FGF401 in HCC and Solid Tumors Characterized by Positive FGFR4 and KLB Expression

Inclusion Criteria:

1. ECOG Performance Status ≤ 1
2. Presence of at least one measurable lesion according to RECIST v1.1. c-i) FGF401 single agent-Phase I and Phase II, Group 3: Patients with HCC or advanced solid tumors, who have progressed despite standard therapy or are intolerant of standard therapy, or for whom no standard therapy exists. c-ii) FGF401 single agent-Phase II, Groups 1 and 2: HCC patients previously treated with sorafenib for advanced HCC with documented disease progression during or after discontinuation of sorafenib treatment, or intolerance to sorafenib treatment c-iii) FGF401 in combination with PDR001:Advanced HCC patients who have received up to 2 previous lines of systemic treatment and one treatment must have included sorafenib with documented disease progression during or after discontinuation of sorafenib treatment, or intolerance to sorafenib treatment

Exclusion Criteria:

1. Previous treatment with a selective FGF19-FGFR4 targeted therapy and/or pan-FGFR inhibitor.
2. Symptomatic CNS metastases which are neurologically unstable or requiring increasing doses of steroids to control their CNS disease.
3. Patient having out of range laboratory values defined as:

   * Hematology Hemoglobin ≤ 9 g/dL (SI Units: 90 g/L) Platelet count \< 75000/mm3 Absolute neutrophil count (ANC) \< 1500/mm3
   * Chemistry Total bilirubin ≥ 2 mg/dL AST and/or ALT \> 3 x ULN Serum creatinine \> 1.5 x ULN and/or creatinine clearance ≤ 45 mL/min
   * Coagulation: PT \> 4 seconds more than ULN or INR \> 1.7
4. Pregnant or nursing (lactating) women.

Other protocol-defined Inclusion/Exclusion criteria may apply.