Human Absorption, Distribution, Metabolism, and Excretion in Healthy Adult Participants (MK-1084-006)

NCT06687759
View directory record Official record
Conditions
Healthy
Interventions
[14C]Calderasib
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
2024
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced Jun 7, 2026, 3:02 PM EDT
Completed Not applicable Interventional Results available

Mechanisms of Glucose Lowering Effect of Colesevelam HCl

NCT00596427
View directory record Official record
Conditions
Diabetes
Interventions
Colesevelam HCL, Placebo
Drug
Lead sponsor
Carine Beysen
Industry
Eligibility
30 Years to 70 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
3
States / cities
Walnut Creek, California • Miami, Florida • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Oct 11, 2012 · Synced Jun 7, 2026, 3:02 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 6, 2024 · Synced Jun 7, 2026, 3:02 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Impact of Formulation on Ciprofloxacin Oral Absorption

NCT00992329
View directory record Official record
Conditions
Healthy
Interventions
ciprofloxacin
Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 55 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 5, 2020 · Synced Jun 7, 2026, 3:02 PM 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 Jun 7, 2026, 3:02 PM EDT
Completed Phase 1 Interventional

An Absorption, Distribution, Metabolism and Excretion (ADME) Study of Single Oral Dose [14C] GSK2118436 in Subjects With BRAF Mutant Solid Tumors

NCT01262963
View directory record Official record
Conditions
Cancer
Interventions
GSK2118436
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
1
States / cities
Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Nov 12, 2017 · Synced Jun 7, 2026, 3:02 PM EDT
Completed Not applicable Interventional Results available

Calcium Absorption in Patients With Rothmund-Thomson Syndrome

NCT01304407
View directory record Official record
Conditions
Rothmund-Thomson Syndrome
Interventions
Calcium stable isotope
Other
Lead sponsor
Baylor College of Medicine
Other
Eligibility
4 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 22, 2020 · Synced Jun 7, 2026, 3:02 PM EDT
Suspended No phase listed Observational

Compounded Pain Preparation Absorption Study

NCT02205229
View directory record Official record
Conditions
Pain
Interventions
Multi-ingredient, topical compounded medications
Drug
Lead sponsor
Medimix Specialty Pharmacy, LLC
Industry
Eligibility
30 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated May 17, 2015 · Synced Jun 7, 2026, 3:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Food Matrix Effect on Flavanol Absorption, Metabolism and Excretion: Methylxanthines

NCT03526107
View directory record Official record
Conditions
Healthy
Interventions
CF Control, CF-Theobromine, CF-Caffeine
Other
Lead sponsor
University of California, Davis
Other
Eligibility
25 Years to 60 Years · Male only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
2
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Oct 9, 2022 · Synced Jun 7, 2026, 3:02 PM EDT