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NCT00646035 · ClinicalTrials.gov registry record · Phase 3

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

A Phase 3 study of End Stage Renal Disease, sponsored by Abbott.

Completed
Registry status
Phase 3
Development phase
75
Enrollment target
20
Study locations

NCT00646035: Completed Phase 3 study of End Stage Renal Disease, sponsored by Abbott.

NCT00646035 is a Phase 3 study of End Stage Renal Disease that has completed, run by Abbott. The registered enrollment target is 75 participants, below the 833-participant average among 86 other End Stage Renal Disease trials with a reported enrollment target (91% lower). The trial reports 20 study locations across 15 states. According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT00646035, a Phase 3 study of End Stage Renal Disease, has completed, sponsored by Abbott.

COMPLETED
Registry status
Phase 3
Development phase
75 participants
Enrollment target
20
Study locations

Study Summary

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.

Conditions Studied

Interventions

  • DRUG paricalcitol capsules

Study Locations (20)

Ohio

  • - Cincinnati
  • - Cincinnati
  • - Cleveland

Florida

  • - Fort Myers
  • - Tampa

Illinois

  • - Evanston
  • - Maywood

Tennessee

  • - Memphis
  • - Nashville

California

  • - Los Angeles

Colorado

  • - Denver

District of Columbia

  • - Washington D.C.

Georgia

  • - Savannah

Trial Details

FieldValue
Enrollment Target 75 participants
Start Date 2002-01
Phase Phase 3
Abbott

181 total trials

What the finished NCT00646035 record still lists

NCT00646035 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 75 participants, a relatively small participant target, below the 833-participant average among 86 other End Stage Renal Disease trials with a reported enrollment target (91% lower).

The record links to 1 condition, with End Stage Renal Disease appearing as the primary indexed condition, and to 1 intervention - of which paricalcitol capsules is the first listed.

NCT00646035 names 20 study sites across 15 states, led by Ohio, Florida, Illinois.

Frequently Asked Questions

What is clinical trial NCT00646035 about?

NCT00646035 is a clinical study titled "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". 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.

What is the current status of trial NCT00646035?

This trial is currently completed. It is a Phase 3 study. The enrollment target is 75 participants. The study started on 2002-01.

What conditions does trial NCT00646035 study?

This clinical trial studies the following conditions: End Stage Renal Disease.

What interventions are being tested in trial NCT00646035?

The interventions under investigation include: paricalcitol capsules (DRUG).

Who is sponsoring clinical trial NCT00646035?

This trial is sponsored by Abbott, which has 181 total clinical trials registered on ClinicalTrials.gov.

Where is trial NCT00646035 being conducted?

This trial has 20 study locations across California, Colorado, District of Columbia, Florida, Georgia. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.

Similar trials for End Stage Renal Disease

Matched on the same primary condition, ranked to surface studies in the same phase first, then by recruiting status, no relevance scoring or editorial curation.

Where NCT00646035's enrollment target sits among peer trials

75 42nd of 86 higher than 45 of 86 other End Stage Renal Disease trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other End Stage Renal Disease trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT00646035, the US trial registry maintained by the National Library of Medicine. NCT00646035 (small enrollment · wide site footprint · completed) retrieved and formatted by PlainTrial, see methodology.