Storyline
Celcuity’s gedatolisib shows positive phase 3 results in breast cancer, advancing FDA filings
Celcuity’s pan-PI3K/mTOR inhibitor gedatolisib has met the primary endpoint in the phase 3 Viktoria-1 trial for HR+ metastatic breast cancer, demonstrating significantly longer progression-free survival compared to Novartis’ Piqray in PIK3CA-mutant patients.
Published 2026-05-04 12:08 UTCUpdated 2026-05-04 16:23 UTC
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Evidence trail (top sources)
top sources (2 domains)domains are deduped. counts indicate coverage, not truth.2 top sources shown
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Overview
Celcuity’s pan-PI3K/mTOR inhibitor gedatolisib has met the primary endpoint in the phase 3 Viktoria-1 trial for HR+ metastatic breast cancer, demonstrating significantly longer progression-free survival compared to Novartis’ Piqray in PIK3CA-mutant patients.
Score total
1.52
Momentum 24h
3
Posts
3
Origins
3
Source types
2
Duplicate ratio
0%
Why now
- FDA decision on the initial application is expected by July 17, 2026, making recent data timely for regulatory filings.
- Upcoming ASCO 2026 meeting offers a platform to showcase new clinical data to the oncology community.
- Competition with established PI3K inhibitors highlights the importance of demonstrating clinical benefit in phase 3 trials.
Why it matters
- Positive phase 3 results increase the likelihood of FDA approval for a new breast cancer therapy.
- Demonstrated superiority over an established PI3K inhibitor (Piqray) could shift clinical practice for HR+ metastatic breast cancer.
- Broader approval could expand treatment options for patients with both PIK3CA-mutant and wild-type tumors.
Continuity snapshot
- Trend status: insufficient_history.
- Continuity stage: emerging_confirmed.
- Current status: open.
- 3 current source-linked posts are attached to this storyline.
All evidence
All evidence
Celcuity strengthens case for ASCO-spotlighted breast cancer drug
BioPharma Dive · biopharmadive.com · 2026-05-04 16:23 UTC
Cellcuity PIK3CA/mTOR Inhibitor Hits in HR+ mBC in PIK3A WT and mutant Populations
biotech · reddit.com · 2026-05-04 13:15 UTC
A phase 3 trial of Celcuity’s pan-PI3K/mTOR inhibitor has hit its primary endpoint, clearing the biotech to file a second submission for a molecule already under review by the FDA.
Fierce Biotech · fiercebiotech.com · 2026-05-04 12:08 UTC
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- fiercebiotech.com (1)