NCT06084416

Brief Summary

This is a randomized, phase 1b study to assess the safety, tolerability, pharmacokinetics (PK), and efficacy of sovilnesib at different dose levels to establish the Recommended Phase 2 Dose (RP2D) of sovilnesib in subjects with high grade serous ovarian cancer (HGSOC).

Trial Health

55
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
120

participants targeted

Target at P75+ for phase_1

Timeline
Completed

Started Apr 2024

Typical duration for phase_1

Geographic Reach
1 country

13 active sites

Status
active not recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

October 10, 2023

Completed
6 days until next milestone

First Posted

Study publicly available on registry

October 16, 2023

Completed
6 months until next milestone

Study Start

First participant enrolled

April 4, 2024

Completed
1.9 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 1, 2026

Completed
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

April 1, 2026

Completed
Last Updated

October 20, 2025

Status Verified

October 1, 2025

Enrollment Period

1.9 years

First QC Date

October 10, 2023

Last Update Submit

October 15, 2025

Conditions

Keywords

KIF18A Inhibitor

Outcome Measures

Primary Outcomes (6)

  • Determination of the Recommended Phase 2 Dose (RP2D) of Sovilnesib

    Up to 24 months

  • Frequency and duration of Serious Adverse Events (SAEs) graded according to the National Cancer Institute Common Terminology Criteria for Adverse Events (NCI-CTCAE) version 5.0

    Up to 24 months

  • Frequency and duration of Treatment-related Adverse Events (AEs) graded per NCI-CTCAE version 5.0

    Up to 24 months

  • Frequency and duration of Treatment-Emergent AEs (TEAEs) graded per NCI-CTCAE version 5.0

    Up to 24 months

  • Frequency of Dose Interruptions and Permanent Treatment Discontinuations

    Up to 24 months

  • Objective Response Rate (ORR) as assessed by Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1

    Up to 24 months

Secondary Outcomes (5)

  • Duration of Response (DOR) as assessed by RECIST version 1.1

    Up to 24 months

  • Disease Control Rate (DCR) as assessed by RECIST version 1.1

    Up to 24 months

  • Progression Free Survival (PFS) as assessed by RECIST version 1.1

    Up to 24 months

  • Evaluation of CA-125 response by Gynecologic Cancer InterGroup (GCIG) criteria

    Up to 24 months

  • Plasma level of Sovilnesib

    Up to 24 months

Study Arms (4)

Dose Level 1

EXPERIMENTAL

Subjects will receive sovilnesib once daily at Dose Level 1 in 28-day cycles.

Drug: Sovilnesib

Dose Level 2

EXPERIMENTAL

Subjects will receive sovilnesib once daily at Dose Level 2 in 28-day cycles.

Drug: Sovilnesib

Dose Level 3

EXPERIMENTAL

Subjects will receive sovilnesib once daily at Dose Level 3 in 28-day cycles.

Drug: Sovilnesib

Dose Level 4

EXPERIMENTAL

Subjects will receive sovilnesib once daily at Dose Level 4 in 28-day cycles.

Drug: Sovilnesib

Interventions

Sovilnesib tablets will be given orally.

Dose Level 1Dose Level 2Dose Level 3Dose Level 4

Eligibility Criteria

Age18 Years+
Sexfemale(Gender-based eligibility)
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • 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
  • High Grade Serous Ovarian Cancer, Fallopian Tube or Primary Peritoneal Cancer - histologically or cytologically confirmed; metastatic or unresectable; platinum resistant (defined as recurrence within 6 months of platinum containing therapy) or platinum refractory; prior bevacizumab treatment, or ineligible or intolerant to bevacizumab, or did not receive bevacizumab based on Investigator judgement; if germline and/or somatic BRCA1/2 mutation, previously treated with PARP-inhibitor or ineligible or intolerant.

You may not qualify if:

  • MSI-H, dMMR, POLE gene hotspot mutated, or known hypermutator phenotype
  • Endometrioid, clear cell, mucinous, sarcomatoid, low-grade/borderline ovarian tumor or mixed tumors containing any of the above histologies
  • Previously received KIF18A inhibitor
  • Current CNS metastases or leptomeningeal disease
  • Cardiac parameters: MI or stroke ≤ 6 months, unstable angina/PE/DVT/CABG ≤ 6 months, NYHA Class ≥ II, LVEF \< 50%
  • Any gastrointestinal condition (e.g. malabsorption syndrome, surgical anastomosis, short bowel syndrome) that might affect the absorption of oral medications including the study drug

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (13)

The University of Alabama at Birmingham

Birmingham, Alabama, 35294, United States

Location

University of Arkansas for Medical Sciences

Little Rock, Arkansas, 72205, United States

Location

UCLA

Los Angeles, California, 90095, United States

Location

Hoag Memorial Hospital

Newport Beach, California, 92663, United States

Location

Georgia Cancer Center Augusta University

Atlanta, Georgia, 30912, United States

Location

Johns Hopkins Hospital

Baltimore, Maryland, 21287, United States

Location

Dana Farber Cancer Institute

Boston, Massachusetts, 02215, United States

Location

Corewell Health

Grand Rapids, Michigan, 49503, United States

Location

Roswell Park Comprehensive Cancer Center

Buffalo, New York, 14263, United States

Location

Icahn School of Medicine at Mount Sinai

New York, New York, 10128, United States

Location

OU Health Stephenson Cancer Center

Oklahoma City, Oklahoma, 73117, United States

Location

MUSC Hollings Cancer Center

Charleston, South Carolina, 29020, United States

Location

Fred Hutchinson Cancer Center

Seattle, Washington, 98109, United States

Location

MeSH Terms

Conditions

Fallopian Tube NeoplasmsChromosomal Instability

Condition Hierarchy (Ancestors)

Genital Neoplasms, FemaleUrogenital NeoplasmsNeoplasms by SiteNeoplasmsFallopian Tube DiseasesAdnexal DiseasesGenital Diseases, FemaleFemale Urogenital DiseasesFemale Urogenital Diseases and Pregnancy ComplicationsUrogenital DiseasesGenital DiseasesChromosome AberrationsPathologic ProcessesPathological Conditions, Signs and SymptomsGenomic Instability

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

October 10, 2023

First Posted

October 16, 2023

Study Start

April 4, 2024

Primary Completion

March 1, 2026

Study Completion

April 1, 2026

Last Updated

October 20, 2025

Record last verified: 2025-10

Locations