Wearing-off Questionnaire (WOQ)

Stacy M; Hauser R; Oertel W; Schapira A; Sethi K; Stocchi F; Tolosa E


Basic description

WOQ-9 (published in 2006) and WOQ-19 (published in 2007) were derived from WOQ-32, developed in 2005 as a prototype tool.

WOQ-9 was preferred for its shorter length.


Stacy M; Hauser R; Oertel W; Schapira A; Sethi K; Stocchi F; Tolosa E

© Copyright 2007. Duke University Medical Center. All rights reserved. Direct all correspondence to Mark Stacy, Duke University Medical Center, DUMC Box #3333, Durham, NC 27705, USA; (919) 668-2493; Fax: (919) 681-4935 (email address: mark.stacy@duke.edu)
To screen for Wearing-off (WO) symptoms in patients with Parkinson Disease (PD)
Therapeutic area
  • Nervous System Diseases
Therapeutic indication

Parkinson Disease

Type of Clinical Outcome Assessment (COA)
  • pro PRO
Original language(s)
  • English for the USA
8 translation(s)
Bibliographic reference(s) of the original questionnaire

Stacy M, Hauser R, Oertel W, Schapira A, Sethi K, Stocchi F, Tolosa E. End-of-dose wearing off in Parkinson disease: a 9-question survey assessment. Clin Neuropharmacol. 2006 Nov-Dec;29(6):312-21 (PubMed abstract)

Stacy M, Hauser R. Development of a Patient Questionnaire to facilitate recognition of motor and non-motor wearing-off in Parkinson's disease. J Neural Transm (Vienna). 2007 Feb;114(2):211-7 (PubMed abstract)

Stacy MA, Murphy JM, Greeley DR, Stewart RM, Murck H, Meng X; COMPASS-I Study Investigators. The sensitivity and specificity of the 9-item Wearing-off Questionnaire. Parkinsonism Relat Disord. 2008;14(3):205-12 (PubMed abstract)

Member Access

Subscribe to PROQOLID to access to full information

Access to advanced descriptions of Clinical Outcome Assessments (COAs)

A question? Contact us