A Phase 3, Open-Label, Single-Arm Trial Evaluating the Safety, Tolerability, & Reactogenicity of a 13vPnC Vaccine in Ambulatory Elderly Adults Aged 68 Years & Older Who Received 1 or More Doses of 23vPS Vaccine at Least 3 Years Before Study Enrollment
Trial Snapshot
- Phase
- Phase 3
- Status
- Completed
- Sponsor
- Pfizer
- Enrollment
- 1,053
- Locations
- 59
- Primary Endpoint
- Percentage of Participants With Pre-specified Local Reactions
Study Overview
Brief Summary
To evaluate the safety of 13-valent pneumococcal conjugate vaccine (13vPnC) in elderly subjects who were vaccinated with one or more doses of 23-valent pneumococcal polysaccharide vaccine (23vPS) at least 3 years before study enrollment.
Study Design
- Study Type
- Interventional
- Allocation
- Na
- Intervention Model
- Single Group
- Primary Purpose
- Prevention
- Masking
- None
Eligibility Criteria
- Ages
- 68 Years to — (Older Adult)
- Sex
- All
- Accepts Healthy Volunteers
- Yes
Inclusion Criteria
- Not provided
Exclusion Criteria
- Not provided
Outcomes
Primary Outcomes
Percentage of Participants With Pre-specified Local Reactions
Time Frame: Days 1 through 14
Local reactions were collected by the participant using an electronic diary. Redness and swelling scaled as any(present); mild(2.5-5.0 centimeters\[cm\]); moderate(5.1-10.0 cm); severe(\>10.0cm). Pain as any(present); mild(present, no interference with activity); moderate(present, some interference with activity); severe(present, prevents daily activity). Limitation of arm movement as any(present); mild(present, could move arm above head); moderate(could move arm above shoulder but not above head); severe(could not move arm above shoulder). Participants may be represented in more than 1 category.
Percentage of Participants With Pre-specified Systemic Events
Time Frame: Days 1 through 14
Systemic events were collected by participant using electronic diary. Fatigue,headache,new/aggravated generalized muscle pain,new/aggravated generalized joint pain: any, mild(no interference with activity), moderate(some interference with activity), severe(prevents routine daily activity). Fever(\>=38 degrees Celsius\[C\]), chills, rash, vomiting(mild:1-2 times daily; moderate:\>2 times daily; severe:prevents daily activity) decreased appetite \& diarrhea(mild:2-3 loose stools/day; moderate:4-5 loose stools/day; severe:\>=6 loose stools/day) reported. Participants may be represented in \>1 category.
Percentage of Participants Taking Pain or Antipyretic Medication
Time Frame: Days 1 through 14
Use of pain or antipyretic medication was collected by the participants using an electronic diary.
Secondary Outcomes
No secondary outcomes reported
