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Phase 3Data readout

Mavorixafor (CXCR4 inhibitor)

Severe Congenital Neutropenia

XFORX4 Pharmaceuticals
Expected catalystDecember 31, 2026Company guidance: Dec 31, 2026

Catalyst overview

Event details

Drug or asset
Mavorixafor (CXCR4 inhibitor)
Development stage
Phase 3
Event type
Data readout
Indication
Severe Congenital Neutropenia

Research summary

What is being tracked?

This catalyst tracks a Phase 3 data readout for Mavorixafor (CXCR4 inhibitor) in Severe Congenital Neutropenia. The expected timing is based on the latest available company guidance and may change.

Development notes

4WARD trial. 6/27/24- Ph2 interim clinical data. 3/25/25- Full enrollment in Q3 or Q4 2025 w/ topline data in H2 2026. 6/10/25- Granted Fast Track Designation. 8/8/25- Trial ongoing. 11/5/25- Enrollment raised to 176, completion Q3 2026; sNDA and launch in 2028. 03/17/26:- 4WARD Ph3 chronic neutropenia trial enrollment on track for Q3 2026 completion; >100 sites active globally. 05/06/26:- 4WARD Phase 3 trial enrollment remains on track for Q3 2026 completion; now over 110 global sites active. 08/06/26:- 4WARD CRO transition; FDA meeting and enrollment update expected Q3 2026; topline data remains H2 2026.

Verification

Primary source

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

Open source

Company

X4 Pharmaceuticals

XFOR · NasdaqCM
Industry
Biotechnology
Pipeline assets
5
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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
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