Efficacy of operant- and cognitive-behavioral treatments in fibromyalgia syndrome: analysis of psychophysiological reactivity (Th 899/2-1) and analysis of psychophysiological reactivity in fibromyalgia-syndrome after operant- or cognitive-behavioral pain therapy in fibromyalgia-syndrome (Th 899/2-2)

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

ISRCTN

Registry ID

ISRCTN83953414

Enrollment

180

Registered

2006-02-20

Start date

2000-04-01

Completion date

Unknown

Last updated

2015-01-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Fibromyalgia syndrome Musculoskeletal Diseases Fibromyalgia syndrome

Interventions

The operant- and cognitive-behavioral pain therapy were compared to an attention placebo group (a social discussion group), a physiotherapy and a wait-list control group

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Participants must suffer from FMS as validated by a rheumatologist 2. They must meet the American College of Rheumatology (ACR) criteria for FMS 3. Pain for a period of at least six months 4. Married, and must show willingness of the spouse to be involved 5. Ability to complete the questionnaires and understand the treatment components

Exclusion criteria

Exclusion criteria: 1. Inflammatory rheumatic diseases 2. Acute episode of carcinoma 3. Psychotic episode 4. Opioid abuse

Design outcomes

Primary

Measure	Time frame
1. Pain 2. Physical impairment 3. Affective distress	—

Secondary

Measure	Time frame
1. Coping 2. Catastrophizing 3. Pain behaviour 4. Number of physician visits 5. Spouse behavior	—

Countries

Germany

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026