Clinical benefit, reimbursement outcomes, and prices of FDA-approved cancer drugs reviewed through Project Orbis in the USA, Canada, England, and Scotland: a retrospective, comparative analysis

BACKGROUND: Project Orbis is a global initiative that aims to streamline regulatory review processes across international regulators in the USA, Canada, Australia, UK, Israel, Brazil, Singapore, and Switzerland to bring promising cancer drugs to patients earlier. We explored the clinical benefit, time to regulatory approval and health technology assessment recommendations, reimbursement outcomes, and monthly treatment prices of cancer drugs reviewed through this initiative. METHODS: For this retrospective, comparative analysis, we identified cancer drug approvals reviewed through Project Orbis in the USA, Canada, and the UK between May 1, 2019, and Nov 1, 2023. Approvals of cancer drugs reviewed Project Orbis were extracted from the Food and Drug Administration (FDA) Oncology Centre of Excellence and all other FDA approvals from the Drugs@FDA database. The co-primary outcomes were time of regulatory review, time from regulatory approval to health technology assessment recommendation (England, Scotland, and Canada), reimbursement outcomes, clinical benefit (defined as median gains in progression-free survival and overall survival) between cancer drug approvals reviewed by Project Orbis and other FDA approval processes, and monthly treatment prices. The Wilcoxon rank-sum and Fisher's Exact tests were used to examine statistical significance between approvals reviewed through Project Orbis and other FDA approvals during the same period. FINDINGS: Between May 1, 2019 and Nov 1, 2023, 81 (33%) of 244 cancer drugs approved by the FDA were reviewed through Project Orbis. The median overall survival gains were 4·1 months (IQR 3·3-5·1) compared with 2·7 months (2·1-3·9) for other FDA approvals. Similarly, progression-free survival gains were 2·6 months (IQR 1·7-4·9) for Project Orbis compared with 2·6 months (0·6-5·1) for other FDA approvals. Neither overall survival (p=0·11) nor progression-free survival (p=0·44) gains were significantly different between the two cohorts of approvals. Of the 14 UK Medicines and Healthcare products Regulatory Agency (MHRA) approvals reviewed by the Scottish Medicines Consortium (SMC), the agency gave positive recommendations for all 14 (100%). Of the 15 MHRA approvals reviewed by the National Institute for Health and Care Excellence (NICE), the agency gave positive recommendations for six (40%). Of the 49 approvals reviewed by the Canadian Agency for Drugs and Technologies in Health (CADTH), the agency conditionally recommended 44 (90%). The time between regulatory approval to NICE recommendation increased from a median of 137 days (IQR 102-172) in 2021 to 302 days (184-483) in 2023, SMC recommendation increased from 185 days (in 2021 for one drug only) to 368 days (IQR 313-476) in 2023, and CADTH decision increased from 97 days (in 2020 for one drug only) to 202 days (IQR 153-304) in 2023. The median monthly price of approvals reviewed through Project Orbis was US$20 000 per month (IQR 13 000-37 000). INTERPRETATION: Clinical outcomes of Project Orbis were no different than other FDA approvals during the same time, and access, after a successful health technology assessment, was considerably delayed or absent, raising questions about whether Project Orbis participation translates into faster patient access to medicines with high clinical benefit and sustainable costs. Although future challenges might benefit from regulatory harmonisation, the advantages are currently unclear. FUNDING: None.

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