New hope for hard-to-treat cancers: experimental combo targets STK11 mutation
NCT ID NCT05887492
First seen Jun 27, 2026 · Last updated Jul 07, 2026 · Updated 2 times
Summary
This study tests an experimental drug called TNG260 combined with an immunotherapy (pembrolizumab) in people with advanced solid tumors that have a specific gene change (STK11 mutation). The goal is to find the best dose and see if the combination is safe and can shrink tumors. About 126 adults with advanced lung or other solid tumors will take part.
Why investors are watching
Tango Therapeutics is testing TNG260, a CoREST inhibitor, combined with the immunotherapy pembrolizumab in patients with advanced solid tumors that carry an STK11 mutation. This mutation often makes tumors resistant to standard immunotherapy, so a drug that could restore sensitivity would address a clear unmet need. For a small company like Tango, this early-stage readout on safety, dosing, and initial tumor response is a major value driver.
If it works: If the combination shows acceptable safety and signs of tumor shrinkage or disease control, Tango could advance to a larger Phase 2 study and potentially position TNG260 as a new option for a genetically defined patient group. That would validate the company's approach and support further development.
If it fails: Early-phase trials often fail because the drug is unsafe, poorly tolerated, or shows no clear benefit. A negative or unclear result could delay the program, increase cash burn, and hurt the company's prospects, since Tango's value depends heavily on this asset.
AI-written from the trial record. Speculative, and not investment advice.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 1/2
Runs two stages together: safety and dose first, then whether the treatment works.
- Participants
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About 126 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jun 2023
- Expected to finish
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Sep 2026
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Is ≥18 years of age at the time of signature of the main study ICF. * Has ECOG performance status of 0 or 1. * Has measurable disease based on RECIST v1.1. * All participants must have documented STK11 mutation in a solid tumor, which is identified through a validated analytical method * Has confirmed histologic or cytologic diagnosis of a locally advanced or metastatic solid tumor. * Adequate organ function/reserve per local labs * Adequate liver function per local labs * Adequate renal function per local labs * Negative serum pregnancy test result at screening * Written informed consent must be obtained according to local guidelines Exclusion Criteria: * Known allergies, hypersensitivity, or intolerance to TNG260, PD-1 antibody or its excipients * Uncontrolled intercurrent illness that will limit compliance with the study requirements * Active infection requiring systemic therapy * Currently participating in or has planned participation in a study of another investigational agent or device * Impairment of GI function or disease that may significantly alter the absorption of oral TNG260 * Active prior or concurrent malignancy. * Central nervous system metastases associated with progressive neurological symptoms * Current active liver disease from any cause * Clinically relevant cardiovascular disease * A female patient who is pregnant or lactating
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Dana Farber Cancer Institute
Boston, Massachusetts, 02215, United States
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Florida Cancer Specialists
Sarasota, Florida, 34232, United States
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Henry Ford Health System
Detroit, Michigan, 48202, United States
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NEXT Oncology Virginia
Fairfax, Virginia, 22031, United States
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NYU Langone Hematology Oncology Associates-Mineola
Mineola, New York, 11501, United States
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New York University Langone Health
New York, New York, 10016, United States
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SCRI at HealthOne
Denver, Colorado, 80218, United States
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START MidWest
Grand Rapids, Michigan, 49546, United States
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Sarah Cannon Tennessee Oncology
Nashville, Tennessee, 37203, United States
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The University of Texas MD Anderson Cancer Center
Houston, Texas, 77030, United States
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UCLA Hematology/Oncology
Santa Monica, California, 90404, United States
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US Oncology Investigational Products Center
Dallas, Texas, 75246, United States
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US Oncology Investigational Products Center
Norfolk, Virginia, 23502, United States
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