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ClinicalTrials.gov public records Last synced Nov 8, 2026, 7:20 PM EST

All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 1,098 matching trials from the live ClinicalTrials.gov search.

Filters: Condition: Physiological Clear all

Conditions: Mild-to-Moderate COVID-19
Interventions: KB109 + Self Supportive Care (SSC), Self Supportive Care (SSC) Alone; Other
Lead sponsor: Kaleido Biosciences; Industry
Eligibility: 18 Years and older
Enrollment: 49 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2021
U.S. locations: 12
States / cities: Cullman, Alabama • Los Angeles, California • Rancho Cucamonga, California + 7 more

Conditions: Meditation
Interventions: Lovingkindness Meditation (LKM), Mindfulness Meditation; Behavioral
Lead sponsor: Barbara L. Fredrickson, PhD; Other
Eligibility: 35 Years to 64 Years
Enrollment: 240 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2014 – 2015
U.S. locations: 1
States / cities: Chapel Hill, North Carolina

Conditions: Erectile Dysfunction, Impotence
Interventions: AMS Penile Prosthesis Devices; Device
Lead sponsor: Boston Scientific Corporation; Industry
Eligibility: 18 Years and older · Male only
Enrollment: 1,457 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2011 – 2018
U.S. locations: 10
States / cities: Homewood, Alabama • Mountain View, California • San Diego, California + 7 more

Conditions: Sickle Red Blood Cell, Fetal Hemoglobin, Oxidative Stress
Interventions: Broccosprouts® (Brassica Protection Products LLC) homogenate; Dietary Supplement
Lead sponsor: Duke University; Other
Eligibility: 18 Years and older
Enrollment: 21 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2012 – 2015
U.S. locations: 1
States / cities: Durham, North Carolina

Conditions: Depression, Sexual Dysfunction
Interventions: Maca Root; Drug
Lead sponsor: Massachusetts General Hospital; Other
Eligibility: 18 Years to 80 Years
Enrollment: 20 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2007 – 2010
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Prostate Cancer, Psychosocial Effects of Cancer and Its Treatment, Radiation Toxicity, Sexual Dysfunction, Sexuality and Reproductive Issues
Interventions: sildenafil citrate, Placebo; Drug · Other
Lead sponsor: Radiation Therapy Oncology Group; Network
Eligibility: 18 Years and older · Male only
Enrollment: 115 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: Started 2003
U.S. locations: 30
States / cities: Concord, California • Inglewood, California • Walnut Creek, California + 23 more

Conditions: Depression, Side Effects, Sexual Dysfunction, Apathy
Interventions: Wellbutrin XL; Drug
Lead sponsor: Indiana University; Other
Eligibility: 18 Years to 60 Years
Enrollment: 15 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2004 – 2007
U.S. locations: 1
States / cities: Indianapolis, Indiana

Conditions: Gastro Esophageal Reflux
Interventions: dexlansoprazole; Drug
Lead sponsor: Northwestern University; Other
Eligibility: 18 Years to 80 Years
Enrollment: 240 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2017 – 2022
U.S. locations: 1
States / cities: Chicago, Illinois

Conditions: Erectile Dysfunction
Interventions: Nitric Oxide, Tadalafil, Placebo; Dietary Supplement · Drug · Other
Lead sponsor: RHA Investments Ltd; Industry
Eligibility: 40 Years to 65 Years · Male only
Enrollment: 20 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2023 – 2024
U.S. locations: 1
States / cities: Charlotte, North Carolina

Conditions: Water Sports
Interventions: Not listed
Lead sponsor: Franklin Pierce University; Other
Eligibility: 18 Years and older · Female only
Enrollment: 12 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2020 – 2021
U.S. locations: 1
States / cities: Rindge, New Hampshire

Conditions: Erectile Dysfunction
Interventions: delivery system; Other
Lead sponsor: Pfizer; Industry
Eligibility: 40 Years to 70 Years · Male only
Enrollment: 48 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2011
U.S. locations: 2
States / cities: Overland Park, Kansas

Conditions: Stress, Psychological, Stress, Emotional, Stress, Physiological
Interventions: Ethnic and Racial Identity Promotion, Academic Skills Promotion; Behavioral
Lead sponsor: Northwestern University; Other
Eligibility: 13 Years to 18 Years
Enrollment: 400 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2017 – 2032
U.S. locations: 3
States / cities: Evanston, Illinois • Niles, Illinois

Conditions: Erectile Dysfunction, Spinal Cord Injuries
Interventions: tadalafil; Drug
Lead sponsor: Eli Lilly and Company; Industry
Eligibility: 18 Years and older · Male only
Enrollment: 180 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2004 – 2005
U.S. locations: 1
States / cities: Indianapolis, Indiana

Conditions: Hemodynamic Measure, Cognitive Performance in Healthy Volunteers
Interventions: Maltodextrin (Placebo), Low dose theacrine, Medium dose theacrine, High dose theacrine; Dietary Supplement
Lead sponsor: Titch Madzima; Other
Eligibility: 18 Years to 40 Years
Enrollment: 19 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2023 – 2024
U.S. locations: 1
States / cities: Elon, North Carolina

Conditions: Aging
Interventions: Exercise; Behavioral
Lead sponsor: Mayo Clinic; Other
Eligibility: 20 Years to 90 Years
Enrollment: 102 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 1995 – 1998
U.S. locations: 1
States / cities: Rochester, Minnesota

Conditions: Stress, Anxiety, Depression
Interventions: Exposure to relaxant and stimulant odors; Behavioral
Lead sponsor: National Center for Complementary and Integrative Health (NCCIH); NIH
Eligibility: 18 Years to 44 Years
Enrollment: 56 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2005 – 2006
U.S. locations: 1
States / cities: Columbus, Ohio

Conditions: Alcohol Dependence, Alcohol Use Disorder
Interventions: XR-NTX+CM (Extended-Release Naltrexone plus Care Management); Drug
Lead sponsor: NYU Langone Health; Other
Eligibility: 18 Years to 80 Years
Enrollment: 50 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2015 – 2019
U.S. locations: 1
States / cities: New York, New York

Conditions: Breast Cancer
Interventions: Breast Cancer Support Group; Behavioral
Lead sponsor: Stanford University; Other
Eligibility: 18 Years and older · Female only
U.S. locations: 3
States / cities: San Francisco, California • Stanford, California • Walnut Creek, California

Conditions: Depressive Disorder, Major, Major Depressive Disorder (MDD)
Interventions: Bupropion Hydrochloride Extended-release, Extended-release Venlafaxine; Drug
Lead sponsor: GlaxoSmithKline; Industry
Eligibility: 18 Years and older
Enrollment: 347 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2004 – 2005
U.S. locations: 45
States / cities: Mesa, Arizona • Phoenix, Arizona • Scottsdale, Arizona + 40 more

Conditions: Hypogonadism
Interventions: TSX-002; Drug
Lead sponsor: TesoRx Pharma, LLC; Industry
Eligibility: 18 Years and older · Male only
Enrollment: 130 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2012 – 2014
U.S. locations: 1
States / cities: Los Angeles, California

Conditions: Eosinophilic Esophagitis
Interventions: CC-93538; Drug
Lead sponsor: Celgene; Industry
Eligibility: 12 Years to 75 Years
Enrollment: 367 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2022 – 2025
U.S. locations: 81
States / cities: Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 72 more

Conditions: Sexual Dysfunction
Interventions: Focus Group, TENDRILS, Questionnaires, Sexual Counseling Sessions; Behavioral
Lead sponsor: M.D. Anderson Cancer Center; Other
Eligibility: 18 Years and older · Female only
Enrollment: 91 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2007 – 2013
U.S. locations: 1
States / cities: Houston, Texas

Conditions: Stress, Job, Student Burnout, Stress, Physiological, Stress, Psychological
Interventions: Osteopathic Manipulative Medicine; Other
Lead sponsor: The Touro College and University System; Other
Eligibility: 18 Years and older
Enrollment: 10 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2023
U.S. locations: 1
States / cities: New York, New York

Conditions: Subarachnoid Hemorrhage, Aneurysmal, Brain Injuries, Traumatic, Cerebral Hemorrhage, Ischemic Stroke, Delayed Emergence From Anesthesia, Encephalopathy
Interventions: Not listed
Lead sponsor: University of Texas Southwestern Medical Center; Other
Eligibility: 18 Years and older
Enrollment: 300 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2027 – 2029
U.S. locations: 1
States / cities: Dallas, Texas

Search by objective public record fields.

A Clinical Study to Assess the Physiologic Effects of KB109 in Patients With COVID-19 on Gut Microbiota Structure and Function

Meditation and Decision Making Study III

PROPPER Prospective Registry of Outcomes With Penile Prosthesis

Effect of Broccoli Sprouts Homogenate on SS RBC

Safety and Effectiveness Study of Maca Root to Treat Antidepressant-Induced Sexual Dysfunction

Sildenafil in Treating Erectile Dysfunction in Patients With Prostate Cancer

Wellbutrin XL Effects on SSRIs Induced Changes

Effectiveness of Physiologic Testing in PPI Non-Responders

The Effects of a Nitrate Supplementation on Erectile Function

Physiological Variables and Rowing Performance.

Caverject User Study

Biology, Identity & Opportunity Study

Efficacy and Safety of Tadalafil in Subjects With Erectile Dysfunction Caused by Spinal Cord Injury

Assessing the Impact of High Theacrine Doses on Hemodynamic Measures

Effect of Exercise Intervention on Various Physiologic Factors That Change With Increasing Age

The Effects of Smell on Mood and Physical Responses

Extended-release Naltrexone and Care Management for Alcohol Dependent Frequent Emergency Department Users

Do Community Cancer Support Groups Reduce Physiological Stress in Women With Primary Breast Cancer?

Sexual Functioning Study With Antidepressants

Oral Testosterone for the Treatment of Hypogonadism

Safety Study of CC-93538 in Adult and Adolescent Participants With Eosinophilic Esophagitis

Female Sexual Dysfunction Intervention

Investigating the Effects of Osteopathic Manipulative Treatment on Stress Management in Medical Students

Prospective Observational Multimodal Neuromonitoring in Adult NSICU Patients