Streptococcus PneumoniaeP13UKNCT01425372
Evaluating Vaccine Responses in Healthy Infants Receiving Their Routine Primary Immunisation According to the Accelerated United Kingdom Schedule at 2, 3 and 4 Months
An observational study of Streptococcus Pneumoniae, run by Prof. Elizabeth Miller at 1 site in United Kingdom.
Trial summary
Streptococcus pneumoniae is a major cause of serious bacterial infections, particularly among young children. Over 30 different types of the pneumococcus germ can cause invasive disease, but 7 types (namely serotypes 4, 6B, 9V, 14, 18C, 19F and 23F) are responsible for around 75% of cases in young children. Read more about this study
- Who is it for?
- Ages Up to 6 monthsHealthy volunteers can take part
- Conditions the study is for
- Streptococcus Pneumoniae
- How many people
- 93 participants
- Where
- 1 siteUnited Kingdom
- Study dates
- Nov 2010to Jun 2013
- Phase
- Observational
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages Up to 6 months
- All sexes
- Healthy volunteers accepted
- Child
Study population: Healthy infants who have received their primary immunisation schedule at appropriate intervals
Who may be able to join
- Male or female infants born at term (at least 37 weeks gestation) aged <6 months:
- With written informed consent obtained from the parent or legal guardian of the infant to participate in the study and to allow the infant's General Practitioner (GP) to be informed of participation in the study and be contacted, if required, for confirmation of the vaccination history
- Who have received all their primary immunisations in the 1st 6 months of life, including:
- 3 doses of Pediacel®
- 2 doses of Prevenar13®, with the 1st dose given at 6-12 weeks of age and the 2nd dose at 8-12 weeks after the 1st dose
- 2 doses of any MenC vaccine
- Do not fulfil any of the Exclusion Criteria
Who cannot join
- Participant may not be included in the study if any of the following apply:
- History of invasive Haemophilus influenzae serotype b (Hib), pneumococcal or meningococcal disease
- Confirmed or suspected immunosuppressive or immunodeficient condition (including HIV)
- Bleeding disorders and/or prolonged bleeding time
- Major congenital defects or chronic disease
- Premature birth (<37 weeks gestation at birth)
Trial locations and contacts
1 site in 1 country.
United Kingdom1 site
Multiple GP surgeries
Hertfordshire and Gloucstershire
About this study
Official title: A Prospective Study to Evaluate the Immune Response of UK Infants Receiving the 13-valent Pneumococcal Conjugate Vaccine as Part of Their Routine Primary Immunisation Schedule at 2 and 4 Months
Streptococcus pneumoniae is a major cause of serious bacterial infections, particularly among young children. Over 30 different types of the pneumococcus germ can cause invasive disease, but 7 types (namely serotypes 4, 6B, 9V, 14, 18C, 19F and 23F) are responsible for around 75% of cases in young children. A pneumococcal conjugate vaccine against these 7 serotypes (PCV7; Prevenar ®, Wyeth Vaccines) was introduced into the UK national immunisation programme in September 2006 and has resulted in a rapid reduction in pneumococcal disease caused by the 7 serotypes among both vaccinated children and older unvaccinated children and adults through herd immunity. By 2009, over half of all invasive pneumococcal cases in young children were caused by six other pneumococcal serotypes (1, 3, 5, 6A, 7F and 19A) that are included in a newly licensed 13 valent pneumococcal vaccine (PCV13; Prevenar 13®, Wyeth Vaccines). In April 2010, PCV13 replaced PCV7 in the UK immunisation programme with the aim of further reducing cases of invasive pneumococcal disease. The antibody responses induced by the 7 serotypes in both PCV13 and PCV7 have been shown to be comparable, but the protection offered by the additional 6 serotypes in PCV13 merits further study. Also, it is possible that the use of PCV13 instead of PCV7 may interfere with immune responses to other vaccines, such as Haemophilus influenzae serotype b (Hib), which are given to infants at the same time as PCV13. The proposed study will aim to collect one blood sample from infants after they receive their routine vaccinations at 2, 3 and 4 months in order to their measure immune responses to routine vaccines. The investigators hope that their results will help us better understand the added protection offered by the 13valent pneumococcal vaccine and ensure that children are adequately protected by the other vaccines they receive.
Read the detailed description
This study will aim to prospectively recruit infants in the first 6 months of life who are either due to receive or in the process of receiving their routine infant immunisation and request one blood sample one month after completing their primary immunisation schedule, which will be at around 5 months of age, if they fulfil the inclusion criteria for the study.
NUMBER OF SUBJECTS AND DURATION OF STUDY
A total of 200 infants will be recruited in two centres - Hertfordshire and Gloucestershire.
- Conditions
- Streptococcus Pneumoniae
- Keywords
- vaccine, pneumococcal conjugate vaccine, immune responses, primary immunisation, Vaccine responses to primary immunisation in the UK
What is being measured
The primary outcome is the main question the study is designed to answer.
1. To determine the proportion of infants with pneumococcal serotype-specific IgG antibody concentrations ≥0.35 μg/ml for the 13 serotypes included in Prevenar13 at one month after completion of primary immunisation
Measured: 24 months
Secondary outcomes (4)
1. To determine the geometric mean concentrations (GMCs) of pneumococcal serotype-specific IgG antibody concentrations for each of the 13 serotypes in Prevenar13 one month after primary immunisation
Measured: 24 months
2. To determine, using a functional opsonophagocytic assay (OPA), the proportion of infants with geometric mean titres (GMT) ≥1:8 for the 13 serotypes in Prevenar13 one month after primary immunisation
Measured: 24 months
3. To determine serum bactericidal assay (SBA) titres with 95%CI for MenC and the proportion of infants achieving SBA titres ≥8 or ≥128 one month after primary immunisation
Measured: 24 months
4. To determine Hib GMC with 95%CI and proportions of infants with Hib antibody concentrations ≥0.15 μg/ml or ≥1.0 μg/ml one month after primary immunisation
Measured: 24 months
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted30 Aug 2011 (estimated)
- Study startNov 2010
- Primary completionMay 2012
- Study completionJun 2013
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (2)Papers the sponsor has linked to this study.
- Other trials for Streptococcus PneumoniaeStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Observational
- Observational model
- Cohort
- Time perspective
- Prospective
- Enrolment
- 93 participants (actual)
Sponsor and investigators
- Lead sponsor
- Prof. Elizabeth Miller
- Sponsor type
- Other government
- Responsible party
- Sponsor-investigator, Prof. Elizabeth Miller, Public Health England
- Investigators
- Elizabeth Coates, PhD, Study chair, Public Health England
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT01425372
- Sponsor's protocol ID
- P13UK
- Acronym
- P13UK
- Status last verified
- Aug 2018
- First submitted
- 26 Aug 2011
- Last updated
- 22 Mar 2019
- Results posted
- No
- Data monitoring committee
- Yes
Publications
Andrews NJ, Waight PA, Burbidge P, Pearce E, Roalfe L, Zancolli M, Slack M, Ladhani SN, Miller E, Goldblatt D. Serotype-specific effectiveness and correlates of protection for the 13-valent pneumococcal conjugate vaccine: a postlicensure indirect cohort study. Lancet Infect Dis. 2014 Sep;14(9):839-46. doi: 10.1016/S1473-3099(14)70822-9. Epub 2014 Jul 17.
PubMed 25042756Ladhani SN, Andrews NJ, Waight P, Hallis B, Matheson M, England A, Findlow H, Bai X, Borrow R, Burbidge P, Pearce E, Goldblatt D, Miller E. Interchangeability of meningococcal group C conjugate vaccines with different carrier proteins in the United Kingdom infant immunisation schedule. Vaccine. 2015 Jan 29;33(5):648-55. doi: 10.1016/j.vaccine.2014.12.018. Epub 2014 Dec 12.
PubMed 25510388
Study at a glance
From the registry record, last updated by the sponsor on 22 Mar 2019. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- A Prospective Study to Evaluate the Immune Response of UK Infants Receiving the 13-valent Pneumococcal Conjugate Vaccine as Part of Their Routine Primary Immunisation Schedule at 2 and 4 Months
- ClinicalTrials.gov ID
- NCT01425372
- Acronym / sponsor ID
- P13UK / P13UK
- Conditions
- Streptococcus Pneumoniae
- Keywords
- vaccine, pneumococcal conjugate vaccine, immune responses, primary immunisation, Vaccine responses to primary immunisation in the UK
- Study type
- Observational
- Recruitment status
- Completed
- Enrolment
- 93 participants (actual)
- Lead sponsor
- Prof. Elizabeth MillerOther government
- Study start
- Nov 2010
- Primary completion
- May 2012 (actual)
- Study completion
- Jun 2013 (actual)
- First posted
- 30 Aug 2011 (estimated)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
Streptococcus pneumoniae is a major cause of serious bacterial infections, particularly among young children. Over 30 different types of the pneumococcus germ can cause invasive disease, but 7 types (namely serotypes 4, 6B, 9V, 14, 18C, 19F and 23F) are responsible for around 75% of cases in young children. A pneumococcal conjugate vaccine against these 7 serotypes (PCV7; Prevenar ®, Wyeth Vaccines) was introduced into the UK national immunisation programme in September 2006 and has resulted in a rapid reduction in pneumococcal disease caused by the 7 serotypes among both vaccinated children and older unvaccinated children and adults through herd immunity. By 2009, over half of all invasive pneumococcal cases in young children were caused by six other pneumococcal serotypes (1, 3, 5, 6A, 7F and 19A) that are included in a newly licensed 13 valent pneumococcal vaccine (PCV13; Prevenar 13®, Wyeth Vaccines). In April 2010, PCV13 replaced PCV7 in the UK immunisation programme with the aim of further reducing cases of invasive pneumococcal disease. The antibody responses induced by the 7 serotypes in both PCV13 and PCV7 have been shown to be comparable, but the protection offered by the additional 6 serotypes in PCV13 merits further study. Also, it is possible that the use of PCV13 instead of PCV7 may interfere with immune responses to other vaccines, such as Haemophilus influenzae serotype b (Hib), which are given to infants at the same time as PCV13. The proposed study will aim to collect one blood sample from infants after they receive their routine vaccinations at 2, 3 and 4 months in order to their measure immune responses to routine vaccines. The investigators hope that their results will help us better understand the added protection offered by the 13valent pneumococcal vaccine and ensure that children are adequately protected by the other vaccines they receive.
Detailed description
This study will aim to prospectively recruit infants in the first 6 months of life who are either due to receive or in the process of receiving their routine infant immunisation and request one blood sample one month after completing their primary immunisation schedule, which will be at around 5 months of age, if they fulfil the inclusion criteria for the study.
NUMBER OF SUBJECTS AND DURATION OF STUDY
A total of 200 infants will be recruited in two centres - Hertfordshire and Gloucestershire.
Study design
- Observational model
- Cohort
- Time perspective
- Prospective
Who may qualify
- Ages
- Up to 6 months
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Child
- Study population
- Healthy infants who have received their primary immunisation schedule at appropriate intervals
Key inclusion criteria (7 listed)
- With written informed consent obtained from the parent or legal guardian of the infant to participate in the study and to allow the infant's General Practitioner (GP) to be informed of participation in the study and be contacted, if required, for confirmation of the vaccination history
- Who have received all their primary immunisations in the 1st 6 months of life, including:
- Do not fulfil any of the Exclusion Criteria
Key exclusion criteria (6 listed)
- History of invasive Haemophilus influenzae serotype b (Hib), pneumococcal or meningococcal disease
- Confirmed or suspected immunosuppressive or immunodeficient condition (including HIV)
- Bleeding disorders and/or prolonged bleeding time
- Major congenital defects or chronic disease
- Premature birth (<37 weeks gestation at birth)
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Primary outcome
1. To determine the proportion of infants with pneumococcal serotype-specific IgG antibody concentrations ≥0.35 μg/ml for the 13 serotypes included in Prevenar13 at one month after completion of primary immunisation
Time frame: 24 months
4 secondary outcomes
1. To determine the geometric mean concentrations (GMCs) of pneumococcal serotype-specific IgG antibody concentrations for each of the 13 serotypes in Prevenar13 one month after primary immunisation
Time frame: 24 months
2. To determine, using a functional opsonophagocytic assay (OPA), the proportion of infants with geometric mean titres (GMT) ≥1:8 for the 13 serotypes in Prevenar13 one month after primary immunisation
Time frame: 24 months
3. To determine serum bactericidal assay (SBA) titres with 95%CI for MenC and the proportion of infants achieving SBA titres ≥8 or ≥128 one month after primary immunisation
Time frame: 24 months
4. To determine Hib GMC with 95%CI and proportions of infants with Hib antibody concentrations ≥0.15 μg/ml or ≥1.0 μg/ml one month after primary immunisation
Time frame: 24 months
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 22 Mar 2019.
- Background: PubMed 25042756Andrews NJ, Waight PA, Burbidge P, Pearce E, Roalfe L, Zancolli M, Slack M, Ladhani SN, Miller E, Goldblatt D. Serotype-specific effectiveness and correlates of protection for the 13-valent pneumococcal conjugate vaccine: a postlicensure indirect cohort study. Lancet Infect Dis. 2014 Sep;14(9):839-46. doi: 10.1016/S1473-3099(14)70822-9. Epub 2014 Jul 17.
- Results publication: PubMed 25510388Ladhani SN, Andrews NJ, Waight P, Hallis B, Matheson M, England A, Findlow H, Bai X, Borrow R, Burbidge P, Pearce E, Goldblatt D, Miller E. Interchangeability of meningococcal group C conjugate vaccines with different carrier proteins in the United Kingdom infant immunisation schedule. Vaccine. 2015 Jan 29;33(5):648-55. doi: 10.1016/j.vaccine.2014.12.018. Epub 2014 Dec 12.
- Published study resultsLink provided by the sponsor.
- Published study resultsLink provided by the sponsor.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Elizabeth Coates, PhD study chair
Public Health England
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
An observational study of Streptococcus Pneumoniae, run by Prof. Elizabeth Miller at 1 site in United Kingdom.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 7 inclusion and 6 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 22 Mar 2019. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in United Kingdom. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
1. To determine the proportion of infants with pneumococcal serotype-specific IgG antibody concentrations ≥0.35 μg/ml for the 13 serotypes included in Prevenar13 at one month after completion of primary immunisation (time frame: 24 months). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT01425372, which also lists 2 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 22 Mar 2019.