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2017 ; 8
(ä): 161
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FDA Facilitated Regulatory Pathways: Visualizing Their Characteristics,
Development, and Authorization Timelines
#MMPMID28420989
Liberti L
; Bujar M
; Breckenridge A
; Hoekman J
; McAuslane N
; Stolk P
; Leufkens H
Front Pharmacol
2017[]; 8
(ä): 161
PMID28420989
show ga
The US Food and Drug Administration (FDA) has four facilitated regulatory
pathways (FRPs): Fast Track (FT), Breakthrough Therapy (BTD), Priority Review
(PR), and Accelerated Approval (AA). Only PR specifies an expedited review
timeline (6 months). We sought to determine to what extent the combination of two
or more FRPs influenced development and approval times. We developed a "metro
map" to illustrate FRP elements and their influence on review times. We assessed
125 new active substances (approved January 2013 to December 2015) 74 of which
used one or more FRPs. For these 74, development times ranged from 1,458 (BTD +
PR + AA) to 3,515 days (PR). PR alone had a median approval time of 242 days. The
most common combination was FT + PR (median approval 292 days, n = 21). The
fastest approval times were for PR + FT + BTD + AA (145 days) and PR + BTD + AA
(166 days). Our findings support the combination of FRPs for shortening
development and review times beyond that provided by PR alone.