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ClinicalTrials.gov public records Last synced Oct 17, 2026, 11:14 AM EDT

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Showing 1–24 of 92 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: calcitriol Clear all
Completed Phase 2 Interventional Results available

Efficacy and Safety Study of CD 2027 Spray in Subjects With Plaque-type Psoriasis

NCT00763555
View directory record Official record
Conditions
Psoriasis
Interventions
CD 2027, Calcitriol Vehicle
Drug
Lead sponsor
Galderma R&D
Industry
Eligibility
18 Years and older
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
2
States / cities
Fridley, Minnesota • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 23, 2022 · Synced Oct 17, 2026, 11:14 AM EDT
Terminated Early Phase 1 Interventional

Vitamin D and Cocaine Administration

NCT04826133
View directory record Official record
Conditions
Cocaine Use Disorder
Interventions
Calcitriol, Placebo
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
30 Years to 55 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 14, 2023 · Synced Oct 17, 2026, 11:14 AM EDT
Terminated Phase 2Phase 3 Interventional

Intervention Using Vitamin D for Elevated Urinary Albumin Treated With Losartan in Diabetes (IDEAL)

NCT02410005
View directory record Official record
Conditions
Diabetic Nephropathies
Interventions
Calcitriol, Losartan
Dietary Supplement · Drug
Lead sponsor
Weill Cornell Medical College in Qatar
Other
Eligibility
21 Years to 80 Years
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 15, 2017 · Synced Oct 17, 2026, 11:14 AM EDT
Completed Phase 2 Interventional

Bone Response to Enzyme Replacement in Gaucher's Disease

NCT00001416
View directory record Official record
Conditions
Gaucher's Disease
Interventions
CEREDASE™
Drug
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
Not listed
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1993 – 2000
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 22, 2016 · Synced Oct 17, 2026, 11:14 AM EDT
Completed Not applicable Interventional Results available

Impact of Vitamin D Therapies on Chronic Kidney Disease

NCT01222234
View directory record Official record
Conditions
Chronic Kidney Disease (CKD), End-stage Renal Disease (ESRD)
Interventions
Cholecalciferol - CKD, Calcitriol - CKD, Cholecalciferol - non-CKD
Drug · Device
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
21 Years to 90 Years
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated May 16, 2016 · Synced Oct 17, 2026, 11:14 AM EDT
Completed Phase 4 Interventional Results available

Long Term Safety and Efficacy Study of Calcitriol 3 mcg/g Ointment in Pediatric Subjects With Plaque Psoriasis

NCT02125279
View directory record Official record
Conditions
Psoriasis Vulgaris
Interventions
Calcitriol
Drug
Lead sponsor
Galderma R&D
Industry
Eligibility
2 Years to 16 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
8
States / cities
Fort Smith, Arkansas • Rogers, Arkansas • Burbank, California + 5 more
Source: ClinicalTrials.gov public record
Updated Feb 18, 2021 · Synced Oct 17, 2026, 11:14 AM EDT
Completed Phase 4 Interventional Results available

Maintain Respiratory Muscle Function and Reduce Pneumonia Risk in Cancer Patients

NCT03469271
View directory record Official record
Conditions
Cancer
Interventions
1,25 (OH)2 D3, Inspiratory isometric resistance training, Oral Placebo, Sham Inspiratory Isometric Resistance Training, Threshold Inspiratory Muscle Trainer (IMT)
Drug · Other · Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 26, 2023 · Synced Oct 17, 2026, 11:14 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Tumor Necrosis Factor Decreases Vitamin D Dependant Calcium Absorption

NCT00427804
View directory record Official record
Conditions
Rheumatoid Arthritis, Crohn's Disease
Interventions
calcitriol
Drug
Lead sponsor
Atlanta VA Medical Center
Federal
Eligibility
18 Years to 50 Years · Male only
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 4, 2013 · Synced Oct 17, 2026, 11:14 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Study to Evaluate Vectical in Combination With Clobex Spray to Treatment Plaque Psoriasis

NCT01205880
View directory record Official record
Conditions
Psoriasis
Interventions
Calcitriol ointment, Clobetasol spray
Drug
Lead sponsor
Emer, Jason, M.D.
Individual
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 21, 2010 · Synced Oct 17, 2026, 11:14 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

Phase I/II Calcitriol in Lung Cancer

NCT00794547
View directory record Official record
Conditions
Non Small Cell Lung Cancer
Interventions
Calcitriol
Drug
Lead sponsor
University of Michigan Rogel Cancer Center
Other
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
4
States / cities
Ann Arbor, Michigan • Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Dec 12, 2017 · Synced Oct 17, 2026, 11:14 AM EDT
Withdrawn Not applicable Interventional

hCAP18 Levels and Vitamin D Deficiency in Chronic Kidney Disease

NCT01026363
View directory record Official record
Conditions
Chronic Kidney Disease, Vitamin D Deficiency
Interventions
Ergocalciferol, Calcitriol
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 23, 2015 · Synced Oct 17, 2026, 11:14 AM EDT
Completed Phase 1 Interventional

A New Formulation of Calcitriol (DN-101) in Patients With Advanced Malignancies

NCT00055263
View directory record Official record
Conditions
Neoplasms
Interventions
DN-101
Drug
Lead sponsor
Novacea
Industry
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2002
U.S. locations
2
States / cities
Buffalo, New York • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jul 28, 2009 · Synced Oct 17, 2026, 11:14 AM EDT
Completed Phase 1 Interventional Results available

Compound 31543 (Calcitriol, USP) in Patients Receiving Taxane-based Chemotherapy Regimens for the Treatment of Chemotherapy-Induced Alopecia

NCT01588522
View directory record Official record
Conditions
Chemotherapy-Induced Alopecia
Interventions
Compound 31543 Calcitriol 5 μg/mL, Compound 31543 Calcitriol 10 μg/mL, Compound 31543 Calcitriol 20 μg/mL, Compound 31543 Calcitriol 40 μg/mL, Compound 31543 Calcitriol 60 ug/mL, Compound 31543 Calcitriol 80 μg/mL
Drug
Lead sponsor
BPGbio
Industry
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
2
States / cities
Los Angeles, California • New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 17, 2026 · Synced Oct 17, 2026, 11:14 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Comparative Effectiveness of Vitamin D and Repletion Strategies

NCT01524874
View directory record Official record
Conditions
Hypovitaminosis D, Insulin Resistance, Diabetes
Interventions
Vitamin D3
Dietary Supplement
Lead sponsor
Bastyr University
Other
Eligibility
18 Years to 65 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
2
States / cities
Kailua-Kona, Hawaii • Kenmore, Washington
Source: ClinicalTrials.gov public record
Updated Feb 2, 2012 · Synced Oct 17, 2026, 11:14 AM EDT
Completed Early Phase 1 Interventional Results available

Calcitriol Monotherapy for X-Linked Hypophosphatemia

NCT03748966
View directory record Official record
Conditions
X-linked Hypophosphatemia, Hypophosphatemic Rickets, Hypophosphatemic Rickets, X-Linked Dominant
Interventions
Calcitriol
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
3 Years to 70 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Oct 17, 2026, 11:14 AM EDT
Completed Phase 4 Interventional Results available

Evaluate Safety/Efficacy of Two Treatment Regimens for Vectical™ Ointment & Clobex® Spray for Moderate Plaque Psoriasis

NCT00988637
View directory record Official record
Conditions
Plaque Psoriasis
Interventions
Vectical™ Ointment weekdays and Clobex® Spray weekends regimen, Clobex® Spray morning and Vectical™ Ointment evening regimen
Drug
Lead sponsor
Galderma R&D
Industry
Eligibility
18 Years to 80 Years
Enrollment
138 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
5
States / cities
Los Angeles, California • San Diego, California • Evansville, Indiana + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 1, 2022 · Synced Oct 17, 2026, 11:14 AM EDT
Not listed Phase 2Phase 3 Interventional

ASCENT: Androgen Independent Prostate Cancer Study of Calcitriol Enhancing Taxotere

NCT00043576
View directory record Official record
Conditions
Prostate Cancer
Interventions
calcitriol, docetaxel
Drug
Lead sponsor
Novacea
Industry
Eligibility
18 Years and older · Male only
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
52
States / cities
Montgomery, Alabama • Scottsdale, Arizona • Tucson, Arizona + 44 more
Source: ClinicalTrials.gov public record
Updated Mar 12, 2009 · Synced Oct 17, 2026, 11:14 AM EDT
Terminated Phase 2 Interventional

Calcitriol in Preventing Prostate Cancer in Patients With Prostatic Intraepithelial Neoplasia

NCT00118066
View directory record Official record
Conditions
Precancerous/Nonmalignant Condition, Prostate Cancer
Interventions
calcitriol, observation
Dietary Supplement · Procedure
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years and older · Male only
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2011
U.S. locations
5
States / cities
East Brunswick, New Jersey • Morristown, New Jersey • New Brunswick, New Jersey + 1 more
Source: ClinicalTrials.gov public record
Updated May 27, 2015 · Synced Oct 17, 2026, 11:14 AM EDT
Terminated Phase 1 Interventional

Calcitriol, Cisplatin, and Gemcitabine Hydrochloride in Treating Patients With Advanced Solid Tumors That Cannot Be Removed by Surgery

NCT01093092
View directory record Official record
Conditions
Adult Solid Neoplasm
Interventions
Calcitriol, Cisplatin, Gemcitabine Hydrochloride, Pharmacological Study
Dietary Supplement · Drug · Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
2
States / cities
Buffalo, New York • Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 12, 2016 · Synced Oct 17, 2026, 11:14 AM EDT
Completed Phase 4 Interventional Results available

PK and PD Study of Calcitriol 3 mcg/g Ointment in Pediatric Subjects With Plaque Psoriasis

NCT01766440
View directory record Official record
Conditions
Plaque Psoriasis
Interventions
Calcitriol 3 mcg/g ointment
Drug
Lead sponsor
Galderma R&D
Industry
Eligibility
2 Years to 12 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
8
States / cities
San Diego, California • Indianapolis, Indiana • Ann Arbor, Michigan + 5 more
Source: ClinicalTrials.gov public record
Updated Feb 18, 2021 · Synced Oct 17, 2026, 11:14 AM EDT
Completed Phase 2 Interventional

Pharmacokinetic (PK) and Pharmacodynamic (PD) Study of CD 2027 Spray in Adults With Plaque-type Psoriasis

NCT00763503
View directory record Official record
Conditions
Plaque-type Psoriasis
Interventions
CD 2027
Drug
Lead sponsor
Galderma R&D
Industry
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
3
States / cities
Hot Springs, Arizona • Austin, Texas • Bryan, Texas
Source: ClinicalTrials.gov public record
Updated Feb 18, 2021 · Synced Oct 17, 2026, 11:14 AM EDT
Active, not recruiting Phase 2 Interventional

DePTH: De-emphasize PTH

NCT06288451
View directory record Official record
Conditions
Kidney Failure, Chronic, Chronic Kidney Disease-Mineral and Bone Disorder
Interventions
Oral calcitriol with cinacalcet rescue, IV activated vitamin D
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 2, 2025 · Synced Oct 17, 2026, 11:14 AM EDT
Terminated Phase 3 Interventional

Chemoprevention of Colorectal Adenomas

NCT00486512
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Sep 3, 2020 · Synced Oct 17, 2026, 11:14 AM EDT
Terminated Phase 4 Interventional

Evaluate the Survival Benefits of Zemplar Versus Calcijex in Subjects w/ Stage V Chronic Kidney Disease on Hemodialysis

NCT00062699
View directory record Official record
Conditions
End-Stage Kidney Disease
Interventions
Zemplar (paricalcitol injection), Calcijex
Drug
Lead sponsor
Abbott
Industry
Eligibility
20 Years and older
Enrollment
2,200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2003
U.S. locations
60
States / cities
Tuscaloosa, Alabama • Inglewood, California • Los Angeles, California + 40 more
Source: ClinicalTrials.gov public record
Updated Aug 2, 2006 · Synced Oct 17, 2026, 11:14 AM EDT