Tremor
TrialsCompanies

Not investment advice.

Tremor shows what changed in public records. It never tells anyone to buy or sell. Many trial edits are harmless paperwork. Data from ClinicalTrials.gov, the SEC, and the Federal Register.

PrivacyTerms

PFEPfizerRunning, no new patients

Vepdegestrant (ARV-471/PF-07850327) + Palbociclib vs Letrozole + Palbociclib in ER(+)/HER2(-) Advanced Breast Cancer

Breast Cancer

0Calmworry score, out of 100

No strong warning signs right now. The score counts warning signs; it is not a prediction.

Why this score

No warning signs right now. That's why the score is 0.

Score over time

Stage
Phase 3
Patients
59 (final count)
Started
Aug 9, 2023
Main results expected
Dec 30, 2026
Fully finished
Dec 30, 2026
Results posted
not yet

What counts as success

The trial's main goal(s), called the “primary outcome.”

  • Study Lead-in (SLI): Incidence of Grade 4 neutropenia

    Measured over: From randomization date up to Cycle 4 (each cycle is 28 days).

  • SLI: Incidence of dose reduction

    Measured over: From randomization date up to Cycle 4 (each cycle is 28 days).

  • SLI: Incidence of drug discontinuation.

    Measured over: From randomization date up to Cycle 4 (each cycle is 28 days).

  • Phase 3: Progression-Free Survival

    Measured over: From randomization date, every 12 weeks, to date of first documentation of progression or death, up to approximately 4 years.

Changes Tremor has spotted

No changes since Tremor started watching this trial.
Show details (technical version)

Score inputs

  • none

Raw record changes

  • none yet

Trial ID NCT05909397 · record last updated 2026-02-10 · checked 2026-11-09 15:42 UTC

See the official record on ClinicalTrials.gov (NCT05909397) ↗