Apomorphine Titration With and Without Anti-emetic Pretreatment In Patients With Parkinson’s Disease Experiencing off Episodes: A Modified Delphi Panel

Document Type

Article

Publication Date

7-14-2024

Comments

This article is the author's final published version in Clinical Parkinsonism & Related Disorders, Volume 11 , 2024, Article number 100264.

The published version is available at https://doi.org/10.1016/j.prdoa.2024.100264. Copyright © 2024 Published by Elsevier Ltd.

Abstract

INTRODUCTION: In the United States (US), prophylactic treatment with the antiemetic trimethobenzamide has been used before initiating apomorphine therapy. However, US trimethobenzamide stores have been depleted, leaving uncertainty regarding whether antiemetic pretreatment is needed.

METHODS: This modified Delphi panel aimed to inform circumstances when apomorphine is initiated without antiemetic pretreatment. During Round 1, a panel of 9 US movement disorder specialists rated the appropriateness of prescribing apomorphine therapy with and without antiemetic pretreatment across 192 patient scenarios and were able to review their scores in relation to other scores. During the Round 2, consensus was defined for each scenario as either strong (>75 % agreement) or moderate (66 % agreement).

RESULTS: There was strong consensus on 118 of 192 scenario's (97 as appropriate and 21 as inappropriate), moderate consensus on 29 scenarios, some agreement on 32 scenarios, and lack of agreement on 13 scenarios. In the absence of an antiemetic, there was strong consensus that titration schedules should be flexible and based on dose response. However, the group only reached moderate consensus on the speed of titration, highlighting the need for more systematic information on this area. In the presence of an antiemetic, panelists considered usual initial dosing and flexible titration to be appropriate in most scenarios except for when the patient is already experiencing dopaminergic adverse events.

CONCLUSIONS: Experts generally reached consensus that apomorphine can usually be prescribed without antiemetic pretreatment. Recommendations described here reflect the areas of greatest agreement among a panel of experts based on current available evidence.

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Creative Commons License
This work is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 4.0 License.

Additional Files
Supplementary Data 1.pdf (88 kB)
Supplementary Data 1

PubMed ID

39175580

Language

English

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