Completed NA INTERVENTIONAL 4-arm NCT02333682

Pharmacokinetics of Calcifediol and Cholecalciferol

The Response of Serum 25-hydroxyvitamin D to Different Doses of Calcifediol Hy.D Compared to Vitamin D3 Supplementation: A Randomized, Controlled, Double Blind, Long Term Pharmacokinetic Study

Sponsor: Leatherhead Food Research

Conditions Osteoporosis

Interventions 25(OH)D3 (Calcifediol Hy.D) 10 mcg 25(OH)D3 (Calcifediol Hy.D) 15 mcg 25(OH)D3 (Calcifediol Hy.D) 20 mcg Vitamin D3 (Cholecalciferol) 20 mcg

Updated 6 times since 2017 Last updated: Aug 5, 2024 Started: Nov 30, 2014 Primary completion: Dec 31, 2015 Completion: Dec 31, 2015

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

This NA trial investigates Osteoporosis and is currently completed. Leatherhead Food Research leads this study, which shows 6 recorded versions since 2014 — indicating limited longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Status Flow

Change History

6 versions recorded

Mar 2026 — Present [monthly]

Completed NA
Sep 2024 — Mar 2026 [monthly]

Completed NA
Jul 2024 — Sep 2024 [monthly]

Completed NA
Jan 2021 — Jul 2024 [monthly]

Completed NA
Jun 2018 — Jan 2021 [monthly]

Completed NA

▶ Show 1 earlier version

Jan 2017 — Jun 2018 [monthly]

Completed NA

First recorded

Nov 2014

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Leatherhead Food Research
dsm-firmenich Switzerland AG

Data source: dsm-firmenich Switzerland AG

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

Study Locations

No location information available.