Completed PHASE4 INTERVENTIONAL NCT00073710

Study to Evaluate the Effects of Zemplar Injection and Calcijex on Intestinal Absorption of Calcium

A Phase IV, Single-Center, Active-Controlled Cross-Over Pilot Study to Evaluate the Effects of Zemplar Injection and Calcijex on Intestinal Absorption of Calcium

Sponsor: Abbott

Conditions Chronic Kidney Disease Secondary Hyperparathyroidism

Interventions 42 Ca carbonate absorption via single tracer method Calcijex Zemplar

Updated 6 times since 2017 Last updated: Jul 31, 2006 Started: Sep 30, 2004

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

This PHASE4 trial investigates Chronic Kidney Disease and Secondary Hyperparathyroidism and is currently completed. Abbott leads this study, which shows 6 recorded versions since 2004 — indicating limited longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

Change History

6 versions recorded

Jan 2026 — Present [monthly]

Completed PHASE4
Sep 2024 — Present [monthly]

Completed PHASE4
Jul 2024 — Sep 2024 [monthly]

Completed PHASE4
Jan 2021 — Jul 2024 [monthly]

Completed PHASE4
Jun 2018 — Jan 2021 [monthly]

Completed PHASE4

▶ Show 1 earlier version

Jan 2017 — Jun 2018 [monthly]

Completed PHASE4

First recorded

Sep 2004

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Abbott

Data source: Abbott

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

• Omaha, United States