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RP-L301

Phase 1

Pyruvate Kinase Deficiency | Monoclonal antibody | Other |Rocket Pharmaceuticals, Inc.|Last Updated: Sep 5, 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
UNCONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment4
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT04105166Gene Therapy for Pyruvate Kinase Deficiency (PKD)PHASE1 COMPLETED 4Jul 6, 2020Jun 9, 2025Sep 5, 20253 United States, Spain
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Study Endpoints
Primary Endpoints
Evaluation of the safety and toxicity of RP-L301: number of participants with treatment-related adverse events
2 years

The number of participants with treatment-related adverse events as assessed by United States (US) National Cancer Institute (NCI) v.5.0.

Secondary Endpoints
Genetic correction following administration of RP-L301
2 years
Transfusion independence
1 year
Reduction in transfusion requirements
1 year
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Study Design & Arms
AllocationNA
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
RP-L301EXPERIMENTALRP-L301 is a gene therapy product containing autologous genetically modified CD34+ hematopoietic stem cells containing the corrected PKD gene
Interventions
NameTypeDescription
RP-L301BIOLOGICALAutologous genetically modified CD34+ hematopoietic stem cells containing the corrected PKD gene
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Eligibility Criteria
Age Range8 Years — 50 Years
SexALL
Healthy VolunteersNo
Study Sites3

Inclusion Criteria: * PKD diagnosis with a confirmed PKLR mutation. * Adult Cohort ≥18 years old and \<50 years for the initial 2 patients enrolled; Pediatric Cohort ≥8-17 years for the next 2-3 patients. * History of severe, transfusion-dependent anemia, defined as: 1. At least 6 red blood cell...

Countries:United StatesSpain
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