Neurology and therapy · 2022
Patterns of Daily Motor-Symptom Control with Carbidopa/Levodopa Enteral Suspension Versus Oral Carbidopa/Levodopa Therapy in Advanced Parkinson's Disease: Clinical Trial Post Hoc Analyses.
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Pahwa Rajesh, Aldred Jason, Gupta Niodita, Terasawa Emi, Garcia-Horton Viviana, Steffen David R, Kandukuri Prasanna L, Chaudhari Vivek S, Jalundhwala Yash J, Bao Yanjun, Kukreja Pavnit, Isaacson Stuart H
Аннотация
INTRODUCTION: A clinical trial in advanced Parkinson's disease (APD) has established the superiority of carbidopa/levodopa enteral suspension (CLES) in reducing total patient "off" time (OFF) and increasing total "on" time without troublesome dyskinesia (ON-woTD) over orally administered immediate-release carbidopa/levodopa tablets (IR-CL). However, temporal patterns of these improvements throughout the waking day have not been examined. In this analysis, time to ON-woTD after waking and patterns of motor-symptom control throughout the waking day were compared between CLES and IR-CL.
METHODS: Post hoc analyses of APD patient-diary data from the phase 3 randomized controlled trial were used to compare changes in time to ON-woTD after waking, motor-symptom control throughout the waking day, occurrence of extreme fluctuations between OFF and "on" with troublesome dyskinesia, and motor-state transitions with CLES versus IR-CL from baseline to week 12.
RESULTS: The sample included 33 CLES-treated and 30 IR-CL-treated patients. Among the CLES group, the percentage of patient days achieving ON-woTD within 30 min of waking was three times higher at week 12 versus baseline (33% vs. 11%, p = 0.0043); no significant change occurred with IR-CL. When the waking day was divided into four 4-h periods, CLES versus IR-CL treatment produced significantly greater reductions in OFF during three periods, and two periods had increased ON-woTD. Fewer CLES-treated patients had extreme fluctuations at week 12 (3% vs. 23%, p = 0.0224) compared to IR-CL-treated patients. From baseline to week 12, CLES-treated patients had greater reductions in the average number of motor-state transitions compared to IR-CL-treated patients (- 1.6, p = 0.0295).
CONCLUSION: CLES-treated patients experienced a more rapid onset of ON-woTD after waking and greater consistency of ON-woTD throughout their waking day than IR-CL-treated patients.
METHODS: Post hoc analyses of APD patient-diary data from the phase 3 randomized controlled trial were used to compare changes in time to ON-woTD after waking, motor-symptom control throughout the waking day, occurrence of extreme fluctuations between OFF and "on" with troublesome dyskinesia, and motor-state transitions with CLES versus IR-CL from baseline to week 12.
RESULTS: The sample included 33 CLES-treated and 30 IR-CL-treated patients. Among the CLES group, the percentage of patient days achieving ON-woTD within 30 min of waking was three times higher at week 12 versus baseline (33% vs. 11%, p = 0.0043); no significant change occurred with IR-CL. When the waking day was divided into four 4-h periods, CLES versus IR-CL treatment produced significantly greater reductions in OFF during three periods, and two periods had increased ON-woTD. Fewer CLES-treated patients had extreme fluctuations at week 12 (3% vs. 23%, p = 0.0224) compared to IR-CL-treated patients. From baseline to week 12, CLES-treated patients had greater reductions in the average number of motor-state transitions compared to IR-CL-treated patients (- 1.6, p = 0.0295).
CONCLUSION: CLES-treated patients experienced a more rapid onset of ON-woTD after waking and greater consistency of ON-woTD throughout their waking day than IR-CL-treated patients.