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A Phase 1 Dose-escalation Trial of KST-6051 in Participants With Advanced Solid Tumors With Kirsten Rat Sarcoma Viral Oncogene Homolog (KRAS) Mutation

RECRUITINGPhase 1Sponsored by Kestrel Therapeutics, Inc.
Actively Recruiting
PhasePhase 1
SponsorKestrel Therapeutics, Inc.
Started2026-04
Est. completion2027-06
Eligibility
Age18 Years+
Healthy vol.Accepted
Locations2 sites

Summary

The main purpose of the trial is to assess whether the trial drug, KST-6051, is safe and tolerable when administered orally to adults with advanced or metastatic solid tumors with certain KRAS mutations.

Eligibility

Age: 18 Years+Healthy volunteers accepted
Inclusion Criteria:

1. Age ≥ 18 years.
2. Willing and able to give written informed consent.
3. Histologically documented locally advanced and unresectable or metastatic NSCLC, PDAC, CRC, or other solid tumor.
4. Documentation of KRAS mutation prior to the first dose of trial drug(s).
5. Progressed on or intolerant to standard treatment(s).
6. Eastern Cooperative Oncology Group Performance Status (ECOG PS) of 0 or 1.
7. Adequate cardiovascular, hematological, liver, and renal function.
8. Measurable disease at baseline per Response Evaluation Criteria In Solid Tumors version 1.1 (RECIST 1.1).

Exclusion Criteria:

1. Previous or current treatment with RAS or KRAS inhibitors.
2. Central nervous system (CNS) tumors or metastases.
3. Inability to swallow oral medications.
4. Pregnant, breastfeeding, or expecting to conceive or father children within the projected duration of the trial.

Other inclusion/exclusion criteria are specified in the protocol.

Conditions6

CancerKRAS-mutant Colorectal Cancer (CRC)KRAS-mutant Non-small Cell Lung Cancer (NSCLC)KRAS-mutant Pancreatic Ductal Adenocarcinoma (PDAC)Lung CancerOther KRAS-mutant Solid Tumors

Interventions1

Locations2 sites

Texas

1 site
NEXT Oncology
San Antonio, Texas, 78229

Virginia

1 site
NEXT Virginia
Fairfax, Virginia, 22031

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Trial data from ClinicalTrials.gov. Trial status and eligibility can change — verify directly with the study contact or on ClinicalTrials.gov.

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