Constipation Clinical Trial
Official title:
CONSIST- Constipation Symptoms Observational Study: A Multicenter, Cross-Sectional Study to Assess Different Diagnostic Criteria of Chronic Constipation in Asia
The purpose of the study is to evaluate the differences or similarities in the results obtained with two different scoring systems for chronic constipation in Asian participants consulting in gastroenterology clinics (the Asian Neurogastro-enterology and Motility Association (ANMA) chronic constipation (CC) diagnostic tool (diagnosis questionnaire) and the ROME III diagnosis criteria (western gold standard).
This is an observational (investigators observe participants and measure outcomes without assigning a treatment), non-product specific, regional multicenter (conducted at multiple sites) and multicountry, cross-sectional (observation of all members of a population at one specific point in time), epidemiological study (study of the patterns, causes, and effects of health and disease conditions in defined populations). The study will be conducted in 3 steps. In Step 1 (screening phase), all adult participants visiting their gastroenterologist (for any condition) within a 3 month period will be screened using the ANMA screening worksheet. In Step 2A (diagnosis phase - during investigator chosen consecutive consultation days), all the eligible participants will be required to complete a combination Diagnosis Questionnaire to obtain a diagnosis of CC based on different criteria: self-defined, investigator-judgement, ANMA tool, and ROME III criteria. Details about previous examinations and demography will also be collected during Step 2A of the study, together with Patient Assessment of Constipation Symptoms (PAC-SYM). Participants with a positive response to the ANMA diagnosis tool will proceed to Step 2B. In Step 2B (documentation phase), more information about the participant will be collected using the documentation questionnaire: demography, medical history, history of CC, current symptoms of CC, comorbidities, past and current medications for CC. The Patient Assessment of Constipation-Quality of Life (PAC-QOL) scale will be used to assess participant's satisfaction with their current treatment. Approximately 2000 participants will be screened to yield approximately 400 participants with suspected chronic constipation for whom the Diagnostic and Documentation Questionnaire will be filled in. Safety evaluations will include assessment of adverse events and special reporting situations such as pregnancy. ;
Observational Model: Cohort, Time Perspective: Cross-Sectional
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