- Conditions
- Cognitive Decline
- Interventions
- 540,000 IU vitamin D3, Placebo
- Drug
- Lead sponsor
- Vanderbilt University Medical Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 95 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2020
- U.S. locations
- 7
- States / cities
- Aurora, Colorado • Boston, Massachusetts • New York, New York + 3 more
Search Results
Search by objective public record fields.
Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.
These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Showing 73–96
of 266
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Depressive Disorder, Major
- Interventions
- Psilocybin, Niacin, Set and Setting (SaS) Protocol
- Drug · Other
- Lead sponsor
- Usona Institute
- Other
- Eligibility
- 21 Years to 65 Years
- Enrollment
- 347 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2022
- U.S. locations
- 11
- States / cities
- San Francisco, California • Santa Monica, California • New Haven, Connecticut + 8 more
- Conditions
- Multiple Myeloma
- Interventions
- All-Trans Retinoic Acid (ATRA) Dose 0, All-Trans Retinoic Acid (ATRA) Dose 1
- Drug
- Lead sponsor
- The Methodist Hospital Research Institute
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 42 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2030
- U.S. locations
- 1
- States / cities
- Houston, Texas
- Conditions
- Skin Irritation
- Interventions
- 4 placebo, 4 Vitamin D, Valchlor
- Dietary Supplement · Drug
- Lead sponsor
- University Hospitals Cleveland Medical Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 33 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2018
- U.S. locations
- 1
- States / cities
- Cleveland, Ohio
- Conditions
- Chronic Kidney Disease, Secondary Hyperparathyroidism, Chronic Renal Insufficiency, Chronic Renal Failure
- Interventions
- CTAP101 Capsules, CTAP101 Injection
- Drug
- Lead sponsor
- OPKO IP Holdings II, Inc.
- Industry
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 28 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009
- U.S. locations
- 12
- States / cities
- Peoria, Arizona • Evergreen Park, Illinois • Springfield, Massachusetts + 9 more
- Conditions
- Hair Thinning
- Interventions
- Nutrafol Vegan Women's Hair Supplement
- Dietary Supplement
- Lead sponsor
- Nutraceutical Wellness Inc.
- Industry
- Eligibility
- 18 Years to 50 Years · Female only
- Enrollment
- 110 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2023
- U.S. locations
- 2
- States / cities
- Manhattan Beach, California • Sacramento, California
- Conditions
- Cardiovascular Risk Factor
- Interventions
- Multicomponent Virtual Lifestyle Intervention
- Behavioral
- Lead sponsor
- Truemedicine Inc
- Other
- Eligibility
- 30 Years to 60 Years
- Enrollment
- 200 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026
- U.S. locations
- 1
- States / cities
- San Francisco, California
- Conditions
- Psoriasis
- Interventions
- Guselkumab, Midazolam, Warfarin, Omeprazole, Dextromethorphan, Caffeine
- Drug
- Lead sponsor
- Janssen Research & Development, LLC
- Industry
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 16 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2016
- U.S. locations
- 8
- States / cities
- Anniston, Alabama • North Hollywood, California • Orlando, Florida + 5 more
- Conditions
- Wrinkle, Skin Pigmentation
- Interventions
- THDA + Acetyl Zingerone Topical Product, THDA
- Other
- Lead sponsor
- Integrative Skin Science and Research
- Industry
- Eligibility
- 30 Years to 65 Years
- Enrollment
- 44 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023
- U.S. locations
- 1
- States / cities
- Sacramento, California
- Conditions
- Post Menopausal Osteoporosis
- Interventions
- Ibandronate [Bonviva/Boniva], Calcium, Vitamin D
- Drug · Dietary Supplement
- Lead sponsor
- Hoffmann-La Roche
- Industry
- Eligibility
- 55 Years to 80 Years · Female only
- Enrollment
- 1,609 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2002 – 2004
- U.S. locations
- 20
- States / cities
- Irvine, California • Loma Linda, California • Los Angeles, California + 17 more
- Conditions
- Osteoporosis
- Interventions
- Teriparatide, Alendronate, Calcium, Vitamin D3
- Drug · Dietary Supplement
- Lead sponsor
- Helen Hayes Hospital
- Other
- Eligibility
- 45 Years to 85 Years · Female only
- Enrollment
- 140 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2005 – 2017
- U.S. locations
- 1
- States / cities
- West Haverstraw, New York
- Conditions
- Health, Subjective, Gastrointestinal Dysfunction, Cardiovascular Risk Factor, Autoimmune Diseases, Dental Diseases, Hormone Disturbance, Neurocognitive Dysfunction
- Interventions
- Supplements and/or medical foods, Behavioral change support program, Food plan
- Dietary Supplement · Behavioral · Other
- Lead sponsor
- Metagenics, Inc.
- Industry
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 400 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018 – 2022
- U.S. locations
- 1
- States / cities
- Gig Harbor, Washington
- Conditions
- Chronic Kidney Disease
- Interventions
- Vitamin D3, Vitamin D2, Placebo
- Dietary Supplement
- Lead sponsor
- Creighton University
- Other
- Eligibility
- 20 Years to 65 Years
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2013
- U.S. locations
- 1
- States / cities
- Omaha, Nebraska
- Conditions
- Hematopoietic Stem Cell Transplant
- Interventions
- Vitamin A
- Dietary Supplement
- Lead sponsor
- Children's Hospital Medical Center, Cincinnati
- Other
- Eligibility
- 1 Year and older
- Enrollment
- 12 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2018
- U.S. locations
- 1
- States / cities
- Cincinnati, Ohio
- Conditions
- Healthy
- Interventions
- Standard Process 21-Day Purification Program
- Dietary Supplement
- Lead sponsor
- Standard Process Inc.
- Industry
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 32 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2024
- U.S. locations
- 1
- States / cities
- West Palm Beach, Florida
- Conditions
- Thinning Hair
- Interventions
- BENEV Exosome Regenerative Complex+
- Other
- Lead sponsor
- Ablon Skin Institute Research Center
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 30 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024 – 2025
- U.S. locations
- 1
- States / cities
- Manhattan Beach, California
- Conditions
- Community-acquired Pneumonia, Influenza, COVID-19
- Interventions
- Ceftriaxone, Moxifloxacin or Levofloxacin, Piperacillin-tazobactam, Ceftaroline, Amoxicillin-clavulanate, Standard course macrolide, Extended course macrolide, No systemic corticosteroid, Fixed-duration Hydrocortisone, Shock-dependent hydrocortisone, Fixed-duration higher dose Hydrocortisone, No antiviral agent for influenza, Five-days oseltamivir, Ten-days oseltamivir, No antiviral agent for COVID-19, Lopinavir / Ritonavir, Hydroxychloroquine, Hydroxychloroquine + lopinavir/ritonavir, Ivermectin, No immune modulation for COVID-19, Interferon beta-1a, Anakinra, Tocilizumab, Sarilumab, Local standard venous thromboprophylaxis, Therapeutic dose anticoagulation, Conventional low dose thromboprophylaxis, Intermediate dose thromboprophylaxis, Continuation of therapeutic dose anticoagulation, No immunoglobulin, Convalescent plasma, Delayed administration of convalescent plasma, No vitamin C, Vitamin C, No antiplatelet, Aspirin, P2Y12 inhibitor, No simvastatin, Simvastatin, Eritoran, Apremilast, Clinician-preferred mechanical ventilation strategy, Protocolised mechanical ventilation strategy, No renin-angiotensin system inhibitor, Angiotensin converting enzyme inhibitor, Angiotensin Receptor Blockers, ARB + DMX-200, No cysteamine, Cysteamine, Fixed-duration dexamethasone, Baloxavir Marboxil, Five-days oseltamivir + baloxavir marboxil, Ten-days oseltamivir + baloxavir marboxil, No endothelial modulator, Imatinib, No Immune Modulator for Influenza, Baricitinib, Nirmatrelvir/ritonavir, Remdesivir, Nirmatrelvir/ritonavir + remdesivir
- Drug · Other · Biological + 1 more
- Lead sponsor
- UMC Utrecht
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 20,000 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2028
- U.S. locations
- 11
- States / cities
- Jacksonville, Florida • Augusta, Georgia • Chicago, Illinois + 8 more
- Conditions
- Breast Cancer
- Interventions
- Raloxifene followed by combination therapy, Exemestane followed by combination therapy
- Drug
- Lead sponsor
- Memorial Sloan Kettering Cancer Center
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 11 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 1999 – 2008
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Adenomatous Polyps
- Interventions
- 0.5 mg calcitriol (1a -25-dihydroxycholecalciferol), 75 mg acetylsalicylic acid (ASA) + 1250 mg calcium carbonate (CaCO3), placebo to 0.5 mg calcitriol (1a -25-dihydroxycholecalciferol), placebo to 75 mg acetylsalicylic acid (ASA) + 1250 mg calcium carbonate (CaCO3), Colonoscopy
- Drug · Procedure
- Lead sponsor
- Colotech A/S
- Industry
- Eligibility
- 40 Years to 75 Years
- Enrollment
- 350 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2010
- U.S. locations
- 24
- States / cities
- Huntsville, Alabama • San Diego, California • Clearwater, Florida + 20 more
- Conditions
- Prostate Cancer, Vitamin D Deficiency, Stress Reaction
- Interventions
- cholecalciferol, Standard of Care Prostate Biopsy - collection of 13th core for RNA-seq, Standard of Care Prostate Biopsies at baseline and after one year vitamin D3 supplementation, Allostatic Load
- Drug · Procedure · Diagnostic Test
- Lead sponsor
- Medical University of South Carolina
- Other
- Eligibility
- 50 Years to 75 Years · Male only
- Enrollment
- 60 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2019 – 2022
- U.S. locations
- 1
- States / cities
- Charleston, South Carolina
- Conditions
- Hypertension
- Interventions
- Inorganic Nitrate
- Dietary Supplement
- Lead sponsor
- University of Virginia
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 12 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024
- U.S. locations
- 1
- States / cities
- Charlottesville, Virginia
- Conditions
- Consumer Behavior, Consumer Preference
- Interventions
- front-of-package modification
- Behavioral
- Lead sponsor
- Harvard School of Public Health (HSPH)
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 5,028 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Secondary Hyperparathyroidism, Chronic Kidney Disease
- Interventions
- Etelcalcetide, Standard of Care
- Drug · Other
- Lead sponsor
- Amgen
- Industry
- Eligibility
- 0 Years to 18 Years
- Enrollment
- 56 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2029
- U.S. locations
- 10
- States / cities
- Los Angeles, California • Aurora, Colorado • Kansas City, Missouri + 7 more
- Conditions
- Accidental Fall
- Interventions
- Gait and balance assessment, Medication review, Comorbidity review, Fall history, Assessment of feet/footwear, Assessment of visual acuity, Home safety risk assessment, Vitamin D Deficiency
- Behavioral
- Lead sponsor
- National Opinion Research Center
- Other
- Eligibility
- 65 Years and older
- Enrollment
- 780 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2023
- U.S. locations
- 1
- States / cities
- Atlanta, Georgia