A Study to Explore the Existence of Horizontal Transmission of the RIX4414 Vaccine Strain Between Twins Within a Family.
A Phase IIIb, Randomized, Double-Blind, Placebo-Controlled Study to Explore the Existence of Horizontal Transmission of the RIX4414 Vaccine Strain Between Twins Within a Family.
1 other identifier
interventional
200
1 country
1
Brief Summary
The aim of this study is to explore horizontal transmission of the HRV (Human Rotavirus) vaccine strain within a family from the twin vaccinated with Rotarix to the twin receiving placebo. The Protocol Posting has been updated in order to comply with the FDA Amendment Act, Sep 2007.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for phase_3
Started Jan 2007
Shorter than P25 for phase_3
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
November 6, 2006
CompletedFirst Posted
Study publicly available on registry
November 7, 2006
CompletedStudy Start
First participant enrolled
January 23, 2007
CompletedPrimary Completion
Last participant's last visit for primary outcome
January 23, 2008
CompletedStudy Completion
Last participant's last visit for all outcomes
February 13, 2008
CompletedResults Posted
Study results publicly available
March 13, 2009
CompletedFebruary 6, 2018
November 1, 2017
1 year
November 6, 2006
February 13, 2009
January 9, 2018
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Presence of Rotavirus Vaccine Strain in Any Stool Sample From Twin Receiving Placebo.
Number of subjects in the Placebo Group with rotavirus vaccine strain in at least one stool sample.
On the day of each vaccine/placebo dose, then three times weekly for 6 consecutive weeks starting after each vaccine/placebo dose and on the day of Visit 3.
Secondary Outcomes (8)
Duration of Human Rotavirus (HRV) Shedding Per Study Group.
From Day 0 up to Week 13.
Number of Genetic Variation Differences Detected by Sequencing of Genomic Mutations in the HRV Vaccine Strain After Transmission.
During the entire study period (up to Visit 4, Week 17).
Live Viral Vaccine Load in the Stool of the Twin Receiving Placebo in Case of Transmission.
During the entire study period (up to Visit 4, Week 17).
Anti-rotavirus Immunoglobulin A (IgA) Antibody Seroconversion.
At Visit 3 (Week 13).
Anti-rotavirus IgA Antibody Concentration.
At Visit 3 (Week 13).
- +3 more secondary outcomes
Study Arms (2)
Rotarix Group
EXPERIMENTALAll subjects received 2 oral doses of Rotarix vaccine at Day 0 (Visit 1) and Week 7 (Visit 2). Subjects aged less than 6 months at Visit 3 received one complimentary Rotarix vaccine dose at Week 13 (Visit 3).
Placebo Group
PLACEBO COMPARATORAll subjects received 2 oral doses of placebo at Day 0 (Visit 1) and Week 7 (Visit 2). Subjects aged less than 6 months at Visit 3 received one complimentary Rotarix vaccine dose at Week 13 (Visit 3).
Interventions
Eligibility Criteria
You may qualify if:
- Subjects with a live twin living in the same household who is also enrolled in this study.
- Born after a gestation period of ≥32 weeks,
- Discharged from hospital neonatal care stay,
- Subjects who the investigator believes that their parents/guardians can and will comply with the requirements of the protocol should be enrolled in the study.
- A male or female between, and including, 6 and 14 weeks of age at the time of the first study vaccination.
- Healthy subjects as established by medical history and clinical examination before entering into the study.
- Written informed consent obtained from the parent or guardian of the subjects.
You may not qualify if:
- Use of any investigational or non-registered product (drug or vaccine) other than the study vaccine(s) within 30 days preceding the first dose of study vaccine, or planned use during the study period.
- Any confirmed or suspected immunosuppressive or immunodeficient condition, based on medical history and physical examination (no laboratory testing required).
- Any clinically significant history of chronic gastrointestinal disease.
- History of allergic disease or reactions likely to be exacerbated by any component of the vaccine.
- Acute disease at time of enrolment.
- Administration of immunoglobulins and/or any blood products since birth or planned administration during the study period.
- Contact with an immunosuppressed individual.
- Concurrently participating in another clinical study, at any time during the study period, in which the subject has been or will be exposed to an investigational or a non-investigational product (pharmaceutical product or device).
- Chronic administration of immunosuppressants since birth.
- Gastroenteritis within 7 days preceding the first study vaccine administration.
- Documented HIV-positive subject.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- GlaxoSmithKlinelead
Study Sites (1)
GSK Investigational Site
Santo Domingo, Dominican Republic
Related Publications (1)
Rivera L, Pena LM, Stainier I, Gillard P, Cheuvart B, Smolenov I, Ortega-Barria E, Han HH. Horizontal transmission of a human rotavirus vaccine strain--a randomized, placebo-controlled study in twins. Vaccine. 2011 Nov 28;29(51):9508-13. doi: 10.1016/j.vaccine.2011.10.015. Epub 2011 Oct 18.
PMID: 22008819BACKGROUND
Related Links
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Results Point of Contact
- Title
- GSK Response Center
- Organization
- GlaxoSmithKline
Study Officials
- STUDY DIRECTOR
GSK Clinical Trials
GlaxoSmithKline
Publication Agreements
- PI is Sponsor Employee
- No
- Restriction Type
- OTHER
- Restrictive Agreement
- Yes
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- RANDOMIZED
- Masking
- TRIPLE
- Who Masked
- PARTICIPANT, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- PREVENTION
- Intervention Model
- PARALLEL
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
November 6, 2006
First Posted
November 7, 2006
Study Start
January 23, 2007
Primary Completion
January 23, 2008
Study Completion
February 13, 2008
Last Updated
February 6, 2018
Results First Posted
March 13, 2009
Record last verified: 2017-11
Data Sharing
- IPD Sharing
- Will share
Patient-level data for this study will be made available through www.clinicalstudydatarequest.com following the timelines and process described on this site.