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JAG201

Phase 1

SHANK3 Haploinsufficiency | Gene therapy | Other |Jaguar Health, Inc.|Last Updated: Feb 9, 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
CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment6
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT06662188JAG201 Gene Therapy Study in Children & Adults With SHANK3 HaploinsufficiencyPHASE1 RECRUITING 6Jan 7, 2024Jun 1, 2031Feb 9, 20263 United States
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Study Endpoints
Primary Endpoints
Incidence of Adverse Events (AEs)
Enrollment to Month 60

Incidence, type, severity, and frequency of AEs

Incidence of Serious Adverse Events (SAEs)
Enrollment to Month 60

Incidence, type, severity, and frequency of SAEs

Clinically significant abnormalities in laboratory values
Enrollment to Month 60

Changes in clinically significant abnormalities in laboratory values

Incidence of immunogenicity response abnormalities
Enrollment to Month 60

Incidence of anti-AAV9 antibodies, anti-transgene antibodies, and T-cell reactivity to transgene over time

Secondary Endpoints
Change from Baseline in SAND
Enrollment to Month 60
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Study Design & Arms
AllocationNON_RANDOMIZED
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Pediatric Cohort 1EXPERIMENTALStarting Dose
Pediatric Cohort 2EXPERIMENTALEscalated Dose
Interventions
NameTypeDescription
JAG201GENETICAdeno-associated virus 2/9 expressing a miniature version of the human SHANK3 gene (AAV2/9-miniSHANK3)
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Eligibility Criteria
Age Range2 Years — 9 Years
SexALL
Healthy VolunteersNo
Study Sites3

Key Inclusion Criteria: 1. Is male or female, and 2 to 9 years of age at the time of JAG201 administration 2. Has a molecular confirmation of a loss of function mutation in SHANK3 or a 22q13.3 deletion classified as a Class I deletion 3. Has evidence of developmental/cognitive delay of at least 2 s...

Countries:United States
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Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT06662188primaryCompletionDate: changed
LOWMay 24, 2026NCT06662188studyFirstPostDate: changed