A Phase I/II Study of VLS-1488 in Subjects With Advanced Cancer

Summary

This is a first-in-human phase I/II study to examine the safety, tolerability and preliminary efficacy of VLS-1488 in subjects with advanced cancers.

Eligibility

Key Inclusion Criteria:

* All Parts: Age ≥ 18 years, ECOG Performance Status ≤ 1, at least 1 site of measurable disease evaluable by CT scan or MRI per RECIST 1.1, able to take oral medication without alteration
* Dose Escalation: No available therapeutic options to provide clinically meaningful benefits in the following tumor types: High Grade Serous Ovarian Cancer, Squamous Non -Small Cell Lung Cancer, Triple Negative Breast Cancer, Gastric Adenocarcinoma (not EBV+), Colorectal, Esophageal Squamous Cell Carcinoma, Esophageal Adenocarcinoma, Gastroesophageal Junction, Bladder (transitional cell), Head and Neck Squamous Cell Carcinomas (not nasopharynx, sinonasal or lip), Ovarian Carcinosarcoma, CN-high Endometrial/Uterine
* Dose Expansion: Must have been previously treated with several lines of standard of care treatment specified in the protocol in the following tumor types: High Grade Serous Ovarian Cancer, Squamous Non-Small Cell Lung Cancer, Triple Negative Breast Cancer, Gastric Adenocarcinoma (not EBV+), Colorectal, Esophageal Squamous Cell Carcinoma, Esophageal Adenocarcinoma, Head and Neck Squamous Cell Carcinomas (not nasopharynx, sinonasal or lip), CN-high Endometrial/Uterine

Key Exclusion Criteria:

* MSI-H, dMMR, POLE gene hotspot mutated, or known hypermutator phenotype
* Previously received KIF18A inhibitor
* Current CNS metastases or leptomeningeal disease
* Cardiac parameters: MI or stroke ≤ 1 year, unstable angina/PE/DVT/CABG ≤ 6 months, NYHA Class ≥ II, LVEF \< 50%
* Inability to comply with concomitant medication restrictions with respect to strong inhibitors and inducers of CYP3A, and clinical inhibitors of MDR1 (P-gp) and BCRP
* Any clinically significant ascites or pleural effusions at time of enrollment, or any therapeutic paracentesis or thoracentesis within 28 days of planned first dose of study drug
* Bowel obstruction or GI perforation within 6 months of planned first dose of study drug

Conditions13

Interventions1

Locations14 sites

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