A Study of the Safety and Immune Response to RotaTeq™ Vaccine in the Elderly (V260-027)
This study has been terminated.
(Strategic business decision not to pursue indication due to lack of demonstrable medical need)
Sponsor:
Merck
Information provided by:
Merck
ClinicalTrials.gov Identifier:
NCT00836498
First received: February 3, 2009
Last updated: February 24, 2011
Last verified: February 2011
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Results First Received: January 12, 2011
| Study Type: | Interventional |
|---|---|
| Study Design: | Allocation: Randomized; Endpoint Classification: Safety Study; Intervention Model: Parallel Assignment; Masking: Double Blind (Subject, Investigator); Primary Purpose: Prevention |
| Condition: |
Rotavirus |
| Interventions: |
Biological: Comparator: RotaTeq Biological: Comparator: Placebo Biological: Comparator: RotaTeq + Placebo |
Participant Flow
Recruitment Details
| Key information relevant to the recruitment process for the overall study, such as dates of the recruitment period and locations |
|---|
| Enrollment of participants occurred at 8 study sites in the United States. |
Pre-Assignment Details
| Significant events and approaches for the overall study following participant enrollment, but prior to group assignment |
|---|
| Part II was not conducted; no participants were recruited. |
Reporting Groups
| Description | |
|---|---|
| RotaTeq™ | Three dose regimen of RotaTeq™. Vaccination 1 administered on Day 1, Vaccination 2 administered 28-42 days after Vaccination 1, and Vaccination 3 administered 28-42 days after Vaccination 2. |
| Placebo | Three dose regimen of matching placebo. Vaccination 1 administered on Day 1, Vaccination 2 administered 28-42 days after Vaccination 1, and Vaccination 3 administered 28-42 days after Vaccination 2. |
Participant Flow: Overall Study
| RotaTeq™ | Placebo | |
|---|---|---|
| STARTED | 44 | 22 |
| COMPLETED | 40 [1] | 21 |
| NOT COMPLETED | 4 | 1 |
| Adverse Event | 1 | 0 |
| Lost to Follow-up | 1 | 0 |
| Withdrawal by Subject | 2 | 1 |
| [1] | Participant who discontinued the study vaccination due to AE completed the 180-day safety follow-up. |
|---|
Baseline Characteristics
Reporting Groups
| Description | |
|---|---|
| RotaTeq™ | Three dose regimen of RotaTeq™. Vaccination 1 administered on Day 1, Vaccination 2 administered 28-42 days after Vaccination 1, and Vaccination 3 administered 28-42 days after Vaccination 2. |
| Placebo | Three dose regimen of matching placebo. Vaccination 1 administered on Day 1, Vaccination 2 administered 28-42 days after Vaccination 1, and Vaccination 3 administered 28-42 days after Vaccination 2. |
| Total | Total of all reporting groups |
Baseline Measures
| RotaTeq™ | Placebo | Total | |
|---|---|---|---|
|
Number of Participants
[units: participants] |
44 | 22 | 66 |
|
Age, Customized
[1] [units: participants] |
44 | 22 | 66 |
|
Gender
[units: participants] |
|||
| Female | 23 | 13 | 36 |
| Male | 21 | 9 | 30 |
|
Region of Enrollment
[units: participants] |
|||
| United States | 44 | 22 | 66 |
| [1] | Between 65 and 80 years. |
|---|
Outcome Measures
| 1. Primary: | Part I: Number of Participants With Nonserious and Serious Adverse Experiences (AEs) [ Time Frame: Up to 42 days following any dose of RotaTeq™ or placebo ] |
| 2. Primary: | Part I: Number of Participants With Serious Adverse Experiences (SAEs) [ Time Frame: Up to 180 days following the third dose of RotaTeq™ or placebo ] |
| 3. Primary: | Part I: Geometric Mean Titers (GMT) of Serum Anti-rotavirus Immunoglobulin A (IgA) [ Time Frame: Prior to Dose 1 and 28 to 42 days Postdose 1, 2, and 3 of RotaTeq™ or placebo ] |
| 4. Primary: | Part II: Number of Participants With Nonserious Adverse Experiences [ Time Frame: Up to 42 days following any dose of RotaTeq™ and/or placebo ] |
| 5. Primary: | Part II: Number of Participants With Serious Adverse Experiences [ Time Frame: Up to 180 days following the third dose of RotaTeq™ and/or placebo ] |
| 6. Primary: | Part II: Geometric Mean Titer (GMT) of Serum Anti-rotavirus Immunoglobulin A (IgA) [ Time Frame: Prior to Dose 1 and 28 to 42 days Postdose 1, 2, and 3 ] |
| 7. Secondary: | Part I: Geometric Mean Titer (GMT) of Serum Neutralizing Antibody (SNA) Response to Human Rotavirus Serotype G1 [ Time Frame: Prior to Dose 1 and 28 to 42 days Postdose 1, 2, and 3 of RotaTeq™ or placebo ] |
| 8. Secondary: | Part I: Geometric Mean Titer (GMT) of Serum Neutralizing Antibody (SNA) Response to Human Rotavirus Serotype G2 [ Time Frame: Prior to Dose 1 and 28 to 42 days Postdose 1, 2, and 3 of RotaTeq™ or placebo ] |
| 9. Secondary: | Part I: Geometric Mean Titer (GMT) of Serum Neutralizing Antibody (SNA) Response to Human Rotavirus Serotype G3 [ Time Frame: Prior to Dose 1 and 28 to 42 days Postdose 1, 2, and 3 of RotaTeq™ or placebo ] |
| 10. Secondary: | Part I: Geometric Mean Titer (GMT) of Serum Neutralizing Antibody (SNA) Response to Human Rotavirus Serotype G4 [ Time Frame: Prior to Dose 1 and 28 to 42 days Postdose 1, 2, and 3 of RotaTeq™ or placebo ] |
| 11. Secondary: | Part I: Geometric Mean Titer (GMT) of Serum Neutralizing Antibody (SNA) Response to Human Rotavirus Serotype P1A[8] [ Time Frame: Prior to Dose 1 and 28 to 42 days Postdose 1, 2, and 3 of RotaTeq™ or placebo ] |
| 12. Secondary: | Part II: Geometric Mean Titers (GMTs) of Serum Neutralizing Antibody (SNA) Responses to G1, G2, G3, G4, and P1A [ Time Frame: Prior to Dose 1 and 28 to 42 days Postdose 1, 2, and 3 ] |
| 13. Secondary: | Part II: Percentage of Participants With a >=3-fold Rise From Baseline of Serum Anti-rotavirus IgA and SNA Responses to Rotavirus Serotypes G1, G2, G3, G4 and P1A [ Time Frame: Prior to Dose 1 and 28 to 42 days Postdose 1, 2, and 3 ] |
More Information
Certain Agreements:
Limitations and Caveats
Results Point of Contact:
No publications provided
| Principal Investigators are NOT employed by the organization sponsoring the study. | ||||||
| There IS an agreement between Principal Investigators and the Sponsor (or its agents) that restricts the PI's rights to discuss or publish trial results after the trial is completed. | ||||||
The agreement is:
|
Limitations and Caveats
| 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 |
|---|
| No text entered. |
Results Point of Contact:
Name/Title: Vice President of Late Stage Development
Organization: Merck Sharp & Dohme Corp
e-mail: ClinicalTrialsDisclosure@merck.com
Organization: Merck Sharp & Dohme Corp
e-mail: ClinicalTrialsDisclosure@merck.com
No publications provided
| Responsible Party: | Executive Vice President, Clinical and Quantitative Sciences, Merck Sharp & Dohme Corp |
| ClinicalTrials.gov Identifier: | NCT00836498 History of Changes |
| Other Study ID Numbers: | V260-027, 2007_537 |
| Study First Received: | February 3, 2009 |
| Results First Received: | January 12, 2011 |
| Last Updated: | February 24, 2011 |
| Health Authority: | United States: Food and Drug Administration |