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REGN5713-5714-5715

Phase 1

Healthy Volunteers | Small molecule | Other |Regeneron Pharmaceuticals, Inc.|Last Updated: Apr 28, 2020

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-BlindCONTROLLEDBiomarker
Total Trials1
Total Enrollment96
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT03969849Study to Assess the Safety, Tolerability, Pharmacokinetic, and Pharmacodynamic Effects of a Single Dose of REGN5713-5714-5715 in Healthy Adult ParticipantsPHASE1 COMPLETED 96Jun 3, 2019Mar 27, 2020Apr 28, 20203 Belgium
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Study Endpoints
Primary Endpoints
Incidence and severity of treatment-emergent adverse events (TEAEs)
Up to 16 Weeks
The number of participants with abnormal adverse events (AEs)
Up to 16 Weeks
The number of participants with abnormal vital signs
Up to 16 Weeks

Vital signs include blood pressure, heart rate, body temperature, and respiratory rate

The number of participants with abnormal 12-lead electrocardiograms (ECGs)
Up to 16 Weeks
The number or participants with abnormal physical examinations
Up to 16 Weeks

The limited physical examination will include assessment of heart, lungs, abdomen, peripheral pulses, and skin

The number of abnormal laboratory examination
Up to 16 Weeks

Hematology, chemistry, urinalysis and pregnancy testing samples will be analyzed

Part B only - The number of participants with abnormal lung function using spirometry - forced vital capacity (FVC) litres (L)
Up to 16 Weeks

Spirometry will be measured only in participants with a history of asthma prior to the NAC procedure. FVC is the total amount of air exhaled during the forced expiratory volume (FEV) test

Part B only - The number of participants with abnormal lung function using spirometry - forced expiratory volume in 1 second (FEV1)
Up to 16 Weeks

Spirometry will be measured only in participants with a history of asthma prior to the NAC procedure. FEV in 1 second (FEV1) must be ≥80% predicted to perform the NAC. FEV1 is the amount of air which can be forcibly exhaled from the lungs in the first second of a forced exhalation

Part B only - The number of participants with abnormal lung function using spirometry - FEV1/FVC (%)
Up to 16 Weeks

Spirometry will be measured only in participants with a history of asthma prior to the NAC procedure. FEV1 must be ≥80% predicted to perform the NAC.

Part B only - The number of participants with abnormal lung function using spirometry - peak expiratory flow (PEF) Litre/second (L/s)
Up to 16 Weeks

Spirometry will be measured only in participants with a history of asthma prior to the NAC procedure. PEF is the maximum speed of expiration.

Part B only - The number of participants with abnormal lung function using spirometry - forced expiratory flow 25 to 75 (L/s)
Up to 16 Weeks

Spirometry will be measured only in participants with a history of asthma prior to the NAC procedure. Forced expiratory flow during the mid (25 - 75%) portion of the FVC.

Part B only - The number of participants with poorly controlled asthma using asthma control test (ACT)
Up to 16 Weeks

Performed prior to every NAC procedure in all participants. A multiple-choice questionnaire for patients with asthma, each choice is assigned a score 1-5. There are 5 questions to answer. The total score is calculated, ranging between 5 and 25. Lower scores indicate worse asthma control. Participants must have ACT ≥20 before undergoing the NAC.

Secondary Endpoints
Total concentration of REGN5713 in serum over time
Up to 16 Weeks
Total concentration of REGN5714 in serum over time
Up to 16 Weeks
Total concentration of REGN5715 in serum over time
Up to 16 Weeks
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Study Design & Arms
AllocationRANDOMIZED
MaskingQUADRUPLE
ModelSEQUENTIAL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Part A: Cohort 1EXPERIMENTALPart A: Cohort 1 randomized 3:1 will receive REGN5713-5714-5715 or matching placebo
Part A: Cohort 2EXPERIMENTALPart A: Cohort 2 randomized 3:1 will receive REGN5713-5714-5715 or matching placebo
Part A: Cohort 3EXPERIMENTALPart A: Cohort 3 randomized 3:1 will receive REGN5713-5714-5715 or matching placebo
Part A: Cohort 4EXPERIMENTALPart A: Cohort 4 randomized 3:1 will receive REGN5713-5714-5715 or matching placebo
Part BEXPERIMENTALPart B: Randomized 1:1 will receive REGN5713-5714-5715 or matching placebo in Healthy Participants with birch pollen allergy
Interventions
NameTypeDescription
REGN5713-5714-5715DRUGPart A: Cohort 1 - 3: Single sequential ascending subcutaneous (SC) dose Part A: Cohort 4: Single intravenous (IV) dose Part B: Single SC dose
Matching placeboDRUGPart A: Cohort 1 - 3: Single sequential ascending subcutaneous (SC) dose Part A: Cohort 4: Single intravenous (IV) dose Part B: Single SC dose
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Eligibility Criteria
Age Range18 Years — 60 Years
SexALL
Healthy VolunteersYes
Study Sites3

Key Inclusion Criteria: * Participant is judged by the investigator to be in good health based on medical history, physical examination, vital sign measurements, and ECG performed prior to study drug dosing * Participant is in good health based on laboratory safety testing obtained at the screening...

Countries:Belgium
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