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Published on: January 12, 2018
Impact of Delaying Effective and Cost-Effective Policy Decisions: An Example From Cervical Cancer Prevention in
Allison Portnoy1, Mari Nygård2, Lill Trogstad3
1Center for Health Decision Science, Harvard T.H. Chan School of Public Health, Boston, Massachusetts.
Abstract:
Introduction. Delayed implementation of evidence-driven interventions has consequences that can be formally evaluated. In Norway, programs to prevent cervical cancer (CC)-screening and treatment of precancerous lesions and prophylactic vaccination against human papillomavirus (HPV) infection-have been implemented, but each encountered delays in policy implementation. To examine the effect of these delays, we project the outcomes that would have been achieved with timely implementation of two policy changes compared with the de facto delays in implementation (in Norway). Methods. We used a multimodeling approach that combined HPV transmission and cervical carcinogenesis to estimate the health outcomes and timeline for CC elimination associated with the implementation of two CC prevention policy decisions: a multicohort vaccination program of women up to age 26 years with bivalent vaccine in 2009 compared with actual "delayed" implementation in 2016, and a switch from cytology to primary HPV-based testing in 2015 compared with "delayed" rollout in 2020. Results. Timely implementation of two policy changes compared with current Norwegian prevention policy timeline could have averted approximately 970 additional cases (range of top 10 sets: 830-1060) and accelerated the CC elimination timeline by around 4 years (from 2039 to 2035). Conclusions. If delaying implementation of effective and cost-effective interventions is being considered, the decision-making process should include quantitative analyses on the effects of delays.
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