NCT01985204

Brief Summary

The study hypothesis is that iodine supplementation will lower serum TSH and leptin concentrations and thereby improve the lipid and glucose profile.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
162

participants targeted

Target at P75+ for not_applicable

Timeline
Completed

Started Nov 2013

Shorter than P25 for not_applicable

Geographic Reach
1 country

2 active sites

Status
completed

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

October 31, 2013

Completed
1 day until next milestone

Study Start

First participant enrolled

November 1, 2013

Completed
14 days until next milestone

First Posted

Study publicly available on registry

November 15, 2013

Completed
7 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 1, 2014

Completed
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

July 1, 2014

Completed
Last Updated

July 30, 2014

Status Verified

July 1, 2014

Enrollment Period

7 months

First QC Date

October 31, 2013

Last Update Submit

July 29, 2014

Conditions

Keywords

iodinethyroid hormonesobesityTSHdyslipidemiainsulin resistance

Outcome Measures

Primary Outcomes (3)

  • Change in TSH (thyroid-stimulating hormone)

    change from baseline to 6 months

  • change in fasting insulin

    change from baseline to 6 months

  • change in the LDL cholesterol/ HDL cholesterol ratio

    change from baseline to 6 months

Secondary Outcomes (5)

  • fasting glucose

    baseline, 3 months and 6 months

  • plasma leptin

    baseline, 3 months and 6 months

  • LDL cholesterol

    baseline, 3 months and 6 months

  • HDL cholesterol

    baseline, 3 months and 6 months

  • Urinary iodine

    change from baseline to 6 months

Other Outcomes (5)

  • T3

    baseline, 3 months and 6 months

  • T4

    baseline, 3 months and 6 months

  • total cholesterol

    baseline, 3 months and 6 months

  • +2 more other outcomes

Study Arms (2)

Placebo

PLACEBO COMPARATOR

Placebo tablet

Dietary Supplement: Placebo tablet

Intervention

EXPERIMENTAL

Iodine tablet

Dietary Supplement: Iodine tablet

Interventions

Iodine tabletDIETARY_SUPPLEMENT

Iodine tablets containing 200 ug iodine as potassium iodate

Intervention
Placebo tabletDIETARY_SUPPLEMENT

Placebo tablet without iodine

Placebo

Eligibility Criteria

Age20 Years - 50 Years
Sexfemale
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Women of reproductive age (20 to 50 years)
  • Body mass index 27 to 40 kg/m2
  • Having received oral and written information about the aims and procedures of the study
  • Willing to comply with the study procedure
  • Having provided oral and written informed consent

You may not qualify if:

  • Chronic disease or gastrointestinal disorders
  • Nodular goiter
  • Regular use of medication (except oral contraceptives)
  • Pregnancy or lactation
  • Subject who cannot be expected to comply with study protocol

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

Universite Caddi Ayad, Faculte de Medecine et de Pharmacie

Marrakesh, Morocco

Location

University Cadi Ayyad, Faculte des Sciences

Marrakesh, Morocco

Location

Related Publications (1)

  • Herter-Aeberli I, Cherkaoui M, El Ansari N, Rohner R, Stinca S, Chabaa L, von Eckardstein A, Aboussad A, Zimmermann MB. Iodine Supplementation Decreases Hypercholesterolemia in Iodine-Deficient, Overweight Women: A Randomized Controlled Trial. J Nutr. 2015 Sep;145(9):2067-75. doi: 10.3945/jn.115.213439. Epub 2015 Jul 22.

MeSH Terms

Conditions

ObesityDyslipidemiasInsulin Resistance

Interventions

Iodine

Condition Hierarchy (Ancestors)

OverweightOvernutritionNutrition DisordersNutritional and Metabolic DiseasesBody WeightSigns and SymptomsPathological Conditions, Signs and SymptomsLipid Metabolism DisordersMetabolic DiseasesHyperinsulinismGlucose Metabolism Disorders

Intervention Hierarchy (Ancestors)

HalogensElementsInorganic Chemicals

Study Officials

  • Isabelle Aeberli, PhD

    ETH Zurich (Switzerland)

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
BASIC SCIENCE
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
PhD

Study Record Dates

First Submitted

October 31, 2013

First Posted

November 15, 2013

Study Start

November 1, 2013

Primary Completion

June 1, 2014

Study Completion

July 1, 2014

Last Updated

July 30, 2014

Record last verified: 2014-07

Locations