Biotech Stock Intel
Catalyst CalendarPDUFA CalendarMover SignalsCompany Screener
Disclaimer: Biotech Stock Intel is an independent research platform. Information is provided for informational purposes only and is not investment or medical advice. Always verify catalyst dates against primary sources and conduct your own research.
Biotech Stock Intel© 2026 Biotech Stock Intel
AboutMethodologyTermsPrivacy
Biotech Stock Intel
Catalyst CalendarPDUFA CalendarMover SignalsCompany Screener
Home/Stocks/GSK/Catalyst
PDUFAApproval decision

Zidesamtinib (NVL-520)

TKI Pre-treated Patients with Advanced ROS1-positive NSCLC

GSKGSK
Expected catalystSeptember 18, 2026Company guidance: Sep 18, 2026

Catalyst overview

Event details

Drug or asset
Zidesamtinib (NVL-520)
Development stage
PDUFA
Event type
Approval decision
Indication
TKI Pre-treated Patients with Advanced ROS1-positive NSCLC
Research signalsHigh management interest

Research summary

What is being tracked?

This catalyst tracks a PDUFA approval decision for Zidesamtinib (NVL-520) in TKI Pre-treated Patients with Advanced ROS1-positive NSCLC. The expected timing is based on the latest available company guidance and may change.

Development notes

ARROS-1 Trial. 6/24/25- Announced pivotal data. Q2 '25- Initiated rolling NDA submission & completion in Q3 2025. 11/4/25– Present patient-reported outcomes & pivotal data at IASLC ASCO'25 on Dec 6th. 10/30/25:- Completed rolling NDA submission; FDA review underway. 11/19/25- FDA accepted NDA with PDUFA date September 18, 2026. 01/12/26:- PDUFA date September 18, 2026 reaffirmed; potential first U.S. commercial launch anticipated in 2026. 02/26/26:- PDUFA September 18, 2026 reaffirmed; U.S. commercial preparations underway for TKI pre-treated ROS1-positive NSCLC. 03/17/26:- American Association for Cancer Research Apr 21 posters show ARROS-1 subset data; PDUFA Sep 18, 2026 reaffirmed. 04/21/26:- PDUFA Sep 18, 2026 reaffirmed. ARROS-1 non-NSCLC poster at ASCO May 30, 2026. 05/07/26:- ARROS-1 showed activity post repotrectinib and taletrectinib including intracranial responses; PDUFA Sep 18 2026 unchanged. Asset from Nuvalent acquisition.

Verification

Primary source

Confirm timing and program details against the company announcement or filing.

Open source

More from GSK

Related pipeline programs

Approved

Exdensur (depemokimab)

Chronic rhinosinusitis with nasal polyps (CRSwNP), Asthma with type 2 inflammation

View company pipeline
PDUFA

Neladalkib (NVL-655) (ALK Inhibitor)

ALK-Altered Non-Small Cell Lung Cancer

View company pipeline

Company

GSK

GSK · NYSE
Industry
Biotechnology
Pipeline assets
28
View GSK research

BioPharma Pro

Track every date change

Watchlists, source history and catalyst alerts will be available with Pro.

Start free

Updated Aug 23, 2026. Dates can change; this is not investment advice.

Disclaimer: Biotech Stock Intel is an independent research platform. Information is provided for informational purposes only and is not investment or medical advice. Always verify catalyst dates against primary sources and conduct your own research.
Biotech Stock Intel© 2026 Biotech Stock Intel
AboutMethodologyTermsPrivacy