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A cost-effectiveness estimation of the Attempted Suicide Short Intervention Programme (ASSIP)
Max Lelie1, Riet Parmentier1, Eva de Jaegere2
1Department of Public Health, Vrije Universiteit Brussel, Brussels, Belgium.
Expert Review of Pharmacoeconomics & Outcomes Research
|April 26, 2025
Summary
The Attempted Suicide Short Intervention Programme (ASSIP) is a cost-effective strategy for reducing suicide attempts in Flanders. This intervention saves both healthcare costs and societal expenses, offering significant economic and health benefits.
Area of Science:
- Health Economics
- Mental Health Services Research
- Public Health Policy
Background:
- Patients with a history of suicide attempts face a significantly higher risk of repeat attempts.
- Effective interventions are crucial to mitigate this risk and reduce associated healthcare burdens.
Purpose of the Study:
- To conduct a cost-utility analysis of the Attempted Suicide Short Intervention Programme (ASSIP) compared to treatment as usual.
- To evaluate the economic impact and cost-effectiveness of ASSIP in a Flemish population.
Main Methods:
- A closed-cohort Markov model simulated suicide events over a 20-year horizon for patients with prior suicide attempts.
- Incremental Cost Effectiveness Ratios (ICERs) were estimated from both societal and healthcare perspectives.
- A 'tipping-point' scenario assessed the impact of regressing treatment effectiveness over time.
Main Results:
- ASSIP was identified as a dominant strategy from the societal perspective.
- From a healthcare perspective, ASSIP demonstrated cost-effectiveness with ICERs of €1,133 (10 years) and €304 (20 years).
- Even with an 82.7% regression in effectiveness, ASSIP remained cost-effective, with a threshold of €44,000 per QALY.
Conclusions:
- ASSIP is a cost-effective intervention in the Flemish region, yielding savings in both healthcare and societal costs.
- Implementation of ASSIP offers substantial economic and health benefits within a decade, representing a valuable investment in mental healthcare.
- The findings support the adoption of ASSIP to improve outcomes for individuals at high risk of suicide.
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