Central Pain Mechanisms and Clinical and Psychological Factors Associated With Pain Interference in Daily Life in Adults With Hemophilia and Hemophilic Arthropathy

Sponsor
Investigación en Hemofilia y Fisioterapia
Study ID
NCT07516730
Status
Not Yet Recruiting

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Conditions

Eligibility Criteria

Sex
MALE
Age
35 Years - N/A
Healthy Volunteers
Not accepted

Study Details

Introduction. Chronic pain is a frequent complication in adults with hemophilia and hemophilic arthropathy that affects functionality and quality of life. In addition to joint damage, central pain mechanisms and psychological factors may contribute to its functional impact, although evidence in this population is limited. Objective. To analyze the association between central pain mechanisms, pain intensity, and pain-related anxiety and pain interference in daily life in adults with hemophilia and hemophilic arthropathy, adjusting for relevant clinical variables. Methods. An analytical observational study with a cross-sectional design will be conducted in 138 adults with hemophilia and hemophilic arthropathy. The dependent variable will be pain interference in daily life (Brief Pain Inventory), the main predictor variables will be central sensitization (Central Sensitization Inventory), conditioned pain modulation (Conditioned Pain Modulation Index), global pain intensity (severity subscale of the Brief Pain Inventory), and pain-related anxiety (Pain Anxiety Symptoms Scale-20). As secondary predictor variables, sleep quality (Pittsburgh Sleep Quality Index) and pain self-efficacy (Pain Self-Efficacy Questionnaire) will be included. As confounding variables, joint damage, age, type of treatment, and history of inhibitor will be considered. The association between variables will be analyzed using multiple linear regression models adjusted for relevant clinical covariates. Expected results. It is expected to identify factors associated with pain interference in adults with hemophilia and hemophilic arthropathy, improving the understanding of its functional impact.

Key Dates

Start date
Apr 22, 2026
Status verified
Apr 2026
Primary completion
Jun 30, 2026
Completion
Jul 11, 2026

Study Design

Enrollment
138 participants (estimated)

Arms

  • Arm: Observational group
    adults with hemophilia and hemophilic arthropathy

Primary Outcome Measure

Assessment of pain interference in daily life and global pain intensity at baseline. [ Time Frame: Baseline ]

Central Contacts

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