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Completed Phase 3 Interventional

A Study to Evaluate the Safety and Efficacy of Paricalcitol Capsules in Reducing Serum Intact Parathyroid Hormone Levels in End Stage Renal Disease Subjects on Peritoneal Dialysis

ClinicalTrials.gov ID: NCT00646035

Public ClinicalTrials.gov record NCT00646035. 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 Sep 5, 2026, 8:55 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

A Phase III, Prospective, Placebo-Controlled, Double-Blind, Randomized, Multi-Center Study to Evaluate the Safety and Efficacy of Paricalcitol Capsules in Reducing Serum Intact Parathyroid Hormone Levels in End Stage Renal Disease Subjects on Peritoneal Dialysis

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

To determine the safety and efficacy of paricalcitol capsules as compared to placebo for treatment of secondary hyperparathyroidism by decreasing serum intact parathyroid hormone levels in end stage renal disease subjects on peritoneal dialysis.

Study identification

NCT ID
NCT00646035
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Abbott
Industry
Enrollment
75 participants

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
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
Dec 31, 2001
Primary completion
Oct 31, 2002
Completion
Not listed
Last update posted
Mar 27, 2008

Started 2002

United States locations

U.S. sites
22
U.S. states
16
U.S. cities
21
Facility City State ZIP Site status
Not listed Los Angeles California 90095
Not listed Denver Colorado 80230
Not listed Washington D.C. District of Columbia 20007
Not listed Fort Myers Florida 33919
Not listed Tampa Florida 33603
Not listed Savannah Georgia 31405
Not listed Evanston Illinois 60201
Not listed Maywood Illinois 60153
Not listed Indianapolis Indiana 46202
Not listed New Orleans Louisiana 70112
Not listed St Louis Missouri 63110
Not listed Las Vegas Nevada 89102
Not listed Mineola New York 11501
Not listed Cincinnati Ohio 45206
Not listed Cincinnati Ohio 45220
Not listed Cleveland Ohio 44195
Not listed Portland Oregon 97210
Not listed Charleston South Carolina 29425
Not listed Memphis Tennessee 38105
Not listed Nashville Tennessee 37205
Not listed Houston Texas 77030
Not listed Lubbock Texas 79430

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

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 2 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00646035, 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 Mar 27, 2008 · Synced Sep 5, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00646035 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →