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C1 esterase inhibitor liquid

Phase 3

Hereditary Angioedema (HAE) | Small molecule | Other |Takeda Pharmaceutical Company Limited|Last Updated: Jun 8, 2021

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-BlindCONTROLLED
Total Trials1
Total Enrollment75
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT02584959Study to Evaluate the Clinical Efficacy and Safety of Subcutaneously Administered C1 Esterase Inhibitor for the Prevention of Angioedema Attacks in Adolescents and Adults With Hereditary AngioedemaPHASE3 COMPLETED 75Nov 1, 2015Jul 24, 2017Jun 8, 202127 United States, Canada +5
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Study Endpoints
Primary Endpoints
Time-Normalized Number of Attacks (NNA) for Participants During a Treatment Period
Weeks 1 to 14 for treatment period 1 and 2

The angioedema attacks were recorded in the electronic patient diary. The investigator completed a separate angioedema eCRF for each attack based on the review of the patients diary. Time-normalized number of angioedema attacks was expressed as the number of attacks per month (ie, 30.4 days) of exposure. NNA=30.4 \* (number of attacks during treatment period) / (days of treatment period).

Secondary Endpoints
Proportion of Participants Meeting at Least a 50% Reduction in NNA (Normalized Number of Angioedema Attacks) During the Experimental Injection Treatment Period Relative to the Placebo Period.
Weeks 1 to 14 for treatment period 1 and 2
Time-Normalized Number of Attacks (NNA) for Participants During Each Treatment Period Excluding the First 2 Weeks.
Weeks 3 to 14 for treatment period 1 and 2
Proportion of Participants Meeting at Least a 50% Reduction in NNA (Normalized Number of Angioedema Attacks) During the Experimental Injection Treatment Period Relative to the Placebo Period Excluding the First 2 Weeks of Each Treatment Period.
Weeks 3 to 14 for treatment period 1 and 2
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Study Design & Arms
AllocationRANDOMIZED
MaskingDOUBLE
ModelCROSSOVER
PurposePREVENTION
Treatment Arms
ArmTypeDescription
Experimental/PlaceboEXPERIMENTALSubjects will be randomized to receive C1 Esterase Inhibitor in the 1st Treatment period and then switch to Placebo in the 2nd treatment period.
Placebo/ExperimentalEXPERIMENTALSubjects will be randomized to receive a placebo treatment in the 1st Treatment period and then switch to receive C1 Esterase Inhibitor in the 2nd treatment period.
Experimental/ ExperimentalEXPERIMENTALSubjects will be randomized and receive C1 Esterase Inhibitor in both 1st as well as the 2nd treatment period
Interventions
NameTypeDescription
C1 esterase inhibitor [human] liquidDRUGC1 Esterase Inhibitor \[Human\] Liquid administered Subcutaneously as specified on specified days
PlaceboDRUGPlacebo
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Eligibility Criteria
Age Range12 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites27

The maximum duration of participation is approximately 9 months. Patients will complete a screening period of up to 21 days. Following screening, eligible patients will be randomly assigned to 1 of 3 treatment sequences. Each patient will undergo 2 14-week treatment periods for a total of 28 weeks (...

Countries:United StatesCanadaGermanyHungaryIsraelRomaniaSpain
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