For Patients
WHIM Genetic Background
Chronic Neutropenia
Genetic Testing
Waldenstrom Macroglobulinemia
Oncology Patient Resources
WHIM Syndrome
WHIM Syndrome Patient Resources
No-Cost Genetic Testing
Expanded Access Policy

For Patients

At X4 Pharmaceuticals, we are developing therapies for people with immunodeficiencies (like WHIM syndrome and chronic neutropenia) and certain types of cancer (like Waldenstrom macroglobulinemia).

X4 also provides no-cost genetic testing and counseling for those who qualify.