A Study of MT-303 in Adults With Advanced or Metastatic GPC3-Expressing Cancers, Including HCC
A Phase 1, Open-Label, First-in-Human, Dose Escalation Study to Investigate the Safety, Pharmacokinetics, Pharmacodynamics and Preliminary Efficacy of MT-303 in Adults With Advanced or Metastatic GPC3-Expressing Cancers, Including Hepatocellular Carcinoma
Myeloid Therapeutics
70 participants
Jul 1, 2024
INTERVENTIONAL
Conditions
Summary
This is a multicenter, open-label, Phase 1, first-in-human, dose-escalation study designed to assess the safety, tolerability and define the RP2D of MT-303 alone (Module 1) and in combination with Atezo/Bev (Module 2) in participants with advanced hepatocellular carcinoma expressing GPC3.
Eligibility
Inclusion Criteria6
- Aged 18 years or older
- Histological diagnosis of advanced/recurrent or metastatic and/or unresectable HCC. \[Note: participants with other tumor types expressing GPC3 may be eligible for Module 1 pending a discussion with the Medical Monitor. Only participants with HCC are eligible for Module 2.
- Measurable lesion per RECIST 1.1 criteria
- Eastern Cooperative Oncology Group (ECOG) performance status grade of 0 or 1
- Child-Pugh score: Class A
- Adequate organ function
Exclusion Criteria12
- Known active CNS metastasis and/or carcinomatous meningitis.
- Any acute illness including active infection
- History of liver transplantation or on waiting list
- Participants with untreated or incompletely treated varices with bleeding or high risk for bleeding
- Uncontrolled pleural effusion, pericardial effusion, or ascites
- History of symptomatic congestive heart failure
- History of chronic or recurrent (within the last year) severe autoimmune or immune mediated disease requiring steroids or other immune-suppressive treatments.
- Known fibrolamellar HCC, sarcomatoid HCC, or mixed cholangiocarcinoma and HCC.
- Significant cardiovascular disease
- History of severe hypersensitivity to atezolizumab and/or bevacizumab.
- History of idiopathic pulmonary fibrosis
- Prior history of hypertensive crisis or hypertensive encephalopathy.
Interventions
MT-303
MT-303 in combination with Atezo/Bev
Locations(9)
View Full Details on ClinicalTrials.gov
For the most up-to-date information, visit the official listing.
NCT06478693