Treatment for Opiate Addiction: Prognostic fActors of Responsiveness to

Status Completed

Clinical Trial Summary

A global and integrative treatment of opioid-use disorders (OUD) with opiate maintenance therapy (OMT) and psychosocial interventions is recommended by all current guidelines. Treatment of OUD aim at prevents risks and consequences of opioid use (death by overdose, contamination with infectious diseases, mental and physical degradation, social exclusion and decrease of quality of life). OMT are approved since more than 20 years for OUD and a large number of patients have been treated. Nevertheless, identification of prognosis factors associated with good outcome is still limited. OMT duration, high dosages of OMT and patient good consistency have been identified as good prognosis factors but other individual factors could be involved and explain why OMT isn't as effective for all patients. The investigators assume that social environment, other addictive behaviors, psychiatric comorbidities, personality disorders and pharmacogenetics parameters might be of interest. Association between phenotype/ genotype, safety of OMT and therapeutic outcome will be especially assessed. For voluntary patients specific tools for risk reduction will be implemented (screening of infectious diseases with blood tests and fibrosis with fibroscan). Thus, the aim of TOPAZE study is to highlight prognosis factors for good outcome in the treatment of OUD moderate to severe at 12 months follow-up. Three main axes will be considered: clinical, pharmacological and pharmacogenetics.

Clinical Trial Description

All patients with moderate or severe OUD diagnosis (according to Diagnostic and Statistical Manual Diploma in Social Medicine 5) who initiate OMT in addictionology department of Nantes hospital or in addiction care and prevention centers of Nantes could be included. Data will be collected during 3 visits. During the first visit (inclusion), clinical interview, electrocardiogram, urinary and blood tests (pharmacokinetics and pharmacogenetics analysis) will be provided. Infectious disease screening and fibroscan could be also provided as the patient wishes. Inclusion visit will also correspond to initiation of OMT. At 6 months follow-up (second visit) clinical interview, electrocardiogram, urinary and blood tests (pharmacokinetics and pharmacogenetics analysis) will be provided. At 12 months follow-up (final visit) clinical interview, electrocardiogram and urinary test will be provided. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03729388
Study type	Observational [Patient Registry]
Source	Nantes University Hospital
Contact
Status	Completed
Phase
Start date	May 28, 2019
Completion date	May 28, 2022

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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.

Treatment for Opiate Addiction: Prognostic fActors of Responsiveness to Maintenance Treatment — TOPAZE

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms