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INT230-6

Phase 3

Sarcoma,Soft Tissue | Small molecule | Oncology |Intensity Therapeutics, Inc.|Last Updated: Jul 29, 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
RandomizedACTIVE_CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment333
FDA Designations
ORPHAN_DRUG
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT06263231A Study to Investigate Efficacy & Safety of Intratumoral INT230-6 Compared to US Standard of Care in Adults With Soft Tissue Sarcomas (INVINCIBLE-3)PHASE3 ACTIVE NOT_RECRUITING 333Jun 28, 2024Dec 1, 2028Jul 29, 202517 United States, Canada +3
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Study Endpoints
Primary Endpoints
Overall Survival (OS)
From date of randomization until the documented date of death from any cause for a period of up to 2 years, unless superiority is demonstrated sooner or 80% of deaths during the study period.

To compare OS for INT230-6 vs US Standard of Care (SOC) in participants with unresectable or metastatic liposarcoma, undifferentiated pleomorphic sarcoma or leiomyosarcoma who have disease progression prior to study enrollment following no more than 2 standard therapies, which must have included an anthracycline-based regimen, unless contraindicated, and then a maximum of 1 additional regimen.

Secondary Endpoints
Overall Survival (OS) For INT230-6 Compared to OS for Standard of Care (SOC) for Participants with leiomyosarcoma
From date of randomization until the documented date of death from any cause for a period of up to 2 years, unless superiority is demonstrated sooner or 80% of deaths during the study period.
Overall Survival (OS) For INT230-6 Compared to OS for Standard of Care (SOC) for Participants with liposarcoma
From date of randomization until the documented date of death from any cause for a period of up to 2 years, unless superiority is demonstrated sooner or 80% of deaths during the study period.
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Study Design & Arms
AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
INT230-6 MonotherapyEXPERIMENTALINT230-6 administered intratumorally. Participants will be dosed every 2 weeks (± 2 days) for up to a total of 5 treatment sessions (e.g., Days 1, 15, 29, 43 and 57). Once the participant has completed the treatment phase, they will continue into a 22-month maintenance phase, where investigators may inject new lesions or previously injected lesions with up to 175 mL of INT230-6 every 12 weeks (Q12W) ± 14 days. Dose volume in a session is dependent on the participants presenting tumor burden.
US Standard of CareACTIVE_COMPARATORParticipants in this arm may receive any of the following depending on soft tissue sarcoma (STS) subtype and PI preference: * Pazopanib: 800 mg PO every day until clinical deterioration or disease progression * Trabectedin: 1.5 mg/m2 body surface area as 24-hour IV infusion every 3 weeks until clinical deterioration or disease progression * Eribulin: Non- European Union (EU) sites: 1.4 mg/m2 eribulin mesylate body surface area IV on Days 1 and 8 every 3 weeks until clinical deterioration or disease progression EU sites: 1.23 mg/m2 (free base) body surface area IV on Days 1 and 8 every 3 weeks until clinical deterioration or disease progression
Interventions
NameTypeDescription
INT230-6DRUGINT230-6 is a fixed combination of cisplatin, vinblastine and SHAO.
EribulinDRUGEribulin IV
TrabectedinDRUGTrabectedin infusion
PazopanibDRUGPazopanib pill
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites17

Inclusion Criteria: 1. Participant is of any sex and must be ≥ 18 years old and provide written informed consent to participate in the study. Type of Participant and Disease Characteristics 2. Histologically proven, unresectable, locally advanced, or metastatic Soft Tissue Sarcoma (STS) only of...

Countries:United StatesCanadaFranceGermanySpain
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Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT06263231primaryCompletionDate: changed
LOWMay 24, 2026NCT06263231studyFirstPostDate: changed