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Completed Phase 2 Interventional Results available

Cholecalciferol and Genistein Before Surgery in Treating Patients With Early Stage Prostate Cancer

ClinicalTrials.gov ID: NCT01325311

Public ClinicalTrials.gov record NCT01325311. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Jul 22, 2026, 3:12 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Phase IIA, Randomized Placebo-Controlled Trial of Single High Dose Cholecalciferol and Daily Genistein (G-2535) Versus Placebo in Men With Early Stage Prostate Cancer Undergoing Prostatectomy

Study identification

NCT ID
NCT01325311
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
National Cancer Institute (NCI)
NIH
Enrollment
15 participants

Conditions and interventions

Interventions

  • Cholecalciferol Drug
  • Genistein Drug
  • Laboratory Biomarker Analysis Other
  • Pharmacological Study Other
  • Placebo Other

Drug · Other

Eligibility (public fields only)

Age range
18 Years and older
Sex
Male
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Nov 30, 2011
Primary completion
Jun 30, 2014
Completion
Jun 30, 2014
Last update posted
Aug 2, 2016

2011 – 2014

United States locations

U.S. sites
11
U.S. states
9
U.S. cities
9
Facility City State ZIP Site status
University of Alabama at Birmingham Cancer Center Birmingham Alabama 35233
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins Hospital Baltimore Maryland 21231
Johns Hopkins University/Sidney Kimmel Cancer Center Baltimore Maryland 21287
Lahey Hospital and Medical Center Burlington Massachusetts 01805
Minneapolis Veterans Medical Center Minneapolis Minnesota 55417
University of Minnesota Medical Center-Fairview Minneapolis Minnesota 55455
University of Rochester Rochester New York 14642
University of Oklahoma Health Sciences Center Oklahoma City Oklahoma 73104
Carolina Urologic Research Center Myrtle Beach South Carolina 29572
Urology San Antonio Research PA San Antonio Texas 78229
University of Wisconsin Hospital and Clinics Madison Wisconsin 53792

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01325311, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Aug 2, 2016 · Synced Jul 22, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT01325311 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →