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MEDI-534

Phase 1

Respiratory Viral Infections | Monoclonal antibody | Infectious Disease |AstraZeneca PLC|Last Updated: Jul 19, 2012

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-BlindACTIVE_CONTROLLEDDMC
Total Trials1
Total Enrollment49
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT00493285Safety and Tolerability Study to Evaluate MEDI-534 in Children 6 to < 24 Months of AgePHASE1 COMPLETED 49Jul 1, 2007Apr 1, 2010Jul 19, 201230 United States
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Study Endpoints
Primary Endpoints
Number of Participants With Solicited Adverse Events (SEs) After Dose 1
Days 0-28 after Dose 1 (Dose 1 was on Day 0)

The SEs for this study included fever ≥ 100.4°F, runny/stuffy nose, cough, drowsiness, loss of appetite/decreased urine output, irritability/fussiness, laryngitis, and epistaxis.

Number of Participants With SEs After Dose 2
Days 0-28 after Dose 2 (Dose 2 was on Day 48-64)

The SEs for this study included fever ≥ 100.4°F, runny/stuffy nose, cough, drowsiness, loss of appetite/decreased urine output, irritability/fussiness, laryngitis, and epistaxis.

Number of Participants With SEs After Dose 3
Days 0-28 after Dose 3 (Dose 3 was 48-64 days after Dose 2)

The SEs for this study included fever ≥ 100.4°F, runny/stuffy nose, cough, drowsiness, loss of appetite/decreased urine output, irritability/fussiness, laryngitis, and epistaxis.

Number of Participants With Adverse Events (AEs) After Dose 1
Days 0-28 after Dose 1 (Dose 1 was on Day 0)

Unsolicited AEs reported by 1 or more participants in either treatment group through 28 days post Dose 1.

Number of Participants With AEs After Dose 2
Days 0-28 after Dose 2 (Dose 2 was on Day 48-64)

Unsolicited AEs reported by 1 or more participants in either treatment group through 28 days post Dose 2.

Number of Participants With AEs After Dose 3
Days 0-28 after Dose 3 (Dose 3 was 48-64 days after Dose 2)

Unsolicited AEs reported by 1 or more participants in either treatment group through 28 days post Dose 3.

Number of Subjects With Medically-attended Lower Respiratory Illnesses (MA-LRIs)
Days 0 to 180 days after final dose or the end of the RSV season, whichever was later

An MA-LRI was a healthcare provider-confirmed diagnosis of 1 or more of the following: wheezing, pneumonia, croup, rhonchi (not cleared with cough or suctioning), rales, bronchitis, bronchiolitis, apnea.

Number of Participants With Serious Adverse Events (SAEs)
Days 0-28 after any dose

Events resulting in death; were life-threatening; resulted in inpatient hospitalization/prolongation of hospitalization; resulted in persistent or significant disability or incapacity; were a congenital anomaly/birth defect in the offspring of a participant; or were an important medical event that may not have resulted in death, threatened life, or required hospitalization and may have jeopardized the participant and required medical/surgical intervention to prevent one of the above outcomes.

Number of Participants With Significant New Medical Conditions (SNMCs)
Day 0 through 180 days after the final dose or through the end of the RSV season, whichever was later

A SNMC is a newly diagnosed medical condition that is of a chronic, ongoing nature and is assessed by the investigator as medically significant.

Secondary Endpoints
Number of Participants Shedding Vaccine-like Virus at Any Time During Study Participation
Days 7, 12, and 28 after each dose and during visits for pre-specified illness symptoms occurring Day 0 through 28-34 days post each dose.
Number of Participants Shedding Vaccine-like Virus at 7 Days After Dose 1
Days 7-10 after Dose 1 (Dose 1 was on Day 0)
Number of Participants Shedding Vaccine-like Virus at 12 Days After Dose 1
Days 12-18 after Dose 1 (Dose 1 was on Day 0)
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Study Design & Arms
AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposePREVENTION
Treatment Arms
ArmTypeDescription
1ACTIVE_COMPARATORMEDI-534 at 10\^4 TCID50 at 0, 2, and 4 months (Nasal spray)
2ACTIVE_COMPARATORMEDI-534 at 10\^5 TCID50 at 0, 2, and 4 months (Nasal Spray)
3ACTIVE_COMPARATORMEDI-534 at 10\^6 TCID50 at 0, 2, and 4 months (Nasal Spray)
Interventions
NameTypeDescription
MEDI-534BIOLOGICALMultiple doses of MEDI-534 or Placebo at 10\^4 TCID50
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Eligibility Criteria
Age Range6 Months — 23 Months
SexALL
Healthy VolunteersYes
Study Sites30

Inclusion Criteria: * Male or female whose age on the day of randomization is 6 to \<24 months (reached 6th month birthday and not yet reached 2nd year birthday) * Subject is seronegative to both RSV and PIV3 at screening * Subject was the product of normal full term pregnancy (defined as \>36 week...

Countries:United States
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