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Pneumococcal DiseasePhase 3NCT05633992

Safety and Immunogenicity of V116 in Vaccine-naïve Japanese Older Adults (V116-009, STRIDE-9)

A Phase 3 study testing V116 and PPSV23 in people with Pneumococcal Disease, run by Merck Sharp & Dohme LLC at 8 sites in Japan.

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

This is a phase 3, randomized, double-blind, active comparator-controlled study of the safety, tolerability, and immunogenicity of V116 in pneumococcal vaccine-naïve Japanese adults 65 years of age and older. The polyvalent (23-valent) pneumococcal vaccine, PPSV23, is the active comparator. Read more about this study

Who is it for?
Ages 65 years and olderHealthy volunteers can take part
Conditions the study is for
Pneumococcal Disease
What is being tested?
V116 and PPSV23
Could I receive a placebo?
No, everyone receives an active treatment
How many people
450 participants
Where
8 sitesJapan
Study dates
10 Jan 2023to 24 May 2023
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 65 years and older
  • All sexes
  • Healthy volunteers accepted
  • Older adult

Who may be able to join

  • Is Japanese
  • For females, is not pregnant or breastfeeding and is either not a participant of childbearing potential (POCBP) or is a POCBP and uses acceptable contraception/abstinence; has a negative highly sensitive pregnancy test (urine or serum) within 24 (urine) or 72 (serum) hours before the first dose of study intervention; and has medical, menstrual, and recent sexual activity history reviewed by the investigator to decrease the chance of inclusion of an early undetected pregnancy

Who cannot join

  • Has a history of invasive pneumococcal disease (IPD) [positive blood culture, positive cerebrospinal fluid culture, or positive culture at another sterile site] or known history of other culture-positive pneumococcal disease within 3 years of Visit 1 (Day 1)
  • Has a known hypersensitivity to any component of V116 or PPSV23, including diphtheria toxoid
  • Has a known or suspected impairment of immunological function including, but not limited to, a history of congenital or acquired immunodeficiency, documented human immunodeficiency virus (HIV) infection, functional or anatomic asplenia, or history of autoimmune disease
  • Has a coagulation disorder contraindicating IM vaccination
  • Had a recent febrile illness (defined as oral or tympanic temperature ≥100.4°F [≥38.0°C] or axillary or temporal temperature ≥99.4°F [≥37.4°C]) or received antibiotic therapy for any acute illness occurring <72 hours before receipt of study vaccine
  • Has a known malignancy that is progressing or has required active treatment <3 years before enrollment
Show all 12Show fewer
  • Received prior pneumococcal vaccine or is expected to receive any pneumococcal vaccine during the study outside the protocol
  • Received systemic corticosteroids (prednisone equivalent of ≥20 mg/day) for ≥14 consecutive days and has not completed intervention ≥14 days before receipt of study vaccine
  • Is currently receiving immunosuppressive therapy, including chemotherapeutic agents or other immunotherapies/immunomodulators used to treat cancer or other conditions, and interventions associated with organ or bone marrow transplantation, or autoimmune disease
  • Received any nonlive vaccine ≤14 days before receipt of study vaccine or is scheduled to receive any nonlive vaccine ≤30 days after receipt of study vaccine (inactivated influenza and SARS-CoV2 vaccines may be acceptable)
  • Received any live virus vaccine ≤30 days before receipt of study vaccine or is scheduled to receive any live virus vaccine ≤30 days after receipt of study vaccine
  • Received a blood transfusion or blood products, including immunoglobulin ≤6 months before receipt of study vaccine or is scheduled to receive a blood transfusion or blood product until the Day 30 postvaccination blood draw is complete

Trial locations and contacts

8 sites in 1 country.

8 sites in 1 country

Japan8 sites
  • PS Clinic ( Site 1002)

    Fukuoka, 812-0025

  • P-One Clinic ( Site 1001)

    Hachiōji, Tokyo, 192-0071

  • Nishikumamoto Hospital ( Site 1007)

    Kumamoto, 861-4157

  • Medical Corporation Heishinkai OPHAC Hospital ( Site 1008)

    Osaka, Osaka, 532-0003

  • Heishinkai Medical Group ToCROM Clinic ( Site 1004)

    Shinjuku-ku, Tokyo, 160-0008

  • Medical Corporation Shinanokai Shinanozaka Clinic ( Site 1006)

    Shinjuku-ku, Tokyo, 160-0017

  • Medical Corporation Heishinkai OCROM Clinic ( Site 1003)

    Suita-shi, Osaka, 565-0853

  • Medical Corporation Houeikai Sekino Clinical Pharmacology Clinic ( Site 1005)

    Toshima City, Tokyo, 171-0014

Other trials in Japan

About this study

Official title: A Phase 3, Randomized, Double-blind, Active Comparator-controlled Clinical Study to Evaluate the Safety, Tolerability, and Immunogenicity of V116 in Pneumococcal Vaccine-naïve Japanese Adults 65 Years of Age or Older

This is a phase 3, randomized, double-blind, active comparator-controlled study of the safety, tolerability, and immunogenicity of V116 in pneumococcal vaccine-naïve Japanese adults 65 years of age and older. The polyvalent (23-valent) pneumococcal vaccine, PPSV23, is the active comparator. In addition to studying safety/tolerability, it is hypothesized that, at 30 days postvaccination, the immunogenicity of V116 is noninferior to PPSV23 for the 12 common serotypes in V116 and PPSV23 and the cross-reactive serotype 15B in V116, and that the immunogenicity of V116 is superior to PPSV23 for the unique serotype 15C in V116. It is also hypothesized that V116 is superior to PPSV23 in the percentage of participants with ≥4-fold rise from baseline in the 8 unique V116 serotypes (except for 15C), as measured by serotype-specific opsonophagocytic activity (OPA) geometric mean titers (GMTs).

Being tested
V116, PPSV23
Medical subject headings
Pneumococcal Infections

What participants receive

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

  • V116Biological

    Also called Pneumococcal 21-valent Conjugate Vaccine

    Sterile 0.5 mL solution in prefilled syringe containing 4 μg of each pneumococcal polysaccharide (PnPs) antigen 3, 6A, 7F, 8, 9N, 10A, 11A, 12F, 15A, 15C, 16F, 17F, 19A, 20A, 22F, 23A, 23B, 24F, 31, 33F, and 35B.

  • PPSV23Biological

    Also called PNEUMOVAX™23

    Sterile 0.5 mL solution in prefilled syringe containing 25 μg of each PnPs antigen 1, 2, 3, 4, 5, 6B, 7F, 8, 9N, 9V, 10A, 11A, 12F, 14, 15B, 17F, 18C, 19A, 19F, 20, 22F, 23F, and 33F.

Study groups in NCT05633992
Study groupRoleWhat they receive
V116ExperimentalParticipants receive a single intramuscular (IM) injection of V116 on Day 1.
Receives: Biological: V116
PPSV23Active comparatorParticipants receive a single IM injection of PPSV23 on Day 1.
Receives: Biological: PPSV23

What is being measured

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

  1. Percentage of Participants With Solicited Injection-site Adverse Events (AEs)

    An AE is any untoward medical occurrence in a clinical study participant, temporally associated with the use of study intervention, whether or not considered related to the study intervention. The solicited injection-site AEs assessed were redness/erythema, swelling, and tenderness/pain.

    Measured: Up to 5 days postvaccination

  2. Percentage of Participants With Solicited Systemic AEs

    An AE is any untoward medical occurrence in a clinical study participant, temporally associated with the use of study intervention, whether or not considered related to the study intervention. The solicited systemic AEs were muscle pain/myalgia, headache, and tiredness/fatigue.

    Measured: Up to 5 days postvaccination

  3. Percentage of Participants With Vaccine-related Serious AEs (SAEs)

    An SAE is any untoward medical occurrence that results in death, is life-threatening, requires inpatient hospitalization or prolongs existing hospitalization, results in persistent or significant disability/incapacity, is a congenital anomaly/birth defect, or is another important medical event. SAEs that were reported to be at least possibly related by the investigator to study vaccination were summarized.

    Measured: Up to 30 days postvaccination

  4. Serotype-specific Opsonophagocytic Activity (OPA) Geometric Mean Titers (GMTs)

    The serotype-specific OPA GMTs for the 12 common serotypes contained in V116 and PPSV23, the unique serotype 15C in V116, and the cross-reactive serotype 15B were determined using the multiplex opsonophagocytic assay (MOPA).

    Measured: Day 30 postvaccination

  5. Percentage of Participants With ≥4-fold Rise From Baseline in Serotype-specific OPAs (Unique to V116)

    The percentage of participants with ≥4-fold rise from baseline in serotype-specific OPAs for the 8 unique serotypes contained in V116 (except for 15C) were determined.

    Measured: Baseline (Day 1) and Day 30 postvaccination

Secondary outcomes (6)
  1. Serotype-specific OPA GMTs (Unique Serotypes)

    The serotype-specific OPA GMTs for the 8 unique serotypes contained in V116 (except for serotype 15C) and the cross-reactive serotype 6C in V116 were determined using MOPA.

    Measured: Day 30 postvaccination

  2. Serotype-specific Immunoglobulin G (IgG) Geometric Mean Concentrations (GMCs)

    The GMCs for serotype-specific IgG antibodies were determined using pneumococcal electrochemiluminescence (PnECL).

    Measured: Day 30 postvaccination

  3. Serotype-specific Geometric Mean Fold Rise (GMFR) in OPA GMT

    The GMFR from baseline in serotype-specific OPA GMTs was determined using MOPA. GMFR is defined as the geometric mean of the ratio of concentration at Day 30 after vaccination divided by concentration at baseline.

    Measured: Baseline (Day 1) and Day 30 postvaccination

  4. Serotype-specific GMFR in IgG GMCs

    The GMFR from baseline in GMCs for serotype-specific IgG antibodies was determined using PnECL. GMFR is defined as the geometric mean of the ratio of concentration at Day 30 after vaccination divided by concentration at baseline.

    Measured: Baseline (Day 1) and Day 30 postvaccination

  5. Percentage of Participants With ≥4-fold Rise From Baseline in Serotype-specific OPA GMTs (All Serotypes)

    Activity for the serotypes contained in V116 and PPSV23 were determined using MOPA. The percentage of participants who had ≥4-fold rise in OPA titers were calculated from baseline to postvaccination.

    Measured: Baseline (Day 1) and Day 30 postvaccination

  6. Percentage of Participants With ≥4-fold Rise From Baseline in Serotype-specific IgG GMCs (All Serotypes)

    Activity for the serotypes contained in V116 and PPSV23 were determined using PnECL. The percentage of participants who had ≥4-fold rise in IgG titers were calculated from baseline to postvaccination.

    Measured: Baseline (Day 1) and Day 30 postvaccination

Timeline

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

  1. First posted1 Dec 2022
  2. Study start10 Jan 2023
  3. Primary completion24 May 2023
  4. Study completion24 May 2023

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
450 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05633992
Sponsor's protocol ID
V116-009
Other IDs
jRCT2031220551
Status last verified
Sep 2024
First submitted
21 Nov 2022
Last updated
2 Oct 2024
Data monitoring committee
No
FDA-regulated drug
Yes
FDA-regulated device
No
Individual data sharing
Yes: http://engagezone.msd.com/doc/ProcedureAccessClinicalTrialData.pdf

Publications

  • Kishino H, Inoue S, Matsuoka O, Yagi M, Igarashi R, Oshima N, Sawata M, Platt HL. A phase 3 randomized trial (STRIDE-9) to evaluate the safety, tolerability, and immunogenicity of V116, a population-specific pneumococcal conjugate vaccine, in pneumococcal vaccine-naive Japanese adults >/=65 years of age. Vaccine. 2025 Aug 30;62:127456. doi: 10.1016/j.vaccine.2025.127456. Epub 2025 Aug 5.

    PubMed 40763490

Questions about this trial

What is this clinical trial studying?

A Phase 3 study testing V116 and PPSV23 in people with Pneumococcal Disease, run by Merck Sharp & Dohme LLC at 8 sites in Japan.

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 2 inclusion and 12 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 2 Oct 2024. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 8 sites in Japan. 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 30 May 2024). 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?

Percentage of Participants With Solicited Injection-site Adverse Events (AEs) (time frame: Up to 5 days postvaccination). The study lists 5 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 NCT05633992, 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 2 Oct 2024; AzTrials last refreshed its copy on 8 Nov 2026.

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