Trial Outcomes & Findings for Revaccination With PNEUMOVAX™ 23 in Older Japanese Adults (V110-902) (NCT NCT02260882)

NCT ID: NCT02260882

Last Updated: 2018-10-30

Results Overview

Serum antibodies to pneumococcal serotypes were measured by enzyme-linked immunosorbent assays. Geometric mean antibody concentrations (GMCs) were calculated at Baseline and 4 weeks postvaccination. Geometric Mean Fold Rise was the GMC at 4 weeks after vaccination minus the GMC at Baseline.

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

243 participants

Primary outcome timeframe

Baseline and 4 weeks after revaccination

Results posted on

2018-10-30

Participant Flow

Depending on prior history of Pneumovax™ 23 vaccination, 161 participants with a history of prior Pneumovax™ 23 vaccination were enrolled into the Revaccination group and 82 participants without a history of prior Pneumovax™ vaccination were enrolled into the Primary vaccination group.

Participant milestones

Participant milestones
Measure
Revaccination Group
0.5 mL intramuscular injection (deltoid or lateral mid-thigh) of PNEUMOVAX™ 23 vaccine on Day 1 for participants who received an initial vaccination at least 5 years prior.
Primary Vaccination Group
0.5 mL intramuscular injection (deltoid or lateral mid-thigh) of PNEUMOVAX™ 23 vaccine on Day 1 for participants who have never received PNEUMOVAX™ 23 vaccination.
Overall Study
STARTED
161
82
Overall Study
COMPLETED
161
81
Overall Study
NOT COMPLETED
0
1

Reasons for withdrawal

Reasons for withdrawal
Measure
Revaccination Group
0.5 mL intramuscular injection (deltoid or lateral mid-thigh) of PNEUMOVAX™ 23 vaccine on Day 1 for participants who received an initial vaccination at least 5 years prior.
Primary Vaccination Group
0.5 mL intramuscular injection (deltoid or lateral mid-thigh) of PNEUMOVAX™ 23 vaccine on Day 1 for participants who have never received PNEUMOVAX™ 23 vaccination.
Overall Study
Protocol Violation
0
1

Baseline Characteristics

Revaccination With PNEUMOVAX™ 23 in Older Japanese Adults (V110-902)

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Revaccination Group
n=161 Participants
0.5 mL intramuscular injection (deltoid or lateral mid-thigh) of PNEUMOVAX™ 23 vaccine on Day 1 for participants who received an initial vaccination at least 5 years prior.
Primary Vaccination Group
n=81 Participants
0.5 mL intramuscular injection (deltoid or lateral mid-thigh) of PNEUMOVAX™ 23 vaccine on Day 1 for participants who have never received PNEUMOVAX™ 23 vaccination.
Total
n=242 Participants
Total of all reporting groups
Age, Continuous
78.8 Years
STANDARD_DEVIATION 4.8 • n=93 Participants
78.2 Years
STANDARD_DEVIATION 5.0 • n=4 Participants
78.6 Years
STANDARD_DEVIATION 4.8 • n=27 Participants
Sex: Female, Male
Female
94 Participants
n=93 Participants
46 Participants
n=4 Participants
140 Participants
n=27 Participants
Sex: Female, Male
Male
67 Participants
n=93 Participants
35 Participants
n=4 Participants
102 Participants
n=27 Participants

PRIMARY outcome

Timeframe: Baseline and 4 weeks after revaccination

Population: Per Protocol Set: all participants in the Revaccination Group except those with a protocol deviation, including those with blood collection outside the protocol-specified window.

Serum antibodies to pneumococcal serotypes were measured by enzyme-linked immunosorbent assays. Geometric mean antibody concentrations (GMCs) were calculated at Baseline and 4 weeks postvaccination. Geometric Mean Fold Rise was the GMC at 4 weeks after vaccination minus the GMC at Baseline.

Outcome measures

Outcome measures
Measure
Revaccination Group
n=161 Participants
0.5 mL intramuscular injection (deltoid or lateral mid-thigh) of PNEUMOVAX™ 23 vaccine on Day 1 for participants who received an initial vaccination at least 5 years prior.
Primary Vaccination Group
0.5 mL intramuscular injection (deltoid or lateral mid-thigh) of PNEUMOVAX™ 23 vaccine on Day 1 for participants who have never received PNEUMOVAX™ 23 vaccination.
Change From Baseline in Serotype-Specific Antibody Geometric Mean Concentration at 4 Weeks After Revaccination
Serotype 3: n=161
2.72 Geometric Mean Fold Rise
Interval 2.35 to 3.14
Change From Baseline in Serotype-Specific Antibody Geometric Mean Concentration at 4 Weeks After Revaccination
Serotype 6B: n=161
2.27 Geometric Mean Fold Rise
Interval 2.02 to 2.55
Change From Baseline in Serotype-Specific Antibody Geometric Mean Concentration at 4 Weeks After Revaccination
Serotype 23F: n=160
2.40 Geometric Mean Fold Rise
Interval 2.12 to 2.72

SECONDARY outcome

Timeframe: Baseline and 4 weeks after primary vaccination

Population: Per Protocol Set: all participants in the Primary Vaccination Group except those with a protocol deviation, including those with blood collection outside the protocol-specified window

Serum antibodies to pneumococcal serotypes were measured by enzyme-linked immunosorbent assays. Geometric mean antibody concentrations (GMCs) were calculated at Baseline and 4 weeks postvaccination. Geometric Mean Fold Rise was the GMC at 4 weeks after vaccination minus the GMC at Baseline.

Outcome measures

Outcome measures
Measure
Revaccination Group
n=81 Participants
0.5 mL intramuscular injection (deltoid or lateral mid-thigh) of PNEUMOVAX™ 23 vaccine on Day 1 for participants who received an initial vaccination at least 5 years prior.
Primary Vaccination Group
0.5 mL intramuscular injection (deltoid or lateral mid-thigh) of PNEUMOVAX™ 23 vaccine on Day 1 for participants who have never received PNEUMOVAX™ 23 vaccination.
Change From Baseline in Serotype-Specific Antibody Geometric Mean Concentration at 4 Weeks After Primary Vaccination
Serotype 3
4.01 Geometric Mean Fold Rise
Interval 3.17 to 5.08
Change From Baseline in Serotype-Specific Antibody Geometric Mean Concentration at 4 Weeks After Primary Vaccination
Serotype 6B
5.83 Geometric Mean Fold Rise
Interval 4.41 to 7.69
Change From Baseline in Serotype-Specific Antibody Geometric Mean Concentration at 4 Weeks After Primary Vaccination
Serotype 23F
6.11 Geometric Mean Fold Rise
Interval 4.65 to 8.02

SECONDARY outcome

Timeframe: Up to 5 days after vaccination

Population: All Subjects as Treated set: all participants who received study vaccine.

An adverse event is any untoward medical occurrence in a patient or clinical investigation subject administered a pharmaceutical product and which does not necessarily have to have a causal relationship with this treatment. An adverse event can therefore be any unfavorable and unintended sign symptom, or disease temporally associated with the use of a medicinal product, whether or not considered related to this medicinal product. Percentage of participants with an adverse event of injection-site erythema recorded on the Vaccine Report Card (VRC) during the first 5 days after vaccination was recorded.

Outcome measures

Outcome measures
Measure
Revaccination Group
n=161 Participants
0.5 mL intramuscular injection (deltoid or lateral mid-thigh) of PNEUMOVAX™ 23 vaccine on Day 1 for participants who received an initial vaccination at least 5 years prior.
Primary Vaccination Group
n=81 Participants
0.5 mL intramuscular injection (deltoid or lateral mid-thigh) of PNEUMOVAX™ 23 vaccine on Day 1 for participants who have never received PNEUMOVAX™ 23 vaccination.
Percentage of Participants With an Adverse Event of Injection-site Erythema
35.4 Percentage of participants
14.8 Percentage of participants

SECONDARY outcome

Timeframe: Up to 5 days after vaccination

Population: All Subjects as Treated set: all participants who received study vaccine.

An adverse event is any untoward medical occurrence in a patient or clinical investigation subject administered a pharmaceutical product and which does not necessarily have to have a causal relationship with this treatment. An adverse event can therefore be any unfavorable and unintended sign symptom, or disease temporally associated with the use of a medicinal product, whether or not considered related to this medicinal product. Percentage of participants with an adverse event of injection-site swelling recorded on the VRC during the first 5 days after vaccination was recorded.

Outcome measures

Outcome measures
Measure
Revaccination Group
n=161 Participants
0.5 mL intramuscular injection (deltoid or lateral mid-thigh) of PNEUMOVAX™ 23 vaccine on Day 1 for participants who received an initial vaccination at least 5 years prior.
Primary Vaccination Group
n=81 Participants
0.5 mL intramuscular injection (deltoid or lateral mid-thigh) of PNEUMOVAX™ 23 vaccine on Day 1 for participants who have never received PNEUMOVAX™ 23 vaccination.
Percentage of Participants With an Adverse Event of Injection-site Swelling
38.5 Percentage of participants
17.3 Percentage of participants

SECONDARY outcome

Timeframe: Up to 5 days after vaccination

Population: All Subjects as Treated set: all participants who received study vaccine.

An adverse event is any untoward medical occurrence in a patient or clinical investigation subject administered a pharmaceutical product and which does not necessarily have to have a causal relationship with this treatment. An adverse event can therefore be any unfavorable and unintended sign symptom, or disease temporally associated with the use of a medicinal product, whether or not considered related to this medicinal product. Percentage of participants with an adverse event of injection-site pain recorded on the VRC during the first 5 days after vaccination was recorded.

Outcome measures

Outcome measures
Measure
Revaccination Group
n=161 Participants
0.5 mL intramuscular injection (deltoid or lateral mid-thigh) of PNEUMOVAX™ 23 vaccine on Day 1 for participants who received an initial vaccination at least 5 years prior.
Primary Vaccination Group
n=81 Participants
0.5 mL intramuscular injection (deltoid or lateral mid-thigh) of PNEUMOVAX™ 23 vaccine on Day 1 for participants who have never received PNEUMOVAX™ 23 vaccination.
Percentage of Participants With an Adverse Event of Injection-site Pain
62.7 Percentage of participants
46.9 Percentage of participants

SECONDARY outcome

Timeframe: Up to 5 days after vaccination

Population: All Subjects as Treated set: all participants who received study vaccine.

Percentage of participants with an adverse event of pyrexia (\>=37.5°C, oral) recorded on the VRC during the first 5 days after vaccination was recorded.

Outcome measures

Outcome measures
Measure
Revaccination Group
n=161 Participants
0.5 mL intramuscular injection (deltoid or lateral mid-thigh) of PNEUMOVAX™ 23 vaccine on Day 1 for participants who received an initial vaccination at least 5 years prior.
Primary Vaccination Group
n=81 Participants
0.5 mL intramuscular injection (deltoid or lateral mid-thigh) of PNEUMOVAX™ 23 vaccine on Day 1 for participants who have never received PNEUMOVAX™ 23 vaccination.
Percentage of Participants With an Adverse Event of Pyrexia
6.8 Percentage of participants
1.2 Percentage of participants

SECONDARY outcome

Timeframe: Up to 14 days after vaccination

Population: All Subjects as Treated set: all participants who received study vaccine.

An adverse event is any untoward medical occurrence in a patient or clinical investigation subject administered a pharmaceutical product and which does not necessarily have to have a causal relationship with this treatment. An adverse event can therefore be any unfavorable and unintended sign symptom, or disease temporally associated with the use of a medicinal product, whether or not considered related to this medicinal product. Percentage of participants with an adverse event of myalgia recorded on the VRC during the first 14 days after vaccination was recorded.

Outcome measures

Outcome measures
Measure
Revaccination Group
n=161 Participants
0.5 mL intramuscular injection (deltoid or lateral mid-thigh) of PNEUMOVAX™ 23 vaccine on Day 1 for participants who received an initial vaccination at least 5 years prior.
Primary Vaccination Group
n=81 Participants
0.5 mL intramuscular injection (deltoid or lateral mid-thigh) of PNEUMOVAX™ 23 vaccine on Day 1 for participants who have never received PNEUMOVAX™ 23 vaccination.
Percentage of Participants With an Adverse Event of Myalgia
0.0 Percentage of participants
0.0 Percentage of participants

SECONDARY outcome

Timeframe: Up to 14 days after vaccination

Population: All Subjects as Treated set: all participants who received study vaccine.

An adverse event is any untoward medical occurrence in a patient or clinical investigation subject administered a pharmaceutical product and which does not necessarily have to have a causal relationship with this treatment. An adverse event can therefore be any unfavorable and unintended sign symptom, or disease temporally associated with the use of a medicinal product, whether or not considered related to this medicinal product. Percentage of participants with an adverse event of arthralgia recorded on the VRC during the first 14 days after vaccination was recorded.

Outcome measures

Outcome measures
Measure
Revaccination Group
n=161 Participants
0.5 mL intramuscular injection (deltoid or lateral mid-thigh) of PNEUMOVAX™ 23 vaccine on Day 1 for participants who received an initial vaccination at least 5 years prior.
Primary Vaccination Group
n=81 Participants
0.5 mL intramuscular injection (deltoid or lateral mid-thigh) of PNEUMOVAX™ 23 vaccine on Day 1 for participants who have never received PNEUMOVAX™ 23 vaccination.
Percentage of Participants With an Adverse Event of Arthralgia
0.0 Percentage of participants
0.0 Percentage of participants

SECONDARY outcome

Timeframe: Up to 14 days after vaccination

Population: All Subjects as Treated set: all participants who received study vaccine.

An adverse event is any untoward medical occurrence in a patient or clinical investigation subject administered a pharmaceutical product and which does not necessarily have to have a causal relationship with this treatment. An adverse event can therefore be any unfavorable and unintended sign symptom, or disease temporally associated with the use of a medicinal product, whether or not considered related to this medicinal product. Percentage of participants with an adverse event of headache recorded on the VRC during the first 14 days after vaccination was recorded.

Outcome measures

Outcome measures
Measure
Revaccination Group
n=161 Participants
0.5 mL intramuscular injection (deltoid or lateral mid-thigh) of PNEUMOVAX™ 23 vaccine on Day 1 for participants who received an initial vaccination at least 5 years prior.
Primary Vaccination Group
n=81 Participants
0.5 mL intramuscular injection (deltoid or lateral mid-thigh) of PNEUMOVAX™ 23 vaccine on Day 1 for participants who have never received PNEUMOVAX™ 23 vaccination.
Percentage of Participants With an Adverse Event of Headache
1.9 Percentage of participants
1.2 Percentage of participants

SECONDARY outcome

Timeframe: Up to 14 days after vaccination

Population: All Subjects as Treated set: all participants who received study vaccine.

An adverse event is any untoward medical occurrence in a patient or clinical investigation subject administered a pharmaceutical product and which does not necessarily have to have a causal relationship with this treatment. An adverse event can therefore be any unfavorable and unintended sign symptom, or disease temporally associated with the use of a medicinal product, whether or not considered related to this medicinal product. Percentage of participants with an adverse event of fatigue recorded on the VRC during the first 14 days after vaccination was recorded.

Outcome measures

Outcome measures
Measure
Revaccination Group
n=161 Participants
0.5 mL intramuscular injection (deltoid or lateral mid-thigh) of PNEUMOVAX™ 23 vaccine on Day 1 for participants who received an initial vaccination at least 5 years prior.
Primary Vaccination Group
n=81 Participants
0.5 mL intramuscular injection (deltoid or lateral mid-thigh) of PNEUMOVAX™ 23 vaccine on Day 1 for participants who have never received PNEUMOVAX™ 23 vaccination.
Percentage of Participants With an Adverse Event of Fatigue
1.2 Percentage of participants
0.0 Percentage of participants

Adverse Events

Revaccination Group

Serious events: 4 serious events
Other events: 113 other events
Deaths: 0 deaths

Primary Vaccination Group

Serious events: 0 serious events
Other events: 41 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Revaccination Group
n=161 participants at risk
0.5 mL intramuscular injection (deltoid or lateral mid-thigh) of PNEUMOVAX™ 23 vaccine on Day 1 for participants who received an initial vaccination at least 5 years prior.
Primary Vaccination Group
n=81 participants at risk
0.5 mL intramuscular injection (deltoid or lateral mid-thigh) of PNEUMOVAX™ 23 vaccine on Day 1 for participants who have never received PNEUMOVAX™ 23 vaccination.
General disorders
Pyrexia
0.62%
1/161 • Number of events 1 • All adverse events: up to 14 days after vaccination; deaths and vaccine-related serious adverse events: up to 36 days after vaccination
0.00%
0/81 • All adverse events: up to 14 days after vaccination; deaths and vaccine-related serious adverse events: up to 36 days after vaccination
Infections and infestations
Herpes virus infection
0.62%
1/161 • Number of events 1 • All adverse events: up to 14 days after vaccination; deaths and vaccine-related serious adverse events: up to 36 days after vaccination
0.00%
0/81 • All adverse events: up to 14 days after vaccination; deaths and vaccine-related serious adverse events: up to 36 days after vaccination
Injury, poisoning and procedural complications
Femoral neck fracture
0.62%
1/161 • Number of events 1 • All adverse events: up to 14 days after vaccination; deaths and vaccine-related serious adverse events: up to 36 days after vaccination
0.00%
0/81 • All adverse events: up to 14 days after vaccination; deaths and vaccine-related serious adverse events: up to 36 days after vaccination
Respiratory, thoracic and mediastinal disorders
Bronchitis chronic
0.62%
1/161 • Number of events 1 • All adverse events: up to 14 days after vaccination; deaths and vaccine-related serious adverse events: up to 36 days after vaccination
0.00%
0/81 • All adverse events: up to 14 days after vaccination; deaths and vaccine-related serious adverse events: up to 36 days after vaccination

Other adverse events

Other adverse events
Measure
Revaccination Group
n=161 participants at risk
0.5 mL intramuscular injection (deltoid or lateral mid-thigh) of PNEUMOVAX™ 23 vaccine on Day 1 for participants who received an initial vaccination at least 5 years prior.
Primary Vaccination Group
n=81 participants at risk
0.5 mL intramuscular injection (deltoid or lateral mid-thigh) of PNEUMOVAX™ 23 vaccine on Day 1 for participants who have never received PNEUMOVAX™ 23 vaccination.
General disorders
Injection-site erythema
35.4%
57/161 • Number of events 57 • All adverse events: up to 14 days after vaccination; deaths and vaccine-related serious adverse events: up to 36 days after vaccination
14.8%
12/81 • Number of events 12 • All adverse events: up to 14 days after vaccination; deaths and vaccine-related serious adverse events: up to 36 days after vaccination
General disorders
Injection-site pain
62.7%
101/161 • Number of events 102 • All adverse events: up to 14 days after vaccination; deaths and vaccine-related serious adverse events: up to 36 days after vaccination
46.9%
38/81 • Number of events 38 • All adverse events: up to 14 days after vaccination; deaths and vaccine-related serious adverse events: up to 36 days after vaccination
General disorders
Injection-site pruritus
6.8%
11/161 • Number of events 11 • All adverse events: up to 14 days after vaccination; deaths and vaccine-related serious adverse events: up to 36 days after vaccination
2.5%
2/81 • Number of events 2 • All adverse events: up to 14 days after vaccination; deaths and vaccine-related serious adverse events: up to 36 days after vaccination
General disorders
Injection-site swelling
38.5%
62/161 • Number of events 62 • All adverse events: up to 14 days after vaccination; deaths and vaccine-related serious adverse events: up to 36 days after vaccination
17.3%
14/81 • Number of events 14 • All adverse events: up to 14 days after vaccination; deaths and vaccine-related serious adverse events: up to 36 days after vaccination
General disorders
Pyrexia
6.8%
11/161 • Number of events 11 • All adverse events: up to 14 days after vaccination; deaths and vaccine-related serious adverse events: up to 36 days after vaccination
1.2%
1/81 • Number of events 1 • All adverse events: up to 14 days after vaccination; deaths and vaccine-related serious adverse events: up to 36 days after vaccination

Additional Information

Senior Vice President, Global Clinical Development

Merck Sharp & Dohme Corp.

Phone: 1-800-672-6372

Results disclosure agreements

  • Principal investigator is a sponsor employee The investigator agrees not to publish or publicly present any interim results of the trial without the prior written consent of the sponsor. The investigator further agrees to provide to the sponsor 45 days prior to submission for publication or presentation, review copies of abstracts or manuscripts for publication that report any results of the trial.
  • Publication restrictions are in place

Restriction type: OTHER