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Levodopa-carbidopa enteral suspension in advanced Parkinson's disease: clinical evidence and experience.

ABSTRACT: The duration of action of oral levodopa becomes shorter as Parkinson's disease (PD) progresses. Patients with advanced PD may develop potentially disabling motor fluctuations and abnormal involuntary movement (dyskinesia), which cannot be managed with optimized oral or transdermal PD medications. The progressively worsening symptoms can have a substantial impact on the patient quality of life (QoL). Levodopa-carbidopa intestinal gel (LCIG) is delivered continuously via a percutaneous endoscopic gastrostomy with a jejunal extension (PEG-J). LCIG is licensed for the treatment of levodopa-responsive advanced PD in individuals experiencing severe motor fluctuations and dyskinesia when available combinations of antiparkinsonian medications have not given satisfactory results. Initial evidence for the efficacy and tolerability of LCIG came from a number of small-scale studies, but recently, three prospective studies have provided higher quality evidence. A 12-week double-blind comparison of LCIG with standard levodopa therapy, a 52-week open-label study extension of the double-blind study, and a 54-week open-label safety study, demonstrated significant improvements in 'off' time and 'on' time without troublesome dyskinesia, and QoL measures that were maintained in the longer term. There are also observations that LCIG may be effective treatment for nonmotor symptoms (NMS) although the evidence is limited. There is a need for further research on the efficacy of LCIG in reducing NMS, dyskinesia and improving QoL. This review surveys the clinical evidence for the effectiveness and tolerability of LCIG in the management of advanced PD and highlights some practical considerations to help optimize treatment.

SUBMITTER: Virhammar J

PROVIDER: S-EPMC5349373 | biostudies-literature | 2017 Mar

REPOSITORIES: biostudies-literature

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Levodopa-carbidopa enteral suspension in advanced Parkinson's disease: clinical evidence and experience.

Virhammar Johan J Nyholm Dag D

Therapeutic advances in neurological disorders 20161201 3

The duration of action of oral levodopa becomes shorter as Parkinson's disease (PD) progresses. Patients with advanced PD may develop potentially disabling motor fluctuations and abnormal involuntary movement (dyskinesia), which cannot be managed with optimized oral or transdermal PD medications. The progressively worsening symptoms can have a substantial impact on the patient quality of life (QoL). Levodopa-carbidopa intestinal gel (LCIG) is delivered continuously <i>via</i> a percutaneous endo ...[more]

PMID: 28344656

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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.

Dataset Information

Levodopa-carbidopa enteral suspension in advanced Parkinson's disease: clinical evidence and experience.

Publications

Levodopa-carbidopa enteral suspension in advanced Parkinson's disease: clinical evidence and experience.

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