Effects of Proactive Call to Customers of Norsk Rikstoto (Horse Gambling Operator in Norway): A Randomized Controlled Study

Recruiting now · Not applicable

Conditions studied: Gambling Problem

In brief

Customers/gamblers gambling at Norsk Rikstoto (gambling monopolist in Norway providing horse gambling products with potential gambling problems will be randomly allocated to receive a proactive phone call (encouraging them to change their gambling behavior - e.g., be lowering the loss limit) or to a control condition. Outcomes will be short and long terms registered gambling behavior.

Key facts

Study ID

NCT07028450

Run by

University of Bergen

People needed

195

Starts

2026-02-16

Expected to finish

2026-12-31

Last updated by the study team

2026-05-11

Who can join

Age: 18 and older, up to 50. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Being identified (based on an algorithm used by Norsk Rikstoto/the gambling provider) as a high risk gambler at least 5 of the last 30 days

You may not qualify if…

• Previously received a proactive call from Norsk Rikstoto

Where it is running

• University of Bergen, Department of Psychosocial Science — Bergen, Vestland, Norway (enrolling)

Full record on ClinicalTrials.gov

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