This dataset comprises the data extracted from the articles incorporated in a systematic review and meta-analysis. For more information, please refer to the study protocol: "Effect of synchronous remote-based interventions on suicidal behaviours: protocol for a systematic review and meta-analysis" Comendador L, et al. BMJ Open 2023;13:e075116. doi:10.1136/bmjopen-2023-075116. Data are presented in the following categories: a) general characteristics of the study (authors, date of publication, setting and geographic location, research design, sample size, participant sociodemographic and baseline characteristics), b) intervention and control group details (type of intervention or control group, sample sizes, follow-up time, dropout rates), c) outcomes (descriptive and comparative statistical indexes of efficacy and effectiveness, assessment measures, and procedures), and d) limitations reported by study authors. It consists of 1) a csv-file containing information and extracted data of studies selected; 2) a csv-file containing the risk of bias analysis of the studies selected; 3) a csv-file containing the abbreviations and their explanations as used in the other csv-files.