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TRX-100

Phase 2

Influenza | Small molecule | Infectious Disease |Traws Pharma, Inc.|Last Updated: Mar 31, 2026

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
RandomizedDouble-BlindACTIVE_CONTROLLEDBiomarker
Total Trials2
Total Enrollment270
FDA Designations
No designations recorded
Clinical Trials (2)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT07503405Phase 2a Study of the Efficacy and Safety of TRX-100 in a Human Influenza A Challenge ModelPHASE2 NOT YET_RECRUITING 165Jun 1, 2026Apr 1, 2027Mar 31, 20261 United Kingdom
NCT07371650This is an Early-stage Clinical Trial to Determine a Safe and Effective Dose for Tivoxavir Marboxil in Patients With Mild to Moderate InfluenzaPHASE2 ACTIVE NOT_RECRUITING 105Dec 15, 2025Jan 1, 2027Mar 27, 20261 Australia
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Study Endpoints
Primary Endpoints
Laboratory-Confirmed Infection
From Day 1 (pm) up to Day 8 (am)

Defined as at least 2 quantifiable (≥LLOQ) qRT-PCR samples reported over 4 planned consecutive assessments within 48 hours.

Symptoms of Grade ≥2
From Day 1 (am) to Day 8 (am)

At least one incidence of a symptom from the symptom diary card of grade ≥2.

Incidence of AE/SAE
up to Day 28

Number of participants with Adverse Events (AEs), serious Adverse Events (SAEs) (including withdrawals due to AEs)

Incidence of abnormal laboratory tests results
Up to Day 28

Number of participants with abnormal laboratory tests results

Incidence of abnormal clinically significant ECG results
Up to 28 days
Number of participants with abnormal physical examinations findings
Up to 28 days
Secondary Endpoints
Area Under the Viral Load-Time Curve
From Day 1 (pm) to Day 8 (am)
Viral Load Area Under the Curve by Viral Culture
From Day 1 (pm) to Day 8 (am)
Peak Viral Load by qRT-PCR
From Day 1 (pm) to Day 8 (am)
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Study Design & Arms
AllocationRANDOMIZED
MaskingTRIPLE
ModelPARALLEL
PurposePREVENTION
Treatment Arms
ArmTypeDescription
TRX-100 Timing 1EXPERIMENTALParticipants in this arm will receive single oral dose of the investigational drug, TRX-100.
TRX-100 Timing 2EXPERIMENTALParticipants in this arm will receive single oral dose of the investigational drug, TRX-100.
TRX-100 Timing 3EXPERIMENTALParticipants in this arm will receive single oral dose of the investigational drug, TRX-100.
TRX-100 Timing 4EXPERIMENTALParticipants in this arm will receive single oral dose of the investigational drug, TRX-100.
Placebo Timing 1PLACEBO_COMPARATORParticipants in this arm will receive single oral dose of the Placebo.
Placebo Timing 2PLACEBO_COMPARATORParticipants in this arm will receive single oral dose of the Placebo.
Placebo Timing 3PLACEBO_COMPARATORParticipants in this arm will receive single oral dose of the Placebo.
Placebo Timing 4PLACEBO_COMPARATORParticipants in this arm will receive single oral dose of the Placebo.
TRX-100 Dose Level 1EXPERIMENTALParticipants in this arm will receive a lower single oral dose of the investigational drug, TRX-100.
TRX-100 Dose Level 2EXPERIMENTALParticipants in this arm will receive a higher single oral dose of the investigational drug, TRX-100.
Standard of Care (SOC)ACTIVE_COMPARATORParticipants in this arm will not receive the investigational drug. Instead, they will receive the current standard of care treatment. This arm serves as a comparator to evaluate the effects of the investigational drug.
Interventions
NameTypeDescription
TRX-100DRUGA single oral dose in capsules
PlaceboDRUGA single oral dose in capsules
Influenza A/France/759/2021 (H1N1) virusBIOLOGICALA single dose of challenge agent will be delivered Intranasal
Standard of Care (SOC)DRUGStandard of Care Influenza Antiviral therapy
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Eligibility Criteria
Age Range18 Years — 55 Years
SexALL
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: 1. Written informed consent signed and dated by the participant and the PI/investigator obtained before any assessment is performed. 2. Aged between 18 and 55 years old on the day prior to signing the consent form, inclusive. 3. A total body weight ≥50 kg and body mass index (BM...

Countries:United KingdomAustralia
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Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT07503405primaryCompletionDate: changed
LOWMay 26, 2026NCT07371650primaryCompletionDate: changed
LOWMay 24, 2026NCT07503405studyFirstPostDate: changed
LOWMay 24, 2026NCT07371650studyFirstPostDate: changed