Futibatinib in Patients With Specific FGFR Aberrations

Inclusion Criteria:

1. Eastern Cooperative Oncology Group (ECOG) performance status 0 or 1
2. Known FGFR aberration status and tumor type that meet all of the criteria for 1 of the following cohorts:

   a. Cohort A

   i. Histologically-confirmed, locally-advanced, advanced, or metastatic solid tumors harboring a FGFR1-4

ii. Measurable disease per Response Evaluation Criteria in Solid Tumors (RECIST) Version 1.1

iii. Had disease progression/recurrence after standard treatment for their cancer

b. Cohort B

i. Histologically-confirmed, locally-advanced, advanced, or metastatic gastric or gastroesophageal junction cancer harboring a FGFR2 amplification.

ii. Measurable disease per RECIST 1.1

iii. Received at least 2 prior systemic regimens for advanced/metastatic disease

iv. Experienced disease progression/recurrence during or after the most recent prior systemic treatment for advanced/metastatic gastric cancer or GEJ cancer

c. Cohort C

i. Confirmed myeloid or lymphoid neoplasms as defined by WHO criteria with a FGFR1 rearrangement

ii. Not a candidate for hematological stem cell transplant (HSCT) or relapsed after HSCT and donor lymphocyte infusion, and progressed and not a candidate for other therapies

Exclusion Criteria:

1. History and/or current evidence of any of the following disorders:

   1. Non-tumor related alteration of the calcium-phosphorus homeostasis that is considered clinically significant in the opinion of the Investigator
   2. Ectopic mineralization/calcification including, but not limited to, soft tissue, kidneys, intestine, or myocardia and lung, considered clinically significant in the opinion of the Investigator
   3. Retinal or corneal disorder confirmed by retinal/corneal examination and considered clinically significant in the opinion of the Investigator.
2. Prior treatment with an FGFR inhibitor
3. Brain metastases that are untreated or clinically or radiologically unstable (that is, have been stable for \<1 month)