What the study found
People with advanced Parkinson’s disease and their care partners placed the greatest importance on the route of administration, meaning how a treatment is delivered, and on hours of ON time without troublesome dyskinesia, meaning time when symptoms are controlled without unwanted movements. Nonsurgical treatments were strongly preferred, and oral pills were the most preferred option.
Why the authors say this matters
The authors conclude that understanding these preferences may support more informed and meaningful decision-making between healthcare providers, people with advanced Parkinson’s disease, and care partners. The study suggests that treatment choices should reflect both symptom control and how a treatment is delivered.
What the researchers tested
The researchers ran a discrete choice experiment, a survey method that asks people to choose between hypothetical treatment options with different features. They included 304 participants from the U.S., U.K., and Germany: 223 people with advanced Parkinson’s disease and 81 care partners. The treatments varied across seven attributes, including ON time without troublesome dyskinesia, early morning OFF time, side effect risks, route of administration, pill regimen frequency, and device maintenance.
What worked and what didn't
In the survey analysis, route of administration had the highest conditional relative importance score, followed by hours of ON time without troublesome dyskinesia. The other attributes were of similar importance to one another. Nonsurgical treatments were strongly preferred, with oral pills preferred most, followed by subcutaneous infusion without surgery.
What to keep in mind
The abstract does not describe limitations in detail. The findings come from a choice experiment using hypothetical treatments, so they reflect stated preferences within the survey design rather than actual treatment decisions.
Key points
- 304 participants were included: 223 people with advanced Parkinson’s disease and 81 care partners.
- Route of administration was the most important treatment attribute in the survey.
- Hours of ON time without troublesome dyskinesia was the second most important attribute.
- Oral pills were the most preferred treatment format.
- Nonsurgical treatments were strongly preferred over surgical options.
Disclosure
- Research title:
- Advanced Parkinson’s patients prioritized efficacy and route of administration
- Authors:
- Pablo Arija, Josefa Domingos, Irene A. Malaty, Rajesh Pahwa, K. Ray Chaudhuri, Angelo Antonini, Hannah Penton, Marieke Heisen, Connie H. Yan, Pavnit Kukreja, Elaheh Shirneshan, Inyoung Lee, Megha Shah, Juan Carlos Parra, Marco Boeri
- Institutions:
- AbbVie (United States), AbbVie (United States), AbbVie (United States), AbbVie (United States), AbbVie (United States), AbbVie (United States), Escola Superior de Saúde Egas Moniz, IRCCS San Camillo Hospital, King's College – North Carolina, Parkinson's UK, Patient-Centered Outcomes Research Institute, Queen's University Belfast, The Open Group, UK Dementia Research Institute, University of Florida, University of Kansas Medical Center, University of Padua
- Publication date:
- 2026-04-02
- OpenAlex record:
- View
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