Unknown NA INTERVENTIONAL 2-arm NCT03766074

Vitamin D Supplementation in Patients With Depression

Evaluation of Vitamin D Supplementation Effects on Serum 25(OH)D3, PTH, Pro-inflammatory Biomarkers and Neurotransmitters Involved in Depression, and Depression Status in Depressive Patients

Sponsor: Tirang R. Neyestani, Ph.D.

Conditions Depression

Interventions Placebo vitamin D supplement

Updated 5 times since 2019 Last updated: Dec 11, 2018 Started: May 6, 2018 Primary completion: Apr 30, 2019 Completion: Sep 30, 2019

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 Depression and is currently ongoing. Tirang R. Neyestani, Ph.D. leads this study, which shows 5 recorded versions since 2018 — indicating limited longitudinal coverage. This study adds to the longitudinal dataset for psychiatric treatment development.

Status Flow

Change History

5 versions recorded

Sep 2025 — Present [monthly]

Unknown NA
Sep 2024 — Sep 2025 [monthly]

Unknown NA
Jul 2024 — Sep 2024 [monthly]

Unknown NA

Status: Unknown Status → Unknown
Jan 2021 — Jul 2024 [monthly]

Unknown Status NA

Status: Active Not Recruiting → Unknown Status
Jan 2019 — Jan 2021 [monthly]

Active Not Recruiting NA

First recorded

May 2018

Trial started

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

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Tirang R. Neyestani, Ph.D.

Data source: National Nutrition and Food Technology Institute

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

Study Locations

• Tehrān, Iran