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TACTIVE-U: An Interventional Safety and Efficacy Phase 1b/2, Open-label Umbrella Study to Investigate Tolerability, pk, and Antitumor Activity of Vepdegestrant (ARV-471/PF-07850327), an Oral Proteolysis Targeting Chimera, in Combination With Other Anticancer Treatments in Participants Aged 18 Years and Over With ER+ Advanced or Metastatic Breast Cancer, Sub-study A (ARV-471 in Combination With Abemaciclib)

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Trial Profile

TACTIVE-U: An Interventional Safety and Efficacy Phase 1b/2, Open-label Umbrella Study to Investigate Tolerability, pk, and Antitumor Activity of Vepdegestrant (ARV-471/PF-07850327), an Oral Proteolysis Targeting Chimera, in Combination With Other Anticancer Treatments in Participants Aged 18 Years and Over With ER+ Advanced or Metastatic Breast Cancer, Sub-study A (ARV-471 in Combination With Abemaciclib)

Status: Recruiting
Phase of Trial: Phase I/II

Latest Information Update: 26 Sep 2024

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At a glance

  • Drugs Abemaciclib (Primary) ; Vepdegestrant (Primary) ; Antineoplastics
  • Indications Advanced breast cancer; HER2 negative breast cancer
  • Focus Adverse reactions; Therapeutic Use
  • Acronyms Sub-Study A; TACTIVE-U
  • Sponsors Arvinas; Pfizer
  • Most Recent Events

    • 07 May 2024 According to an Arvinas media release, company initiated dosing in an additional arm of the Phase 1b/2 combination umbrella trial with samuraciclib.
    • 20 Mar 2024 Planned End Date changed from 3 Dec 2025 to 31 Dec 2025.
    • 20 Mar 2024 Planned primary completion date changed from 3 Dec 2025 to 31 Dec 2025.

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