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Pneumococcal InfectionsPhase 3NCT02451969

Safety and Immunogenicity Study of 23-valent Pneumococcal Polysaccharide Vaccine in Healthy Children, Adults and Elderly

A Phase 3 study testing investigational 23-valent PPV in people with Pneumococcal Infections, run by Sinovac Biotech Co., Ltd at 1 site in China.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The purpose of this study is to evaluate the immunogenicity and safety of an investigational 23-valent pneumococcal polysaccharide vaccine (PPV) in healthy children, adults and elderly. The control vaccine is a commercialized 23-valent PPV. Read more about this study

Who is it for?
Ages 2 years and olderHealthy volunteers can take part
Conditions the study is for
Pneumococcal Infections
What is being tested?
investigational 23-valent PPV
Could I receive a placebo?
No, everyone receives an active treatment
How many people
1,760 participants
Where
1 siteChina
Study dates
Apr 2015to Feb 2017
Phase
Phase 3
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 2 years and older
  • All sexes
  • Healthy volunteers accepted
  • Child, Adult, Older adult

Who may be able to join

  • Healthy volunteer ≥ 2 years old;
  • Proven legal identity;
  • Written consent of the guardian of participants < 18 years old, and written consent of the participant ≥ 12 years old;
  • Complying with the requirement of the study protocol;

Who cannot join

  • Prior vaccination with pneumococcal vaccine;
  • History of bacterial pneumonia within 3 years prior to this study;
  • Pregnant, breast feeding, or women expected to conceive within 60 days after vaccination;
  • History of allergy to any vaccine or vaccine ingredient;
  • Receipt of any of the following products:
  • Blood product within 3 months prior to study entry;
Show all 19Show fewer
  • Any live attenuated vaccine within 28 days prior to study entry;
  • Any subunit vaccine or inactivated vaccine within 14 days prior to study entry;
  • Any immunosuppressant within 6 month prior to study entry;
  • Congenital malformation, developmental disorders, serious chronic diseases, autoimmune disease, immunodeficiency, serious cardiovascular disease, diabetes, hypertension that cannot be stabilized by medication, liver or kidney disease, or malignant tumor;
  • History of asthma, thyroidectomy, angioneurotic edema, severe nervous system disease or mental illness; without spleen or splenectomy; diagnosed coagulation function abnormal (e.g., coagulation factor deficiency, coagulation disorder, or platelet abnormalities), or obvious bruising or coagulation disorders;
  • Acute disease or acute stage of chronic disease within 7 days prior to study entry;
  • Axillaty temperature > 37.0 °C;
  • Any other factor that in the opinion of the investigator suggesting the volunteer is unsuitable for this study;
  • Participants with the following conditions from day 0 - 28 would be included in the full analysis set (FAS), but would be excluded from the per protocol set (PPS):
  • Receipt of any other investigational or unregistered product (drug or vaccine);
  • Receipt of immunosuppressant (corticosteroid dosage that equivalent to or above 0.5 mg prednisone/kg weight/day) for > 14 days, except for inhalant or locally administrated corticosteroid;
  • Receipt of immunoglobulin and/or blood product;
  • Newly diagnosed autoimmune disease or immunodeficiency (e.g., HIV infection);

Trial locations and contacts

1 site in 1 country.

China1 site
  • Kaifeng County Center for Disease Control and Prevention

    Kaifeng, Henan, 475100

Other trials in China

About this study

Official title: Phase III Safety and Immunogenicity Study of 23-valent Pneumococcal Polysaccharide Vaccine: A Double-blind, Randomized and Controlled Clinical Trial With 23-valent Pneumococcal Polysaccharide Vaccine in Healthy Children, Adults, and Elderly

The purpose of this study is to evaluate the immunogenicity and safety of an investigational 23-valent pneumococcal polysaccharide vaccine (PPV) in healthy children, adults and elderly. The control vaccine is a commercialized 23-valent PPV.

Read the detailed description

This study is a randomized, double-blind, single-center, controlled phase III clinical trial. The purpose of this study is to evaluate the immunogenicity and safety of an investigational 23-valent pneumococcal polysaccharide vaccine (PPV) manufactured by Sinovac Biotech Co., Ltd. The primary objective of this study is to demonstrate that the immunogenicity of the investigational vaccine is non-inferior to that of a commercialized 23-valent PPV manufactured by Chengdu Institute of Biological products Co., Ltd.; the secondary objective is to assess the safety of the investigational and control vaccines. Participants will be grouped into three cohorts by age: child cohort (2 - 17 years old), adult cohort (18 - 60 years old) and elderly cohort (≥ 61 years old). In each cohort, the participants will be randomly assigned into experimental group or control group in the ratio 1:1.

Being tested
investigational 23-valent PPV, control 23-valent PPV
Medical subject headings
Pneumococcal Infections

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • investigational 23-valent PPVBiological

    The investigational vaccine was manufactured by Sinovac Biotech Co., Ltd.

  • control 23-valent PPVBiological

    The control vaccine was manufactured by Chengdu Institute of Biological products Co., Ltd.

Study groups in NCT02451969
Study groupRoleWhat they receive
Experimental GroupExperimental* Single intramuscular injection of the investigational vaccine (0.5 ml) on Day 0 * Intervention: investigational 23-valent PPV
Receives: Biological: investigational 23-valent PPV
Control GroupActive comparator* Single intramuscular injection of the control vaccine (0.5 ml) on Day 0 * Intervention: control 23-valent PPV
Receives: Biological: control 23-valent PPV

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. The seroconversion rates (SCR) of each of the 23 pneumococcal serotypes

    For each serotype, the SCR is the percentage of participants with the increase of relative antibody concentration ≥ 2 folds after vaccination. The relative antibody concentrations were measured using Enzyme Linked Immunosorbent Assay (ELISA).

    Measured: 28 days

Secondary outcomes (2)
  1. The incidences of adverse events (AEs)

    After each injection, a 30-minute safety observation was conducted immediately. The body temperature, occurrence of solicited local and general AEs on day 0 - 7 were reported. Unsolicited AEs occurred during day 0 - 28 were also reported. Each AE case was reviewed by the investigator to determine whether or not it was an adverse reaction (related to the vaccination).

    Measured: 28 days

  2. The increases of relative antibody concentration against each of the 23 pneumococcal serotypes

    The relative antibody concentrations in the pre- and post-immunization serum samples were measured using ELISA.

    Measured: 28 days

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted22 May 2015 (estimated)
  2. Study startApr 2015
  3. Primary completionJun 2015
  4. Study completionFeb 2017

Resources

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
Randomised
Intervention model
Parallel groups
Masking
Double blind
Who is masked
Participant, Investigator
Enrolment
1,760 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02451969
Sponsor's protocol ID
PRO-PPV-3001
Status last verified
Jul 2015
First submitted
20 May 2015
Last updated
3 May 2017
Results posted
No
Data monitoring committee
No
Individual data sharing
No

Publications

  • Huang L, Wang L, Li H, Hu Y, Ru W, Han W, Shi G, Ye Q, Han Z, Xia J, Xia S, Xu M, Li J. A phase III clinical trial to evaluate the safety and immunogenicity of 23-valent pneumococcal polysaccharide vaccine (PPV23) in healthy children, adults, and elderly. Hum Vaccin Immunother. 2019;15(1):249-255. doi: 10.1080/21645515.2018.1509648. Epub 2018 Sep 21.

    PubMed 30215583

Questions about this trial

What is this clinical trial studying?

A Phase 3 study testing investigational 23-valent PPV in people with Pneumococcal Infections, run by Sinovac Biotech Co., Ltd at 1 site in China.

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 4 inclusion and 19 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 3 May 2017. 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 China. 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?

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?

The seroconversion rates (SCR) of each of the 23 pneumococcal serotypes (time frame: 28 days). 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 NCT02451969, which also lists 1 linked publication.

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 3 May 2017.

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