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Monoclonal antibody JST-010

Phase 1

Pre-exposure Prophylaxis Against Pneumonic Plague in Healthy Adults | Monoclonal antibody | Other |Evotec SE|Last Updated: May 12, 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-BlindPLACEBO_CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment104
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT06943378Ph1, Randomized, Double-Blind and Controlled, Dose Escalation and Expansion Study to Assess the Safety and Pharmacokinetics of JST-010 in Healthy AdultsPHASE1 ACTIVE NOT_RECRUITING 104May 16, 2025Oct 1, 2027May 12, 20261 United States
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Study Endpoints
Primary Endpoints
Safety and tolerability of a single dose of JST-010 when administered intramuscularly (IM) in healthy adults
1) Local and systemic solicited AES from injection to Day 7, 2) All AEs post-injection to final visit at Week 48, 3) SAEs, MAAEs, and AESIs post-injection to final visit at Week 48

1. Incidence of solicited local (injection site) and systemic AEs post-injection through Day 7 (with the inpatient and outpatient participant diaries being collected on Day 3 and Day 8, respectively). 2. Incidence of unsolicited AEs through end of study (EOS). 3. Incidence of SAEs, medically attended AEs (MAAEs), and AEs of special interest (AESIs) post-injection through EOS.

Secondary Endpoints
Pharmacokinetic Cmax of JST-010
From enrollment to the end of study at 48 weeks
Pharmacokinetic Tmax of JST-010
From enrollment to the end of study at 48 weeks
Pharmacokinetic Tlast of JST-010
From enrollment to the end of study at 48 weeks
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Study Design & Arms
AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposePREVENTION
Treatment Arms
ArmTypeDescription
JST-010: The active investigational productACTIVE_COMPARATOR -
JST-012 PlaceboPLACEBO_COMPARATOR -
Interventions
NameTypeDescription
Monoclonal antibody JST-010BIOLOGICALActive study drug
PlaceboDRUGPlacebo
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Eligibility Criteria
Age Range18 Years — 55 Years
SexALL
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: 1. Healthy men or women 18 to 55 years of age 2. BMI between 18 and 32 kg/m2 3. Negative serum pregnancy test 4. Use of highly effective birth control method(s) for a minimum of 60 days prior to consent and is willing to continue use for at least 12 months, or abstinence 5. In g...

Countries:United States
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Recent Changes (Last 90 Days)
MEDIUMMay 26, 2026NCT06943378Status: RECRUITING → ACTIVE_NOT_RECRUITING
LOWMay 24, 2026NCT06943378studyFirstPostDate: changed