NCT01894295

Brief Summary

The aim of this double blind clinical trial study is to investigate whether alphacalcidol treatment in obese subjects can affect the resting metabolic rate. Moreover, the investigators will evaluate the pathways of Nesfatin-1, Peroxisome proliferator-activated receptor gamma (PPARγ) and eroxisome proliferator-activated receptor- coactivator-1 α (PGC1α) protein which may lead to change in metabic rate following treatment with either alphacalcidol or placebo.

Trial Health

43
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
96

participants targeted

Target at P50-P75 for not_applicable obesity

Timeline
Completed

Started Jun 2012

Geographic Reach
1 country

1 active site

Status
unknown

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

Study Start

First participant enrolled

June 1, 2012

Completed
1 year until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 1, 2013

Completed
1 month until next milestone

First Submitted

Initial submission to the registry

July 3, 2013

Completed
7 days until next milestone

First Posted

Study publicly available on registry

July 10, 2013

Completed
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

September 1, 2013

Completed
Last Updated

July 10, 2013

Status Verified

July 1, 2013

Enrollment Period

1 year

First QC Date

July 3, 2013

Last Update Submit

July 9, 2013

Conditions

Keywords

Vitamin D analoguesResting Metabolic rateobesity

Outcome Measures

Primary Outcomes (1)

  • Resting Metabolic Rate

    Measurement by indirect calorimetry.

    Change from baseline to 8 weeks

Secondary Outcomes (1)

  • Changes of Nesfatin-1, PPARγ and PGC1α protein levels

    Change from baseline to 8 weeks

Other Outcomes (1)

  • Change of ACS and FASN Enzymes

    Change from baseline to 8 weeks

Study Arms (2)

Vitamin D analogue

EXPERIMENTAL

1-α hydroxyvitamin D3; dose 0.25, 0.5 and 1 microgram.

Dietary Supplement: Vitamin D analogue

Placebo

PLACEBO COMPARATOR

Corn oil pearl Capsules 1 gram

Dietary Supplement: Placebo

Interventions

PlaceboDIETARY_SUPPLEMENT

Corn oil pearl Capsules 1 gram; were given to the intervention group once a day for 8 weeks

Also known as: corn oil capsule
Placebo
Vitamin D analogueDIETARY_SUPPLEMENT

1-α hydroxyvitamin D3 dose 0.25, 0.5 and 1 microgram were given to the intervention group once a day for 8 weeks

Also known as: 1-α hydroxyvitamin D3
Vitamin D analogue

Eligibility Criteria

Age22 Years - 52 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Age 22-52 years Body mass index equal or more than 30

You may not qualify if:

  • Acute or chronic inflammatory disease History of hypertension Alcohol or drug abuse History of any condition affecting inflammatory markers Thyroid diseases Malignancies Current smoking Diabetes mellitus Sustained hypertension Heart failure Acute or chronic infections Hepatic or renal diseases Use of PPARγ agonist drug

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

TehranUMS

Tehran, Tehran Province, Iran

RECRUITING

MeSH Terms

Conditions

Obesity

Interventions

Corn Oil

Condition Hierarchy (Ancestors)

OverweightOvernutritionNutrition DisordersNutritional and Metabolic DiseasesBody WeightSigns and SymptomsPathological Conditions, Signs and Symptoms

Intervention Hierarchy (Ancestors)

Dietary Fats, UnsaturatedDietary FatsFatsLipidsFats, UnsaturatedPlant OilsOilsPlant PreparationsBiological ProductsComplex MixturesFoodDiet, Food, and NutritionPhysiological PhenomenaFood and Beverages

Study Officials

  • Mahmoud Jalali, PhD

    Tehran University of Medical Sciences

    STUDY DIRECTOR
  • Khadijeh Mirzaei, MS

    Tehran University of Medical Sciences

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Mahmoud Jalali, Phd

CONTACT

Khadijeh Mirzaei, MS

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, CARE PROVIDER
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

July 3, 2013

First Posted

July 10, 2013

Study Start

June 1, 2012

Primary Completion

June 1, 2013

Study Completion

September 1, 2013

Last Updated

July 10, 2013

Record last verified: 2013-07

Locations