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PAS-004

Phase 1

NF1 Mutation | Small molecule | Other |Pasithea Therapeutics Corp.|Last Updated: Dec 4, 2025

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
CONTROLLEDBiomarker
Total Trials1
Total Enrollment56
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT06961565PAS-004 in Adults Who Have Neurofibromatosis Type 1 With Plexiform NeurofibromasPHASE1 RECRUITING 56May 30, 2025Dec 1, 2027Dec 4, 20255 United States, Australia +1
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Study Endpoints
Primary Endpoints
Part A: To evaluate the safety and tolerability of PAS-004 when administered for one 28-day treatment cycle
Part A from enrollment (Day 1) through Day 28 (completion of Cycle 1)

Endpoint/Outcome Measures: Number of participants with dose-limiting toxicities (DLTs), with Adverse Events (AEs), AEs leading to interruption or discontinuation of study drug, with clinically significant findings on clinical laboratory tests, with abnormal cardiac and visual function exams using the Common Terminology Criteria for Adverse Events (CTCAE Version 5).

Part B: To evaluate the safety and tolerability of PAS-004 when administered for six 28-day treatment cycle
Part B from enrollment (Day 1) through Day 168 (completion of Cycle 6) [each cycle is 28 days]

Endpoint/Outcome Measures: Number of participants with dose-limiting toxicities (DLTs), with Adverse Events (AEs), AEs leading to interruption or discontinuation of study drug, with clinically significant findings on clinical laboratory tests, with abnormal cardiac and visual function exams using the Common Terminology Criteria for Adverse Events (CTCAE Version 5).

Secondary Endpoints
Peak Plasma Concentration (Cmax)
Day 28 (predose, and 1 , 3 , 6 , and 24 hours post-dose) [end of Cycle 1]
Plasma predose or trough concentration (Ctau/Ctrough)
Day 28 (predose, and 1 , 3 , 6 , and 24 hours post-dose) [end of Cycle 1]
Time of maximum plasma concentration (Tmax)
Day 28 (predose, and 1 , 3 , 6 , and 24 hours post-dose) [end of Cycle 1]
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Study Design & Arms
AllocationNON_RANDOMIZED
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Part AEXPERIMENTALSequential dose escalation: 4 mg, 8 mg, 12 mg, and 18 mg
Part BEXPERIMENTALTwo parallel cohorts dosing at 2 levels selected based on Part A safety results
Interventions
NameTypeDescription
PAS-004 TabletsDRUGA mitogen-activated protein kinase/extracellular signal-regulated kinase kinase (MAPK/ERK kinase, or MEK) 1/2 inhibitor presented in 1m and 4mg strength tablets, intended for oral administration once daily.
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites5

Inclusion Criteria: 1. Participant is capable of providing informed consent, which includes compliance with the requirements, prohibitions and restrictions listed in the informed consent form. 2. Participant has been informed both verbally and in writing about the objectives of the clinical study, ...

Countries:United StatesAustraliaSouth Korea
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Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT06961565primaryCompletionDate: changed
LOWMay 24, 2026NCT06961565studyFirstPostDate: changed