Drug

Acalabrutinib

As of the edition of 20 October 2026, Acalabrutinib is a small molecule: marketed, first approved in 2017 (US); acts on BTK; US protection ends in 2036.

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

The drug

Status
Marketed; latest approval 2023
Kind
Small molecule
Brand name
Calquence
First approved
31 October 2017 (US)
Approvals on record
11 in 5 regions
Holder of the most recent approval
AstraZeneca
Registered trials
146, 13 stopped early
Disease areas
Cancer; Blood and lymph; Immune system; Heart and blood vessels; Infections; Lungs and airways

US protection

US protection ends in 2036.

The last listed US drug-substance patent ends in 2036. The application that gives this date is held by AstraZeneca.

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

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

See the exact date and the 25 listings behind itRequest access. Nothing is shown until you do.

Companies that need a new molecule because of this drug

1 company on route B because of this drug.

Companies on route B for this drug

In the product

1 company is on route B because of Acalabrutinib.

Target

GeneProteinUniProt
BTKTyrosine-protein kinase BTKQ06187

Registered trials

PhaseTrialsCompletedActiveStopped early
Phase not stated7240
Phase 1271872
Phase 295206410
Phase 3162131
Phase 41100
All trials146

Who has held its approvals

CompanyRoleYears
AstraZenecaOriginator and Lead sponsor of trials2017 to now