Clinical Research Directory

EFFECTS OF A FULL SPECTRUM CANNABIS EXTRACT WITH DIFFERENT DOSES OF CBD AND THC ON THE MODULATION OF FIBROMYALGIA: A PILOT, MULTICENTER, OPEN LABEL CLINICAL TRIAL (FRIDINHA)

Sponsor: Federal University of Latin American Integration

Summary

The Fridinha Project is a pilot, multicenter, open-label clinical trial that will investigate the therapeutic effects of different CBD and THC dosages in modulating fibromyalgia, a syndrome characterized by widespread chronic pain, fatigue, sleep disturbances, and cognitive impairment. This condition primarily affects women between the ages of 34 and 60, and conventional treatment has shown limited efficacy and significant side effects. Given this scenario, the project proposes the use of cannabinoids extracted from Cannabis sativa to modulate fibromyalgia symptoms, leveraging their analgesic, anti-inflammatory, and neuroprotective properties. The study is based on the hypothesis that the administration of phytocannabinoids may reduce fibromyalgia symptoms and improve patients' quality of life. To achieve this, the protocol includes dose titration, starting with a CBD:THC concentration of 50:10 mg/day, with the possibility of gradual adjustment up to 125:25 mg/day, depending on clinical response. The experimental design includes patient follow-up at seven different time points over six months (T0 to T180). At T0, sociodemographic data will be collected, and several assessments will be conducted, including the Fibromyalgia Impact Questionnaire - Revised, Beck Depression Inventory, Pittsburgh Sleep Quality Index, Short Form-36, Epworth Sleepiness Scale, Beck Hopelessness Scale, NOVA Score, and the UKU Side Effects Rating Scale. Additionally, laboratory tests and polysomnography will be performed. In the subsequent follow-ups (T30, T60, T90, T120, T150, and T180), reassessments of clinical parameters will be conducted, with adjustments to the experimental product dosage as needed. Participant selection will include cisgender women with a confirmed diagnosis of fibromyalgia (according to the American College of Rheumatology criteria), while excluding cases with conditions that could interfere with treatment safety or evaluation, such as pregnancy, recent cannabinoid use, or severe cardiovascular diseases. In summary, the Fridinha Project aims to provide a cannabinoid-based therapeutic alternative for fibromyalgia management, intending to reduce the adverse effects of conventional treatments and significantly improve patients' quality of life. The results are expected to provide a scientific foundation for larger-scale research and support the development of public health policies to expand access to cannabis-based treatments within the Brazilian healthcare system.

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