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TJ033721

Phase 1

Solid Tumor | Small molecule | Oncology |I-Mab Sponsored ADR|Last Updated: Mar 5, 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
Double-BlindCONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment330
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT04900818Study of TJ033721 (Givastomig) in Subjects With Advanced or Metastatic Solid TumorsPHASE1 RECRUITING 330Jun 29, 2021Dec 1, 2027Mar 5, 202621 United States, China
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Study Endpoints
Primary Endpoints
Dose-limiting toxicities (DLTs)
28 days
Incidence and severity of AEs
Up to 100 days post last dose

The CTCAE criteria will be used to assess adverse events on this trial.

Maximum tolerated or administered dose (MTD, MAD)
28 Days

Based on DLT definitions

Secondary Endpoints
Pharmacokinetic (PK) Parameters: AUC∞
Up to 100 days post last dose
Pharmacokinetic (PK) Parameters: AUCt
up to 100 days post last dose
Pharmacokinetic (PK) Parameters: Cmax
up to 100 days post last dose
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Study Design & Arms
AllocationNON_RANDOMIZED
MaskingDOUBLE
ModelSEQUENTIAL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
TJ033721 (givastomig)EXPERIMENTALDose Escalation: TJ033721 will be administered at up to 8 dose levels (0.1, 0.3, 1, 3, 5, 8, 12 and 15 mg/kg) bi weekly (Q2W) and 1 dose level (18 mg/kg) every 3 weeks (Q3W) During dose expansion, TJ033721 will be administered Q2W, starting at the RP2D or MTD in dose escalation.
TJ033721 (givastomig) in combination with nivolumab and chemotherapyEXPERIMENTALTJ033721 will be administered in combination with nivolumab and chemotherapy
TJ033721 (givastomig) in combination chemotherapyEXPERIMENTALTJ033721 (givastomig) will be administered in combination chemotherapy
TJ033721 (givastomig) in combination with durvalumab and chemotherapyEXPERIMENTALTJ033721 (givastomig) will be administered in combination with durvalumab and chemotherapy
Interventions
NameTypeDescription
TJ033721 (givastomig)DRUGTetravalent IgG(H)-scFv fusion-type of bi-specific antibody (BsAb)
TJ033721 (givastomig) , nivolumab, chemotherapyDRUGTetravalent IgG(H)-scFv fusion-type of bi-specific antibody (BsAb), nivolumab, chemotherapy
TJ033721 (givastomig), chemotherapyDRUGTetravalent IgG(H)-scFv fusion-type of bi-specific antibody (BsAb), chemotherapy
TJ033721 (givastomig), durvalumab, chemotherapyDRUGTetravalent IgG(H)-scFv fusion-type of bi-specific antibody (BsAb), durvalumab, chemotherapy
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites21

Inclusion Criteria: Part 1 - Monotherapy Subjects with advanced or metastatic solid tumor in subjects whose disease has progressed despite standard therapy, or who has no further standard therapy, or who is unsuitable for available standard treatment options. Part 2 - Combination Therapy Subjects ...

Countries:United StatesChina
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Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT04900818primaryCompletionDate: changed
LOWMay 24, 2026NCT04900818studyFirstPostDate: changed