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Neurol Neurochir Pol. 2019;53(4):291-295. doi: 10.5603/PJNNS.a2019.0036. Epub 2019 Aug 23.

A new therapeutic strategy with istradefylline for postural deformities in Parkinson's disease.

Author information

1
Department of Neurology, Murakami Karindoh Hospital, Fukuoka, Japan.
2
Department of Neurology, Fukuoka University School of Medicine, Fukuoka, Japan.
3
Department of Internal Medicine, Murakami Karindoh Hospital, Fukuoka, Japan.
4
Department of Rehabilitation, Murakami Karindoh Hospital, Fukuoka, Japan.
5
Department of Neurology, Fukuoka University School of Medicine, Fukuoka, Japan. tsuboi@cis.fukuoka-u.ac.jp.

Abstract

AIM OF THE STUDY:

Postural deformities are common in Parkinson's disease (PD) patients. Several treatment options have been reported, but responses to these treatments appear unpredictable. Istradefylline is a novel drug for PD. Cases of PD patients whose postural deformities were improved after withdrawal of dopamine agonists and initiation of istradefylline are presented.

MATERIALS AND METHODS:

Four consecutive patients with postural deformities including antecollis, Pisa syndrome, and camptocormia were recruited and treated with istradefylline in combination with withdrawal of dopamine agonists, which are possible causes of postural deformities.

RESULTS:

The dopamine agonists were discontinued an average of 26 months after the development of the postural deformities, and istradefylline was initiated an average of 1.3 months after dopamine agonist withdrawal. Three patients with preserved paraspinal muscle volume showed good responses to the treatment regimen at least two months after dopamine agonist withdrawal.

CONCLUSIONS AND CLINICAL IMPLICATIONS:

Postural deformities caused by dopamine agonists generally improve less than two weeks after dopamine agonist withdrawal. Given the response time in the present study, the response was unlikely to be caused solely by dopamine agonist withdrawal. Istradefylline can be a potential therapeutic option; however, appropriate selection of patients for treatment with istradefylline is warranted.

KEYWORDS:

Parkinson’s disease; Pisa syndrome; antecollis; camptocormia; istradefylline; postural deformity

PMID:
31441493
DOI:
10.5603/PJNNS.a2019.0036
[Indexed for MEDLINE]

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