New MEK inhibitor PAS-004 enters human trials for Hard-to-Treat cancers
NCT ID NCT06299839
First seen Dec 29, 2025 · Last updated Jun 19, 2026 · Updated 23 times
Summary
This early-stage trial is testing a new oral drug called PAS-004 in 48 people with advanced solid tumors that have RAS, NF1, or RAF mutations. The main goals are to find safe doses and understand side effects. Participants take PAS-004 daily for up to 2 years, with regular health checks.
Disclaimer
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This is a summary of
the original study
.
Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Contacts and locations
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Locations
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Institute of Oncology Bucharest Prof. Dr. Alexandru Trestioreanu
RECRUITINGBucharest, 022328, Romania
Contact
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Institute of Oncology Prof. Dr. Ion Chiricuta
RECRUITINGCluj-Napoca, RO-400015, Romania
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact
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MBAL Sveta Sofia
RECRUITINGSofia, 1404, Bulgaria
Contact
Contact Phone: •••-•••-•••• Email: •••••@•••••
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NEXT Oncology
ACTIVE_NOT_RECRUITINGAustin, Texas, 78758, United States
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NEXT Oncology
ACTIVE_NOT_RECRUITINGIrving, Texas, 75039, United States
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NEXT Oncology
ACTIVE_NOT_RECRUITINGSan Antonio, Texas, 78229, United States
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NEXT Oncology
ACTIVE_NOT_RECRUITINGFairfax, Virginia, 22031, United States
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
PAS-004 (a MEK inhibitor drug taken orally)
What this could lead to
If successful, this could lead to a new treatment option for people with advanced solid tumors that have specific genetic mutations.
What could go wrong
This is an early Phase 1 trial with only 48 participants, so the drug may not prove safe or effective. Side effects are unknown and could be serious.
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.