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

ATOSAtossa Therapeutics, Inc.Running, no new patients

(Z)-Endoxifen for the Treatment of Premenopausal Women With ER+/HER2- Breast Cancer

Breast Neoplasms · Invasive Breast Cancer · Estrogen-receptor-positive Breast Cancer · HER2-negative 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 2
Patients
87 (planned)
Started
Feb 14, 2023
Main results expected
Nov 2026
Fully finished
Apr 2027
Results posted
not yet

What counts as success

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

  • PK Cohort - (Z)-endoxifen steady-state plasma concentrations

    Measured over: After 4 weeks of treatment

  • For Analysis of Cohort A (Treatment Cohort): determine whether the week 4 Ki-67≤10% rate is at least 65%

    Measured over: After 4 weeks of treatment

  • For analysis Cohort B (Treatment Cohort): determine the objective tumor response rate at 24 weeks

    Measured over: After 24 weeks of treatment

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 NCT05607004 · record last updated 2026-07-08 · checked 2026-11-09 15:36 UTC

See the official record on ClinicalTrials.gov (NCT05607004) ↗