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Showing 1–22 of 22 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: doxercalciferol Clear all
Completed Phase 4 Interventional Results available

Trial to Optimize Mineral Outcomes in Dialysis Patients

NCT01100723
View directory record Official record
Conditions
Secondary Hyperparathyroidism, Chronic Kidney Disease
Interventions
Cinacalcet, active vitamin D analogue
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Lynchburg, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 1, 2017 · Synced Sep 4, 2026, 11:39 PM EDT
Completed Phase 2 Interventional Results available

A Study to Evaluate the Safety and Effectiveness of Doxercalciferol Capsules in Participants With Moderate to Severe Psoriasis

NCT00601107
View directory record Official record
Conditions
Moderate to Severe Chronic Plaque Psoriasis
Interventions
Doxercalciferol, Placebo
Drug
Lead sponsor
Genzyme, a Sanofi Company
Industry
Eligibility
18 Years and older
Enrollment
111 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
19
States / cities
Birmingham, Alabama • Hot Springs, Arizona • Little Rock, Arkansas + 16 more
Source: ClinicalTrials.gov public record
Updated May 4, 2014 · Synced Sep 4, 2026, 11:39 PM EDT
Completed Phase 4 Interventional

Study of Safety and Efficacy of Doxercalciferol in Patients With Chronic Kidney Disease, Stage 3 or 4, and Secondary Hyperparathyroidism

NCT00123461
View directory record Official record
Conditions
Secondary Hyperparathyroidism, Renal Failure, Chronic Renal Insufficiency
Interventions
Hectorol (doxercalciferol capsules), 0.5mcg
Drug
Lead sponsor
Genzyme, a Sanofi Company
Industry
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
17
States / cities
Phoenix, Arizona • Alhambra, California • Riverside, California + 14 more
Source: ClinicalTrials.gov public record
Updated May 4, 2015 · Synced Sep 4, 2026, 11:39 PM EDT
Completed Phase 4 Interventional Results available

Evaluation of the Effectiveness of Paricalcitol Versus Cinacalcet With Low-Dose Vitamin D

NCT00977080
View directory record Official record
Conditions
Chronic Kidney Disease, Secondary Hyperparathyroidism, Hemodialysis
Interventions
Paricalcitol, Cinacalcet
Drug
Lead sponsor
Abbott
Industry
Eligibility
18 Years and older
Enrollment
272 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
30
States / cities
Tempe, Arizona • Chula Vista, California • Los Angeles, California + 22 more
Source: ClinicalTrials.gov public record
Updated Jun 19, 2012 · Synced Sep 4, 2026, 11:39 PM EDT
Withdrawn Phase 4 Interventional

Vitamin D and Carboxy PTH Fragments in Coronary Calcification

NCT00502268
View directory record Official record
Conditions
Coronary Calcification, Endstage Renal Disease, Parathyroid Hormone
Interventions
Doxercalciferol administration, Doxercalciferol administered by 1-84-7-84
Drug
Lead sponsor
Southeast Renal Research Institute
Other
Eligibility
18 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Charlotte, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 22, 2020 · Synced Sep 4, 2026, 11:39 PM EDT
Terminated Phase 3 Interventional Results available

Safety and Efficacy of Hectorol in Pediatric Patients With Chronic Kidney Disease Stage 3 and 4 With Secondary Hyperparathyroidism Not Yet on Dialysis

NCT02859896
View directory record Official record
Conditions
Secondary Hyperparathyroidism-Chronic Kidney Disease
Interventions
Doxercalciferol (GZ427397), Calcitriol
Drug
Lead sponsor
Sanofi
Industry
Eligibility
5 Years to 18 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
21
States / cities
Birmingham, Alabama • Los Angeles, California • Sacramento, California + 17 more
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Sep 4, 2026, 11:39 PM EDT
Completed Phase 1 Interventional

Comparison of I.V. CTAP201 and Doxercalciferol (Hectorol) in Subjects With Chronic Kidney Disease (CKD) and Secondary Hyperparathyroidism (SHPT)

NCT00792857
View directory record Official record
Conditions
Chronic Kidney Disease, Secondary Hyperparathyroidism, Chronic Renal Insufficiency, Chronic Renal Failure
Interventions
CTAP201 Injection, Doxercalciferol
Drug
Lead sponsor
OPKO IP Holdings II, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
6
States / cities
Peoria, Arizona • Springfield, Massachusetts • Cincinnati, Ohio + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 28, 2014 · Synced Sep 4, 2026, 11:39 PM EDT
Completed Phase 2 Interventional

Doxercalciferol Before Surgery in Treating Localized Prostate Cancer

NCT00022412
View directory record Official record
Conditions
Prostate Cancer
Interventions
doxercalciferol, conventional surgery
Dietary Supplement · Procedure
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
21 Years to 120 Years · Male only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2008
U.S. locations
6
States / cities
Iowa City, Iowa • Rochester, New York • Madison, Wisconsin + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 12, 2019 · Synced Sep 4, 2026, 11:39 PM EDT
Terminated Phase 2 Interventional

Study of Docetaxel With Doxercalciferol or Placebo for Advanced Prostate Cancer

NCT00582582
View directory record Official record
Conditions
Prostate Cancer
Interventions
Docetaxel plus doxercalciferol, Docetaxel plus placebo
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older · Male only
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2007
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 12, 2019 · Synced Sep 4, 2026, 11:39 PM EDT
Completed Phase 4 Interventional

A Phase 4 Study to Determine Dosing of Hectorol® Capsules When Converting From Zemplar® Injection

NCT00463021
View directory record Official record
Conditions
Secondary Hyperparathyroidism
Interventions
Hectorol (doxercalciferol capsules), Zemplar (paricalcitol injection)
Drug
Lead sponsor
Genzyme, a Sanofi Company
Industry
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
8
States / cities
Downey, California • Paramount, California • Hudson, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated May 4, 2015 · Synced Sep 4, 2026, 11:39 PM EDT
Completed Phase 4 Interventional

A Phase 4, Conversion Study of Hectorol® Injection to Hectorol® Capsules in Stage 5 CKD Patients on Dialysis

NCT00418600
View directory record Official record
Conditions
Secondary Hyperparathyroidism
Interventions
Hectorol® (doxercalciferol capsules), doxercalciferol capsules, Hectorol®, doxercalciferol capsules, Hectorol® capsules
Drug
Lead sponsor
Genzyme, a Sanofi Company
Industry
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
8
States / cities
Hot Springs, Arkansas • Downey, California • Tarzana, California + 5 more
Source: ClinicalTrials.gov public record
Updated Mar 18, 2015 · Synced Sep 4, 2026, 11:39 PM EDT
Completed Phase 2 Interventional

Doxercalciferol in Treating Patients With Myelodysplastic Syndrome or Chronic Myelomonocytic Leukemia

NCT00052832
View directory record Official record
Conditions
Leukemia, Myelodysplastic Syndromes, Myelodysplastic/Myeloproliferative Diseases
Interventions
doxercalciferol
Dietary Supplement
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 120 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2002
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Nov 18, 2019 · Synced Sep 4, 2026, 11:39 PM EDT
Completed Phase 4 Interventional Results available

A Study of Zemplar® Injection and Hectorol® Injection on Intestinal Absorption of Calcium in Chronic Kidney Disease

NCT00257920
View directory record Official record
Conditions
Chronic Kidney Disease, Stage 5, Secondary Hyperparathyroidism
Interventions
Zemplar® injection, Hectorol® injection
Drug
Lead sponsor
Abbott
Industry
Eligibility
20 Years and older
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2006
U.S. locations
2
States / cities
Bellevue, Nebraska • Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Dec 23, 2009 · Synced Sep 4, 2026, 11:39 PM EDT
Not listed Phase 4 Interventional

How Bone is Made in Children Receiving Dialysis

NCT01799317
View directory record Official record
Conditions
Bone Mineralization Defect
Interventions
Vitamin D2
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
6 Years to 21 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
2
States / cities
Loma Linda, California • Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 25, 2013 · Synced Sep 4, 2026, 11:39 PM EDT
Completed Phase 2Phase 3 Interventional

To Study the Efficacy and Safety of Doxercalciferol on Spinal and Femoral Density in Postmenopausal Osteopenic Women in a Long Term 2 Year Study

NCT07660536
View directory record Official record
Conditions
Osteoporosis (Senile)
Interventions
doxercalciferol capsules, Hectorol®, Matched Placebo (Capsules)
Drug
Lead sponsor
Creighton University
Other
Eligibility
60 Years to 78 Years · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1989 – 1994
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Jun 30, 2026 · Synced Sep 4, 2026, 11:39 PM EDT
Completed Not applicable Interventional Results available

Cholecalciferol Versus Doxercalciferol in the Treatment of Secondary Hyperparathyroidism in Chronic Kidney Disease

NCT00285467
View directory record Official record
Conditions
Renal Osteodystrophy
Interventions
doxercalciferol, Cholecalciferol
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 82 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated May 1, 2016 · Synced Sep 4, 2026, 11:39 PM EDT
Completed Phase 4 Interventional

Pilot Study Evaluating Doxercalciferol Replacement Therapy in Kidney Transplant Recipients

NCT00889629
View directory record Official record
Conditions
Chronic Kidney Disease, Kidney Transplantation
Interventions
Doxercalciferol, placebo, 25-OH Vitamin D3
Drug
Lead sponsor
Mariana Markell
Other
Eligibility
18 Years to 65 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Feb 21, 2019 · Synced Sep 4, 2026, 11:39 PM EDT
Completed Phase 4 Interventional Results available

How Vitamin D Analogues Affect Endothelial Cells in Patients on Dialysis

NCT00528788
View directory record Official record
Conditions
Hyperparathyroidism, Secondary, Kidney Failure, Chronic
Interventions
doxercalciferol
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years to 80 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 21, 2016 · Synced Sep 4, 2026, 11:39 PM EDT
Terminated Phase 1 Interventional

Doxercalciferol in Recurrent Pediatric Solid Tumors

NCT00511017
View directory record Official record
Conditions
Solid Tumors
Interventions
Doxercalciferol
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
2 Years to 26 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 30, 2012 · Synced Sep 4, 2026, 11:39 PM EDT
Completed Phase 4 Interventional

A Phase 4 Pharmacokinetic Study of Hectorol Injection and Zemplar Injection in CKD Subjects on Hemodialysis

NCT00454350
View directory record Official record
Conditions
Secondary Hyperparathyroidism
Interventions
Hectorol (doxercalciferol injection), Zemplar (Paricalcitol injection)
Drug
Lead sponsor
Genzyme, a Sanofi Company
Industry
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated May 4, 2015 · Synced Sep 4, 2026, 11:39 PM EDT
Completed Phase 4 Interventional

The Role of Vitamin D in Immune Function in Patients With Chronic Kidney Disease (CKD) Stages 3 and 4.

NCT00749736
View directory record Official record
Conditions
Chronic Kidney Disease
Interventions
cholecalciferol, doxercalciferol, placebo
Dietary Supplement
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Mar 28, 2013 · Synced Sep 4, 2026, 11:39 PM EDT
Terminated Phase 4 Interventional Results available

Mineral Metabolism and Vascular Effects of Vitamin D Therapy in Kidney Transplant Patients

NCT00646282
View directory record Official record
Conditions
Hyperparathyroidism, Secondary
Interventions
doxercalciferol
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 25, 2015 · Synced Sep 4, 2026, 11:39 PM EDT