Health-Related Quality of Life for Thyroid Patients

O

Odense University Hospital

Status

Completed

Conditions

Thyroid Diseases

Study type

Observational

Funder types

Other

Identifiers

NCT00150033
011

Details and patient eligibility

About

Background: Thyroid diseases are frequent. They include both metabolic changes and gland enlargement (goitre). Previous research and clinical suspicion indicate that the life quality of many patients is reduced despite successful treatment. Research methods are, however, weak, and a well-tested, disease specific quality of life questionnaire is especially needed. Several treatment possibilities exist for each thyroid disease. For example, hypermetabolism can be treated with either medication, radioactive iodine or by surgery. No comparative studies of quality of life using the different treatment modalities exist. Purpose: To develop and evaluate a questionnaire to measure health-related quality of life in patients suffering from thyroid diseases. Methods: To ensure that all relevant aspects are included, the questionnaire will be developed on the basis of a systematic examination of the scientific literature and interviews with 13 physicians and 100 patients. The questionnaire will then be tested by 100 new patients. After revision, the questionnaire will be answered by 1000 patients with a view to scientifically investigate the measuring capacity of the questionnaire. This will be done using traditional psychology methods (psychometry) as well as modern statistical methods (structural equations for categorical data and "item response" models). Relevance: The above-mentioned questionnaire is necessary for clarifying whether these diseases reduce quality of life and, in the long-term, whether a difference in quality of life exists using the different treatment alternatives and whether treatment can be improved. It should also be included in quality protection studies, in the evaluation of new treatment modalities and possibly also in the treatment of the individual patient.

Enrollment

1,200 estimated patients

Sex

All

Ages

15+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

All patients with benign thyroid disease.

Exclusion criteria

Unable to complete questionnaire: must be able to read and write Danish

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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