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44 active trials for Substance Abuse

Delivering Contingency Management in Outpatient Addiction Treatment

Methamphetamine misuse has become a growing concern in Alberta, creating a burden on the health care system. Further, individuals who use methamphetamine in Alberta exhibit significant difficulty remaining in treatment. These troubling patterns necessitate the provision of evidence-based practices (EBPs)-those grounded in empirical evidence-to ensure the best possible care and outcomes for those struggling with this addiction. Within the field of substance use (SU), contingency management (CM) is an extensively studied evidence-based treatment (EBT) for addictive disorders. CM is an intervention that provides incentives to encourage positive behavioural change. Compared to standard care (treatment-as-usual (TAU)), CM has resulted in improvements in abstinence, attendance, adherence, retention, and quality of life. The efficacy of CM has largely been investigated in the context of reinforcing abstinence, though the literature suggests that CM which reinforces attendance may be as effective. Research from the US has examined the cost-effectiveness of CM and found that although CM costs more, it was associated with greater abstinence, treatment completion, and substance-absent urine compared to TAU. Despite the promising literature, the uptake of CM in Canada is limited making it difficult to understand whether this EBT is equally efficacious as compared to the US. This study will implement and evaluate the efficacy of virtually delivered attendance-based CM in outpatient addiction treatment in Alberta. Participants (N=544) will be individuals seeking treatment for methamphetamine use (n=304) and individuals seeking treatment for substance use issues other than methamphetamine use (n=240). It is hypothesized that compared to participants in TAU, participants in CM will evidence: (1) greater retention, (2) greater attendance, (3) greater abstinence from methamphetamine and less methamphetamine use, (4) greater abstinence from other SU and less SU, and (5) greater improvement in quality of life over the intervention and follow-up periods. Exploratory aims include understanding how: outcomes differ based remote versus in-person delivery of CM; outcomes differ between participants who use methamphetamine and participants who use substances other than methamphetamine; the costs of CM differ from TAU; CM changes health service use.

Start: March 2021
Treatment Outcomes Under a Standardized Treatment Protocol in Patients Suffered Substance Abuse Related Voiding Dysfunction

With the increase of substance abuse over the world, substance abuse e.g. ketamine and methamphetamine related voiding dysfunction is becoming an important medical problem. However, while the clinical manifestation of the condition is becoming better defined, the underlying pathophysiology is still poorly understood. Moreover, majority of the current treatment is just based on the experience on some small case series and there is no treatment data for larger patient sample or standard recommended treatment in the literature. In order to improve the management of this condition, investigators have formulated a treatment protocol based on the current literatures on the management of voiding dysfunction and also a similar condition, interstitial cystitis / painful-bladder syndrome (IC/PBS). The protocol basically consists of the following modalities: Basic information and education on the condition, principle of treatment and psychosocial support. First line treatment will include a course of oral anti-inflammatory drugs (for the control of the inflammation process and pain) and anticholinergic agents (for the irritative urinary symptoms). If these simple oral medication are found to be not effective, then further treatment will include other oral medications, such as amitriptyline and gabapentin, and some drugs that directly applied into the bladder cavity (hyaluronate) or bladder muscle (botulinum toxin). For those patients with intractable symptoms and failed all the above treatments, surgical treatment (hydrodistension, augmentation cystoplasty) will be discussed. The purpose of this research is to assess the effectiveness of the above treatment protocol in the management of substance induced voiding dysfunction and also assess any possible adverse events related to the usage of the drugs.

Start: December 2011