Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 26, 2026, 3:46 AM EDT

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Showing 1–7 of 7 matching trials from the live ClinicalTrials.gov search.
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Conditions
Sleep Disorder, Healthy
Interventions
Sleep Fragmentation, Within-Subject test of blinded study medication (stimulant, benzodiazepine, opioid, cannabinoid, over-the-counter pain medication, or placebo), Sleep Continuity Disruption, Undisturbed Sleep
Behavioral · Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 48 Years
Enrollment
148 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Abortion, Induced, Cervical Preparation, Pain
Interventions
Gabapentin 600mg, Placebo oral capsule, acetaminophen/codeine and ibuprofen
Drug
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older · Female only
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Sacramento, California
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Opioid Analgesic Reduction Study

NCT04452344
Conditions
Opioid Use
Interventions
opioid-containing analgesic, two over-the-counter analgesics
Drug
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years and older
Enrollment
1,815 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
5
States / cities
Chicago, Illinois • Baltimore, Maryland • Ann Arbor, Michigan + 2 more
Conditions
Crohn's Disease (CD), Dysmenorrhea Primary
Interventions
Acetaminophen, Ibuprofen
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Gastrointestinal Safety Evaluation of Two Over the Counter Analgesics

NCT01822665
Conditions
Gastrointestinal Mucosal Damage
Interventions
Ibuprofen, Paracetamol, Placebo
Drug · Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 60 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Houston, Texas
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Individual Differences in Placebo Analgesic Effects

NCT04669093
Conditions
Healthy
Interventions
Placebo cream- "promotion" suggestion, Placebo cream- "prevention" suggestion, Control cream
Behavioral
Lead sponsor
Trustees of Dartmouth College
Other
Eligibility
18 Years to 55 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Hanover, New Hampshire
Completed No phase listed Observational Accepts healthy volunteers

Investigation of Efficacy of Improved Acetaminophen Labeling

NCT01592448
Conditions
Acetaminophen Overdose, Pain
Interventions
Active Ingredient Icon
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 80 Years
Enrollment
662 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
4
States / cities
Atlanta, Georgia • Chicago, Illinois