Actively Recruiting

Phase 2
Age: 18Years +
All Genders
NCT05306041

Neoadjuvant Endocrine Therapy +/- the PI3K Inhibitor Inavolisib in HER2+, HR+, PIK3CA Mutant Early Breast Cancer

Led by GBG Forschungs GmbH · Updated on 2025-02-17

170

Participants Needed

29

Research Sites

208 weeks

Total Duration

On this page

Sponsors

G

GBG Forschungs GmbH

Lead Sponsor

R

Roche Pharma AG

Collaborating Sponsor

AI-Summary

What this Trial Is About

Evaluation of the potential incremental efficacy and safety of inavolisib in the neoadjuvant endocrine treatment of early-stage HER2-positive, HR-positive, PIK3CA mutant breast cancer.

CONDITIONS

Official Title

Neoadjuvant Endocrine Therapy +/- the PI3K Inhibitor Inavolisib in HER2+, HR+, PIK3CA Mutant Early Breast Cancer

Who Can Participate

Age: 18Years +
All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Provide written informed consent before starting study procedures
  • Have untreated, unilateral primary breast cancer confirmed by core biopsy
  • Tumor measurable in two dimensions, preferably by sonography
  • Disease stage cT1b to cT3, any nodal status
  • HR-positive, HER2-positive breast cancer with confirmed ER, PR, HER2 status, PIK3CA mutation, Ki-67, and TILs
  • Age 18 years or older, any gender
  • ECOG performance status 0 or 1
  • Normal cardiac function with LVEF > 55% confirmed within 3 months before randomization
  • Hematology: ANC ≥ 1.5/nL, platelets ≥ 100/nL, hemoglobin ≥ 10 g/dL
  • Liver function: bilirubin below upper limit of normal (ULN) except Gilbert's syndrome allowances; AST and ALT ≤ 1.5x ULN; alkaline phosphatase ≤ 2.5x ULN
  • Glycosylated hemoglobin (HbA1c) < 6.5%
  • Negative pregnancy test within 14 days before randomization for women of childbearing potential
  • Women of childbearing potential agree to use effective contraception or abstain during treatment and 7 months after last dose
  • Men agree to use contraception or abstain during treatment and 7 months after last dose
  • Completed staging work-up including bilateral mammography and/or breast MRI with ultrasound (men may have ultrasound only)
  • Willing and able to comply with study visits and procedures
Not Eligible

You will not qualify if you...

  • HER2-negative breast cancer or HER2-positive, hormone receptor-negative breast cancer
  • Need for immediate neoadjuvant chemotherapy (e.g., inflammatory breast cancer)
  • Evidence of stage IV cancer
  • Prior excisional biopsy, lumpectomy, or lymph node surgery before study entry
  • Prior chemotherapy, endocrine therapy, or radiation before study except limited endocrine therapy up to 28 days prior
  • History of breast cancer unless disease-free >5 years and low risk of recurrence
  • History of other treated malignancies with high recurrence risk or ongoing treatment
  • Known hypersensitivity to study drugs or components
  • Diagnosed diabetes mellitus type I or uncontrolled type II
  • Immunocompromised due to HIV or immunosuppressive therapy
  • Active liver disease or viral hepatitis
  • Active inflammatory bowel disease or bowel inflammation
  • Ocular conditions requiring treatment or active eye infections
  • Pneumonitis or interstitial lung disease
  • Significant heart disease or uncontrolled hypertension
  • Damaged skin at injection sites
  • Recent thromboembolism with unstable anticoagulation
  • Use of chronic corticosteroids started less than 6 months ago or other prohibited medications
  • Participation in another clinical trial with investigational drugs within 30 days
  • Pregnancy or lactation at randomization
  • Significant neurological or psychiatric disorders interfering with consent or study participation
  • Any condition interfering with study evaluation or safety as judged by investigator

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 29 locations

1

KEM Kliniken Essen-Mitte

Essen, North Rhine-Westphalia, Germany, 45136

Actively Recruiting

2

Hämatologie-Onkologie im Zentrum MVZ GmbH

Augsburg, Germany, 86150

Actively Recruiting

3

DBZ Onkologie

Berlin, Germany, 12623

Not Yet Recruiting

4

Praxisklinik Krebsheilkunde für Frauen

Berlin, Germany, 13597

Actively Recruiting

5

Onkologische Schwerpunktpraxis Bielefeld

Bielefeld, Germany, 33604

Actively Recruiting

6

Department of Breast-Center Holweide - Kliniken der Stadt Köln

Cologne, Germany, 51067

Actively Recruiting

7

Städtisches Klinikum Dessau

Dessau, Germany, 06847

Not Yet Recruiting

8

University Hospital Carl Gustav Carus

Dresden, Germany, 01307

Actively Recruiting

9

Center for Gynecologic Oncology

Düsseldorf, Germany, 40235

Actively Recruiting

10

Frauenklinik des Universitätsklinikums Erlangen

Erlangen, Germany, 91054

Not Yet Recruiting

11

Klinik für Gynäkologie und Geburtshilfe Agaplesion Markus Krankenhaus

Frankfurt, Germany, 60431

Actively Recruiting

12

SRH Wald-Klinikum Gera GmbH

Gera, Germany, 07548

Actively Recruiting

13

Mammazentrum HH am Krankenhaus Jerusalem

Hamburg, Germany, 20357

Actively Recruiting

14

Klinikum Hanau

Hanau, Germany, 63450

Not Yet Recruiting

15

DIAKOVERE Henriettenstift Frauenklinik

Hanover, Germany, 30171

Not Yet Recruiting

16

National Center for Tumor Diseases - University Hospital Heidelberg

Heidelberg, Germany, 69120

Actively Recruiting

17

Elisabeth Krankenhaus Brustzentrum

Kassel, Germany, 34117

Actively Recruiting

18

Praxis für Hämatologie und Onkologie Koblenz and InVo - Institut für Versorgungsforschung in der Onkologie GbR

Koblenz, Germany, 56068

Actively Recruiting

19

University Hospital Mannheim

Mannheim, Germany, 68167

Not Yet Recruiting

20

University Hospital Gießen and Marburg, Campus Marburg

Marburg, Germany, 35043

Not Yet Recruiting

21

Media Vita GmbH (MVZ)

Münster, Germany, 48145

Not Yet Recruiting

22

University Hospital Tübingen

Tübingen, Germany, 72076

Actively Recruiting

23

Department of Gynecology and Obstetrics - University of Ulm

Ulm, Germany, 89075

Not Yet Recruiting

24

GRN Klinik Weinheim

Weinheim, Germany, 69469

Not Yet Recruiting

25

Klinikum Worms

Worms, Germany, 67550

Not Yet Recruiting

26

Helios Universitätsklinikum Wuppertal

Wuppertal, Germany, 42283

Actively Recruiting

27

Università Politecnica delle Marche - Azienda Ospedaliero Universitarià delle Marche

Ancona, Italy

Not Yet Recruiting

28

AULSS9 Scaligera - Ospedale Mater Salutis di Legnago

Legnago, Italy, 37045

Not Yet Recruiting

29

Istituto Europeo di Oncologica

Milan, Italy, 20141

Actively Recruiting

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Research Team

J

Jana Roßney

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

TREATMENT

Number of Arms

2

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