Status:

RECRUITING

The Effect of Griffonia Simplicifolia on Pain Intensity, Central and Peripheral Sensitization, Painmodulation in Healthy Volunteers

Lead Sponsor:

Medical University of Graz

Conditions:

Chronic Pain

Central Sensitisation

Eligibility:

All Genders

18-99 years

Phase:

NA

Brief Summary

This planned study is based on a randomized, placebo-controlled cross-over design. Griffonia simplicifolia contains the serotonin-precursor 5-hydroxytryptophan (5-HTP), an endogenous amino acid. 5-HT...

Detailed Description

Griffonia simplicifolia contains the serotonin-precursor 5-hydroxytryptophan (5-HTP), an endogenous amino acid. 5-HTP can cross the blood-brain barrier and is converted to serotonin. Low serotonin lev...

Eligibility Criteria

Inclusion

  • Exclusion Criteria:
  • pregnancy or breastfeeding.
  • renal or hepatic insufficiency
  • neurological/dermatological/cardiovascular diseases
  • chronic pain and/or use of analgesics
  • intake of antidepressants
  • intake of MAO inhibitors
  • intake of sleep medication
  • intake of St. John's wort
  • allergy to Griffonia simplicifolia

Exclusion

    Key Trial Info

    Start Date :

    September 12 2025

    Trial Type :

    INTERVENTIONAL

    Allocation :

    ESTIMATED

    End Date :

    December 20 2025

    Estimated Enrollment :

    20 Patients enrolled

    Trial Details

    Trial ID

    NCT06893822

    Start Date

    September 12 2025

    End Date

    December 20 2025

    Last Update

    June 17 2025

    Active Locations (1)

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    Medical University of Graz

    Graz, Austria, 8010