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Showing 1–24 of 468 matching trials from the live ClinicalTrials.gov search.
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Completed Not applicable Interventional Accepts healthy volunteers

Effects of Ashwagandha Extract (Capsule KSM-66 300 mg) on Sexual Health in Healthy Women

NCT05831241
View directory record Official record
Conditions
Sexual Health
Interventions
Ashwagandha, Placebo
Dietary Supplement · Other
Lead sponsor
SF Research Institute, Inc.
Network
Eligibility
18 Years to 55 Years · Female only
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 10, 2025 · Synced Sep 6, 2026, 1:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Powdered Tart Cherries on Recovery From Repeated Sprints

NCT06122038
View directory record Official record
Conditions
Inflammation, Oxidative Stress, Soreness, Muscle, Muscle Damage
Interventions
Tart Cherry Extract Powder, Placebo
Dietary Supplement
Lead sponsor
Lindenwood University
Other
Eligibility
18 Years to 35 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Saint Charles, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 12, 2026 · Synced Sep 6, 2026, 1:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

RCT of an Oral Acne Supplement for Adult Women

NCT06097871
View directory record Official record
Conditions
Acne
Interventions
Skin Nutraceutical Supplement, Placebo pill
Dietary Supplement · Other
Lead sponsor
Nutraceutical Wellness Inc.
Industry
Eligibility
18 Years to 50 Years · Female only
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
High Point, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 24, 2024 · Synced Sep 6, 2026, 1:37 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Physical Activity Modifies Exercise Responsiveness

NCT07792967
View directory record Official record
Conditions
Multimorbidity
Interventions
SLIMM - Sit less, interact, move more, PB125
Behavioral · Dietary Supplement
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
60 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027 – 2031
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Sep 6, 2026, 1:37 AM EDT
Completed Phase 2 Interventional

Ginkgo Biloba: Antidepressant-Induced Sexual Dysfunction

NCT00034021
View directory record Official record
Conditions
Hypoactive Sexual Desire Disorder, Sexual Dysfunctions, Psychological
Interventions
Ginkgo Biloba, Sex Therapy (genital focus)
Drug · Behavioral
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
18 Years to 65 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2004
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Aug 17, 2006 · Synced Sep 6, 2026, 1:37 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Safety and Tolerability of 2 Dietary Supplement Beverages Designed to Maintain Healthy Blood Pressure.

NCT06442293
View directory record Official record
Conditions
Safety Issues, Tolerance
Interventions
Treatment 1, Treatment 2, Placebo
Dietary Supplement
Lead sponsor
USANA Health Sciences
Industry
Eligibility
18 Years to 50 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jun 3, 2024 · Synced Sep 6, 2026, 1:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Acute and Chronic Effects of Fruit Polyphenols on Chronic Disease (PPF)

NCT01729949
View directory record Official record
Conditions
Nutritional and Metabolic Disease, Overweight
Interventions
Active Treatment Beverage, Placebo Treatment Beverage
Dietary Supplement
Lead sponsor
Clinical Nutrition Research Center, Illinois Institute of Technology
Industry
Eligibility
40 Years to 65 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2018
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 26, 2021 · Synced Sep 6, 2026, 1:37 AM EDT
Withdrawn Phase 3 Interventional Accepts healthy volunteers

A Study to Evaluate the Efficacy of Xlear vs. Placebo for Acute COVID-19 Infection

NCT04858620
View directory record Official record
Conditions
Covid19
Interventions
Xlear Nasal Spray, Placebo
Drug
Lead sponsor
Larkin Community Hospital
Other
Eligibility
18 Years to 90 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Oct 15, 2023 · Synced Sep 6, 2026, 1:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Pomegranate on Aging and Inflammation of the Skin

NCT02258776
View directory record Official record
Conditions
Skin Photoaging, Inflammation and Skin Pathogenic Bacteria
Interventions
Pomegranate Extract, Pomegranate Juice, Placebo
Dietary Supplement
Lead sponsor
University of California, Los Angeles
Other
Eligibility
30 Years to 45 Years · Female only
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 28, 2017 · Synced Sep 6, 2026, 1:37 AM EDT
Completed Phase 2 Interventional Results available

A Phase II Study of PDC-1421 Capsule to Evaluate the Safety and Efficacy in Patients With Major Depressive Disorder

NCT02395978
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
PDC-1421 Capsule, placebo
Drug
Lead sponsor
BioLite, Inc.
Industry
Eligibility
20 Years to 65 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 21, 2021 · Synced Sep 6, 2026, 1:37 AM EDT
Terminated Phase 3 Interventional Results available

A Phase III Trial of HMPL-004 in Patients With Mild to Moderate Active Ulcerative Colitis

NCT01805791
View directory record Official record
Conditions
Ulcerative Colitis
Interventions
HMPL-004 1800 mg/day, Placebo, HMPL-004 2400 mg/day
Drug
Lead sponsor
Hutchison Medipharma Limited
Industry
Eligibility
18 Years to 75 Years
Enrollment
201 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Agawam, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 1, 2020 · Synced Sep 6, 2026, 1:37 AM EDT
Recruiting Phase 1Phase 2 Interventional

Protective Effects of the Nutritional Supplement Sulforaphane on Doxorubicin-Associated Cardiac Dysfunction

NCT03934905
View directory record Official record
Conditions
Anthracycline Related Cardiotoxicity in Breast Cancer
Interventions
sulforaphane, Placebo Oral Tablet
Drug
Lead sponsor
Texas Tech University Health Sciences Center
Other
Eligibility
18 Years to 89 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2029
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Jun 28, 2026 · Synced Sep 6, 2026, 1:37 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Oral Bacterial Extract for the Prevention of Wheezing Lower Respiratory Tract Illness

NCT02148796
View directory record Official record
Conditions
Asthma, Wheezing
Interventions
Broncho-Vaxom (BV), Placebo
Drug · Other
Lead sponsor
University of Arizona
Other
Eligibility
6 Months to 18 Months
Enrollment
822 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2026
U.S. locations
11
States / cities
Phoenix, Arizona • Tucson, Arizona • Oakland, California + 8 more
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Sep 6, 2026, 1:37 AM EDT
Completed Phase 1 Interventional

Sublingual Immunotherapy Studies for Grass and Dust Mite Allergies

NCT01529437
View directory record Official record
Conditions
Allergies, Allergic Rhinitis, Asthma
Interventions
sublingual immunotherapy, placebo sublingual immunotherapy
Drug
Lead sponsor
Stanford University
Other
Eligibility
5 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2014
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Nov 25, 2015 · Synced Sep 6, 2026, 1:37 AM EDT
Completed Not applicable Interventional

The Effect of Methylated Vitamin B Complex on Depression

NCT01672372
View directory record Official record
Conditions
Depression
Interventions
Max Stress B, Placebo Max Stress B
Dietary Supplement
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Aug 5, 2014 · Synced Sep 6, 2026, 1:37 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Effect of ZenRest™ Lotus Seed & Rice Germ Extract Blend on Sleep Quality in Menopausal Women

NCT07678359
View directory record Official record
Conditions
Sleep Quality, Menopause
Interventions
Lotus Seed & Rice Germ Extract, Placebo
Dietary Supplement · Other
Lead sponsor
Nutraland USA, Inc.
Industry
Eligibility
40 Years to 65 Years · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 30, 2026 · Synced Sep 6, 2026, 1:37 AM EDT
Recruiting Phase 2 Interventional

Curcumin to Improve Inflammation and Symptoms in Patients With Clonal Cytopenia of Undetermined Significance, Low Risk Myelodysplastic Syndrome, and Myeloproliferative Neoplasms

NCT06063486
View directory record Official record
Conditions
Clonal Cytopenia of Undetermined Significance, Essential Thrombocythemia, Myelodysplastic Syndrome, Myelofibrosis, Polycythemia Vera
Interventions
Biospecimen Collection, Bone Marrow Aspiration, Bone Marrow Biopsy, Curcumin/ Demethoxycurcumin/Bisdemethoxycurcumin-containing Supplement, Piperine Extract (Standardized), Placebo Administration, Questionnaire Administration
Procedure · Dietary Supplement · Drug + 1 more
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
2
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 26, 2026 · Synced Sep 6, 2026, 1:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

FlaxFx, A Research Study of the Effects of Flaxseed Lignans on Colon Health

NCT01619020
View directory record Official record
Conditions
Healthy
Interventions
Flaxseed Lignans
Dietary Supplement
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
20 Years to 45 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 12, 2017 · Synced Sep 6, 2026, 1:37 AM EDT
Completed No phase listed Interventional Accepts healthy volunteers Results available

Efficacy of Arnica Montana in Reducing Postoperative Edema and Pain

NCT03944629
View directory record Official record
Conditions
Arnica, Third Molar Extraction
Interventions
SinEcch, Placebo
Drug · Other
Lead sponsor
Tufts University
Other
Eligibility
18 Years to 40 Years
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 28, 2026 · Synced Sep 6, 2026, 1:37 AM EDT
Terminated Early Phase 1 Interventional Results available

Fermented Wheat Germ Extract in Women With Ovarian Cancer

NCT02411565
View directory record Official record
Conditions
Ovarian Cancer
Interventions
Fermented Wheat Germ Extract (FWGE), Placebo, Standard of Care: Planned Surgery, Quality of Life (QoL) Surveys: FACT-O
Drug · Other
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Jan 22, 2019 · Synced Sep 6, 2026, 1:37 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Evaluation of Plant-based Nutritional Products on Stem Cells

NCT03388073
View directory record Official record
Conditions
Stem Cell Mobilization, Hematopoietic Stem Cell Mobilization, Stem Cell Homing
Interventions
Berry extract I, Berry Extract II, Berry extract blend, Placebo
Other
Lead sponsor
Natural Immune Systems Inc
Other
Eligibility
20 Years to 75 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Klamath Falls, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 12, 2019 · Synced Sep 6, 2026, 1:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of 7 Days of Grape Seed Extract Supplementation on Cold Pressor Test and Muscle Metaboreflex in Individuals With Elevated and Stage 1 Hypertension

NCT06428890
View directory record Official record
Conditions
Prehypertension
Interventions
Grape Seed Extract, Placebo
Dietary Supplement
Lead sponsor
California Baptist University
Other
Eligibility
18 Years to 30 Years · Male only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Riverside, California
Source: ClinicalTrials.gov public record
Updated May 23, 2024 · Synced Sep 6, 2026, 1:37 AM EDT
Completed Not applicable Interventional

Flax Lignans and Heart Health

NCT01314586
View directory record Official record
Conditions
Hypercholesterolemia
Interventions
secoisolariciresinol diglucoside-containing extract of flaxseed
Dietary Supplement
Lead sponsor
Iowa State University
Other
Eligibility
40 Years to 65 Years
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Ames, Iowa
Source: ClinicalTrials.gov public record
Updated Mar 13, 2011 · Synced Sep 6, 2026, 1:37 AM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers Results available

Desensitization and Cross-Desensitization During Oral Grass or Ragweed Pollen Immunotherapy

NCT02676765
View directory record Official record
Conditions
Immunologic Desensitization
Interventions
allergen extract tablet, Placebo tablet
Drug
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 17, 2022 · Synced Sep 6, 2026, 1:37 AM EDT