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

Retzler, Jenny, Smith, Adam B., Oliveira Goncalves, Ana and Whitty, Jennifer ORCID: https://orcid.org/0000-0002-5886-1933 (2019) Preferences for the administration of testosterone gel: Evidence from a discrete choice experiment. Patient Preference and Adherence, 13. pp. 657-664. ISSN 1177-889X

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Abstract

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.

Item Type:	Article
Faculty \ School:	Faculty of Medicine and Health Sciences > Norwich Medical School
UEA Research Groups:	Faculty of Medicine and Health Sciences > Research Groups > Public Health and Health Services Research (former - to 2023) Faculty of Medicine and Health Sciences > Research Groups > Health Services and Primary Care Faculty of Medicine and Health Sciences > Research Groups > Respiratory and Airways Group Faculty of Medicine and Health Sciences > Research Groups > Health Economics
Depositing User:	LivePure Connector
Date Deposited:	03 Jun 2019 10:30
Last Modified:	21 Oct 2022 22:32
URI:	https://ueaeprints.uea.ac.uk/id/eprint/71230
DOI:	10.2147/PPA.S197469

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