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Levodopa-carbidopa intestinal gel in advanced Parkinson's disease: final 12-month, open-label results.

ABSTRACT: Motor complications in Parkinson's disease (PD) are associated with long-term oral levodopa treatment and linked to pulsatile dopaminergic stimulation. L-dopa-carbidopa intestinal gel (LCIG) is delivered continuously by percutaneous endoscopic gastrojejunostomy tube (PEG-J), which reduces L-dopa-plasma-level fluctuations and can translate to reduced motor complications. We present final results of the largest international, prospective, 54-week, open-label LCIG study. PD patients with severe motor fluctuations (>3 h/day "off" time) despite optimized therapy received LCIG monotherapy. Additional PD medications were allowed >28 days post-LCIG initiation. Safety was the primary endpoint measured through adverse events (AEs), device complications, and number of completers. Secondary endpoints included diary-assessed off time, "on" time with/without troublesome dyskinesia, UPDRS, and health-related quality-of-life (HRQoL) outcomes. Of 354 enrolled patients, 324 (91.5%) received PEG-J and 272 (76.8%) completed the study. Most AEs were mild/moderate and transient; complication of device insertion (34.9%) was the most common. Twenty-seven (7.6%) patients withdrew because of AEs. Serious AEs occurred in 105 (32.4%), most commonly complication of device insertion (6.5%). Mean daily off time decreased by 4.4 h/65.6% (P?

SUBMITTER: Fernandez HH

PROVIDER: S-EPMC4674978 | biostudies-literature | 2015 Apr

REPOSITORIES: biostudies-literature

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Levodopa-carbidopa intestinal gel in advanced Parkinson's disease: final 12-month, open-label results.

Fernandez Hubert H HH Standaert David G DG Hauser Robert A RA Lang Anthony E AE Fung Victor S C VS Klostermann Fabian F Lew Mark F MF Odin Per P Steiger Malcolm M Yakupov Eduard Z EZ Chouinard Sylvain S Suchowersky Oksana O Dubow Jordan J Hall Coleen M CM Chatamra Krai K Robieson Weining Z WZ Benesh Janet A JA Espay Alberto J AJ

Movement disorders : official journal of the Movement Disorder Society 20141224 4

Motor complications in Parkinson's disease (PD) are associated with long-term oral levodopa treatment and linked to pulsatile dopaminergic stimulation. L-dopa-carbidopa intestinal gel (LCIG) is delivered continuously by percutaneous endoscopic gastrojejunostomy tube (PEG-J), which reduces L-dopa-plasma-level fluctuations and can translate to reduced motor complications. We present final results of the largest international, prospective, 54-week, open-label LCIG study. PD patients with severe mot ...[more]

PMID: 25545465

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Project description:Levodopa-carbidopa intestinal gel (LCIG) has shown to be efficacious in motor and non-motor symptoms (NMS). Nevertheless, studies with patient Quality of Life (QoL) as a primary endpoint are scarce. To assess the effect of LCIG on Advanced Parkinson's Disease (APD) patients QoL. Secondarily, the impact on motor symptoms and NMS, emotional well-being, treatment satisfaction, and caregiver QoL, stress, disease burden, anxiety, depression, and work impairment were also investigated. In this prospective, 6-month multicenter postmarketing observational study, LCIG was administered to 59 patients with APD. Endpoints were assessed using validated scales and questionnaires. LCIG significantly improved patient QoL (PDQ-39 mean change ± standard deviation from baseline, -12.8 ± 14.6; P < 0.0001), motor symptoms (UPDRS-III in "On," -6.5 ± 11.8; P = 0.0002), NMS (NMSS, -35.7 ± 31.1; P < 0.0001), mood (Norris/Bond-Lader VAS, -6.6 ± 21.1; P = 0.0297), fatigue (PFS-16, -0.6 ± 1.0; P = 0.0003), depression (BDI-II, -5.1 ± 9.4; P = 0.0002), anxiety (BAI, -6.2 ± 9.6; P < 0.0001), and patient treatment satisfaction (SATMED-Q, 16.1 ± 16.8; P < 0.0001). There were significant correlations between the change from baseline to 6 months between PDQ-39 and UPDRS-IV, NMSS, BAI, BDI-II, AS, and PFS-16 scores, and Norris/Bond-Lader alertness/sedation factor. Caregiver anxiety also improved (Goldberg anxiety scale, -1.1 ± 1.0; P = 0.0234), but the clinical relevance of this finding is questionable. The serious adverse events reported were similar to those previously described for LCIG. In patients with APD, LCIG improves QoL, motor symptoms and NMS, emotional well-being, and satisfaction with the treatment. Improvement in patient QoL is associated with improvements in motor complications, NMS, anxiety, depression, apathy and fatigue. Improvements in patients' QoL does not correspond with improvements in caregivers' QoL or burden.

Project description:ObjectivesLevodopa-carbidopa intestinal gel (LCIG) was developed to reduce motor complications in Parkinson's disease (PD) caused by pulsatile levodopa plasma concentrations following oral levodopa administration. Dyskinesia and 'wearing off' symptoms can vary between Asian and Caucasian patients with PD, thus highlighting the importance of assessing the effectiveness of LCIG in an Asian population. Efficacy and safety of LCIG were previously assessed in a 12-week open-label study; we report the efficacy and safety of at least 52 weeks of LCIG treatment in Japanese, Taiwanese, and Korean patients with advanced PD in the ongoing extension study.MethodsIn this interim analysis of a phase III, open-label, multicenter extension study in Japan, South Korea, and Taiwan [ClinicalTrials.gov identifier: NCT02082249/JapiCTI-142482], the mean change from baseline to final visit in 'off' time, as reported in the PD symptom diary, was normalized to a 16-h waking day. Changes in Parkinson's Disease Questionnaire-39 (PDQ-39) summary index and domains scores were also analyzed. Adverse events (AEs) were recorded.ResultsOf the 28 patients enrolled (21 Japanese, 3 Taiwanese, 4 Korean), 27 completed at least 52 total weeks of treatment, and 25 patients were continuing in the study at data cutoff. The mean [standard deviation (SD)] 'off' time was significantly reduced by 4.6 (3.1) h/day (p < 0.001, n = 28). Patients experienced significant improvements in quality of life, as recorded by the mean change from baseline in PDQ-39 summary index (p < 0.001). All patients had at least one AE; three patients (11%) discontinued due to an AE. There were two deaths (sepsis and drowning), both of which the investigator considered unrelated to LCIG treatment.ConclusionsThese data suggest that LCIG treatment is efficacious, safe, and well tolerated in Japanese, Taiwanese, and Korean patients with advanced PD, thus confirming the consistency of LCIG treatment in patients with advanced PD.

Dataset Information

Levodopa-carbidopa intestinal gel in advanced Parkinson's disease: final 12-month, open-label results.

Publications

Levodopa-carbidopa intestinal gel in advanced Parkinson's disease: final 12-month, open-label results.

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