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An evaluation of the Acromegaly Treatment Satisfaction Questionnaire (Acro-TSQ) in adult patients with acromegaly, including correlations with other patient-reported outcome measures: data from two large multicenter international studies
PURPOSE: The Acromegaly Treatment Satisfaction Questionnaire (Acro-TSQ) is a new patient-reported outcome (PRO) measure for patients with acromegaly receiving injectable somatostatin analogs (SSAs) to assess clinical symptoms and adverse drug reaction interference, treatment satisfaction, and conven...
Autores principales: | , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Springer US
2020
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7316852/ https://www.ncbi.nlm.nih.gov/pubmed/32221764 http://dx.doi.org/10.1007/s11102-020-01038-y |
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author | Fleseriu, Maria Fogelfeld, Leon Gordon, Murray B. Sisco, Jill Crosby, Ross D. Ludlam, William H. Haviv, Asi Mathias, Susan D. |
author_facet | Fleseriu, Maria Fogelfeld, Leon Gordon, Murray B. Sisco, Jill Crosby, Ross D. Ludlam, William H. Haviv, Asi Mathias, Susan D. |
author_sort | Fleseriu, Maria |
collection | PubMed |
description | PURPOSE: The Acromegaly Treatment Satisfaction Questionnaire (Acro-TSQ) is a new patient-reported outcome (PRO) measure for patients with acromegaly receiving injectable somatostatin analogs (SSAs) to assess clinical symptoms and adverse drug reaction interference, treatment satisfaction, and convenience. We evaluated its scale structure, reliability, validity, responsiveness, and what constitutes clinically meaningful change. METHODS: Data from two longitudinal studies (N = 79 and 82) of patients receiving a stable injectable SSA dose for ≥ 6 months who completed the Acro-TSQ and other collateral measures (e.g., AcroQoL, AIS, WPAI:SHP, EQ-5D-5L) were analyzed. RESULTS: The first study demonstrated internal consistency of the Acro-TSQ. However, several items had high ceiling effects, responsiveness could not be established, and the minimally important difference (MID) was not estimable. In the second study, factor analysis revealed six scales: Symptom Interference, Treatment Convenience, Injection Site Interference, GI Interference, Treatment Satisfaction, and Emotional Reaction. Internal consistency and test–retest reliability were confirmed; most scales demonstrated significant differences in mean scores by disease severity. Correlations between Acro-TSQ scales and other collateral measures exceeded 0.30 in absolute value, confirming convergent validity. Responsiveness in Acro-TSQ scale scores reflected improved disease control. The MID was estimated for Symptom Interference (10–12 points), Treatment Convenience (9–11) and GI Interference (8–10). CONCLUSIONS: The Acro-TSQ is a brief, yet comprehensive tool to monitor important outcomes associated with injectable acromegaly SSA treatments. Its content reflects both disease and treatment burden as well as patient satisfaction, and its relevant for use in clinical studies. ELECTRONIC SUPPLEMENTARY MATERIAL: The online version of this article (10.1007/s11102-020-01038-y) contains supplementary material, which is available to authorized users. |
format | Online Article Text |
id | pubmed-7316852 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2020 |
publisher | Springer US |
record_format | MEDLINE/PubMed |
spelling | pubmed-73168522020-07-01 An evaluation of the Acromegaly Treatment Satisfaction Questionnaire (Acro-TSQ) in adult patients with acromegaly, including correlations with other patient-reported outcome measures: data from two large multicenter international studies Fleseriu, Maria Fogelfeld, Leon Gordon, Murray B. Sisco, Jill Crosby, Ross D. Ludlam, William H. Haviv, Asi Mathias, Susan D. Pituitary Article PURPOSE: The Acromegaly Treatment Satisfaction Questionnaire (Acro-TSQ) is a new patient-reported outcome (PRO) measure for patients with acromegaly receiving injectable somatostatin analogs (SSAs) to assess clinical symptoms and adverse drug reaction interference, treatment satisfaction, and convenience. We evaluated its scale structure, reliability, validity, responsiveness, and what constitutes clinically meaningful change. METHODS: Data from two longitudinal studies (N = 79 and 82) of patients receiving a stable injectable SSA dose for ≥ 6 months who completed the Acro-TSQ and other collateral measures (e.g., AcroQoL, AIS, WPAI:SHP, EQ-5D-5L) were analyzed. RESULTS: The first study demonstrated internal consistency of the Acro-TSQ. However, several items had high ceiling effects, responsiveness could not be established, and the minimally important difference (MID) was not estimable. In the second study, factor analysis revealed six scales: Symptom Interference, Treatment Convenience, Injection Site Interference, GI Interference, Treatment Satisfaction, and Emotional Reaction. Internal consistency and test–retest reliability were confirmed; most scales demonstrated significant differences in mean scores by disease severity. Correlations between Acro-TSQ scales and other collateral measures exceeded 0.30 in absolute value, confirming convergent validity. Responsiveness in Acro-TSQ scale scores reflected improved disease control. The MID was estimated for Symptom Interference (10–12 points), Treatment Convenience (9–11) and GI Interference (8–10). CONCLUSIONS: The Acro-TSQ is a brief, yet comprehensive tool to monitor important outcomes associated with injectable acromegaly SSA treatments. Its content reflects both disease and treatment burden as well as patient satisfaction, and its relevant for use in clinical studies. ELECTRONIC SUPPLEMENTARY MATERIAL: The online version of this article (10.1007/s11102-020-01038-y) contains supplementary material, which is available to authorized users. Springer US 2020-03-27 2020 /pmc/articles/PMC7316852/ /pubmed/32221764 http://dx.doi.org/10.1007/s11102-020-01038-y Text en © The Author(s) 2020 Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. |
spellingShingle | Article Fleseriu, Maria Fogelfeld, Leon Gordon, Murray B. Sisco, Jill Crosby, Ross D. Ludlam, William H. Haviv, Asi Mathias, Susan D. An evaluation of the Acromegaly Treatment Satisfaction Questionnaire (Acro-TSQ) in adult patients with acromegaly, including correlations with other patient-reported outcome measures: data from two large multicenter international studies |
title | An evaluation of the Acromegaly Treatment Satisfaction Questionnaire (Acro-TSQ) in adult patients with acromegaly, including correlations with other patient-reported outcome measures: data from two large multicenter international studies |
title_full | An evaluation of the Acromegaly Treatment Satisfaction Questionnaire (Acro-TSQ) in adult patients with acromegaly, including correlations with other patient-reported outcome measures: data from two large multicenter international studies |
title_fullStr | An evaluation of the Acromegaly Treatment Satisfaction Questionnaire (Acro-TSQ) in adult patients with acromegaly, including correlations with other patient-reported outcome measures: data from two large multicenter international studies |
title_full_unstemmed | An evaluation of the Acromegaly Treatment Satisfaction Questionnaire (Acro-TSQ) in adult patients with acromegaly, including correlations with other patient-reported outcome measures: data from two large multicenter international studies |
title_short | An evaluation of the Acromegaly Treatment Satisfaction Questionnaire (Acro-TSQ) in adult patients with acromegaly, including correlations with other patient-reported outcome measures: data from two large multicenter international studies |
title_sort | evaluation of the acromegaly treatment satisfaction questionnaire (acro-tsq) in adult patients with acromegaly, including correlations with other patient-reported outcome measures: data from two large multicenter international studies |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7316852/ https://www.ncbi.nlm.nih.gov/pubmed/32221764 http://dx.doi.org/10.1007/s11102-020-01038-y |
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