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Preferences for the administration of testosterone gel: evidence from a discrete choice experiment

Objectives: Differences in testosterone replacement therapy (TRT) gel products may affect patient satisfaction, quality-of-life, and treatment response and adherence. This study investigated preferences for TRT gel in terms of formulation and administration. Methods: 525 male adults aged 45 years an...

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Autores principales: Retzler, Jenny, Smith, Adam B, Oliveira Gonçalves, Ana Sofia, Whitty, Jennifer A
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Dove 2019
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6509244/
https://www.ncbi.nlm.nih.gov/pubmed/31118589
http://dx.doi.org/10.2147/PPA.S197469
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author Retzler, Jenny
Smith, Adam B
Oliveira Gonçalves, Ana Sofia
Whitty, Jennifer A
author_facet Retzler, Jenny
Smith, Adam B
Oliveira Gonçalves, Ana Sofia
Whitty, Jennifer A
author_sort Retzler, Jenny
collection PubMed
description Objectives: Differences in testosterone replacement therapy (TRT) gel products may affect patient satisfaction, quality-of-life, and treatment response and adherence. This study investigated preferences for TRT gel in terms of formulation and administration. Methods: 525 male adults aged 45 years and over completed a discrete choice experiment. Respondents made repeated choices between two hypothetical testosterone gel treatments described according to four attributes: form, ease of use, impact of use on showering/swimming, and location/dosage of the application. Choice data were analyzed using a latent class model. Results: Three preference classes were identified. Respondents across all classes displayed a preference for the gel being dispensed in smaller units with accurate dosing, waiting shorter times after the gel application before swimming/showering, and using 2.5 gm of gel to be applied to the inner thigh/abdomen as opposed 5 gm to shoulder/abdomen. The importance of these characteristics differed across classes, with preference class membership predicted by age and education level. For instance, younger men (aged 45–64 years) were more likely to belong to a class that prioritized reduced waiting time before being able to undertake activities. Formulation was not an important driver of choice. Conclusions: Preferences demonstrate a predilection for TRT gel dispensed in small units allowing precise dosing, shorter waiting time after application, and application to the inner thigh/abdomen. However, the strength of importance of these characteristics differs between men. This study highlights the attributes of TRT gel considered important to patient subgroups, and which may ultimately affect treatment response, medication adherence, and patient quality-of-life.
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spelling pubmed-65092442019-05-22 Preferences for the administration of testosterone gel: evidence from a discrete choice experiment Retzler, Jenny Smith, Adam B Oliveira Gonçalves, Ana Sofia Whitty, Jennifer A Patient Prefer Adherence Original Research Objectives: Differences in testosterone replacement therapy (TRT) gel products may affect patient satisfaction, quality-of-life, and treatment response and adherence. This study investigated preferences for TRT gel in terms of formulation and administration. Methods: 525 male adults aged 45 years and over completed a discrete choice experiment. Respondents made repeated choices between two hypothetical testosterone gel treatments described according to four attributes: form, ease of use, impact of use on showering/swimming, and location/dosage of the application. Choice data were analyzed using a latent class model. Results: Three preference classes were identified. Respondents across all classes displayed a preference for the gel being dispensed in smaller units with accurate dosing, waiting shorter times after the gel application before swimming/showering, and using 2.5 gm of gel to be applied to the inner thigh/abdomen as opposed 5 gm to shoulder/abdomen. The importance of these characteristics differed across classes, with preference class membership predicted by age and education level. For instance, younger men (aged 45–64 years) were more likely to belong to a class that prioritized reduced waiting time before being able to undertake activities. Formulation was not an important driver of choice. Conclusions: Preferences demonstrate a predilection for TRT gel dispensed in small units allowing precise dosing, shorter waiting time after application, and application to the inner thigh/abdomen. However, the strength of importance of these characteristics differs between men. This study highlights the attributes of TRT gel considered important to patient subgroups, and which may ultimately affect treatment response, medication adherence, and patient quality-of-life. Dove 2019-05-01 /pmc/articles/PMC6509244/ /pubmed/31118589 http://dx.doi.org/10.2147/PPA.S197469 Text en © 2019 Retzler et al. http://creativecommons.org/licenses/by-nc/3.0/ This work is published and licensed by Dove Medical Press Limited. The full terms of this license are available at https://www.dovepress.com/terms.php and incorporate the Creative Commons Attribution – Non Commercial (unported, v3.0) License (http://creativecommons.org/licenses/by-nc/3.0/). By accessing the work you hereby accept the Terms. Non-commercial uses of the work are permitted without any further permission from Dove Medical Press Limited, provided the work is properly attributed. For permission for commercial use of this work, please see paragraphs 4.2 and 5 of our Terms (https://www.dovepress.com/terms.php).
spellingShingle Original Research
Retzler, Jenny
Smith, Adam B
Oliveira Gonçalves, Ana Sofia
Whitty, Jennifer A
Preferences for the administration of testosterone gel: evidence from a discrete choice experiment
title Preferences for the administration of testosterone gel: evidence from a discrete choice experiment
title_full Preferences for the administration of testosterone gel: evidence from a discrete choice experiment
title_fullStr Preferences for the administration of testosterone gel: evidence from a discrete choice experiment
title_full_unstemmed Preferences for the administration of testosterone gel: evidence from a discrete choice experiment
title_short Preferences for the administration of testosterone gel: evidence from a discrete choice experiment
title_sort preferences for the administration of testosterone gel: evidence from a discrete choice experiment
topic Original Research
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6509244/
https://www.ncbi.nlm.nih.gov/pubmed/31118589
http://dx.doi.org/10.2147/PPA.S197469
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