Effect of HF rTMS on Serum BDNF in Cocaine Use Disorder

Status Recruiting

Clinical Trial Summary

This study aims to explore the effect of 5-Hz rTMS over the left dorsolateral prefrontal cortex on the BDNF, craving and cognitive function. This study will be longitudinal, with a short-term double-blind placebo-controlled phase consisting of 20 rTMS sessions and a long-term phase, consisting of 2 weekly sessions for 12 weeks. Participants will be clinically assessed pre-treatment (T0), after 20-sessions phase (T1) and after 12-weeks phase (T2) by an interview about psychiatric symptoms. Also, blood will be obtained in the same T0, T1 and T2 to peripheral levels of BDNF determination. Cognitive state will be measured at the same time-points (T0, T1, T2) by paper-pencil and computerized neuropsychological assessment. Researchers will compare active rTMS versus placebo 5 Hz-rTMS on described variables. Additionally, a comparative group (without rTMS intervention) will be included to equivalently measure described variables during periods without cocaine consumption.

Clinical Trial Description

Brain derived neurotrophic factor (BDNF) is a widely explored neurotrophin in preclinical models of cocaine addiction with relevant phase and region dependent dynamics along addictive cycle. In humans with cocaine use disorder (CUD), peripheral BDNF have revealed relationship with relevant treatment outcomes as relapse and time of abstinence. In CUD several interventional studies using high frequency repetititve transcranial magnetic stimulation (rTMS) have shown craving reduction, mood improvements and sustained modifications in functional conectivity measued by fMRI. Due to the relevance of BDNF in CUD, and neuroplasticity-related processes derived from rTMS interventions, this study aims to determine changes in peripheral BDNF, craving, cognition in CUD in reponse to rTMS. Aditionally, other outcomes will be considered as depression, anxiety and motivational changes. Procedure: Psychiatric clinical and cognitive assessment, and blood collection will be performed at T0, T1 and T2 time-points. Short-term rTMS phase will consist of two weeks (weekdays) with 2 rTMS or rTMS-placebo sessions (detaills in arms section). Then, two sessions per week along 12 weeks as maintenance therapy will be considered. No rTMS group will attend the same time points and assessment in a controlled facility. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT06189690
Study type	Interventional
Source	Instituto Nacional de Psiquiatría Dr. Ramón de la Fuente
Contact	Erik D. Morelos-Santana, Ph D. Candidate
Phone	5255416053503
Email	emorelos@imp.edu.mx
Status	Recruiting
Phase	N/A
Start date	January 6, 2022
Completion date	December 1, 2027

View Details

See also
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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.