Vitamin D for Prostate Endocrine Therapy

NCT ID: NCT05838716

Last Updated: 2026-01-15

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

PHASE3

Total Enrollment

240 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-12-14

Study Completion Date

2029-04-29

Brief Summary

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This phase III trial tests whether high-dose vitamin D works in treating androgen-deprivation therapy (ADT)-induced bone loss in patients with prostate cancer who are undergoing androgen-deprivation therapy. Vitamins are substances that the body needs to grow and develop normally. Vitamin D helps the body absorb calcium. Calcium is one of the main building blocks of bone. A lack of vitamin D can lead to bone diseases such as osteoporosis or rickets. This trial may help researchers determine if high-dose vitamin D helps keep bones strong, lowers number of falls, and lessens fatigue in men getting androgen-deprivation therapy.

Detailed Description

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PRIMARY OBJECTIVES:

I. To evaluate the effect of high-dose vitamin D (HDVD) supplementation in prostate cancer patients on ADT-induced bone mineral density loss in the total hip over 52 weeks as measured by dual-energy x-ray absorptiometry (DXA).

II. To evaluate the effect of HDVD supplementation in prostate cancer patients on ADT-induced bone mineral density loss in the femoral neck, distal radius, and lumbar spine (L1-L4) over 52 weeks as measured by DXA.

SECONDARY OBJECTIVES:

I. To evaluate the effect of HDVD supplementation on falls over 52 weeks as measured by the Falls History questionnaire.

II. To evaluate the effect of HDVD supplementation on fractures over 52 weeks as determined by the Clinical Record Information - Follow-up Form.

III. To evaluate the effect of HDVD supplementation on quality of life over 52 weeks as measured by the Functional Assessment of Cancer Therapy- Prostate (FACT-P).

EXPLORATORY OBJECTIVE:

I. To evaluate the effect of HDVD supplementation on pain, fatigue, sleep, and activities of daily living over 52 weeks as measured by patient-reported outcomes.

OUTLINE: After undergoing collection of blood and DXA scan, patients are randomized to 1 of 2 arms.

ARM I: Patients receive HDVD orally (PO) once a week (QW) for 52 weeks. Patients also undergo collection of blood and DXA scan on study.

ARM II: Patients receive placebo PO QW for 52 weeks. Patients also undergo collection of blood and DXA scan on study.

Conditions

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Stage I Prostate Cancer AJCC v8 Stage II Prostate Cancer AJCC v8 Stage III Prostate Cancer AJCC v8 Stage IVA Prostate Cancer AJCC v8

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

SUPPORTIVE_CARE

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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Arm I (HDVD)

Patients receive HDVD PO QW for 52 weeks. Patients also undergo collection of blood and DXA scan on study.

Group Type EXPERIMENTAL

Biospecimen Collection

Intervention Type PROCEDURE

Undergo collection of blood

D Vitamin

Intervention Type DIETARY_SUPPLEMENT

Given PO

Dual X-ray Absorptiometry

Intervention Type PROCEDURE

Undergo DXA scan

Quality-of-Life Assessment

Intervention Type OTHER

Ancillary studies

Questionnaire Administration

Intervention Type OTHER

Ancillary studies

Arm II (placebo)

Patients receive placebo PO QW for 52 weeks. Patients also undergo collection of blood and DXA scan on study.

Group Type PLACEBO_COMPARATOR

Biospecimen Collection

Intervention Type PROCEDURE

Undergo collection of blood

Dual X-ray Absorptiometry

Intervention Type PROCEDURE

Undergo DXA scan

Placebo Administration

Intervention Type DRUG

Given PO

Quality-of-Life Assessment

Intervention Type OTHER

Ancillary studies

Questionnaire Administration

Intervention Type OTHER

Ancillary studies

Interventions

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Biospecimen Collection

Undergo collection of blood

Intervention Type PROCEDURE

D Vitamin

Given PO

Intervention Type DIETARY_SUPPLEMENT

Dual X-ray Absorptiometry

Undergo DXA scan

Intervention Type PROCEDURE

Placebo Administration

Given PO

Intervention Type DRUG

Quality-of-Life Assessment

Ancillary studies

Intervention Type OTHER

Questionnaire Administration

Ancillary studies

Intervention Type OTHER

Other Intervention Names

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Biological Sample Collection Biospecimen Collected Specimen Collection 3-[2-[7a-methyl-1-(1,4,5-trimethylhex-2-enyl)-1,2,3,3a,5,6,7,7a-octahydroinden-4-ylidene]ethylidene]-4-methylidene-cyclohexan-1-ol Vitamin D Vitamin D Compound Vitamin-D BMD scan bone mineral density scan DEXA DEXA (Bone Density) DEXA Scan dual energy x-ray absorptiometric scan Dual Energy X-ray Absorptiometry Dual X-Ray Absorptometry DXA DXA SCAN Quality of Life Assessment

Eligibility Criteria

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Inclusion Criteria

* Be diagnosed with Stage I-IV prostate cancer without metastases to bone (lymph node involvement and prior diagnosis of a primary cancer is allowed)
* Be age 50 years or older
* Be starting ADT or have received their first ADT treatment in the past 6 months, with a total of at least 6 planned months of treatment (both luteinizing hormone-releasing hormone \[LHRH\] antagonists and LHRH agonists are permitted)
* Have a total serum vitamin D between 10 and 32 ng/ml
* Have a total serum calcium of less than or equal to 10.5 mg/dl
* Have a normal GFR (glomerular filtration rate \> 30ml)
* Agree not to take calcium and/or vitamin D supplements for the duration of the intervention other than those provided by the study
* Be able to provide written informed consent
* Be able to swallow pills and capsules
* Be able to speak and read English

Exclusion Criteria

* Have long term (greater than 3 months) use of any pharmacologic bone-modifying agent including but not limited to oral or intravenous (IV) bisphosphonates, denosumab, or teriparatide prior to enrollment
* Have a diagnosis of stage IV chronic kidney disease
* Have a diagnosis of grade II or greater hypercalcemia (serum calcium greater than 11.5 mg/dl)
* Have a history of hypercalcemia or vitamin D toxicity/sensitivity
Minimum Eligible Age

50 Years

Eligible Sex

MALE

Accepts Healthy Volunteers

No

Sponsors

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National Cancer Institute (NCI)

NIH

Sponsor Role collaborator

University of Rochester

OTHER

Sponsor Role lead

Responsible Party

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Luke Peppone

URCC Study Chair

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Luke J Peppone

Role: PRINCIPAL_INVESTIGATOR

University of Rochester NCORP Research Base

Locations

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Helen F Graham Cancer Center

Newark, Delaware, United States

Site Status RECRUITING

Medical Oncology Hematology Consultants PA

Newark, Delaware, United States

Site Status RECRUITING

Carle at The Riverfront

Danville, Illinois, United States

Site Status RECRUITING

Cancer Care Specialists of Illinois - Decatur

Decatur, Illinois, United States

Site Status RECRUITING

Carle Physician Group-Effingham

Effingham, Illinois, United States

Site Status RECRUITING

Carle Physician Group-Mattoon/Charleston

Mattoon, Illinois, United States

Site Status RECRUITING

Cancer Care Center of O'Fallon

O'Fallon, Illinois, United States

Site Status RECRUITING

Carle Cancer Center

Urbana, Illinois, United States

Site Status RECRUITING

University of Kansas Cancer Center

Kansas City, Kansas, United States

Site Status RECRUITING

University of Kansas Cancer Center-Overland Park

Overland Park, Kansas, United States

Site Status RECRUITING

University of Kansas Health System Saint Francis Campus

Topeka, Kansas, United States

Site Status RECRUITING

University of Kansas Hospital-Westwood Cancer Center

Westwood, Kansas, United States

Site Status RECRUITING

Louisiana State University Health Science Center

New Orleans, Louisiana, United States

Site Status RECRUITING

University Medical Center New Orleans

New Orleans, Louisiana, United States

Site Status RECRUITING

Ochsner Medical Center Jefferson

New Orleans, Louisiana, United States

Site Status RECRUITING

Mercy Hospital

Coon Rapids, Minnesota, United States

Site Status RECRUITING

Minnesota Oncology Hematology PA-Maplewood

Maplewood, Minnesota, United States

Site Status RECRUITING

Saint John's Hospital - Healtheast

Maplewood, Minnesota, United States

Site Status RECRUITING

Park Nicollet Clinic - Saint Louis Park

Saint Louis Park, Minnesota, United States

Site Status RECRUITING

Regions Hospital

Saint Paul, Minnesota, United States

Site Status RECRUITING

Ridgeview Medical Center

Waconia, Minnesota, United States

Site Status RECRUITING

University of Kansas Cancer Center - North

Kansas City, Missouri, United States

Site Status RECRUITING

University of Kansas Cancer Center - Lee's Summit

Lee's Summit, Missouri, United States

Site Status RECRUITING

Mercy Hospital Saint Louis

St Louis, Missouri, United States

Site Status RECRUITING

OptumCare Cancer Care at Charleston

Las Vegas, Nevada, United States

Site Status RECRUITING

CarolinaEast Medical Center

New Bern, North Carolina, United States

Site Status RECRUITING

Nash UNC HealthCare

Rocky Mount, North Carolina, United States

Site Status RECRUITING

Adena Regional Medical Center

Chillicothe, Ohio, United States

Site Status RECRUITING

Geisinger Cancer Center Dickson City

Dickson City, Pennsylvania, United States

Site Status RECRUITING

Community Medical Center

Scranton, Pennsylvania, United States

Site Status RECRUITING

Geisinger Wyoming Valley/Henry Cancer Center

Wilkes-Barre, Pennsylvania, United States

Site Status RECRUITING

Gibbs Cancer Center-Gaffney

Gaffney, South Carolina, United States

Site Status RECRUITING

Saint Francis Hospital

Greenville, South Carolina, United States

Site Status RECRUITING

Saint Francis Cancer Center

Greenville, South Carolina, United States

Site Status RECRUITING

Gibbs Cancer Center-Pelham

Greer, South Carolina, United States

Site Status RECRUITING

Spartanburg Medical Center

Spartanburg, South Carolina, United States

Site Status RECRUITING

SMC Center for Hematology Oncology Union

Union, South Carolina, United States

Site Status RECRUITING

Regional Cancer Center at Johnson City Medical Center

Johnson City, Tennessee, United States

Site Status RECRUITING

Ballad Health Cancer Care - Kingsport

Kingsport, Tennessee, United States

Site Status RECRUITING

Ballad Health Cancer Care - Bristol

Bristol, Virginia, United States

Site Status RECRUITING

Bon Secours Memorial Regional Medical Center

Mechanicsville, Virginia, United States

Site Status RECRUITING

Bon Secours Saint Francis Medical Center

Midlothian, Virginia, United States

Site Status RECRUITING

Bon Secours Saint Mary's Hospital

Richmond, Virginia, United States

Site Status RECRUITING

Bon Secours Cancer Institute at Reynolds Crossing

Richmond, Virginia, United States

Site Status RECRUITING

VCU Massey Cancer Center at Stony Point

Richmond, Virginia, United States

Site Status RECRUITING

VCU Massey Comprehensive Cancer Center

Richmond, Virginia, United States

Site Status RECRUITING

Carilion Roanoke Memorial Hospital

Roanoke, Virginia, United States

Site Status RECRUITING

Saint Vincent Hospital Cancer Center Green Bay

Green Bay, Wisconsin, United States

Site Status RECRUITING

Saint Vincent Hospital Cancer Center at Saint Mary's

Green Bay, Wisconsin, United States

Site Status RECRUITING

Gundersen Lutheran Medical Center

La Crosse, Wisconsin, United States

Site Status RECRUITING

Saint Vincent Hospital Cancer Center at Sturgeon Bay

Sturgeon Bay, Wisconsin, United States

Site Status RECRUITING

Countries

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United States

Facility Contacts

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Site Public Contact

Role: primary

302-623-4450

Site Public Contact

Role: primary

302-623-4450

Site Public Contact

Role: primary

800-446-5532

Site Public Contact

Role: primary

217-876-4762

Site Public Contact

Role: primary

800-446-5532

Site Public Contact

Role: primary

800-446-5532

Site Public Contact

Role: primary

217-876-4762

Site Public Contact

Role: primary

800-446-5532

Site Public Contact

Role: primary

913-588-3671

Site Public Contact

Role: primary

913-588-3671

Site Public Contact

Role: primary

785-295-8000

Site Public Contact

Role: primary

913-588-3671

Site Public Contact

Role: primary

504-210-3539

Site Public Contact

Role: primary

504-210-3539

Site Public Contact

Role: primary

504-842-8084

Site Public Contact

Role: primary

952-993-1517

Site Public Contact

Role: primary

952-993-1517

Site Public Contact

Role: primary

952-993-1517

Site Public Contact

Role: primary

952-993-1517

Site Public Contact

Role: primary

952-993-1517

Site Public Contact

Role: primary

952-993-1517

Site Public Contact

Role: primary

913-588-3671

Site Public Contact

Role: primary

913-588-3671

Site Public Contact

Role: primary

314-251-7066

Site Public Contact

Role: primary

702-384-0013

Site Public Contact

Role: primary

252-634-6589

Site Public Contact

Role: primary

252-952-8000

Site Public Contact

Role: primary

877-779-7585

Site Public Contact

Role: primary

877-204-6081

Site Public Contact

Role: primary

570-703-4768

Site Public Contact

Role: primary

570-271-5251

Site Public Contact

Role: primary

864-560-6104

Site Public Contact

Role: primary

864-603-6234

Site Public Contact

Role: primary

864-603-6234

Site Public Contact

Role: primary

864-560-6104

Site Public Contact

Role: primary

864-560-6104

Site Public Contact

Role: primary

864-560-6104

Site Public Contact

Role: primary

423-431-5654

Site Public Contact

Role: primary

423-431-5654

Site Public Contact

Role: primary

423-431-5654

Site Public Contact

Role: primary

804-893-8978

Site Public Contact

Role: primary

804-893-8978

Site Public Contact

Role: primary

804-893-8978

Site Public Contact

Role: primary

804-893-8978

Site Public Contact

Role: primary

Site Public Contact

Role: primary

804-628-6430

Site Public Contact

Role: primary

540-981-7377

Site Public Contact

Role: primary

920-433-8889

Site Public Contact

Role: primary

920-433-8889

Site Public Contact

Role: primary

608-775-2385

Site Public Contact

Role: primary

920-433-8889

Other Identifiers

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NCI-2022-07664

Identifier Type: REGISTRY

Identifier Source: secondary_id

URCC-22053

Identifier Type: OTHER

Identifier Source: secondary_id

URCC-22053

Identifier Type: OTHER

Identifier Source: secondary_id

URCC-22053

Identifier Type: OTHER

Identifier Source: secondary_id

R01CA258349

Identifier Type: NIH

Identifier Source: secondary_id

View Link

UG1CA189961

Identifier Type: NIH

Identifier Source: secondary_id

View Link

URCC-22053

Identifier Type: -

Identifier Source: org_study_id

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