Infections, StreptococcalPhase 3NCT00489554
Primary Vaccination Study With a Pneumococcal Conjugate Vaccine in Healthy Children 6 to 12wks of Age
A Phase 3 study testing Synflorix, Infanrix hexa and Rotarix in people with Infections, Streptococcal and Streptococcus Pneumoniae Vaccines, run by GlaxoSmithKline at 2 sites in Mexico.
Trial summary
The purpose of this study is to assess the immunogenicity in terms of antibody response and the safety/reactogenicity in terms of solicited and unsolicited symptoms and serious adverse events following primary vaccination of Mexican infants with pneumococcal conjugate vaccine GSK 1024850A co-administered with a… Read more about this study
- Who is it for?
- Ages 6 to 12 weeksHealthy volunteers can take part
- Conditions the study is for
- Infections, Streptococcal, Streptococcus Pneumoniae Vaccines
- What is being tested?
- Synflorix, Infanrix hexa and Rotarix
- Type of treatment
- Vaccines, Pill or oral medicine, Injection or infusion
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 230 participants
- Where
- 2 sitesMexico
- Study dates
- 3 Jul 2007to 31 Mar 2008
- Phase
- Phase 3
- Are there results?
- Yes, posted in the registrySummary in the doctors' view
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 6 to 12 weeks
- All sexes
- Healthy volunteers accepted
- Child
Who may be able to join
- Male or female subjects between and including 6-12 weeks of age at the time of the first vaccination.
- Subjects for whom the investigator believes that their parents/guardians can and will comply with the requirements of the protocol.
- Written informed consent obtained from the parent or guardian of the subject.
- Free of obvious health problems as established by medical history and clinical examination before entering into the study.
- Born after a gestation period of 36 to 42 weeks inclusive.
Who cannot join
- 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.
- Planned administration/administration of a vaccine not foreseen by the study protocol during the period starting one month before each dose of vaccines and ending 7 days after dose 1 and dose 2 and one month after dose 3.
- 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.
- Chronic administration (defined as more than 14 days) of immunosuppressants or other immune-modifying drugs since birth.
- A family history of congenital or hereditary immunodeficiency.
- Any confirmed or suspected immunosuppressive or immunodeficient condition based on medical history and physical examination.
Show all 15Show fewer
- Administration of immunoglobulins and/or any blood products since birth or planned administration during the study period.
- Previous vaccination against diphtheria, tetanus, pertussis, polio, hepatitis B, Haemophilus influenzae type b, rotavirus and/or Streptococcus pneumoniae; with the exception of vaccines where the first dose may be given at birth within the first two weeks of life according to national recommendations (e.g. Hepatitis B and BCG).
- History of, or intercurrent, diphtheria, tetanus, pertussis, polio, hepatitis B and Haemophilus influenzae type b disease.
- Gastroenteritis within 7 days preceding the study vaccine administration (warrants deferral of the vaccination).
- Any clinically significant history of chronic gastrointestinal disease including any uncorrected congenital malformation of the gastrointestinal (GI) tract, intussusception (IS) or other medical condition determined to be serious by the investigator.
- History of allergic disease or reactions likely to be exacerbated by any component of the vaccines.
- History of any neurological disorders or seizures.
- Major congenital defects or serious chronic illness.
- Acute disease at the time of enrolment.
Trial locations and contacts
2 sites in 1 country.
Mexico2 sites
GSK Investigational Site
México, 14000
GSK Investigational Site
Mexico City, 14000
About this study
Official title: Primary Vaccination Course in Children Receiving the Pneumococcal Vaccine GSK 1024850A, Infanrix Hexa and Rotarix
The purpose of this study is to assess the immunogenicity in terms of antibody response and the safety/reactogenicity in terms of solicited and unsolicited symptoms and serious adverse events following primary vaccination of Mexican infants with pneumococcal conjugate vaccine GSK 1024850A co-administered with a diphtheria, tetanus, acellular pertussis (DTPa)-combined vaccine (Infanrix hexa) and rotavirus vaccine (Rotarix) in children during the first 6 months of age.
Read the detailed description
The Protocol Posting has been updated in order to comply with the FDA Amendment Act, Sep 2007.
- Being tested
- Synflorix, Infanrix hexa, Rotarix
- Keywords
- Primary vaccination, Safety, Pneumococcal vaccine., Pneumococcal disease, Immunogenicity
- Medical subject headings
- Streptococcal Infections, Pneumococcal Infections
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
SynflorixBiological
Also called Pneumococcal conjugate vaccine GSK1024850A.
Intramuscular injection, 3 doses.
Infanrix hexaBiological
Intramuscular injection, 3 doses.
RotarixBiological
Oral, 2 doses.
| Study group | Role | What they receive |
|---|---|---|
| Synflorix Vaccine Group | Experimental | Subjects receiving Synflorix vaccine co-administered with DTPa-HBV-IPV/Hib (Infanrix hexa) vaccine at 2-4-6 months of age, and co-administered with HRV (Rotarix) vaccine at 2-4 months of age. Receives: Biological: Synflorix; Biological: Infanrix hexa; Biological: Rotarix |
What is being measured
The primary outcome is the main question the study is designed to answer.
Antibody Concentrations Against Pneumococcal Vaccine Serotypes
Concentrations were expressed as geometric mean concentration (GMC). The vaccine pneumococcal serotypes assessed include 1, 4, 5, 6B, 7F, 9V, 14, 18C, 19F, and 23F.
Measured: One month after the administration of the 3rd vaccine dose i.e. Month 5
Antibody Concentrations Against Protein D
Concentrations were given as geometric mean concentration (GMC) expressed as enzyme-linked immuno-sorbent assay (ELISA) units per milliliter.
Measured: One month after the administration of the 3rd vaccine dose i.e. Month 5
Secondary outcomes (13)
Opsonophagocytic Titer Against Pneumococcal Vaccine Serotypes
The results were presented as the geometric mean dilution of serum (opsonic titer) able to sustain 50% killing of live pneumococci under the assay conditions. The vaccine pneumococcal serotypes assessed include 1, 4, 5, 6B, 7F, 9V, 14, 18C, 19F, and 23F.
Measured: One month after the administration of the 3rd vaccine dose i.e. Month 5
Number of Subjects With Anti-pneumococcal Vaccine Serotypes Antibody Concentrations Greater Than or Equal to 0.2 Microgram Per Milliliter
The vaccine pneumococcal serotypes assessed include 1, 4, 5, 6B, 7F, 9V, 14, 18C, 19F, and 23F.
Measured: One month after the administration of the 3rd vaccine dose i.e. Month 5
Antibody Concentrations Against Pneumococcal Cross-reactive Serotypes
Antibody concentrations were expressed as Geometric Mean Concentrations against pneumococcal cross-reactive serotypes 6A and 19A.
Measured: One month after the administration of the 3rd vaccine dose i.e. Month 5
Opsonophagocytic Titer Against Pneumococcal Cross-reactive Serotypes
The results were presented as the geometric mean dilution of serum (opsonic titer) able to sustain 50% killing of live pneumococci under the assay conditions. The cross-reactive pneumococcal serotypes assessed include 6A and 19A.
Measured: One month after the administration of the 3rd vaccine dose i.e. Month 5
Number of Subjects Seropositive Against Vaccine Pneumococcal Serotypes
Seropositivity was defined as anti-pneumococcal antibody concentration greater than or equal to 0.05 microgram per milliliter. The vaccine pneumococcal serotypes assessed include 1, 4, 5, 6B, 7F, 9V, 14, 18C, 19F, and 23F.
Measured: One month after the administration of the 3rd vaccine dose i.e. Month 5
Number of Subjects Seropositive for Opsonic Titer Against Vaccine Pneumococcal Serotypes
Seropositivity was defined as an opsonic titer greater than or equal to 8. The vaccine pneumococcal serotypes assessed include 1, 4, 5, 6B, 7F, 9V, 14, 18C, 19F, and 23F.
Measured: One month after the administration of the 3rd vaccine dose i.e. Month 5
Number of Subjects Seropositive Against Cross-reactive Pneumococcal Serotypes
Seropositivity was defined as anti-pneumococcal antibody concentration greater than or equal to 0.05 microgram per milliliter. The cross-reactive pneumococcal serotypes assessed include 6A and 19A.
Measured: One month after the administration of the 3rd vaccine dose i.e. Month 5
Number of Subjects Seropositive for Opsonic Titer Against Cross-reactive Pneumococcal Serotypes
Seropositivity was defined as anti-pneumococcal antibody opsonic titer greater than or equal to 8. The vaccine pneumococcal cross-reactive serotypes assessed include 6A and 19A.
Measured: One month after the administration of the 3rd vaccine dose i.e. Month 5
Number of Subjects Seropositive for Anti-Protein D Antibodies
Seropositivity was defined as antibody concentration greater than or equal to 100 Enzyme-Linked Immuno Sorbent Assay (ELISA) units per milliliter.
Measured: One month after the administration of the 3rd vaccine dose i.e. Month 5
Number of Subjects Reporting Any and Grade 3 Solicited Local Adverse Events (AEs)
Grade 3 redness and swelling was > 30 millimeter (mm) and grade 3 pain was subjects crying when limb was moved/spontaneously painful. Any was occurrence of any local symptom regardless of grade and whatever the number of injections.
Measured: Within 4 days following any vaccine dose
Number of Subjects Reporting Any, Grade 3 and Related Solicited General AEs
Any fever was defined as axillary temperature ≥ 37.5 degree centigrade (°C), grade 3 fever was axillary temperature > 39.5°C. Grade 3 drowsiness, irritability, and loss of appetite was general symptom which prevented normal everyday activities. Grade 3 diarrhea was ≥ 6 looser than normal stools/day and Grade 3 vomiting was ≥ 3 episodes of vomiting/day. Related was solicited general symptom considered by the investigator to have a causal relationship to study vaccination.
Measured: Within 4 days following any vaccine dose
Number of Subjects Reporting Any Unsolicited AEs
Unsolicited AE covers any AE reported in addition to those solicited during the clinical study and any solicited symptom with onset outside the specified period of follow-up for solicited symptoms.
Measured: Within 31 days after any vaccine dose
Number of Subjects Reporting Any Serious Adverse Events (SAEs)
SAEs assessed include medical occurrences that result in death, are life threatening, require hospitalization or prolongation of hospitalization, result in disability/incapacity or are a congenital anomaly/birth defect in the offspring of a study subject.
Measured: Up to Month 5
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted21 Jun 2007 (estimated)
- Study start3 Jul 2007
- Primary completion31 Mar 2008
- Study completion31 Mar 2008
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Posted resultsParticipant flow, outcome measures and adverse events reported by the sponsor.
- Publications (5)Papers the sponsor has linked to this study.
- Other trials for Infections, StreptococcalStudies of the same condition, open and under way.
- More trials run by GlaxoSmithKlineThe sponsor's other registered studies.
- 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
- Interventional
- Phase
- Phase 3
- Primary purpose
- Prevention
- Allocation
- Non-randomised
- Intervention model
- Single group
- Masking
- None (open label)
- Enrolment
- 230 participants (actual)
Sponsor and investigators
- Lead sponsor
- GlaxoSmithKline
- Sponsor type
- Industry (pharma, biotech, devices)
- Responsible party
- Sponsor
- Investigators
- GSK Clinical Trials, Study director, GlaxoSmithKline
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00489554
- Sponsor's protocol ID
- 109661
- Other IDs
- 2015-001510-10, 2015
- Status last verified
- Dec 2019
- First submitted
- 20 Jun 2007
- Last updated
- 13 Jan 2020
- Results posted
- Yes, on ClinicalTrials.gov
- Individual data sharing
- Yes: IPD is available via the Clinical Study Data Request site (click on the link provided below).
Publications
Ruiz-Palacios G et al. Immunogenicity, safety and reactogenicity of the new 10-valent pneumococcal non-typeable Haemophilus influenzae protein D-conjugate vaccine (PHiD-CV) in Mexican infants. Abstract presented at the XIII Congreso Latinoamericano de Infectología Pediátrica (SLIPE). Guayaquil, Ecuador, 12-15 August 2009.
Ruiz-Palacios GM, Guerrero ML, Hernandez-Delgado L, Lavalle-Villalobos A, Casas-Munoz A, Cervantes-Apolinar Y, Moreira M, Schuerman L. Immunogenicity, reactogenicity and safety of the 10-valent pneumococcal nontypeable Haemophilus influenzae protein D conjugate vaccine (PHiD-CV) in Mexican infants. Hum Vaccin. 2011 Nov;7(11):1137-45. doi: 10.4161/hv.7.11.17984. Epub 2011 Nov 1.
PubMed 22048109Schuerman L et al. Population variability in antibody responses following pneumococcal conjugate vaccination: experience with the non-typeable Haemophilus influenzae protein D conjugate vaccine (PHiD-CV). Abstract presented at the 7th International Symposium on Pneumococci and Pneumococcal Diseases (ISPPD). Tel Aviv, Israel, 14-18 March 2010.
Schuerman L et al. Population variability of opsonophagocytic activity following 10-valent pneumococcal non-typeable Haemophilus influenzae protein D conjugate (PHiD-CV) vaccination more limited than antibody responses. Abstract presented at the 7th International Symposium on Pneumococci and Pneumococcal Diseases (ISPPD). Tel Aviv, Israel, 14-18 March 2010.
Silfverdal SA, Coremans V, Francois N, Borys D, Cleerbout J. Safety profile of the 10-valent pneumococcal non-typeable Haemophilus influenzae protein D conjugate vaccine (PHiD-CV). Expert Rev Vaccines. 2017 Feb;16(2):109-121. doi: 10.1586/14760584.2016.1164044. Epub 2016 Sep 30.
PubMed 26954689
Study at a glance
From the registry record, last updated by the sponsor on 13 Jan 2020. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Primary Vaccination Course in Children Receiving the Pneumococcal Vaccine GSK 1024850A, Infanrix Hexa and Rotarix
- ClinicalTrials.gov ID
- NCT00489554
- Acronym / sponsor ID
- 109661
- Keywords
- Primary vaccination, Safety, Pneumococcal vaccine., Pneumococcal disease, Immunogenicity
- Phase
- Phase 3
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 230 participants (actual)
- Lead sponsor
- GlaxoSmithKlineIndustry (pharma, biotech, devices)
- Study start
- 3 Jul 2007 (actual)
- Primary completion
- 31 Mar 2008 (actual)
- Study completion
- 31 Mar 2008 (actual)
- First posted
- 21 Jun 2007 (estimated)
- Results
- Posted 10 May 2012
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
The purpose of this study is to assess the immunogenicity in terms of antibody response and the safety/reactogenicity in terms of solicited and unsolicited symptoms and serious adverse events following primary vaccination of Mexican infants with pneumococcal conjugate vaccine GSK 1024850A co-administered with a diphtheria, tetanus, acellular pertussis (DTPa)-combined vaccine (Infanrix hexa) and rotavirus vaccine (Rotarix) in children during the first 6 months of age.
Detailed description
The Protocol Posting has been updated in order to comply with the FDA Amendment Act, Sep 2007.
Study design
- Primary purpose
- Prevention
- Allocation
- Non-randomised
- Intervention model
- Single group
- Masking
- None (open label)
- Number of arms
- 1
| Arm | Type | Receives |
|---|---|---|
| Synflorix Vaccine Group | Experimental | Biological: Synflorix, Biological: Infanrix hexa, Biological: RotarixSubjects receiving Synflorix vaccine co-administered with DTPa-HBV-IPV/Hib (Infanrix hexa) vaccine at 2-4-6 months of age, and co-administered with HRV (Rotarix) vaccine at 2-4 months of age. |
Who may qualify
- Ages
- 6 to 12 weeks
- Sex
- All
- Healthy volunteers
- Accepted
- Age groups
- Child
Key inclusion criteria (5 listed)
- Male or female subjects between and including 6-12 weeks of age at the time of the first vaccination.
- Subjects for whom the investigator believes that their parents/guardians can and will comply with the requirements of the protocol.
- Written informed consent obtained from the parent or guardian of the subject.
- Free of obvious health problems as established by medical history and clinical examination before entering into the study.
- Born after a gestation period of 36 to 42 weeks inclusive.
Key exclusion criteria (15 listed)
- 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.
- Planned administration/administration of a vaccine not foreseen by the study protocol during the period starting one month before each dose of vaccines and ending 7 days after dose 1 and dose 2 and one month after dose 3.
- 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.
- Chronic administration (defined as more than 14 days) of immunosuppressants or other immune-modifying drugs since birth.
- A family history of congenital or hereditary immunodeficiency.
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| SynflorixAlso: Pneumococcal conjugate vaccine GSK1024850A.Intramuscular injection, 3 doses. | Biological | Synflorix Vaccine Group |
| Infanrix hexaIntramuscular injection, 3 doses. | Biological | Synflorix Vaccine Group |
| RotarixOral, 2 doses. | Biological | Synflorix Vaccine Group |
Primary outcome
Antibody Concentrations Against Pneumococcal Vaccine Serotypes
Time frame: One month after the administration of the 3rd vaccine dose i.e. Month 5
Concentrations were expressed as geometric mean concentration (GMC). The vaccine pneumococcal serotypes assessed include 1, 4, 5, 6B, 7F, 9V, 14, 18C, 19F, and 23F.
Antibody Concentrations Against Protein D
Time frame: One month after the administration of the 3rd vaccine dose i.e. Month 5
Concentrations were given as geometric mean concentration (GMC) expressed as enzyme-linked immuno-sorbent assay (ELISA) units per milliliter.
13 secondary outcomes
Opsonophagocytic Titer Against Pneumococcal Vaccine Serotypes
Time frame: One month after the administration of the 3rd vaccine dose i.e. Month 5
Number of Subjects With Anti-pneumococcal Vaccine Serotypes Antibody Concentrations Greater Than or Equal to 0.2 Microgram Per Milliliter
Time frame: One month after the administration of the 3rd vaccine dose i.e. Month 5
Antibody Concentrations Against Pneumococcal Cross-reactive Serotypes
Time frame: One month after the administration of the 3rd vaccine dose i.e. Month 5
Opsonophagocytic Titer Against Pneumococcal Cross-reactive Serotypes
Time frame: One month after the administration of the 3rd vaccine dose i.e. Month 5
Number of Subjects Seropositive Against Vaccine Pneumococcal Serotypes
Time frame: One month after the administration of the 3rd vaccine dose i.e. Month 5
Number of Subjects Seropositive for Opsonic Titer Against Vaccine Pneumococcal Serotypes
Time frame: One month after the administration of the 3rd vaccine dose i.e. Month 5
Number of Subjects Seropositive Against Cross-reactive Pneumococcal Serotypes
Time frame: One month after the administration of the 3rd vaccine dose i.e. Month 5
Number of Subjects Seropositive for Opsonic Titer Against Cross-reactive Pneumococcal Serotypes
Time frame: One month after the administration of the 3rd vaccine dose i.e. Month 5
Number of Subjects Seropositive for Anti-Protein D Antibodies
Time frame: One month after the administration of the 3rd vaccine dose i.e. Month 5
Number of Subjects Reporting Any and Grade 3 Solicited Local Adverse Events (AEs)
Time frame: Within 4 days following any vaccine dose
Number of Subjects Reporting Any, Grade 3 and Related Solicited General AEs
Time frame: Within 4 days following any vaccine dose
Number of Subjects Reporting Any Unsolicited AEs
Time frame: Within 31 days after any vaccine dose
Number of Subjects Reporting Any Serious Adverse Events (SAEs)
Time frame: Up to Month 5
Results and safety
Loading the posted results from ClinicalTrials.gov…
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 13 Jan 2020.
- Posted resultsParticipant flow, baseline, all outcome measures and adverse events.
- BackgroundRuiz-Palacios G et al. Immunogenicity, safety and reactogenicity of the new 10-valent pneumococcal non-typeable Haemophilus influenzae protein D-conjugate vaccine (PHiD-CV) in Mexican infants. Abstract presented at the XIII Congreso Latinoamericano de Infectología Pediátrica (SLIPE). Guayaquil, Ecuador, 12-15 August 2009.
- Background: PubMed 22048109Ruiz-Palacios GM, Guerrero ML, Hernandez-Delgado L, Lavalle-Villalobos A, Casas-Munoz A, Cervantes-Apolinar Y, Moreira M, Schuerman L. Immunogenicity, reactogenicity and safety of the 10-valent pneumococcal nontypeable Haemophilus influenzae protein D conjugate vaccine (PHiD-CV) in Mexican infants. Hum Vaccin. 2011 Nov;7(11):1137-45. doi: 10.4161/hv.7.11.17984. Epub 2011 Nov 1.
- BackgroundSchuerman L et al. Population variability in antibody responses following pneumococcal conjugate vaccination: experience with the non-typeable Haemophilus influenzae protein D conjugate vaccine (PHiD-CV). Abstract presented at the 7th International Symposium on Pneumococci and Pneumococcal Diseases (ISPPD). Tel Aviv, Israel, 14-18 March 2010.
- BackgroundSchuerman L et al. Population variability of opsonophagocytic activity following 10-valent pneumococcal non-typeable Haemophilus influenzae protein D conjugate (PHiD-CV) vaccination more limited than antibody responses. Abstract presented at the 7th International Symposium on Pneumococci and Pneumococcal Diseases (ISPPD). Tel Aviv, Israel, 14-18 March 2010.
- Background: PubMed 26954689Silfverdal SA, Coremans V, Francois N, Borys D, Cleerbout J. Safety profile of the 10-valent pneumococcal non-typeable Haemophilus influenzae protein D conjugate vaccine (PHiD-CV). Expert Rev Vaccines. 2017 Feb;16(2):109-121. doi: 10.1586/14760584.2016.1164044. Epub 2016 Sep 30.
- Researchers can use this site to request access to anonymised patient level data and/or supporting documents from clinical studies to conduct further research.Link provided by the sponsor.
- Individual participant dataSharing planned: Yes. IPD is available via the Clinical Study Data Request site (click on the link provided below).
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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.
GSK Clinical Trials study director
GlaxoSmithKline
2 sites in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 3 study testing Synflorix, Infanrix hexa and Rotarix in people with Infections, Streptococcal and Streptococcus Pneumoniae Vaccines, run by GlaxoSmithKline at 2 sites in Mexico.
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 5 inclusion and 15 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 13 Jan 2020. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 2 sites in Mexico. 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.
What does this phase mean?
Phase 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
Are results available for this study?
Yes. Results are posted in the registry (first posted 10 May 2012). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.
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?
Antibody Concentrations Against Pneumococcal Vaccine Serotypes (time frame: One month after the administration of the 3rd vaccine dose i.e. Month 5). The study lists 2 primary outcomes in all. 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 NCT00489554, which also lists 5 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 13 Jan 2020.