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Introduction: One of the major problems presented to the mental health of substance users is the presence of suicidal thoughts and beliefs. Paying attention to metacognitive beliefs and schemas predict suicidal thoughts can be considered very important in counseling and psychotherapy. The present study aimed to predict suicidal thoughts based on metacognitive beliefs and emotional schemas in male substance users in Ilam, Iran. Material & Methods: This descriptive-analytical study investigated the relationship of suicidal thoughts with metacognitive beliefs and emotional schemas in male substance abusers in Ilam, in 2021-2022. A total of 170 male substance users were selected via the convenience sampling method. Data collection tools included a demographic questionnaire form, the Beck Suicidal Thought Questionnaire (BSSI), the Wells Metacognitive Belief Questionnaire (MCQ30), and the Leahy Emotional Schema Questionnaire (ESS-P). The data were analyzed in SPSS software (version 21) using Pearson's correlation test and multiple regressions. Findings: The results pointed to a significant negative relationship between positive schema and tendency to suicidal thoughts (P=0.001; r=-0.430). Moreover, there was a significant positive relationship between negative schema and a tendency to suicidal thoughts (P=0.001; r=0.621). Furthermore, a tendency to suicidal thoughts showed a significant positive relationship with anxiety (r=0.334), negative belief (r=0.432), low cognition (r=0.376), negative metacognition(r=0.329), and low self-awareness (r=0.334) (P=0.001). Discussion & Conclusion: Metacognitive beliefs and emotional schemas can be useful predictors of suicidal thoughts in substance users. Paying attention to these factors can be effective in reducing and preventing suicidal thoughts and creating a model for improving the educational system and preventing suicide in male substance users.

Background: Suicide is considered a fundamental problem in discussions on public and global health. Thus, the current study aimed to review the prevalence of and reasons for successful suicide attempts in heroin users. Methods: This study was conducted by systematically searching the electronic databases of PubMed, Scopus, Web of Science, and PsycINFO from 1960/1/1 to 2021/11/1 based on the PRISMA checklist and using MeSH keywords with no temporal or linguistic limitations. The primary and secondary impacts of suicide were identified, and all studies following an observational design (cohort, case-control, and cross-sectional studies) were included in the research. Data analysis was performed using Stata version 13. Finally, 17 studies were included in the work process for systematic review and meta-analysis.Findings: The results showed the most frequent reasons for suicide among the studied individuals were gender (being female), youngness, heroin overdose, multi-drug abuse, history of repeated suicide attempts, history of psychiatric disorder (especially depression), joblessness, homelessness, distorted family relationships, etc. Moreover, the results of synthesizing the studies revealed the prevalence of suicide attempts equaled the effect size (95% CI=0.3 [0.23-0.37]) among these individuals, and the prevalence of successful suicides approached the effect size (95% CI=0.03 [0.01-0.05]).Conclusion: The results of the present study showed the high prevalence of suicidal thoughts and suicide attempts among the heroin-abusing population. Furthermore, according to the findings, the prevalence of unsuccessful suicide attempts was ten times more than that of successful ones in the target population.