Completed

Effect of Single High Dose Vitamin D3 on Peri-operative and Post-operative Complications and Clinical Outcomes in Patients Under Craniotomy for Brain Tumor Resection

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What is being tested

vitamin D

+ control

DrugOther
Who is being recruted

Brain Diseases+5

+ Brain Neoplasms

+ Central Nervous System Diseases

Over 18 Years
See all eligibility criteria
How is the trial designed

Treatment Study

Interventional
Study Start: July 2017
See protocol details

Summary

Principal SponsorShahid Beheshti University
Last updated: January 13, 2026
Sourced from a government-validated database.Claim as a partner

Study start date: July 6, 2017

Actual date on which the first participant was enrolled.

A randomized, double blind, controlled trial will be conducted in neurosurgery ward, operating room (OR) and intensive care unit (ICU) in Tehran, Iran. After a full review of the inclusion and exclusion criteria and explanation of the risks and benefits of the study, written consent form will be completed. The participants are 60 eligible hospitalized patients that diagnosed with brain tumor and need to craniotomy, aged ≥ 18 years. Intervention patients will be received an intramuscular (IM) single dose of vitamin D (300000 IU). Patients will be evaluated for occurrence of perioperative complications and clinical outcomes immediately after surgery until 1 month later and 1 and 6 months mortality.

Official TitleEffect of Single High Dose Vitamin D3 on Peri-operative and Post-operative Complications and Clinical Outcomes in Patients Under Craniotomy for Brain Tumor Resection 
NCT03248544
Principal SponsorShahid Beheshti University
Last updated: January 13, 2026
Sourced from a government-validated database.Claim as a partner

Protocol

This section provides details of the study plan, including how the study is designed and what the study is measuring.
Design Details

60 patients to be enrolled

Total number of participants that the clinical trial aims to recruit.

Treatment Study

These studies test new ways to treat a disease, condition, or health issue. The goal is to see if a new drug, therapy, or approach works better or has fewer side effects than existing options.



Eligibility

Researchers look for people who fit a certain description, called eligibility criteria: person's general health condition or prior treatments.
Conditions
Criteria

Any sex

Biological sex of participants that are eligible to enroll.

Over 18 Years

Range of ages for which participants are eligible to join.

Healthy volunteers not allowed

If individuals who are healthy and do not have the condition being studied can participate.

Conditions

Pathology

Brain DiseasesBrain NeoplasmsCentral Nervous System DiseasesNeoplasmsNeoplasms by SiteNervous System DiseasesNervous System NeoplasmsCentral Nervous System Neoplasms

Criteria

Inclusion Criteria: * Written informed consent of patient or legal representative * 25(OH)D level below 20ng/dL Exclusion Criteria: * Other trial participation, including previous participation in the pilot trial * Pregnant or lactating women * Hypercalcemia * Hyperphosphatemia * Tuberculosis * Sarcoidosis * History of nephrolithiasis * History of hyperparathyroidis * Medications that interfere with vitamin D metabolism * Renal Insufficiency

Study Plan

Find out more about all the medication administered in this study, their detailed description and what they involve.
Treatment Groups
Study Objectives

2 intervention groups are designated in this study

This study does not include a placebo group 

Treatment Groups

Group I

Experimental
Intervention patients will be received a single dose of 300000 IU vitamin D via intramuscular injection

Group II

Control patients will not be received any intervention

Study Objectives

Primary Objectives

Secondary Objectives

Study Centers

These are the hospitals, clinics, or research facilities where the trial is being conducted. You can find the location closest to you and its status.

This study has 2 locations

Suspended

Faculty of Nutrition and Food Technology, Shahid Beheshti University of Medical Sciences

Tehran, Iran, Islamic Republic ofSee the location
Suspended

Shohada Tajrish Hospital

Tehran, Iran, Islamic Republic of
Completed2 Study Centers