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A Phase II Randomized, Double-Blind, Two-Period Cross-Over Study to Evaluate the Pharmacokinetics, Safety and Tolerability of a Liquid Formulation of Palizvizumab (MEDI-493, Synagis)

This study has been completed.
Sponsor:
ClinicalTrials.gov Identifier:
NCT00240929
First Posted: October 18, 2005
Last Update Posted: November 15, 2010
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
Information provided by:
MedImmune LLC
  Purpose
A total of 150 children who meet the entry criteria will be randomized 1:1 to receive one of the following treatment sequence A or B.

Condition Intervention Phase
-Unhealthy Children With a History of Prematurity Drug: MEDI-493 Phase 2

Study Type: Interventional
Study Design: Allocation: Randomized
Intervention Model: Crossover Assignment
Masking: Double (Participant, Investigator)
Primary Purpose: Treatment
Official Title: A Phase II Randomized, Double-Blind, Two-Period Cross-Over Study to Evaluate the Pharmacokinetics, Safety and Tolerability of a Liquid Formulation of Palizvizumab (MEDI-493, Synagis), A Humanized Respiratory Syncytial Virus Monoclonal Antibody, in Children With a History of Prematurity

Resource links provided by NLM:


Further study details as provided by MedImmune LLC:

Primary Outcome Measures:
  • adverse events through 30 days after each injection of study drug and will have blood collected for determination of palivizumab concentrations in serum. [ Time Frame: Day 30 ]

Secondary Outcome Measures:
  • Adverse events and serious adverse events for 30 days after each injection of study drug. [ Time Frame: Day 30 ]

Enrollment: 150
Study Start Date: September 2002
Study Completion Date: April 2003
Intervention Details:
    Drug: MEDI-493
    Active Comparator
    Other Name: Synagis
Detailed Description:
Phase II, Double-blind, two-period, cross-over study to be conducted at 20 sites the U.S. A total of 150 children who meet the entry criteria will be randomized 1:1 to receive one of the following treatment sequence: Sequence A (single dose of the liquid formulation on Study Day 0 and a single dose of the lyophilized formulation on Study Day 30) or Sequence B (single dose of the lyophized forumation on Study Day 0 and single dose of the liquid formulation on Study Day 30). Children will be followed for adverse events through 30 days after each injection of study drug and will have blood collected for determination of palivizumab concentrations in serum.
  Eligibility

Information from the National Library of Medicine

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Ages Eligible for Study:   5 Months to 6 Months   (Child)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • The child must have been born at greater than or equal to 35 weeks gestation and be greater than or equal to 6 months of age at the time of randomization (child must be randomized on or before their 6-month birthday)
  • The child's parent or legal guardian must provide written informed consent; and
  • The child must be able to complete the follow-up visits on Study Days 30 and 60 within the protocol specified windows (±2 days)
  • Parent/legal guardian of patient has available telephone access.

Exclusion Criteria:

  • Be hospitalized;
  • Birth hospitalization > 6 weeks duration;
  • Be receiving mechanical ventilation at the time of study entry (including CPAP);
  • Bronchopulmonary dysplasia (BPD), defined as history of prematurity and associated chronic lung disease with oxygen requirement for >28 days;
  • Congenital heart disease (CHD). (Children with medically or surgically corrected [closed] patent ductus arteriosus and no other CHD may be enrolled.)
  • Known renal impairment, hepatic dysfunction, chronic seizure disorder, or immunodeficiency;
  • Any of the following laboratory findings in blood obtained within 7 days prior to study entry:
  • BUN or creatinine >1.5´ the upper limit of normal for age
  • AST (SGOT) or ALT (SGPT) >1.5´ the upper limit of normal for age
  • hemoglobin <9.0 gm/dL
  • white blood cell count <4,000 cells/mm3
  • platelet count <110,000 cells/mm3
  • Acute illness or progressive clinical disorder;
  • History of recent difficult venous access;
  • Active infection, including acute RSV infection;
  • Previous reaction to IGIV, blood products, or other foreign proteins;
  • Received within the past 120 days or currently receiving IGIV, other immunoglobulin products, or any investigational agents;
  • Have ever received palivizumab;
  • Currently participating in any investigational study; or
  • Previously participated in any investigational study of RSV vaccines or monoclonal antibodies.
  Contacts and Locations
Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00240929


Locations
United States, California
Packard Children's Hospital at Stanford
Palo Alto, California, United States, 94304
Sponsors and Collaborators
MedImmune LLC
Investigators
Study Director: Genevieve Losonsky, M.D. "Unaffliliated"
  More Information

ClinicalTrials.gov Identifier: NCT00240929     History of Changes
Other Study ID Numbers: MI-CP097
First Submitted: October 14, 2005
First Posted: October 18, 2005
Last Update Posted: November 15, 2010
Last Verified: November 2010

Additional relevant MeSH terms:
Premature Birth
Obstetric Labor, Premature
Obstetric Labor Complications
Pregnancy Complications
Palivizumab
Antiviral Agents
Anti-Infective Agents