Risk for Mortality in High versus Low Antiparkinsonian Therapy Dose During the First Year of Parkinson’s Disease: A Real-World Study

Yael Barer*, Olga Sánchez-Soliño, Gabriel Chodick, Meital Grabarnik-John, Shiran Naftelberg Blonder, Neta li Feurestein-Ganor, Lars Bergmann, Connie H. Yan, Sivan Gazit, David Arkadir

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Introduction: Early, simple predictors for long-term survival in Parkinson’s disease (PD) may help identify patients at elevated risk and are crucial for more personalized treatment. Methods: This large, retrospective study examined whether higher levodopa equivalent daily dose (LEDD) a year after diagnosis predicts long-term survival. Results: Mortality risk was increased among 292 patients receiving ≥ 600 mg LEDD versus 2233 patients receiving < 600 mg LEDD (hazard ratio 1.5; 95% confidence interval 1.3–1.7), particularly among patients aged < 75 years (1.8; 1.4–2.4). Conclusion: In PD, higher LEDD can be an early risk marker of increased mortality, probably because it reflects more severe disease.

Original languageEnglish
Pages (from-to)3419-3425
Number of pages7
JournalAdvances in Therapy
Volume41
Issue number8
DOIs
StatePublished - Aug 2024

Funding

FundersFunder number
AbbVie

    Keywords

    • Antiparkinson’s agents
    • Drug dosage calculations
    • Mortality
    • Parkinson’s disease

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