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Recruiting Phase 1, Phase 2 NCT05902988

NCT05902988 A Phase I/II Study of VLS-1488 in Subjects With Advanced Cancer

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Clinical Trial Summary
NCT ID NCT05902988
Status Recruiting
Phase Phase 1, Phase 2
Sponsor Volastra Therapeutics, Inc.
Condition Advanced Solid Tumor
Study Type INTERVENTIONAL
Enrollment 200 participants
Start Date 2023-10-18
Primary Completion 2026-06

Eligibility & Interventions

Sex All sexes
Min Age 18 Years
Max Age N/A
Study Type INTERVENTIONAL
Interventions
VLS-1488

Eligibility Fast-Check

Enter your details for a quick preliminary check. This does not replace medical advice.

What to Expect as a Participant

You will actively receive the study intervention — which may be a drug, biologic, device, or procedure.

Phase 1 is the earliest stage of human testing — safety and dosage are the primary focus. Visits are frequent and medical supervision is intensive. You will be among the first people to receive this treatment.

This trial targets 200 participants in total. It began in 2023-10-18 with a primary completion date of 2026-06.

⚠ This information is for research awareness only. Always consult your physician before joining any clinical trial. Participation is voluntary and you may withdraw at any time.

Brief 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 Criteria

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

Contact & Investigator

Central Contact

Volastra Therapeutics, Inc.

✉ clinicaltrials@volastratx.com

📞 (646) 344-1248

Frequently Asked Questions

Who can join the NCT05902988 clinical trial?

This trial is open to participants of all sexes, aged 18 Years or older, studying Advanced Solid Tumor. Full inclusion and exclusion criteria are listed in the Eligibility Criteria section. Always confirm your eligibility with the research team before applying.

What phase is the NCT05902988 trial and what does that mean for participants?

Phase 1 trials are the first stage of human testing. The primary goal is to assess safety and determine appropriate dosage levels. Participants are closely monitored. These trials typically involve a small number of volunteers.

Is NCT05902988 currently recruiting?

Yes, NCT05902988 is actively recruiting participants. Contact the research team at clinicaltrials@volastratx.com for enrollment information.

Where is the NCT05902988 trial being conducted?

This trial is being conducted at Los Angeles, United States, Newport Beach, United States, Aurora, United States, New Haven, United States and 10 additional locations.

Who is sponsoring the NCT05902988 clinical trial?

NCT05902988 is sponsored by Volastra Therapeutics, Inc.. The trial plans to enroll 200 participants.

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ClinicalMetric — Independent clinical trial intelligence platform. Not affiliated with NIH, ClinicalTrials.gov, the U.S. FDA, or any pharmaceutical company, hospital, or clinical research organization. Trial data is sourced from ClinicalTrials.gov for informational purposes only and does not constitute medical advice. Do not make any treatment, enrollment, or health decisions based solely on information found here — always consult a qualified healthcare professional. Full Disclaimer  ·  Last Reviewed: April 2026  ·  Data Methodology