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Original Research

The Orphan Drug Act and rare cancers: a retrospective analysis of oncologic orphan drug designations and associated approvals from 1983-2022

, , , , &
Pages 12-18 | Received 27 Nov 2023, Accepted 18 Mar 2024, Published online: 26 Mar 2024

Figures & data

Figure 1. Number of oncologic orphan drug designations (n=2,355) and approvals (n=317) from 1983–2022.

Figure 1. Number of oncologic orphan drug designations (n=2,355) and approvals (n=317) from 1983–2022.

Table 1. Top 10 rare cancers with the most orphan drug designations (1983–2022).

Table 2. Top 10 orphan drug-designated cancers with the most initial approvals (1983–2022).

Figure 2. Oncologic orphan drug designations (and approvals) by organ system, 1983–2022.*Miscellaneous category includes tissue agnostic/biomarker-defined cancers, and genetic cancer syndromes

Figure 2. Oncologic orphan drug designations (and approvals) by organ system, 1983–2022.*Miscellaneous category includes tissue agnostic/biomarker-defined cancers, and genetic cancer syndromes

Table 3. Classification of oncologic orphan drug designations (and Approvals) by site group and site, 1983—2022 (Designations, n = 2,355) (Approvals, n = 317).