Status:

RECRUITING

The Efficacy and Safety of Pregabalin Combined With Venlafaxine in Patients With Fibromyalgia

Lead Sponsor:

Beijing Tiantan Hospital

Collaborating Sponsors:

China-Japan Friendship Hospital

First Affiliated Hospital of Army Medical University, PLA

Conditions:

Fibromyalgia

Pregabalin

Eligibility:

All Genders

18+ years

Phase:

NA

Brief Summary

Fibromyalgia (FM) is a chronic pain syndrome characterized by widespread pain, fatigue, and emotional disorders. Its onset is related to factors such as central sensitization and imbalance of neurotra...

Eligibility Criteria

Inclusion

  • Inclusion Criteria:
  • Diagnosed with FM according to the 2016 Revisions to the 2010/2011 FM diagnostic criteria;
  • Aged 18 years or older;
  • Experiencing moderate to severe FM that have not been effectively alleviated by non-pharmacological treatments and has not received currently recommended pharmacological treatment for FM;
  • Numeric rating scale (NRS) score ≥ 4 at baseline;
  • Aspartate aminotransferase and alanine aminotransferase levels less than twice the upper limit of normal;
  • Estimated glomerular filtration rate of 30 mL/min per 1.73 m2 or higher;
  • Willing to sign the informed consent form and possessing sufficient cognitive and language abilities to comply with all the study requirements.
  • Exclusion criteria
  • History of hypersensitivity to pregabalin, venlafaxine or any of its excipients;
  • History of epilepsy, or depression requiring antidepressant medications;
  • Pregnancy or breastfeeding;
  • Presence of serious systemic diseases, including uncontrolled hypertension, uncontrolled diabetes, or significant cardiac dysfunction;
  • With acute or chronic pain conditions other than FM.

Exclusion

    Key Trial Info

    Start Date :

    September 20 2025

    Trial Type :

    INTERVENTIONAL

    Allocation :

    ESTIMATED

    End Date :

    August 31 2027

    Estimated Enrollment :

    750 Patients enrolled

    Trial Details

    Trial ID

    NCT07186751

    Start Date

    September 20 2025

    End Date

    August 31 2027

    Last Update

    December 8 2025

    Active Locations (2)

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    Page 1 of 1 (2 locations)

    1

    Beijing Tiantan Hospital, Beijing, Beijing 100070

    Beijin, China

    2

    Beijing Tiantan Hospital, Beijing, Beijing 100070

    Beijing, China