On October 5, 2026 Celcuity Inc. (Nasdaq: CELC), a biotechnology company focused on developing and commercializing targeted therapies for the treatment of multiple solid tumor indications, reported that a late breaking rapid oral presentation and three poster presentations will be featured at the upcoming European Society for Medical Oncology ("ESMO") Congress 2026 being held October 23-27, 2026, in Madrid, Spain. Data from its clinical trials of gedatolisib in hormone receptor positive ("HR+"), human epidermal growth factor receptor 2 negative ("HER2-") locally advanced or metastatic breast cancer ("ABC") and metastatic castration-resistant prostate cancer ("mCRPC") will be presented.

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Late Breaking Rapid Oral Presentation Details:

Title: VIKTORIA-1: Updated results of a randomized, open-label, phase 3 study of gedatolisib (geda) + fulvestrant (fulv) ± palbociclib (palbo) vs standard of care in patients with HR+/HER2- advanced breast cancer (ABC) (Study 2)
Presentation Number: LBA 16
Speaker: Barbara Pistilli, MD
Session Title: Rapid oral 1: Breast cancer, advanced stage
Room: Almeria Auditorium – Hall 9
Date: Saturday, October 24, 2026
Time: 10:15 –11:45 a.m. CEST

Poster Presentation Details:

Title: A phase 1/2, open-label, randomized, dose-finding and dose expansion study of gedatolisib in combination with darolutamide in metastatic castration-resistant prostate cancer (mCRPC)
Presentation Number: 2237P
Presenting Author: Adam Sharp, MD, PhD
Session Title: Poster Display session, Metastatic prostate cancer
Date: Friday, October 23, 2026
Time: 3:15 p.m. – 4:00 p.m. CEST

Title: Gedatolisib (Ged) vs Other Regimens Post-CDK4/6i and Endocrine Therapy (ET) in PIK3CA Wild-Type (WT) HR+/ HER2- Advanced Breast Cancer (aBC): A Network Meta-Analysis (NMA)
Presentation Number: 1873P
Presenting Author: Sara Tolaney, MD
Session Title: Poster Display session, HR+ breast cancer
Date: Saturday, October 24, 2026
Time: 12:00 p.m. – 12:45 p.m. CEST

Title: A Randomized, Open-Label, Phase 3 Study Evaluating Efficacy and Safety of Gedatolisib with Endocrine Therapy (ET) and Palbociclib vs ET and Ribociclib as First-Line (1L) Treatment in Patients With HR-Positive (HR+) HER2-Negative (HER2-) Advanced Breast Cancer (ABC) (VIKTORIA-2)
Presentation Number: 57TiP
Presenting Author: Giuseppe Curigliano, MD, PhD
Session Title: Poster Display session, Advanced breast cancer, other
Date: Saturday, October 24, 2026
Time: 12:00 p.m. – 12:45 p.m. CEST

Abstracts will be published online via the ESMO (Free ESMO Whitepaper) website at 12:05 a.m. CEST on October 19, 2026. The posters will be presented in the Poster Area – Hall 5. Electronic versions will also be available on the ESMO (Free ESMO Whitepaper) 2026 virtual platform.

(Press release, Celcuity, OCT 5, 2026, View Source [SID1234673207])