Completed PHASE1 INTERVENTIONAL 5-arm NCT04844164

Vitamin D Metabolism in Patients With Endocrine Disorders

Prospective Non-randomised Controlled Study of Vitamin D Metabolism in Patients With Endocrine Disorders (Acromegaly, Cushing's Disease, Primary Hyperparathyroidism, Diabetes Mellitus Type 1) Treated With Cholecalciferol Bolus Dose

Sponsor: Endocrinology Research Centre, Moscow

Conditions Acromegaly Diabetes Mellitus, Type 1 Pituitary ACTH Hypersecretion Primary Hyperparathyroidism

Interventions Cholecalciferol 15000 UNT/ML Oral Solution

Updated 5 times since 2021 Last updated: Aug 10, 2022 Started: Apr 16, 2019 Primary completion: May 15, 2021 Completion: Jun 1, 2021

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

A PHASE1 clinical study on Acromegaly and Diabetes Mellitus, Type 1, this trial is completed. The trial is conducted by Endocrinology Research Centre, Moscow and has accumulated 5 data snapshots since 2019. Longitudinal tracking of this trial contributes to a broader understanding of treatment development timelines.

Status Flow

Change History

5 versions recorded

Sep 2025 — Present [monthly]

Completed PHASE1
Sep 2024 — Sep 2025 [monthly]

Completed PHASE1
Jul 2024 — Sep 2024 [monthly]

Completed PHASE1
Sep 2022 — Jul 2024 [monthly]

Completed PHASE1

Status: Recruiting → Completed
May 2021 — Sep 2022 [monthly]

Recruiting PHASE1

First recorded

Apr 2019

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Endocrinology Research Centre, Moscow
Russian Science Foundation

Data source: Endocrinology Research Centre, Moscow

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

Study Locations

• Moscow, Russia