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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT00641017
Other study ID # CIR 248
Secondary ID
Status Completed
Phase Phase 1
First received March 5, 2008
Last updated February 22, 2013
Start date March 2008
Est. completion date July 2012

Study information

Verified date February 2013
Source National Institute of Allergy and Infectious Diseases (NIAID)
Contact n/a
Is FDA regulated No
Health authority United States: Food and Drug Administration
Study type Interventional

Clinical Trial Summary

Human Parainfluenza Virus Type 1 (HPIV1) is a leading cause of viral respiratory infections in children, the elderly, and those with compromised immune systems. HPIV1 is also the leading cause of viral croup in children under 6 years old. The purpose of this study is to determine the safety of and immune response to a HPIV1 vaccine, rHPIVI1 84/del170/942A, in 2 groups of adults and then in children who have been previously exposed to HPIV1. Once the safety of this vaccine has been established in these groups, an additional 2 groups of infants and children who have not been previously exposed to HPIV1 will be vaccinated. Naïve infants and children are the most vulnerable to naturally circulating HPIV1 and are the target population of this vaccine.


Description:

HPIV1 infection can result in severe respiratory illness that often leads to the hospitalization of infants and young children. HPIV1 is responsible for approximately 6% of all pediatric hospitalizations for respiratory tract diseases and is a main cause of severe lower respiratory tract diseases, including pneumonia and bronchiolitis in children less than 6 years old. The purpose of this study is to determine the safety of and immune response to a HPIV1 vaccine, rHPIVI1 84/del170/942A, in 5 main volunteer group: first in adults (group 1 and 2), and then in seropositive children (group 3). The last 2 groups will be seronegative infants and children that are split into 2 dosing groups; one group of seronegative infants and children will receive a lower dose of vaccine (group 4) and a second group of seronegative infants and children (group 5) will receive a higher dose of vaccine. This study will last approximately 8 weeks per group. Additional information about each of the groups is as follows:

Groups 1 and 2 will consist of 35 adults total, 18 to 49 years of age. These groups will receive one immunization with rHPIV1 84/del170/942A at study entry. Immunization will be given as nose drops. Study visits will occur on Days 3, 4, 5, 6, 7, 10, and 28. Medical history, vital signs, clinical assessment, and nasal wash will occur at most visits. Blood and urine tests will occur at selected visits. A urine pregnancy test will occur for females at study entry. Follow-up phone reports will also be required on Day 56.

Enrollment into Group 3 will begin only after safety data from Groups 1 and 2 are evaluated. Group 3 will consist of 15 seropositive children, 15 to 59 months of age. This group will receive either one immunization of rHPIV1 84/del170/942A or placebo at study entry. Immunization will be given as nose drops. Study visits will occur on Days 3, 4, 5, 6, 7, 10, and 28. Medical history, vital signs, clinical assessment, and nasal wash will occur at most visits. Blood and urine tests will occur at selected visits. Parents will be required to submit reports over the phone throughout the study. These reports will include the temporal temperature from the previous day.

Enrollment into Group 4 will begin only after safety data from Group 3 are evaluated. Group 4 will consist of 21-30 seronegative infants and children, 6 to 59 months of age. This group will receive either one immunization of rHPIV1 84/del170/942A or placebo at study entry. Immunization will be given as nose drops. Study visits will occur on Days 3, 5, 7, 10, 12, 14, 17, 19, 21, 28, and 56. Medical history, vital signs, clinical assessment, and nasal wash will occur at most visits. Blood tests will occur at selected visits. Parents will be required to submit reports over the phone throughout the study. These reports will include the temporal temperature from the previous day.

Enrollment into Group 5 will begin only after safety data from Group 4 are evaluated. Group 5 will consist of 21-30 seronegative infants and children 6 to 59 months of age. This group will receive either one immunization of rHPIV1 84/del170/942A or placebo at study entry. The immunization will be given as nose drops. The vaccine dosage that participants receive in Group 5 will be greater than the dose in Group 4. Study visits will occur on Days 3, 5, 7, 10, 12, 14, 17, 19, 21, 28, and 56. Medical history, vital signs, clinical assessment, and nasal wash will occur at most visits. Blood tests will occur at selected visits. Parents will be required to submit reports over the phone throughout the study. These reports will include the temporal temperature from the previous day.


Recruitment information / eligibility

Status Completed
Enrollment 87
Est. completion date July 2012
Est. primary completion date July 2012
Accepts healthy volunteers Accepts Healthy Volunteers
Gender Both
Age group 6 Months to 49 Years
Eligibility Adult Inclusion Criteria:

- In good health

- Available for the duration of the trial

- Available for post-inoculation telephone contact

- For females, must agree to use effective birth control methods for the duration of the study

Seropositive Children Inclusion Criteria:

- In good health

- Seropositive for HPIV1

- Available for the duration of the study

Seronegative Infants and Children Inclusion Criteria:

- In good health

- Seronegative for HPIV1 antibody

- Available for the duration of the study

Adult Exclusion Criteria:

- Neurologic, cardiac, pulmonary, hepatic, rheumatologic, autoimmune, or renal disease

- Condition, in the opinion of the investigator, that will not allow the participant to comply with the protocol

- Alcohol or drug abuse

- History of anaphylaxis

- History of splenectomy

- Diagnosis of asthma within 2 years of study entry

- HIV-infected

- Hepatitis C infection

- Hepatitis B infection

- Abnormal urinalysis

- Known immunodeficiency syndrome

- Current use of nasal or systemic steroid medications

- Receipt of blood products within 3 months of study entry

- Current smoker unwilling to stop smoking for the duration of the study. The decision to exclude a potential subject is made by the investigator based upon the potential subject's medical history and physical examination.

- Participation in another investigational vaccine or drug trial within 30 days of receiving the investigational vaccine

- Receipt of live vaccine within 4 weeks or a killed vaccine within 2 weeks or immune globin within 3 months prior to receiving the investigational vaccine

- Previous immunization with an HPIV1 vaccine

- Known hypersensitivity to any vaccine component

- Participants whose profession and/or personal responsibilities involve caring for children less than 6 months of age or for immunosuppressed individuals

- Persistent systolic blood pressure more than 140 mm Hg or diastolic pressure more than 90 mm Hg

- Body mass index (BMI) more than 35

- Pregnant or breastfeeding

Seropositive and Seronegative Infants and Children Exclusion Criteria:

- Known or suspected impairment of immunological functions as determined by the investigator

- Major congenital malformations, including congenital cleft palate, cytogenetic abnormalities, or serious chronic disorders

- Previous immunization with HPIV1 vaccine

- Current use of nasal or systemic steroid medications

- Previous serious vaccine-associated adverse event or anaphylactic reaction

- Known hypersensitivity to any vaccine component

- Lung or heart disease, including reactive airway disease as determined by the investigator

- Member of household that includes an immunocompromised individual or infant less than 6 months of age

- Attends day care with infants less than 6 months of age or immunosuppressed individuals. More information about this criterion can be found in the protocol.

- Participation in another investigational vaccine or drug trial within 30 days of receiving the investigational vaccine or while study is occurring

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator), Primary Purpose: Prevention


Related Conditions & MeSH terms


Intervention

Biological:
rHPIV1 84/del170/942A, Lot PIV1 #104A vaccine
Live attenuated Human Parainfluenza Type 1 Virus Vaccine
Placebo
Placebo for rHPIVI1 84/del170/942A, Lot PIV1 #104A vaccine

Locations

Country Name City State
United States Center for Immunization Research (CIR), Johns Hopkins Bloomberg School of Public Health Baltimore Maryland

Sponsors (2)

Lead Sponsor Collaborator
National Institute of Allergy and Infectious Diseases (NIAID) Johns Hopkins Bloomberg School of Public Health

Country where clinical trial is conducted

United States, 

References & Publications (2)

Bartlett EJ, Amaro-Carambot E, Surman SR, Collins PL, Murphy BR, Skiadopoulos MH. Introducing point and deletion mutations into the P/C gene of human parainfluenza virus type 1 (HPIV1) by reverse genetics generates attenuated and efficacious vaccine candidates. Vaccine. 2006 Mar 24;24(14):2674-84. Epub 2005 Nov 15. — View Citation

Bartlett EJ, Castaño A, Surman SR, Collins PL, Skiadopoulos MH, Murphy BR. Attenuation and efficacy of human parainfluenza virus type 1 (HPIV1) vaccine candidates containing stabilized mutations in the P/C and L genes. Virol J. 2007 Jul 2;4:67. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Frequency of vaccine-related reaction events and other adverse events in each cohort Throughout study Yes
Primary Amount of vaccine virus shed by each participant Throughout study No
Primary Amount of serum antibody and mucosal antibody induced by the vaccine in each participant Throughout study No
Secondary Phenotypic stability of vaccine virus shed Throughout study No
Secondary Number of vaccinated children and infants infected with rHPIV1 Throughout study No
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