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Showing 1–24 of 149 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Medication Reaction Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

Variability in Adrenergic Response

NCT00838695
View directory record Official record
Conditions
Vascular Reaction to Medications
Interventions
Phenylephrine
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 40 Years
Enrollment
106 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 25, 2018 · Synced Sep 12, 2026, 1:47 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

An Open-label Study to Evaluate the Effects of Concurrent Administration of Vaginal Antimycotic Medication Miconazole Nitrate on the Pharmacokinetics of Nestorone and Ethinyl Estradiol Delivered by a Contraceptive Vaginal Ring in Normal Ovulating Women

NCT02215395
View directory record Official record
Conditions
Antifungal Drug Adverse Reaction
Interventions
NES/EE CVR
Drug
Lead sponsor
Population Council
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Springfield, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 14, 2017 · Synced Sep 12, 2026, 1:47 AM EDT
Recruiting Phase 1 Interventional

Mitigating the Pro-inflammatory Phenotype of Obesity

NCT04934228
View directory record Official record
Conditions
Blood Pressure, Diabetes, Obesity, Insulin Resistance, Diuretics Drug Reactions, Sympathetic Nerve Activity
Interventions
Hydrochlorothiazide 12.5Mg Tab, Clonidine Pill, Placebo
Drug
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years to 79 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jun 4, 2025 · Synced Sep 12, 2026, 1:47 AM EDT
Completed No phase listed Observational

YouScript IMPACT Registry

NCT02191358
View directory record Official record
Conditions
Adverse Drug Events, Adverse Drug Reactions, Drug Interaction Potentiation, Drug Metabolism, Poor, CYP2D6-RELATED, Drug Metabolism, Poor, CYP2C19-RELATED, Cytochrome P450 Enzyme Deficiency, Cytochrome P450 CYP2D6 Enzyme Deficiency, Cytochrome P450 CYP2C9 Enzyme Deficiency, Cytochrome P450 CYP2C19 Enzyme Deficiency, Cytochrome P450 CYP3A Enzyme Deficiency, Poor Metabolizer Due to Cytochrome P450 CYP2C9 Variant, Poor Metabolizer Due to Cytochrome P450 CYP2C19 Variant, Poor Metabolizer Due to Cytochrome P450 CYP2D6 Variant
Interventions
Not listed
Lead sponsor
Genelex Corporation
Industry
Eligibility
65 Years and older
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
7
States / cities
Garden Grove, California • Denver, Colorado • Lexington, Kentucky + 3 more
Source: ClinicalTrials.gov public record
Updated Feb 28, 2017 · Synced Sep 12, 2026, 1:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Balance and Anti-Epileptic Drugs

NCT03338478
View directory record Official record
Conditions
Epilepsy
Interventions
Wii Balance Board
Diagnostic Test
Lead sponsor
Erik J. Kobylarz
Other
Eligibility
16 Years to 55 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Aug 5, 2018 · Synced Sep 12, 2026, 1:47 AM EDT
Recruiting Phase 3 Interventional

Melatonin for Prevention of Kidney Injury

NCT05084196
View directory record Official record
Conditions
Acute Kidney Injury, Adverse Drug Event
Interventions
Melatonin, Placebo Capsule
Drug · Other
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 75 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
2
States / cities
New Brunswick, New Jersey • Somerville, New Jersey
Source: ClinicalTrials.gov public record
Updated Dec 16, 2025 · Synced Sep 12, 2026, 1:47 AM EDT
Recruiting Phase 2 Interventional

Optimizing the Diagnostic Approach to Cephalosporin Allergy Testing

NCT06406114
View directory record Official record
Conditions
Drug Allergy, Cephalosporin Allergy, Drug Hypersensitivity, Antibiotic Allergy, Beta Lactam Adverse Reaction, Drug-Induced Anaphylaxis, Cephalosporin Reaction
Interventions
Beta-lactam antibiotic (cefazolin, cefuroxime, cefotaxime, ceftazidime, ceftriaxone, cefepime, pre-pen, penicillin G, ampicillin, and histamine) double-blind skin testing, Culprit cephalosporin (cefazolin, ceftazidime, ceftriaxone, cefepime, cephalexin, cefaclor, cefadroxil, cefuroxime, cefpodoxime, cefdinir, or cefixime) double-blind placebo-controlled drug challenge, Similar cephalosporin (cefepime, ceftriaxone, cefaclor, cephalexin, cefixime, or cefdinir) antibiotic double-blind placebo-controlled drug challenge, Dissimilar cephalosporin (ceftriaxone or cefazolin) antibiotic double-blind placebo-controlled drug challenge, Amoxicillin double-blind placebo-controlled drug challenge
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
6
States / cities
Scottsdale, Arizona • San Francisco, California • Boston, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Sep 12, 2026, 1:47 AM EDT
Completed Phase 2 Interventional Results available

Effect of Varenicline on Fixed-Dose Alcohol Administration in Participants With Alcohol Use Disorders

NCT01000987
View directory record Official record
Conditions
Alcohol Reactivity
Interventions
varenicline, placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2016
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 18, 2018 · Synced Sep 12, 2026, 1:47 AM EDT
Not listed No phase listed Observational

Simulation of Risk of Adverse Drug Events Associated With the Initiation of Drugs Repurposed for the Treatment of COVID-19 in Adults With Polypharmacy Using Data From Large Medicare and Commercially Insured Populations

NCT04378881
View directory record Official record
Conditions
COVID, Drug Effect, Drug Interaction, Adverse Drug Event
Interventions
Not listed
Lead sponsor
Tabula Rasa HealthCare
Industry
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Sep 1, 2022 · Synced Sep 12, 2026, 1:47 AM EDT
Completed Early Phase 1 Interventional

Studies of Sulfur Metabolism in Humans

NCT03383133
View directory record Official record
Conditions
Metabolic Side Effects of Drugs
Interventions
SULT Allosteric Inhibition
Drug
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
61 Years to 61 Years · Male only
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Oct 26, 2023 · Synced Sep 12, 2026, 1:47 AM EDT
Withdrawn No phase listed Observational

Implementation of a Pharmacist-led Pharmacogenomic Clinical Service

NCT04984538
View directory record Official record
Conditions
Adverse Drug Event, Drug Drug Interaction, Pharmacogenomics, Elderly
Interventions
Pharmacogenomic Testing
Other
Lead sponsor
Tabula Rasa HealthCare
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Jan 31, 2023 · Synced Sep 12, 2026, 1:47 AM EDT
Not listed Not applicable Interventional

Improving Geriatric Drug Safety in Underserved Practices

NCT00277173
View directory record Official record
Conditions
Cardiovascular Diseases
Interventions
Adoption of Crew Resource Management approach
Behavioral
Lead sponsor
Agency for Healthcare Research and Quality (AHRQ)
Federal
Eligibility
65 Years and older
Enrollment
4,800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2006
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Jan 15, 2006 · Synced Sep 12, 2026, 1:47 AM EDT
Completed No phase listed Observational

Pharmacogenomic Analysis in Pediatric Acute Lymphoblastic Leukemia

NCT04770922
View directory record Official record
Conditions
Acute Lymphoblastic Leukemia, Pediatric, Adverse Drug Event
Interventions
Not listed
Lead sponsor
Cipherome, Inc.
Industry
Eligibility
Up to 21 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Feb 15, 2023 · Synced Sep 12, 2026, 1:47 AM EDT
Completed Not applicable Interventional

Improving Wisely - Polypharmacy

NCT03857100
View directory record Official record
Conditions
Adverse Drug Event
Interventions
Audit and feedback - letter and report
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
Not listed
Enrollment
11,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 22, 2021 · Synced Sep 12, 2026, 1:47 AM EDT
Completed Phase 2 Interventional

Safety and Effectiveness of a Three-Drug Combination Treatment for Recently Infected or Converted HIV Patients

NCT00007202
View directory record Official record
Conditions
HIV Infections
Interventions
Atazanavir, Stavudine, Didanosine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2006
U.S. locations
4
States / cities
Denver, Colorado • Atlanta, Georgia • Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 31, 2021 · Synced Sep 12, 2026, 1:47 AM EDT
Completed Not applicable Interventional Results available

Pharmacogenetic Testing Among Home Health Patients

NCT02378220
View directory record Official record
Conditions
Adverse Drug Events, Adverse Drug Reactions, Drug Interaction Potentiation, Drug Metabolism, Poor, CYP2D6-RELATED, Drug Metabolism, Poor, CYP2C19-RELATED, Cytochrome P450 Enzyme Deficiency, Cytochrome P450 CYP2D6 Enzyme Deficiency, Cytochrome P450 CYP2C9 Enzyme Deficiency, Cytochrome P450 CYP2C19 Enzyme Deficiency, Cytochrome P450 CYP3A Enzyme Deficiency, Poor Metabolizer Due to Cytochrome P450 CYP2C9 Variant, Poor Metabolizer Due to Cytochrome p450 CYP2C19 Variant, Poor Metabolizer Due to Cytochrome P450 CYP2D6 Variant
Interventions
Pharmacogenetic testing
Genetic
Lead sponsor
Genelex Corporation
Industry
Eligibility
50 Years and older
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Searcy, Arkansas
Source: ClinicalTrials.gov public record
Updated Sep 19, 2019 · Synced Sep 12, 2026, 1:47 AM EDT
Active, not recruiting Early Phase 1 Interventional

Improving Pain Management Via Spinal Cord Stimulation and Blood Pressure Reduction

NCT04676399
View directory record Official record
Conditions
Chronic Pain, Hypertension, Diuretics Drug Reactions, SCS
Interventions
Hydrochlorothiazide 12.5mg, Placebo
Drug
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
40 Years to 79 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Sep 12, 2026, 1:47 AM EDT
Completed No phase listed Observational

Capturing Parkinson's Disease Medication Side Effects During Daily Activities

NCT01429207
View directory record Official record
Conditions
Parkinson's Disease, Dyskinesia
Interventions
Not listed
Lead sponsor
Great Lakes NeuroTechnologies Inc.
Industry
Eligibility
18 Years to 90 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2011
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jun 28, 2012 · Synced Sep 12, 2026, 1:47 AM EDT
Completed No phase listed Observational

Simulation of Risk of Adverse Drug Events Associated With the Initiation of Drugs Repurposed for the Treatment of COVID-19 in Frail Elderly Adults With Polypharmacy

NCT04339634
View directory record Official record
Conditions
COVID, Drug Effect, Drug Interaction, Adverse Drug Event
Interventions
Simulation of Repurposed Drugs for COVID-19
Other
Lead sponsor
Tabula Rasa HealthCare
Industry
Eligibility
55 Years and older
Enrollment
12,873 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Jan 30, 2023 · Synced Sep 12, 2026, 1:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

CARESS: An Investigation of Effects of CARESS

NCT03758027
View directory record Official record
Conditions
Craving, Self Efficacy, Affective; Reaction, Substance Abuse
Interventions
CARESS, Isometric Exercise
Behavioral
Lead sponsor
Inova Health Care Services
Other
Eligibility
18 Years and older
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Fairfax, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 16, 2020 · Synced Sep 12, 2026, 1:47 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

A Study of Chlorhexidine in the Prevention of HIV-1 Transmission From Mothers to Their Babies

NCT00006075
View directory record Official record
Conditions
HIV Infections
Interventions
Chlorhexidine gluconate
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
Not listed
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Ends 2007
U.S. locations
1
States / cities
Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 29, 2008 · Synced Sep 12, 2026, 1:47 AM EDT
Terminated Not applicable Interventional Results available

Determining the Impact of a Medication Delivery Unit on Medication Adherence of Adults With Common Cardiac Conditions

NCT01600677
View directory record Official record
Conditions
Medication Adherence, Medication Nonadherence, Adverse Reaction to Drug
Interventions
Computerized medication delivery unit, Usual care
Device · Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 25, 2016 · Synced Sep 12, 2026, 1:47 AM EDT
Completed Not applicable Interventional Results available

Implementation of Real-time ADE Surveillance and Decision Support

NCT00780572
View directory record Official record
Conditions
Adverse Drug Events
Interventions
ADE alert assistant
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
595 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Dec 20, 2015 · Synced Sep 12, 2026, 1:47 AM EDT
Completed Phase 3 Interventional

NATIENS: Optimal Management and Mechanisms of SJS/TEN

NCT02987257
View directory record Official record
Conditions
Stevens-Johnson Syndrome, Toxic Epidermal Necrolyses
Interventions
Harmonized supportive care, Etanercept 50 mg sc day 1 and day 4
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
14
States / cities
Phoenix, Arizona • Sacramento, California • Washington D.C., District of Columbia + 11 more
Source: ClinicalTrials.gov public record
Updated Dec 16, 2025 · Synced Sep 12, 2026, 1:47 AM EDT