NCT02727738

Brief Summary

Evaluation of the efficacy of the combined treatment (methimazole plus selenium) in the control of hyperthyroidism as compared to methimazole alone in 30 Graves' disease (GD) untreated patients.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
30

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started Jan 2014

Typical duration for not_applicable

Geographic Reach
1 country

1 active site

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

Study Start

First participant enrolled

January 1, 2014

Completed
1.5 years until next milestone

First Submitted

Initial submission to the registry

June 30, 2015

Completed
2 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 1, 2015

Completed
3 months until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2015

Completed
4 months until next milestone

First Posted

Study publicly available on registry

April 5, 2016

Completed
Last Updated

April 6, 2016

Status Verified

April 1, 2016

Enrollment Period

1.7 years

First QC Date

June 30, 2015

Last Update Submit

April 4, 2016

Conditions

Keywords

HyperthyroidismMethimazoleSelenium

Outcome Measures

Primary Outcomes (6)

  • Control of hyperthyroidism

    Comparison of FT3 and FT4 values (pg/ml) between groups

    90 days

  • Clinical manifestations of hyperthyroidism-1

    Comparison of heart rate between groups

    90 days

  • Clinical manifestations of hyperthyroidism-2

    Comparison of BMI between groups

    90 days

  • Clinical manifestations of hyperthyroidism-3

    Comparison of total serum cholesterol between groups

    90 days

  • Clinical manifestations of hyperthyroidism-4

    Comparison of total serum sex hormone binding globulin between groups

    90 days

  • Clinical manifestations of hyperthyroidism-5

    Comparison of subjective hyperthyroidism symptoms score collected by questionnaire between groups

    90 days

Secondary Outcomes (17)

  • Control of hyperthyroidism

    45 days

  • Clinical manifestations of hyperthyroidism-1

    45 days

  • Selenium levels

    45 days

  • Selenium levels

    90 days

  • Oxidative stress parameters-1

    45 days

  • +12 more secondary outcomes

Study Arms (2)

Methimazole plus selenium

EXPERIMENTAL

Methimazole 5-30 mg daily for 90 days Selenium 80 bid for 90 days

Dietary Supplement: SeleniumDrug: Methimazole

Methimazole

ACTIVE COMPARATOR

Methimazole 5-30 mg daily for 90 days

Drug: Methimazole

Interventions

SeleniumDIETARY_SUPPLEMENT

Selenium 80 mg bid for 90 days

Also known as: Syrel
Methimazole plus selenium

Methimazole starting dose depending on FT3 values (15 mg/day or 20 mg/day or 30 mg/day, for FT3 values \<10 pg/ml, 10-15 pg/ml, \>15 pg/ml, respectively) to be tapered by 5 mg/day every 15 days down to values sufficient for FT3 to be normal

Also known as: Tapazole
MethimazoleMethimazole plus selenium

Eligibility Criteria

Age18 Years - 70 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Hyperthyroid untreated Graves' disease patients

You may not qualify if:

  • Hyperthyroid treated Graves' disease patients

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Endocrinology Unit

Pisa, PI, 56124, Italy

Location

MeSH Terms

Conditions

Graves DiseaseHyperthyroidism

Interventions

SeleniumMethimazole

Condition Hierarchy (Ancestors)

ExophthalmosOrbital DiseasesEye DiseasesGoiterThyroid DiseasesEndocrine System DiseasesAutoimmune DiseasesImmune System Diseases

Intervention Hierarchy (Ancestors)

ChalcogensElementsInorganic ChemicalsMineralsSulfhydryl CompoundsSulfur CompoundsOrganic ChemicalsImidazolesAzolesHeterocyclic Compounds, 1-RingHeterocyclic Compounds

Study Officials

  • Claudio Marcocci, MD

    Department of Clinical and Experimental Medicine, University of Pisa

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
MD

Study Record Dates

First Submitted

June 30, 2015

First Posted

April 5, 2016

Study Start

January 1, 2014

Primary Completion

September 1, 2015

Study Completion

December 1, 2015

Last Updated

April 6, 2016

Record last verified: 2016-04

Data Sharing

IPD Sharing
Will not share

Locations