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A Prevalence Study of Chronic Widespread Pain (CWP) Among Patients With Rheumatoid Arthritis (RA) and Control Population in Tallinn and Harjumaa County
This study is ongoing, but not recruiting participants.
Sponsored by: Estonian Society for Rheumatology
Information provided by: Estonian Society for Rheumatology
ClinicalTrials.gov Identifier: NCT00721318
  Purpose

The chronic widespread pain (CWP) and fibromyalgia (FM) cause serious discomfort, but at the same time they are not life threatening and they cannot be detected by any laboratory tests. The problems connected with these conditions have gained little attention in Estonia so far. It can be assumed that the CWP and FM often remain undetected and the sufferers live without treatment they need.

So far, there are no data on the prevalence of the CWP and FM in Estonia available.

The goal of the current research is to assess the prevalence of the CWP and local pain syndromes among Estonia's RA patients and among the control population in Tallinn and Harju County; also the factors connected with the presence of the pain and the pain treatment in use.

At the same time there will be a similarly designed research conducted in Jyväskylä Central Hospital, which provides the opportunity to compare results in Estonia's and Finland's research groups. The study on the distribution of the chronic pain among RA patients and control population will allow to assess the magnitude of the problem in Estonia and to raise the awareness of physicians about CWP and significance of its treatment.

Performing the study will provide an experience which forms the base for further epidemiological and clinical research on CWP and FM


Condition
Chronic Widespread Pain

MedlinePlus related topics: Fibromyalgia Rheumatoid Arthritis
U.S. FDA Resources
Study Type: Observational
Study Design: Case Control, Cross-Sectional
Official Title: A Prevalence Study of Chronic Widespread Pain (CWP) Among Patients With Rheumatoid Arthritis (RA) and Control Population Matched by Gender, Age and Place of Residence in Tallinn and Harjumaa County

Further study details as provided by Estonian Society for Rheumatology:

Biospecimen Retention:   None Retained

Biospecimen Description:

Estimated Enrollment: 6000
Study Start Date: May 2008
Estimated Study Completion Date: May 2010
Estimated Primary Completion Date: May 2009 (Final data collection date for primary outcome measure)
Groups/Cohorts
1
Patients diagnosed with rheumatoid arthritis
2
Population controls to the subjects of group 1

  Eligibility

Ages Eligible for Study:   16 Years and older
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No
Sampling Method:   Non-Probability Sample
Study Population

Study population: Tallinn and Harju County (Estonia), population 552,000. The residents of both Tallinn and Harju County receive national health care services.

Criteria

2000 RA patients from the East Tallinn Central Hospital's and the North Estonian Regional Hospital's in- and outpatients who live in Tallinn or Harju County

The control sample will be found from the Population Register through matching by gender, age (the same year) and place of residence (living in the city or in the countryside) with the subjects from RA sample according to the official procedure. If required, the research subjects from the control sample will be contacted by a rheumatologist participating in the study.

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  Contacts and Locations
Please refer to this study by its ClinicalTrials.gov identifier: NCT00721318

Locations
Estonia
East Tallinn Central Hospital
Tallinn, Estonia, 10138
Sponsors and Collaborators
Estonian Society for Rheumatology
  More Information

Responsible Party: Estonian Society for Rheumatology ( Kati Otsa, MD )
Study ID Numbers: Merck35016, 35016
Study First Received: July 22, 2008
Last Updated: July 23, 2008
ClinicalTrials.gov Identifier: NCT00721318  
Health Authority: Estonia: The State Agency of Medicine

Keywords provided by Estonian Society for Rheumatology:
chronic widespread pain
fibromyalgia
rheumatoid arthritis
Estonia

Study placed in the following topic categories:
Autoimmune Diseases
Musculoskeletal Diseases
Myofascial Pain Syndromes
Fibromyalgia
Joint Diseases
Arthritis
Connective Tissue Diseases
Arthritis, Rheumatoid
Pain
Rheumatic Diseases

Additional relevant MeSH terms:
Immune System Diseases

ClinicalTrials.gov processed this record on January 16, 2009