Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.

NCT00091975 · ClinicalTrials.gov registry record · Phase 3

Zemplar® Capsule in Reducing Serum Intact Parathyroid Hormone Levels in Chronic Kidney Disease Stage 5 Subjects on Hemodialysis or Peritoneal Dialysis

A Phase 3 study, sponsored by Abbott.

Completed
Registry status
Phase 3
Development phase
78
Enrollment target

NCT00091975: Completed Phase 3 study, sponsored by Abbott.

NCT00091975 is a Phase 3 study that has completed, run by Abbott. The registered enrollment target is 78 participants, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (90% lower). According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

View your shortlist →

The verdict

NCT00091975, a Phase 3 study, has completed, sponsored by Abbott.

COMPLETED
Registry status
Phase 3
Development phase
78 participants
Enrollment target

Study Summary

The objective of this study is to determine the safety and efficacy of Zemplar® Capsule versus placebo, in decreasing elevated intact parathyroid hormone levels in chronic kidney disease stage 5 subjects with secondary hyperparathyroidism on hemodialysis or peritoneal dialysis, while using the revised dose titration scheme.

Interventions

  • DRUG Zemplar Capsule

Trial Details

FieldValue
Enrollment Target 78 participants
Start Date 2004-08
Phase Phase 3
Abbott

181 total trials

What the finished NCT00091975 record still lists

NCT00091975 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 78 participants, a relatively small participant target, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (90% lower).

The record links to 0 conditions, and to 1 intervention - of which Zemplar Capsule is the first listed.

NCT00091975 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT00091975 about?

NCT00091975 is a clinical study titled "Zemplar® Capsule in Reducing Serum Intact Parathyroid Hormone Levels in Chronic Kidney Disease Stage 5 Subjects on Hemodialysis or Peritoneal Dialysis". The objective of this study is to determine the safety and efficacy of Zemplar® Capsule versus placebo, in decreasing elevated intact parathyroid hormone levels in chronic kidney disease stage 5 subjects with secondary hyperparathyroidism on hemodialysis or peritoneal dialysis, while using the revis...

What is the current status of trial NCT00091975?

This trial is currently completed. It is a Phase 3 study. The enrollment target is 78 participants. The study started on 2004-08.

What interventions are being tested in trial NCT00091975?

The interventions under investigation include: Zemplar Capsule (DRUG).

Who is sponsoring clinical trial NCT00091975?

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

How this trial's enrollment target compares

Where NCT00091975's enrollment target sits among peer trials

78 1769th of 2000 higher than 230 of 2,000 other Phase 3 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 3 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

Nationwide trials with similar profiles

Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.

Similar enrollment target

  • NCT02397668 · 78 participants · NA

    CorMatrix Cor TRICUSPID ECM Valve Replacement Study

  • NCT03321656 · 78 participants · Phase 2

    Impact of Envarsus XR® on Kidney Biopsy Subclinical Rejection and Blood Immunologic Profile

  • NCT03687814 · 78 participants · NA

    Low FODMAP Plus PEG 3350 for the Treatment of Patients with Irritable Bowel Syndrome-Constipation

  • NCT04018872 · 78 participants · Phase 2

    Evaluating the Effect of Itraconazole on Pathologic Complete Response Rates in Esophageal Cancer

Similar registry start date

  • NCT05988463 · started 2027-01-01 · Phase 1

    Dose-Escalation Study of Artesunate Patients With IPF

  • NCT07219706 · started 2026-12-10 · NA

    Dietary Fiber and Time Restricted Eating

  • NCT02831335 · started 2026-12-01

    Technical Development of Multi-Parametric Renocerebral MRI

  • NCT05962346 · started 2026-12 · NA

    Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia

Source: ClinicalTrials.gov NCT00091975, the US trial registry maintained by the National Library of Medicine. NCT00091975 (small enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.