Methods: Cancer drug approvals from 2012 to 2016 were categorized by demonstrating benefit on overall survival (OS), progression-free survival, disease response, or having no comparator. Approvals were analyzed by benefit category and health technology assessment recommendation. The association between benefit (surrogate vs OS) and recommending a drug was examined using descriptive statistics and linear probability models controlling for unmet need, orphan designation, and costeffectiveness.Results: Of 42 cancer indications that NICE recommended, 15 (36%) demonstrated OS benefit. Cancer indications with OS benefit were less likely to receive a recommendation from NICE than those without (P = .04). In linear probability models, availability of OS benefit was no longer associated with a recommendation from NICE (P = .32). Cost-effective cancer drugs had a 55.6% (95% CI: 38.9%-72.3%) higher probability of receiving a recommendation from NICE than those that were not. In Canada, 15 of 37 (41%) cancer indications that were recommended showed OS benefit. There was no detectable association between surrogate measures and CADTH recommendations based on descriptive statistics (P = .62) or in linear probability models (P = .73).Conclusion: When cost-effectiveness was considered, pivotal trial endpoints were not associated with NICE recommendations. Pivotal trial endpoints, unmet need, orphan status, and cost-effectiveness did not explain CADTH recommendations.

The Priority Medicines (PRIME) scheme was launched by the European Medicines Agency (EMA) in 2016 to expedite the development and approval of promising products targeting conditions with high unmet medical need. Manufacturers of PRIME drugs receive extensive regulatory advice on their trial designs. Until June 2018, the EMA granted PRIME status to 39 agents, evaluated in 138 studies (102 initiated before and 36 after PRIME eligibility). A third of the studies forming the basis of PRIME designation were randomized controlled trials, and a quarter of the studies were blinded. There was no statistically significant difference between trials initiated before and after PRIME designation in terms of randomized design and use of blinding. However, significantly more efficacy studies included a clinical end point after PRIME designation than before, and significantly fewer included surrogate measures alone. There were no statistically significant differences between the trial designs of PRIME and non‐PRIME‐designated products.

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