Either you have JavaScript disabled or your browser does not support Javascript . To work properly, this page requires JavaScript to be enabled.
How to enable JavaScript in your browser?

BOSS: BTK Inhibitor Optimal Sequencing Study Phase II Open-label Single Arm Trial of Pirtobrutinib in Chronic Lymphocytic Leukemia or Small Lymphocytic Lymphoma After First-line Acalabrutinib Progression

Next Previous
Trial Profile

BOSS: BTK Inhibitor Optimal Sequencing Study Phase II Open-label Single Arm Trial of Pirtobrutinib in Chronic Lymphocytic Leukemia or Small Lymphocytic Lymphoma After First-line Acalabrutinib Progression

Status: Withdrawn prior to enrolment
Phase of Trial: Phase II

Latest Information Update: 12 Jun 2025

Price :
$35 *
Note:
  • Adis is an information provider.
  • Final gross price and currency may vary according to local VAT and billing address.
  • Your purchase entitles you to full access to the information contained in our trial profile at the time of purchase.
  • A link to download a PDF version of the trial profile will be included in your email receipt.

At a glance

  • Drugs Acalabrutinib (Primary) ; Pirtobrutinib (Primary)
  • Indications Chronic lymphocytic leukaemia
  • Focus Therapeutic Use
  • Acronyms BOSS
  • Sponsors AstraZeneca

Most Recent Events

  • 05 Jun 2025 Status changed from not yet recruiting to withdrawn prior to enrolment. Reason the study was stopped: AstraZeneca has made the decision to cancel the trial.
  • 26 Feb 2025 New trial record

You need to be a logged in or subscribed to view this content

Request demo (opens in a new window)
If your organization or you do not have a subscription, try one of the following: If your organization has a subscription, there are several access options, even while working remotely:
  • Working within your organization’s network
  • with username/password or try to via your institution
  • Persisted access using your organization’s identifier stored in your user browser for 90 days
Back to top