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Recruiting Phase 1 Interventional

A Phase 1 Study of XL309 (ISM3091) Alone and in Combination in Participants With Advanced Solid Tumors

ClinicalTrials.gov ID: NCT05932862

Public ClinicalTrials.gov record NCT05932862. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 18, 2026, 9:18 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

An Open-Label, Multicenter Study to Investigate the Safety, Tolerability, Pharmacokinetics, and Preliminary Efficacy of XL309 (ISM3091) as Single-Agent and Combination Therapy in Patients With Advanced Solid Tumors

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This is a first-in-human (FIH), multicenter, open-label Phase I study to investigate the safety, tolerability, preliminary antitumor activity, as well as pharmacokinetics (PK) and pharmacodynamics of XL309 (previously ISM3091) administered alone or in combination with olaparib in participants with advanced solid tumors.

Study identification

NCT ID
NCT05932862
Recruitment status
Recruiting
Study type
Interventional
Phase
Phase 1
Lead sponsor
Exelixis
Industry
Enrollment
429 participants

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Apr 2, 2024
Primary completion
Jan 2, 2029
Completion
Aug 2, 2029
Last update posted
Sep 4, 2025

2024 – 2029

United States locations

U.S. sites
16
U.S. states
10
U.S. cities
15
Facility City State ZIP Site status
Exelixis Clinical Site #12 Fountain Valley California 92708 Withdrawn
Exelixis Clinical Site #15 Jacksonville Florida 32224 Recruiting
Exelixis Clinical Site #8 Orlando Florida 32827 Recruiting
Exelixis Clinical Site #16 Tampa Florida 33612 Recruiting
Exelixis Clinical Site #14 Rochester Minnesota 55905 Recruiting
Exelixis Clinical Site #10 Kansas City Missouri 64111 Withdrawn
Exelixis Clinical Site #9 New Brunswick New Jersey 08901 Recruiting
Exelixis Clinical Site #5 New York New York 10029 Recruiting
Exelixis Clinical Site #7 Cleveland Ohio 44106 Recruiting
Exelixis Clinical Site #13 Oklahoma City Oklahoma 73104 Recruiting
Exelixis Clinical Site #11 Germantown Tennessee 38138 Recruiting
Exelixis Clinical Site #6 Nashville Tennessee 37203 Recruiting
Exelixis Clinical Site #4 Austin Texas 78758 Recruiting
Exelixis Clinical Site #1 Houston Texas 77030 Recruiting
Exelixis Clinical Site #2 Houston Texas 77030 Withdrawn
Exelixis Clinical Site #3 San Antonio Texas 78229 Recruiting

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT05932862, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Sep 4, 2025 · Synced Sep 18, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT05932862 live on ClinicalTrials.gov.

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