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HER2-low Unresectable and/or Metastatic Breast Cancer in Russia
HER2-low Unresectable and/or Metastatic Breast Cancer in Russia

NCT05913440

CompletedN/A

Sponsor: AstraZeneca

Conditions: Breast Cancer

Countries: Russia

Planned study population consists of approximately 3,150 adult patients with HER2-negative (IHC 0, + or IHC2+/ISH-) unresectable or metastatic BC enrolled to the study in order to obtain approximately 2,000 patients with confirmed HER2 low status (IHC1+ or IHC2+/ISH ).

Eligibility overview

Sex: ALL

Age: 18 Years to —

Healthy volunteers: No

Study type: OBSERVATIONAL

Eligibility criteria
Inclusion Criteria:

* Patients with confirmed diagnosis of unresectable and/or metastatic BC established between the 1st July 2021 and the 1st July 2022.
* Patients have HER2-negative status (IHC0, IHC1+, IHC2+/ISH-) obtained in the local laboratory.

  -. Patients have an adequate archival tumor sample and slides suitable for reassessment HER2 status\* by the reference laboratory.
* Patients have documented hormonal status (ER, PR) IHC score.
* Age ≥ 18 years at the time of inclusion.
* Patients provided written consent allowing for data and samples to be used in the future and this study would be covered by the consent for future use in accordance with ICH GCP, GPP (Good Pharmacoepidemiology Practices) and local law prior to inclusion in the study. If the patient is deceased, a waiver may be accepted

Exclusion Criteria:

* Patients with previous HER2 positive status in the anamnesis at the diagnosis or after the diagnosis of breast cancer.
* Presence of other malignancies within period since diagnosis until the timepoint of data collection.
* Patients receiving trastuzumab deruxtecan currently or received in anamnesis.
* The participation in any randomised controlled trial within period since diagnosis until end of study.
Locations (40)
  • Arkhangelsk, Russia
  • Barnaul, Russia
  • Belgorod, Russia
  • Chelyabinsk, Russia
  • Chita, Russia
  • Grozny, Russia
  • Irkutsk, Russia
  • Istra, Russia
  • Izhevsk, Russia
  • Kaluga, Russia
  • Kemerovo, Russia
  • Khanty-Mansiysk, Russia
  • Kirov, Russia
  • Kostroma, Russia
  • Krasnodar, Russia
  • Krasnoyarsk, Russia
  • Maykop, Russia
  • Moscow, Russia
  • Nal'chik, Russia
  • Nizhny Novgorod, Russia
  • Novosibirsk, Russia
  • Omsk, Russia
  • Orenburg, Russia
  • Perm, Russia
  • Pyatigorsk, Russia
  • Ryazan, Russia
  • Saint Petersburg, Russia
  • Saransk, Russia
  • Sevedorvinsk, Russia
  • Smolensk, Russia
  • + 10 more on CT.gov