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SHP674

Phase 2

Acute Lymphoblastic Leukemia | Monoclonal antibody | Oncology |Tango Therapeutics, Inc.|Last Updated: Apr 20, 2023

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
UNCONTROLLEDBiomarker
Total Trials1
Total Enrollment28
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT04067518A Clinical Study of SHP674 (Pegaspargase) in Participants With Newly Diagnosed, Untreated Acute Lymphoblastic LeukemiaPHASE2 COMPLETED 28Oct 17, 2019Feb 4, 2022Apr 20, 20238 Japan
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Study Endpoints
Primary Endpoints
Part 1: Percentage of Participants With Treatment-Emergent Adverse Events (TEAEs) and SHP-674-Related TEAEs During the Tolerability Assessment Period
Up to 30 days after last dose of study drug (approximately 49 weeks)

An adverse event (AE) is defined as any untoward medical occurrence in a participant after signing informed consent. An AE can therefore be any unfavorable and unintended sign (including an abnormal laboratory finding), symptom or disease, whether or not it is related to the investigational product. TEAE is defined as any untoward medical occurrence in a participant who received an investigational product which occurs during the period from Day 1 of the pre-treatment phase to 30 (+7) days after the last dose of investigational product, or until the start of a new therapy, whichever occurs first. A related adverse event signifies that there is a reasonable causal relationship between study treatment and an AE.

Part 2: Percentage of Participants Who Achieved a Plasma Asparaginase Activity of ≥0.1 International Units Per Milliliter (IU/mL) 14 Days (336 Hours) After the First Dose of SHP674
14 days after the first dose of SHP674
Secondary Endpoints
Percentage of Participants With Anti-Drug (SHP674) Antibody (ADA) (Part 1 and Part 2)
Predose and 25 days post dose (Part 1 and Part 2)
Percentage of Participants With Anti-Polyethylene Glycol (PEG) Antibody (Part 1 and Part 2)
Predose and 25 days post dose (Part 1 and part 2)
Part 1: Percentage of Participants Who Achieved a Plasma Asparaginase Activity of ≥0.1 IU/mL 14 Days (336 Hours) After the First Dose of SHP674
14 days after the first dose of SHP674
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Study Design & Arms
AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
SHP674EXPERIMENTALPart 1: Participants with ALL who were stratified into the standard risk (SR) or intermediate risk (IR) groups received total 3 doses of SHP674 in the 36-week treatment period and who were stratified into the high risk (HR) group received total 8 doses of SHP674 in the 45-week treatment period. Part 2: Participants with ALL who were stratified into the SR or IR groups received total 3 doses of SHP674 in the 41-week treatment period and who were stratified into the HR group received total 8 doses of SHP674 in the 45-week treatment period.
Interventions
NameTypeDescription
SHP674BIOLOGICALSHP674: powder for solution for injection, IV (administered by 1 to 2 hours of drip infusion), dose determination : if BSA ≥0.6 m\^2: 2500 IU/m\^2 every 14 days if BSA \<0.6 m\^2: 82.5 IU/kg every 14 days
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Eligibility Criteria
Age Range1 Year — 21 Years
SexALL
Healthy VolunteersNo
Study Sites8

Inclusion Criteria: * Age 1 to ≤21 years at the time of informed consent; * Eastern Cooperative Oncology Group performance status (ECOG PS) 0 to 2; * Newly diagnosed, untreated precursor B-cell ALL * No prior therapy for malignant tumor such as chemotherapy and radiation therapy before signing the ...

Countries:Japan
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