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Rotavirus Efficacy and Safety Trial (REST)(V260-006)

This study has been completed.
Sponsor:
ClinicalTrials.gov Identifier:
NCT00090233
First Posted: August 27, 2004
Last Update Posted: October 5, 2015
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 (Responsible Party):
Merck Sharp & Dohme Corp.
Results First Submitted: June 29, 2009  
Study Type: Interventional
Study Design: Allocation: Randomized;   Intervention Model: Single Group Assignment;   Masking: Double (Participant, Investigator);   Primary Purpose: Prevention
Condition: Rotavirus Infections
Interventions: Biological: Rotateq™
Biological: Comparator: Placebo

  Participant Flow
  Hide Participant Flow

Recruitment Details
Key information relevant to the recruitment process for the overall study, such as dates of the recruitment period and locations
Participants were recruited at 356 sites in Belgium, Costa Rica, Finland, Germany, Guatemala, Italy, Jamaica, Mexico, Puerto Rico, Sweden, Taiwan, and the United States from 12 Jan 2001 first patient in (FPI) to 06 Oct 2004 last patient in (LPI).

Pre-Assignment Details
Significant events and approaches for the overall study following participant enrollment, but prior to group assignment

Participants with: history of congenital abdominal disorders, intussusception, or abdominal surgery; history of

known prior rotavirus disease, chronic diarrhea, or failure to thrive were excluded from the trial before

assignment to groups.


Reporting Groups
  Description
RotaTeq™ Three oral doses (~6.5x10^7 to ~1.2x10^8 IU/dose) of RotaTeq™ (rotavirus vaccine, live, oral, pentavalent) administered at 3 separate visits scheduled 4 to 10 weeks (28 to 70 days) apart with up to 42 days of safety follow-up after each vaccination, and follow-up for acute gastrointestinal episodes (AGEs) through the first rotavirus season postvaccination. The rotavirus season for each site was prospectively determined using historical epidemiologic data.
Placebo Placebo matching RotaTeq™ administered at 3 separate visits scheduled 4 to 10 weeks (28 to 70 days) apart with up to 42 days of safety follow-up after each vaccination, and follow-up for acute gastrointestinal episodes (AGEs) through the first rotavirus season postvaccination. The rotavirus season for each site was prospectively determined using historical epidemiologic data.

Participant Flow:   Overall Study
    RotaTeq™   Placebo
STARTED   34644 [1]   34630 [2] 
Vaccinated at Visit 1   34035 [3]   34003 [4] 
Vaccinated at Visit 2   31052   31066 
Vaccinated at Visit 3   29667   29598 
COMPLETED   29645 [5]   29565 [5] 
NOT COMPLETED   4999   5065 
Randomized Not Vaccinated (Visit 1)                609                627 
Adverse Event                214                198 
Lost to Follow-up                68                95 
Protocol Violation                960                1022 
Withdrawal by Subject                182                211 
Moved                203                189 
Not Specified                1211                1160 
Data not available at data cut-off point                1552                1563 
[1] Evaluated by data safety monitoring board (DSMB) when they recommended stopping enrollment
[2] Evaluated by data safety monitoring board when they recommended stopping enrollment
[3] Randomized Not vaccinated 609
[4] Randomized Not vaccinated 627
[5] Does not include participants who discontinued prior to the 42 day safety follow-up



  Baseline Characteristics


  Outcome Measures
  Show All Outcome Measures

1.  Primary:   Intussusception Within 42 Days Following Any Dose of RotaTeq™/Placebo   [ Time Frame: Within 42 days following any dose of RotaTeq™/placebo ]

2.  Primary:   Occurrence of Rotavirus Disease Caused by Serotypes G1, G2, G3 and G4 That Occurs 14 Days Following the 3rd Vaccination   [ Time Frame: At least 14 days following the 3rd vaccination through the first full rotavirus season ]

3.  Secondary:   G1 Serum Neutralizing Antibody (SNA) Responses Against Rotavirus   [ Time Frame: 14 days following the 3rd vaccination ]

4.  Secondary:   Occurrence of Hospital Admissions and Visits to Emergency Departments (or the Equivalent at International Sites) for Rotavirus Disease Associated With Serotypes G1, G2, G3, or G4   [ Time Frame: At least 14 days following the 3rd vaccination ]

5.  Secondary:   Efficacy of a 3-dose Regimen of RotaTeq™ Against Moderate-to-severe Rotavirus Disease (Clinical Score >8) Caused by Serotypes G1, G2, G3, and G4 Occurring at Least 14 Days Following the Third Dose.   [ Time Frame: At least 14 days following the 3rd vaccination through the first rotavirus season ]

6.  Secondary:   Efficacy of a 3-dose Regimen of RotaTeq™ Against Severe Rotavirus Disease (Clinical Score > 16) Caused by Serotypes G1, G2, G3, and G4 Occurring at Least 14 Days Following the Third Dose   [ Time Frame: At least 14 days following the 3rd vaccination through the first rotavirus season ]

7.  Secondary:   Seroprotection/Seroconversion for Hepatitis B, Haemophilus Influenzae Type b, Diphtheria, Tetanus, & Polio Types 1,2,& 3 Who Received COMVAX™, INFANRIX™, IPOL™ & PREVNAR™ Concomitantly With RotaTeq™ Versus Placebo   [ Time Frame: 42 days following third dose ]

8.  Secondary:   Geometric Mean Antibody Titer(s) (GMT) to Pertussis Toxin (PT), Pertussis Filamentous Haemagglutinin (FHA), and Pertussis Pertactin   [ Time Frame: 42 days following third dose ]

9.  Secondary:   Geometric Mean Antibody Titer(s) (GMT) to Pneumococcal Serotypes 4, 6B, 9V, 14, 18C, 19F, and 23F   [ Time Frame: 42 days following third dose ]


  Serious Adverse Events


  Other Adverse Events


  Limitations and Caveats
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Limitations of the study, such as early termination leading to small numbers of participants analyzed and technical problems with measurement leading to unreliable or uninterpretable data
70,301 participants randomized, 69,274 evaluated, when DSMB first recommended ending enrollment.


  More Information