Study to Evaluate VT3989 in Patients With Metastatic Solid Tumors

Summary

This is an open-label, dose escalation and expansion study to evaluate the safety, tolerability, PK, and biological activity of VT3989 administered, alone or in combination, once daily in patients with mesothelioma and/or metastatic solid tumors that are resistant to standard therapy or for which no effective standard therapy is available.

Eligibility

Inclusion Criteria:

* Part 3 Combination Cohort A: Patients with pathologically diagnosed, metastatic or unresectable malignant mesothelioma (including both pleural and non-pleural) who have not received systemic therapy.
* Part 3 Combination Cohort B: Patients with pathologically diagnosed incurable locally advanced (inoperable or recurrent), or metastatic NSCLC with exon 19 deletions or exon 21 L858R mutations, with or without prior treatment with Osimertinib.
* Part 3 Combination Cohort C: Patients with pathologically diagnosed metastatic or unresectable malignant pleural mesothelioma who have not received systemic chemotherapy.
* Measurable disease per RECIST v1.1 for non-pleural mesothelioma or other solid tumors or modified RECIST v1.1 for malignant pleural mesothelioma. mRECIST may be used for pleural extension of non-pleural mesothelioma or for mixed pleural and peritoneal (or other) mesothelioma.
* ECOG: 0-1.
* Adequate organ functions, including the liver, kidneys, and hematopoietic system.

Exclusion Criteria:

* Active brain metastases or primary CNS (central nervous system) tumors.
* History of leptomeningeal metastases
* Active or chronic, uncontrolled bacterial, viral, or fungal infection(s) requiring systemic therapy
* Known HIV positive or active Hepatitis B or Hepatitis C
* Clinically significant cardiovascular disease and prior exposure to cardiotoxic agents.
* Corrected QT (QTcF) interval \> 470 msec (using Fridericia's correction formula).
* Additional active malignancy that may confound the assessment of the study endpoints
* Women who are pregnant or breastfeeding
* Prior treatment with TEAD inhibitor.

Conditions4

Interventions4

Locations9 sites

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