NCT00796913

Brief Summary

ATD therapy for Graves' disease is one of the commonly used options for therapy of the hyperthyroidism. The investigators study how to optimally keep patients in remission.

Trial Health

100
On Track

Trial Health Score

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

Enrollment
139

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Jan 2008

Longer than P75 for not_applicable

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 7, 2008

Completed
11 months until next milestone

First Submitted

Initial submission to the registry

November 21, 2008

Completed
3 days until next milestone

First Posted

Study publicly available on registry

November 24, 2008

Completed
6.5 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 15, 2015

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

May 15, 2015

Completed
Last Updated

January 10, 2019

Status Verified

January 1, 2019

Enrollment Period

7.4 years

First QC Date

November 21, 2008

Last Update Submit

January 9, 2019

Conditions

Outcome Measures

Primary Outcomes (1)

  • Relapse of hyperthyroidism

    2 years

Secondary Outcomes (1)

  • Reoccurrence of TSH-receptor autoimmunity

    2 years

Study Arms (3)

Stop of medication after remission

ACTIVE COMPARATOR

After enetering remission patients are randomised to continue low dose medication or to stop medication: Overview of study described in: Laurberg P, Nygaard B, Andersen S, Carlé A, Karmisholt J, Krejbjerg A, Pedersen IB, Andersen SL. Association between TSH-Receptor Autoimmunity, Hyperthyroidism, Goitre, and Orbitopathy in 208 Patients Included in the Remission Induction and Sustenance in Graves' Disease Study. J Thyroid Res. 2014;2014:165487. doi: 10.1155/2014/165487.

Other: Stop medication

Medication for 2 yrs after remission

NO INTERVENTION

See Laurberg P, Nygaard B, Andersen S, Carlé A, Karmisholt J, Krejbjerg A, Pedersen IB, Andersen SL. Association between TSH-Receptor Autoimmunity, Hyperthyroidism, Goitre, and Orbitopathy in 208 Patients Included in the Remission Induction and Sustenance in Graves' Disease Study. J Thyroid Res. 2014;2014:165487. doi: 10.1155/2014/165487.

Se-yeast 200 Microgr/day + arm A

EXPERIMENTAL

Additional arm where patients have been taking Se supplements during RISG1 therapy, and for 2 years after ATD withdrawal.

Other: Stop medication

Interventions

Stop medication Stop medication + se supplement

Also known as: stop medication + se supplement
Se-yeast 200 Microgr/day + arm AStop of medication after remission

Eligibility Criteria

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

You may qualify if:

  • Graves hyperthyroidism in remission after ATD

You may not qualify if:

  • Age \< 18, severe concomitant disease

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Related Publications (1)

  • Karmisholt J, Andersen SL, Bulow-Pedersen I, Carle A, Krejbjerg A, Nygaard B. Predictors of Initial and Sustained Remission in Patients Treated with Antithyroid Drugs for Graves' Hyperthyroidism: The RISG Study. J Thyroid Res. 2019 Jan 3;2019:5945178. doi: 10.1155/2019/5945178. eCollection 2019.

MeSH Terms

Conditions

Graves DiseaseHyperthyroidism

Condition Hierarchy (Ancestors)

ExophthalmosOrbital DiseasesEye DiseasesGoiterThyroid DiseasesEndocrine System DiseasesAutoimmune DiseasesImmune System Diseases

Study Officials

  • Jesper S Karmisholt, MD, Ph.D

    Aalborg University Hospital

    PRINCIPAL INVESTIGATOR

Study Design

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

Study Record Dates

First Submitted

November 21, 2008

First Posted

November 24, 2008

Study Start

January 7, 2008

Primary Completion

May 15, 2015

Study Completion

May 15, 2015

Last Updated

January 10, 2019

Record last verified: 2019-01

Data Sharing

IPD Sharing
Will not share