Drug

Aprotinin

As of the edition of 20 October 2026, Aprotinin is a drug: marketed, first approved in 1977 (CH); acts on KLKB1 and PLG; US protection ended in 2005.

Sources: FDA Orange Book and Purple Book, other approval registers, ClinicalTrials.gov, ChEMBL.

The drug

Status
Marketed; latest approval 2009
Kind
Unknown
Brand name
Trasylol
First approved
16 March 1977 (CH)
Approvals on record
12 in 5 regions
Holder of the most recent approval
Baxter Healthcare; 4 holders in all
Withdrawn from market
1 January 2007 (in some regions)
Registered trials
14, 4 stopped early
Disease areas
Lungs and airways; Cancer; Digestive system; Heart and blood vessels; Infections; Skin and connective tissue

US protection

US protection ended in 2005.

US protection ended in 2005, computed as 12 years from the first US licence because FDA publishes no date for this product. The application that gives this date is held by Bayer. The date is computed, not published.

This is the US only, and it is not the date generics or biosimilars can enter.

The exact date and the listings behind it

In the product

2 listings count towards this date. The exact date and each listing are in the product.

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Companies that need a new molecule because of this drug

4 company-target rows on route B because of this drug.

Companies on route B for this drug

In the product

4 company-target rows are on route B because of Aprotinin.

Targets

GeneProteinUniProt
PLGPlasminogen [Cleaved into: PlasminP00747
KLKB1Plasma kallikreinP03952

Registered trials

PhaseTrialsCompletedActiveStopped early
Phase not stated4200
Phase 12101
Phase 36113
Phase 42200
All trials14

Who has held its approvals

CompanyRoleYears
BayerApplicant and Lead sponsor of trials1993 to now
Baxter HealthcareApplicant1994 to now