Mind the G(ap): bridging prevention needs and approaches for GHB/GBL users and their social environment.

Background: Gamma-hydroxybutyrate (GHB) and its precursors gamma-butyrolactone (GBL) and 1,4-butanediol (BD) have become a significant concern due to the increase in their recreational use and the high risks associated with it (e.g., overdose, addiction, life-threatening withdrawal syndromes).

Problem drinking among university students in Berlin.

Objective: Problem-drinking among university students is common and poses serious health-related risks. Therefore, identifying and addressing associated factors is important.

Participants And Methods: A large cross-sectional online-survey with 12,914 university students from Berlin was conducted from November 2016 to August 2017.

Drug Checking and Its Potential Impact on Substance Use.

Objectives: Drug checking as a tool for harm reduction is offered in certain cities throughout Europe, the USA, and Australia, but in general, it is internationally still scarcely available and controversially discussed. This study aimed at investigating the potential impact of a drug-checking offer on Berlin nightlife attendees' illicit drug use and at identifying the encouraging and discouraging factors for using or refraining from such an offer.

Methods: Using an online questionnaire, we conducted a cross-sectional survey in a Berlin party scene.

[Harm Reduction and Preventive Measures in Berlin's Party Scene].

Objective: Substance use patterns and sociodemographic variables of Berlin's party scene were investigated to derive preventive measures and harm reduction services, which meet the needs of the consumers.

Methods: A questionnaire was used online and in the field among Berlin partygoers (N = 877) and structured interviews (N = 20) were conducted with professionals working in this area, including social workers, emergency medical service, police and club owners and users.

Results: A risky consumption pattern was found in 67 % of participants, who also stated need for counseling and a wish for reduction of their substance use.

Substance Use and Prevention Programs in Berlin's Party Scene: Results of the SuPrA-Study.

Background: Berlin is internationally known for its nightlife. In a nation-wide and Europe-wide comparison, the use of legal and illegal substances is comparatively higher in Berlin than in other similar cities. However, few data exist about the drug use in the party scene.