Towards causal insights into contextual influences on substance use: Incorporating momentary interventions into everyday life

Towards causal insights into contextual influences on substance use: Incorporating momentary interventions into everyday life - SUMI

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

DRKS

Registry ID

DRKS00033133

Enrollment

180

Registered

2024-03-11

Start date

2024-06-03

Completion date

Unknown

Last updated

2025-04-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Heavy alcohol consumption

Interventions

Group 1: Cognitive reappraisal. Participants will be tasked with challenging their unhelpful thoughts within a 10-minute timeframe, using four reappraisal strategies: (1) Considering disadvantages (2)

Eligibility

Sex/Gender

All

Age

18 Years to 70 Years

Inclusion criteria

Inclusion criteria: Heavy alcohol drinker; Willingness to use a smartphone; Sometimes feelings of loneliness and alcohol cravings.

Exclusion criteria

Exclusion criteria: No severe chronic obstructive pulmonary disease, coronary heart disease or heart failure; Body mass index is not over 35 or under 18; No uncorrectable visual or hearing impairment; No pregnancy.

Design outcomes

Primary

Measure	Time frame
The UCLA Loneliness Scale and the Penn Alcohol Craving Scale scores before and after the intervention.	—

Secondary

Measure	Time frame
The number and type of standard drinks; Scores of the multidimensional mood questionnaire, specific cues for alcohol consumption, subjective response to alcohol, control over drinking habits and feelings of loneliness, event appraisal, momentary social contacts; Movement acceleration intensity.	—

Countries

Germany

Contacts

Public ContactShuyan Liu

Charité – Universitätsmedizin Berlin

shuyan.liu@charite.de+4930450517336

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026