NCT02312908

Brief Summary

The purpose of this study is to determine whether clonazepam is effective and safe in the treatment of rapid eye movement behavior disorder (RBD) of patients with Parkinson's disease (PD).

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
40

participants targeted

Target at P25-P50 for phase_2

Timeline
Completed

Started Mar 2015

Shorter than P25 for phase_2

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

December 5, 2014

Completed
4 days until next milestone

First Posted

Study publicly available on registry

December 9, 2014

Completed
3 months until next milestone

Study Start

First participant enrolled

March 1, 2015

Completed
1 year until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 1, 2016

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

March 1, 2016

Completed
Last Updated

April 25, 2016

Status Verified

April 1, 2016

Enrollment Period

1 year

First QC Date

December 5, 2014

Last Update Submit

April 21, 2016

Conditions

Keywords

REM Sleep Behavior DisorderParkinson DiseasePlacebosRandomized Controlled TrialDouble-Blind MethodClinical Trial

Outcome Measures

Primary Outcomes (1)

  • Clinical Global Impression-Improvement scale (CGI-I)

    Clinician assessed rating scale of clinical improvement or worsening relative to a baseline state, scored as 1, very much improved; 2, much improved; 3, minimally improved; 4, no change; 5, minimally worse; 6, much worse; or 7, very much worse.

    Four weeks (plus or minus 3 days)

Secondary Outcomes (5)

  • Clinical Global Impression-Severity scale (CGI-S)

    Four weeks (plus or minus 3 days)

  • Epworth Sleepiness Scale (ESS)

    Four weeks (plus or minus 3 days)

  • Parkinson Disease Sleep Scale (PDSS)

    Four weeks (plus or minus 3 days)

  • Montreal Cognitive Assessment (MoCA)

    Four weeks (plus or minus 3 days)

  • Unified Parkinson's Disease Rating Scale (UPDRS)

    Four weeks (plus or minus 3 days)

Study Arms (2)

Clonazepam

EXPERIMENTAL

Clonazepam 0.5 mg 1 Tablet by mouth, 1/day before sleeping for 4 weeks

Drug: Clonazepam

Placebo

PLACEBO COMPARATOR

Placebo 1 Tablet by mouth, 1/day before sleeping for 4 weeks

Drug: Placebo

Interventions

For experimental treatment of RBD

Also known as: Rivotril
Clonazepam

Placebo pill manufactured to mask clonazepam 0.5mg tablet

Also known as: Placebo tablet of Rivotril
Placebo

Eligibility Criteria

Age30 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Subject was enrolled voluntarily and understood the contents of this clinical trial
  • Subject was diagnosed as Parkinson disease (PD) or Parkinson's syndrome
  • Hoehn and Yahr (H\&Y) stage 1, 2, or 3
  • Existence of caregivers who can provide a information about symptoms of rapid eye movement sleep disorder (RBD) of the participant
  • Existence of RBD by answering "yes" to the question (RBD-1Q): "Have you ever been told, or suspected yourself, that you seem to 'act out your dreams' while asleep (for example, punching, flailing your arms in the air, making running movements, etc.)?"

You may not qualify if:

  • Existence of cognitive decline hard to participate in the clinical trial
  • Subject has confusion or visual hallucination in daytime
  • Diagnosed as obstructive sleep apnea or severe snoring
  • Previous clonazepam treatment within 4 weeks
  • Current treatment with benzodiazepines at bedtime
  • Alcoholics or drug abuser
  • Lactating, pregnant, or possible pregnant
  • Hypersensitivity to clonazepam or benzodiazepines
  • Prior participation to other clinical trials within 3 months
  • Presence of severe comorbidities or a cancer
  • Existence of illness or problems which makes difficult to be enrolled to this trial judged by clinicians

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Seoul National University Hospital

Seoul, 110-744, South Korea

Location

Related Publications (11)

  • Arnulf I. REM sleep behavior disorder: motor manifestations and pathophysiology. Mov Disord. 2012 May;27(6):677-89. doi: 10.1002/mds.24957. Epub 2012 Mar 22.

    PMID: 22447623BACKGROUND
  • Sixel-Doring F, Trautmann E, Mollenhauer B, Trenkwalder C. Associated factors for REM sleep behavior disorder in Parkinson disease. Neurology. 2011 Sep 13;77(11):1048-54. doi: 10.1212/WNL.0b013e31822e560e. Epub 2011 Aug 10.

    PMID: 21832215BACKGROUND
  • Postuma RB, Bertrand JA, Montplaisir J, Desjardins C, Vendette M, Rios Romenets S, Panisset M, Gagnon JF. Rapid eye movement sleep behavior disorder and risk of dementia in Parkinson's disease: a prospective study. Mov Disord. 2012 May;27(6):720-6. doi: 10.1002/mds.24939. Epub 2012 Feb 9.

    PMID: 22322798BACKGROUND
  • Gagnon JF, Postuma RB, Montplaisir J. Update on the pharmacology of REM sleep behavior disorder. Neurology. 2006 Sep 12;67(5):742-7. doi: 10.1212/01.wnl.0000233926.47469.73.

    PMID: 16966533BACKGROUND
  • Schenck CH, Hurwitz TD, Mahowald MW. Symposium: Normal and abnormal REM sleep regulation: REM sleep behaviour disorder: an update on a series of 96 patients and a review of the world literature. J Sleep Res. 1993 Dec;2(4):224-231. doi: 10.1111/j.1365-2869.1993.tb00093.x.

    PMID: 10607098BACKGROUND
  • Olson EJ, Boeve BF, Silber MH. Rapid eye movement sleep behaviour disorder: demographic, clinical and laboratory findings in 93 cases. Brain. 2000 Feb;123 ( Pt 2):331-9. doi: 10.1093/brain/123.2.331.

    PMID: 10648440BACKGROUND
  • Howell MJ, Arneson PA, Schenck CH. A novel therapy for REM sleep behavior disorder (RBD). J Clin Sleep Med. 2011 Dec 15;7(6):639-644A. doi: 10.5664/jcsm.1470.

    PMID: 22171203BACKGROUND
  • Aurora RN, Zak RS, Maganti RK, Auerbach SH, Casey KR, Chowdhuri S, Karippot A, Ramar K, Kristo DA, Morgenthaler TI; Standards of Practice Committee; American Academy of Sleep Medicine. Best practice guide for the treatment of REM sleep behavior disorder (RBD). J Clin Sleep Med. 2010 Feb 15;6(1):85-95.

    PMID: 20191945BACKGROUND
  • De Cock VC, Vidailhet M, Arnulf I. Sleep disturbances in patients with parkinsonism. Nat Clin Pract Neurol. 2008 May;4(5):254-66. doi: 10.1038/ncpneuro0775. Epub 2008 Apr 8.

    PMID: 18398415BACKGROUND
  • Postuma RB, Arnulf I, Hogl B, Iranzo A, Miyamoto T, Dauvilliers Y, Oertel W, Ju YE, Puligheddu M, Jennum P, Pelletier A, Wolfson C, Leu-Semenescu S, Frauscher B, Miyamoto M, Cochen De Cock V, Unger MM, Stiasny-Kolster K, Fantini ML, Montplaisir JY. A single-question screen for rapid eye movement sleep behavior disorder: a multicenter validation study. Mov Disord. 2012 Jun;27(7):913-6. doi: 10.1002/mds.25037. Epub 2012 May 30.

    PMID: 22729987BACKGROUND
  • Kunz D, Mahlberg R. A two-part, double-blind, placebo-controlled trial of exogenous melatonin in REM sleep behaviour disorder. J Sleep Res. 2010 Dec;19(4):591-6. doi: 10.1111/j.1365-2869.2010.00848.x.

    PMID: 20561180BACKGROUND

MeSH Terms

Conditions

REM Sleep Behavior DisorderParkinson Disease

Interventions

Clonazepam

Condition Hierarchy (Ancestors)

REM Sleep ParasomniasParasomniasSleep Wake DisordersNervous System DiseasesMental DisordersParkinsonian DisordersBasal Ganglia DiseasesBrain DiseasesCentral Nervous System DiseasesMovement DisordersSynucleinopathiesNeurodegenerative Diseases

Intervention Hierarchy (Ancestors)

BenzodiazepinonesBenzodiazepinesBenzazepinesHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-RingHeterocyclic Compounds

Study Officials

  • Beom Seok Jeon, MD, Ph.D

    Seoul National University Hospital

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor

Study Record Dates

First Submitted

December 5, 2014

First Posted

December 9, 2014

Study Start

March 1, 2015

Primary Completion

March 1, 2016

Study Completion

March 1, 2016

Last Updated

April 25, 2016

Record last verified: 2016-04

Locations