- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00121108
MEDI-524 (Motavizumab) for the Prevention of Respiratory Sycytial Virus (RSV) Disease Among Native American Indian Infants in the Southwestern United States
A Phase 3 Study of MEDI-524 (Motavizumab), an Enhanced Potency Humanized Respiratory Syncytial Virus (RSV) Monoclonal Antibody, for the Prevention of RSV Disease Among Native American Infants in the Southwestern United States
Study Overview
Detailed Description
MI-CP117 was a Phase 3, randomized, double-blind, placebo-controlled trial designed to determine if motavizumab is more effective than placebo in reducing RSV hospitalization in otherwise healthy Native American infants during their first RSV season.
Participants were randomized in a 2:1 ratio to receive either 15 mg/kg motavizumab or placebo by intramuscular (IM) injection every 30 days during the RSV season for a maximum of 5 injections.
During their first RSV season, participants were evaluated monthly just prior to each injection of study drug for adverse events (AEs) (including medically attended otitis media), with a final post-dosing follow up evaluation at Study Day 150. During Seasons 1, 2, and 3, blood was to be collected prior to the first and last dose of study drug for serum chemistry evaluations, motavizumab serum concentrations, and anti-motavizumab antibodies. Efficacy and safety outcomes were examined through Study Day 150 and wheezing outcomes were evaluated from the time of randomization until the third birthday.
Study Type
Enrollment (Actual)
Phase
- Phase 3
Contacts and Locations
Study Locations
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Arizona
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Chinle, Arizona, United States
- Research Site
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Cibecue, Arizona, United States
- Research Site
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Fort Definace, Arizona, United States
- Research Site
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San Carlos, Arizona, United States
- Research Site
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Tuba City, Arizona, United States
- Research Site
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Whiteriver, Arizona, United States
- Research Site
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Winslow, Arizona, United States
- Research Site
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Maryland
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Baltimore, Maryland, United States, 21205
- Research Site
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New Mexico
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Bloomfield, New Mexico, United States
- Research Site
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Crownpoint, New Mexico, United States
- Research Site
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Gallup, New Mexico, United States
- Research Site
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Shiprock, New Mexico, United States
- Research Site
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- 6 months of age or younger at randomization (child must be randomized on or before their 6-month birthday)
- Male or female Native American
- General state of good health
- Written informed consent obtained from the participant's parent(s) or legal guardian
Exclusion Criteria:
- Gestational age less than or equal to 35 weeks
- Chronic lung disease of prematurity
- A bleeding diathesis that would preclude IM injections
- Hospitalization at the time of randomization (unless discharge is anticipated within 10 days)
- Active RSV infection (a child with signs/symptoms of respiratory infection must have negative RSV testing) or known prior history of RSV infection
- A documented wheezing episode before enrollment
- Known renal impairment
- Known hepatic dysfunction
- Clinically significant congenital anomaly of the respiratory tract
- Chronic seizure or evolving or unstable neurologic disorder
- Congenital heart disease (CHD) (children with uncomplicated CHD [e.g., Patent ductus arteriosus, small septal defect] and children with complicated CHD who are currently anatomically and hemodynamically)
- Known immunodeficiency
- Mother with human immunodeficiency virus infection (unless the child has been proven to be not infected)
- Known allergy to Ig products
- Receipt of palivizumab, Respiratory syncytial virus immunoglobulin, intravenous (RSV-IGIV), or other RSV-specific monoclonal antibody, or any other polyclonal antibody (for example, hepatitis B immunoglobulin, IVIG) within 3 months prior to randomization
- Anticipated use of palivizumab or IVIG during the study (blood transfusions permitted)
- Previous receipt of RSV vaccines
- Participation in other investigational drug product studies
- Any medical or social condition which, in the opinion of the investigator, would adversely affect monitoring the infant
- Inability to complete the study follow-up period through up to 5 years of age
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Placebo Comparator: Placebo
Participants will receive IM dose of placebo matched to motavizumab every 30 days for a maximum of 5 injections (on Days 0, 30, 60, 90, and 120) during the the RSV season.
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Intramuscular dose of placebo matched to motavizumab will be administered every 30 days for a maximum of 5 injections (on Days 0, 30, 60, 90, and 120) during the the RSV season.
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Active Comparator: Motavizumab
Participants will receive IM dose of motavizumab 15 milligram/Kilogram (mg/kg) every 30 Days for a maximum of 5 injections (on Days 0, 30, 60, 90, and 120) during the RSV season.
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Intramuscular dose of motavizumab 15 mg/kg will be administered every 30 Days for a maximum of 5 injections (on Days 0, 30, 60, 90, and 120) during the RSV season.
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Number of Participants With Respiratory Syncytial Virus (RSV) Hospitalization
Time Frame: From study Day 0 through study Day 150
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An RSV hospitalization is defined as either 1) a respiratory hospitalization with a positive central real-time reverse transcription polymerase chain reaction (RT-PCR) RSV test collected within 3 days of hospitalization or 2) new onset of lower respiratory symptoms in an already hospitalized child, with an objective measure of worsening respiratory status and positive RSV test.
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From study Day 0 through study Day 150
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Number of Participants With Treatment-emergent Adverse Events (TEAEs) and Treatment-emergent Serious Adverse Events (TESAEs)
Time Frame: From study Day 0 through study Day 150
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An adverse event (AE) is any untoward medical occurrence in a participant who received study drug without regard to possibility of causal relationship.
Serious adverse event is any AE that resulted in death, life threatening, inpatient hospitalization or prolongation of existing hospitalization, persistent or significant disability or incapacity, is a congenital anomaly/birth defect in offspring of a study participant, is an important medical event that may jeopardize the participant or may require medical intervention.
The TEAEs are defined as events present at baseline that worsened in intensity after administration of study drug or events absent at baseline that emerged after administration of study drug.
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From study Day 0 through study Day 150
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Number of Participants With RSV Outpatient Medically Attended Lower Respiratory Illness (MA LRI)
Time Frame: From study Day 0 through study Day 150
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The RSV outpatient MA LRI was defined as an outpatient medically attended event designated as a lower respiratory illness with a positive RT-PCR RSV test.
An LRI event is one that has a medical diagnosis of bronchiolitis or pneumonia.
In the absence of such a medical diagnosis, the occurrence of LRI events was determined by the principal investigator after review of the medical record and considering the presence of cough, retractions, rhonchi, wheezing, crackles, or rales, associated with symptoms (by history or clinical findings) of coryza, fever, or apnoea.
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From study Day 0 through study Day 150
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Number of Participants With Medically Attended-Otitis Media (MA-OM) Events
Time Frame: From study Day 0 through study Day 150
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Otitis media (OM) was recorded as the diagnosis if the following terms were used by the medical care provider: acute OM, acute tympanic membrane (TM) perforation, bulging TM, red TM with fever, OM with effusion, or middle ear effusion.
A new episode was defined as a physician-diagnosed OM in either ear after a normal middle ear exam of the ear in question or an episode of acute OM greater than or equal to 21 days after resolution of the previous episode.
A diagnosis of persistent middle ear effusion was not recorded as a new OM event.
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From study Day 0 through study Day 150
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Number of Participants With Frequency of MA-OM Events
Time Frame: From study Day 0 through study Day 150
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Otitis media was recorded as the diagnosis if the following terms were used by the medical care provider: acute OM, acute TM perforation, bulging TM, red TM with fever, OM with effusion, or middle ear effusion.
A new episode was defined as a physician-diagnosed OM in either ear after a normal middle ear exam of the ear in question or an episode of acute OM greater than or equal to 21 days after resolution of the previous episode.
A diagnosis of persistent middle ear effusion was not recorded as a new OM event.
Number of participants with frequency of MA-OM events (either 0, 1, 2, 3, or greater than [>] 3) are reported.
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From study Day 0 through study Day 150
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Number of Participants With Medically Attended Wheezing Episodes
Time Frame: From first year through 3 years
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Wheezing events were included in the analysis of medically-attended wheezing, if the medical care provider documented wheezing in the medical record or records as a discharge diagnosis any of asthma, bronchiolitis, wheezing, or reactive airway disease.
A new wheezing episode was recorded as one that occurred >2 weeks after the diagnosis of the previous episode and the medical opinion was that the wheezing does not represent a persistence of the previous episode.
Number of participants with greater than or equal to (>=) 1 MA wheezing events and >= 3 MA wheezing events occurring from first through 3 years of age are reported.
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From first year through 3 years
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Number of Participants With Serious Early Childhood Wheezing Episodes
Time Frame: From first year through 3 years
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Serious early childhood wheezing (SECW) was defined as: three or more medically attended wheezing events over a 12 month period occurring any time from the first through the third birthday, or a need for one or more courses of systemic steroids for a treatment of a medically attended wheezing event from the first through the third birthday, or a need for asthma-controller medication over a 12 month period for at least 3 consecutive months (>= 90 days) or 5 cumulative months (>= 150 days) any time from the first through the third birthday, or at least one inpatient wheezing event from the first through the third birthday.
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From first year through 3 years
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Number of Participants With Frequency of Medically Attended Wheezing Events
Time Frame: Study Day 0 through 3 years
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Wheezing events were included in the analysis of medically-attended wheezing, if the medical care provider documented wheezing in the medical record or records as a discharge diagnosis any of asthma, bronchiolitis, wheezing, or reactive airway disease.
A new wheezing episode was recorded as one that occurred >2 weeks after the diagnosis of the previous episode and the medical opinion is that the wheezing does not represent a persistence of the previous episode.
Number of participants with frequency of MA wheezing events (either 0, 1, 2, 3, 4, or greater than or equal to [>=] 5) are reported.
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Study Day 0 through 3 years
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Mean Trough Serum Concentrations of Motavizumab
Time Frame: Day 0 (pre Dose 1) and Day 120 (Pre Dose 5)
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The mean trough serum concentrations of motavizumab are reported.
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Day 0 (pre Dose 1) and Day 120 (Pre Dose 5)
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Number of Participants With Positive Anti-Motavizumab Antibodies After Full Dose
Time Frame: Day 0 (Pre Dose 1) and Day 120 (Pre Dose 5)
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The number of participants with positive serum antidrug antibodies (ADAs) to motavizumab after full dose are reported.
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Day 0 (Pre Dose 1) and Day 120 (Pre Dose 5)
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Number of Participants With Positive Anti-Motavizumab Antibodies After Any Dose
Time Frame: Day 0 (Pre Dose 1) and Day 120 (Pre Dose 5)
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The number of participants with positive serum ADA to motavizumab after any dose are reported.
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Day 0 (Pre Dose 1) and Day 120 (Pre Dose 5)
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Collaborators and Investigators
Sponsor
Investigators
- Study Director: MedImmune, LLC MedImmune, LLC, MedImmune LLC
Publications and helpful links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Other Study ID Numbers
- MI-CP117
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
Qualified researchers can request access to anonymized individual patient-level data from AstraZeneca group of companies sponsored clinical trials via the request portal. All request will be evaluated as per the AZ disclosure commitment: https://astrazenecagrouptrials.pharmacm.com/ST/Submission/Disclosure.
Yes, indicates that AZ are accepting requests for IPD, but this does not mean all requests will be shared.
IPD Sharing Time Frame
IPD Sharing Access Criteria
IPD Sharing Supporting Information Type
- Study Protocol
- Statistical Analysis Plan (SAP)
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