- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01119703
Vaccine Hyporesponse in Healthy Elderly Participants (MK-0000-131 AM2)
November 30, 2015 updated by: Merck Sharp & Dohme LLC
A Phase I, Open-Label Observational Study to Develop a Prospective Predictor of Vaccine Hyporesponse in Healthy Elderly Subjects
This study evaluated whether it is possible in healthy elderly participants to generate baseline biomarker-based prediction rules (PdR) for vaccine response (post baseline absolute serum antibody titer) using each of the protocol selected vaccines separately; and examined the rank correlation coefficients of pairs of post vaccination antibody titers within the same elderly individuals.
Study Overview
Status
Completed
Conditions
Study Type
Observational
Enrollment (Actual)
174
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
25 years and older (Adult, Older Adult)
Accepts Healthy Volunteers
Yes
Genders Eligible for Study
All
Sampling Method
Probability Sample
Study Population
Adults 25 to 40 years old or 65 years and older
Description
Inclusion Criteria:
- Male or female aged 25 to 40 years old or 65 years of age or older at the prestudy (screening) visit
- Has no fever on day of screening
- Lacks Hepatitis B surface antigen seroreactivity
- If female 25 to 40 years of age, is not pregnant nor breastfeeding, and agrees to use effective contraception
Exclusion Criteria:
- Has a prior history of Hepatitis B Virus infection
- Has BMI (Body Mass Index) >35
- If female 25 to 40 years of age, is pregnant, or expecting to conceive, donate eggs or breastfeed
- Has received immune globulin and/or blood products within 3 months prior to first dose received
- Has a history of immunosuppression resulting from disease (e.g., malignancy; human immunodeficiency virus [HIV] infection), or is currently taking corticosteroids or other immunosuppressive/cytotoxic therapy (cancer chemotherapy or organ transplantation)
- Has an active neoplastic disease
- Has had any infection including upper respiratory viral syndrome in the 6 weeks prior to planned collection of baseline laboratory samples
- Has received a live virus vaccine or an inactivated vaccine or is scheduled to receive a live virus vaccine or an inactivated vaccine in the period from 6 weeks prior to receipt of the first vaccine through the completion of all study visits
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
Arm 1: Healthy, elderly participants
Healthy participants 65 years old and older.
|
Tetanus & Diphtheria booster vaccine (Td), single intramuscular dose
TwinrixTM [Hepatitis A Inactivated & Hepatitis B (Recombinant) Vaccine], intramuscular, two doses of standard three dose regimen (opposite arms)
Dukoral® Traveler's Diarrhea Vaccine, recombinant Cholera toxin B subunit (WC/rBS), standard two oral doses per treatment regimen
|
Arm 2: Healthy, young, participants
Healthy participants 25 to 40 years old.
|
Tetanus & Diphtheria booster vaccine (Td), single intramuscular dose
TwinrixTM [Hepatitis A Inactivated & Hepatitis B (Recombinant) Vaccine], intramuscular, two doses of standard three dose regimen (opposite arms)
Dukoral® Traveler's Diarrhea Vaccine, recombinant Cholera toxin B subunit (WC/rBS), standard two oral doses per treatment regimen
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Antibody Titer Responses to Hepatitis B Virus Surface Antigen (HBV sAg) Vaccine, Measured and Predicted Based on Pre-vaccination Biomarkers in Healthy, Elderly Participants.
Time Frame: Baseline and 1 month after final vaccination
|
Healthy elderly participants were simultaneously vaccinated at baseline with hepatitis vaccine, tetanus-diphtheria booster vaccine, and cholera vaccine.
Antibody titers to HBV sAg were then measured 1 month after final vaccination, based on enzyme linked immunosorbent assay (ELISA), and are defined as standardized "international units" of reactivity converted from optical densities, transformed to natural log (ln).
In order to predict antibody responses blood samples were collected prior to vaccination at baseline, to measure a wide variety of biomarkers by messenger RNA (mRNA) profiling, biochemical and flow cytometric assays.
These biomarkers were then used in a machine-learning (random-forest based) model to predict antibody titers, transformed to natural log (ln).
|
Baseline and 1 month after final vaccination
|
Antibody Titer Responses to Tetanus Booster Vaccine, Measured and Predicted Based on Pre-vaccination Biomarkers in Healthy, Elderly Participants.
Time Frame: Baseline and 1 month after final vaccination
|
Healthy elderly participants were simultaneously vaccinated at baseline with hepatitis vaccine, tetanus-diphtheria booster vaccine, and cholera vaccine.
Antibody titers to tetanus were then measured 1 month after final vaccination, based on ELISA, and are defined as standardized "international units" of reactivity converted from optical densities, transformed to natural log (ln).
In order to predict antibody responses blood samples were collected prior to vaccination at baseline, to measure a wide variety of biomarkers by mRNA profiling, biochemical and flow cytometric assays.
These biomarkers were then used in a machine-learning (random-forest based) model to predict antibody titers, transformed to natural log (ln).
|
Baseline and 1 month after final vaccination
|
Antibody Titer Responses to Reduced Diphtheria Toxin Vaccine, Measured and Predicted Based on Pre-vaccination Biomarkers in Healthy, Elderly Participants.
Time Frame: Baseline and 1 month after final vaccination
|
Healthy elderly participants were simultaneously vaccinated at baseline with hepatitis vaccine, tetanus-diphtheria booster vaccine, and cholera vaccine.
Antibody titers to diphtheria were then measured 1 month after final vaccination, based on ELISA, and are defined as standardized "international units" of reactivity converted from optical densities, transformed to natural log (ln).
In order to predict antibody responses blood samples were collected prior to vaccination at baseline, to measure a wide variety of biomarkers by mRNA profiling, biochemical and flow cytometric assays.
These biomarkers were then used in a machine-learning (random-forest based) model to predict antibody titers, transformed to natural log (ln).
|
Baseline and 1 month after final vaccination
|
Antibody Titer Responses to Oral Cholera Vaccine (WC/rBS), Measured and Predicted Based on Pre-vaccination Biomarkers in Healthy, Elderly Participants.
Time Frame: Baseline and 3 weeks after final vaccination
|
Healthy elderly participants were simultaneously vaccinated at baseline with hepatitis vaccine, tetanus-diphtheria booster vaccine, and cholera vaccine.
Antibody titers to cholera were then measured 3 weeks after final vaccination, based on ELISA, and are defined as standardized "international units" of reactivity converted from optical densities, transformed to natural log (ln).
In order to predict antibody responses blood samples were collected prior to vaccination at baseline, to measure a wide variety of biomarkers by mRNA profiling, biochemical and flow cytometric assays.
These biomarkers were then used in a machine-learning (random-forest based) model to predict antibody titers, transformed to natural log (ln).
|
Baseline and 3 weeks after final vaccination
|
Post-vaccination Antibody Titer Responses to Different Vaccines in Healthy, Elderly, Participants.
Time Frame: 3 weeks or 1 month after each final vaccination
|
Healthy elderly participants were simultaneously vaccinated at baseline with hepatitis vaccine, tetanus-diphtheria booster vaccine, and cholera vaccine.
Antibody titers to each of these four antigens were then measured 1 month after each final vaccination (3 weeks for cholera toxin), based on ELISA, and are defined as standardized "international units" of reactivity converted from optical densities, transformed to natural log (ln).
|
3 weeks or 1 month after each final vaccination
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Antibody Titer Responses to Hepatitis B Virus Surface Antigen (HBV sAg) Vaccine, Measured and Predicted Based on Early Post-vaccination Biomarkers in Healthy, Elderly Participants.
Time Frame: Day 7 and 1 month after final vaccination
|
Healthy elderly participants were simultaneously vaccinated at baseline with hepatitis vaccine, tetanus-diphtheria booster vaccine, and cholera vaccine.
Antibody titers to HBV sAg were then measured 1 month after final vaccination, based on ELISA, and are defined as standardized "international units" of reactivity converted from optical densities, transformed to natural log (ln).
In order to predict antibody responses blood samples were collected at 7 days post-baseline vaccination to measure a wide variety of biomarkers by mRNA profiling, biochemical and flow cytometric assays.
These biomarkers were then used in a machine-learning (random-forest based) model to predict antibody titers, transformed to natural log (ln).
|
Day 7 and 1 month after final vaccination
|
Antibody Titer Responses to Tetanus Booster Vaccine, Measured and Predicted Based on Early Post-vaccination Biomarkers in Healthy, Elderly Participants.
Time Frame: Day 7 and 1 month after each final vaccination
|
Healthy elderly participants were simultaneously vaccinated at baseline with hepatitis vaccine, tetanus-diphtheria booster vaccine, and cholera vaccine.
Antibody titers to tetanus were then measured 1 month after final vaccination, based on ELISA, and are defined as standardized "international units" of reactivity converted from optical densities, transformed to natural log (ln).
In order to predict antibody responses blood samples were collected 7 days post-baseline vaccination to measure a wide variety of biomarkers by mRNA profiling, biochemical and flow cytometric assays.
These biomarkers were then used in a machine-learning (random-forest based) model to predict antibody titers, transformed to natural log(ln).
|
Day 7 and 1 month after each final vaccination
|
Antibody Titer Responses to Reduced Diphtheria Toxin Vaccine, Measured and Predicted Based on Early Post-vaccination Biomarkers in Healthy, Elderly Participants.
Time Frame: Day 7 and 1 month after final vaccination
|
Healthy elderly participants were simultaneously vaccinated at baseline with hepatitis vaccine, tetanus-diphtheria booster vaccine, and cholera vaccine.
Antibody titers to diphtheria were then measured 1 month after final vaccination, based on ELISA, and are defined as standardized "international units" of reactivity converted from optical densities, transformed to natural log (ln).
In order to predict antibody responses blood samples were collected 7 days post-baseline vaccination to measure a wide variety of biomarkers by mRNA profiling, biochemical and flow cytometric assays.
These biomarkers were then used in a machine-learning (random-forest based) model to predict antibody titers, transformed to natural log(ln).
|
Day 7 and 1 month after final vaccination
|
Antibody Titer Responses to Oral Cholera Vaccine (WC/rBS), Measured and Predicted Based on Early Post-vaccination Biomarkers in Healthy, Elderly Participants.
Time Frame: Day 7 and 3 weeks after final vaccination
|
Healthy elderly participants were simultaneously vaccinated at baseline with hepatitis vaccine, tetanus-diphtheria booster vaccine, and cholera vaccine.
Antibody titers to cholera were then measured 3 weeks after final vaccination, based on ELISA, and are defined as standardized "international units" of reactivity converted from optical densities, transformed to natural log (ln).
In order to predict antibody responses blood samples were collected 7 days post-baseline vaccination to measure a wide variety of biomarkers by mRNA profiling, biochemical and flow cytometric assays.
These biomarkers were then used in a machine-learning (random-forest based) model to predict antibody titers, transformed to natural log(ln).
|
Day 7 and 3 weeks after final vaccination
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Investigators
- Principal Investigator: Francois St-Maurice, MD, Anapharm
- Principal Investigator: Denis Audet, MD, Anapharm
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start
July 1, 2010
Primary Completion (Actual)
November 1, 2011
Study Completion (Actual)
November 1, 2011
Study Registration Dates
First Submitted
May 5, 2010
First Submitted That Met QC Criteria
May 6, 2010
First Posted (Estimate)
May 7, 2010
Study Record Updates
Last Update Posted (Estimate)
December 29, 2015
Last Update Submitted That Met QC Criteria
November 30, 2015
Last Verified
November 1, 2015
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- 0000-131
- MK-0000-131 (Other Identifier: Merck)
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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