NCT05650268

Brief Summary

To investigate whether preoperative supplement with high-dose vitamin D3 can reduce the perioperative risk and enhance recovery

Trial Health

15
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Timeline
Completed

Started Sep 2021

Shorter than P25 for not_applicable

Status
withdrawn

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

July 26, 2021

Completed
1 month until next milestone

Study Start

First participant enrolled

September 1, 2021

Completed
7 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 1, 2022

Completed
29 days until next milestone

Study Completion

Last participant's last visit for all outcomes

April 30, 2022

Completed
8 months until next milestone

First Posted

Study publicly available on registry

December 14, 2022

Completed
Last Updated

December 14, 2022

Status Verified

August 1, 2021

Enrollment Period

7 months

First QC Date

July 26, 2021

Last Update Submit

December 13, 2022

Conditions

Outcome Measures

Primary Outcomes (1)

  • Mortality rate

    30 days

Study Arms (2)

Vitamin D3

EXPERIMENTAL

The experimental group will receive 576000 IU in single oral dose of liquid vitamin D3\~7 days prior to the surgery.

Drug: Vitamin D3

Control group

PLACEBO COMPARATOR

The control group will receive 95% MCT D3\~7 days prior to the surgery.

Other: 95% MCT

Interventions

Receiving 576000 international units in single oral dose of liquid vitamin D 3\~7 days prior to the surgery.

Also known as: Vitamin D
Vitamin D3
95% MCTOTHER

95% MCT supplement 3-7 day before surgery

Control group

Eligibility Criteria

Age20 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • years or older
  • Adult patients who will receive general surgery

You may not qualify if:

  • Chronic liver diseases
  • Hypercalcemia
  • Using estrogen drug, bisphosphonate, other durgs to treat bone diseases
  • Sarcoidosis, Multiple myeloma or Primary hyperparathyroidism
  • Pregnant women
  • Other trial participation

Contact the study team to confirm eligibility.

Sponsors & Collaborators

MeSH Terms

Conditions

Vitamin D Deficiency

Interventions

CholecalciferolVitamin D

Condition Hierarchy (Ancestors)

AvitaminosisDeficiency DiseasesMalnutritionNutrition DisordersNutritional and Metabolic Diseases

Intervention Hierarchy (Ancestors)

CholestenesCholestanesSteroidsFused-Ring CompoundsPolycyclic CompoundsSterolsSecosteroidsMembrane LipidsLipids

Study Officials

  • Yin-Yi Han, MD,PhD

    National Taiwan University Hospital

    PRINCIPAL INVESTIGATOR
0

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

July 26, 2021

First Posted

December 14, 2022

Study Start

September 1, 2021

Primary Completion

April 1, 2022

Study Completion

April 30, 2022

Last Updated

December 14, 2022

Record last verified: 2021-08

Data Sharing

IPD Sharing
Will not share