Postlicensure Observational Safety Study of 13vPnC Administered to Infants and Toddlers

Postlicensure Observational Safety Study of 13-valent Pneumococcal Conjugate Vaccine (13vPnC) Administered in Routine Use to Infants and Toddlers

The purpose of the study is to expand the understanding of the safety profile of 13vPnC in routine use following licensure and introduction of the vaccine.

Study Overview

• Status: Completed
• Conditions: Pneumococcal Disease
• Intervention / Treatment: Other: No Intervention

• Study Type: Observational
• Enrollment (Actual): 53902

Contacts and Locations

Study Locations

• United States
  • California
    • Oakland, California, United States, 94612
      • Northern California Kaiser Permanente

Participation Criteria

Eligibility Criteria

• Ages Eligible for Study: 2 months to 3 years (Child)
• Accepts Healthy Volunteers: No
• Genders Eligible for Study: All

• Sampling Method: Non-Probability Sample

Study Population

60,000 infants total: at least 43,000 infants who receive all 3 primary series doses of 13vPnC plus 15,000 additional infants who receive less than 3 doses of 13vPnC

Description

Inclusion Criteria:

• Infants starting vaccination with 13vPnC in the first 6 months of life who are members of the Northern California Kaiser Permanente healthcase system and who receive at least 1 dose of 13vPnC during the study observation period will be included. Infants must not have had 7vPnC at the time of 13vPnC dose administration.

Exclusion Criteria:

• Infants and children who were previously vaccinated with any number of doses of 7vPnC will be excluded.

Study Plan

How is the study designed?

Design Details

• Observational Models: Case-Only
• Time Perspectives: Prospective

Number of groups / cohorts

1

Cohorts and Interventions

Group / Cohort	Intervention / Treatment
1	Other: No Intervention; No Intervention

What is the study measuring?

Primary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Relative Risk of Medically Attended Events Between 30-day Risk Window and 30-day Self-control Window: Pre-Dose 1 Inpatient	Relative risk for given event=incidence rate(risk window)/incidence rate(self-control window).Relative risk in inpatient health care setting for pre-dose 1 assessed by comparing incidence rate of reported events in inpatient setting/1000 person-months occurring within 30 days after Dose 1(30-day risk window) with self-control period occurring during 30 days before Dose 1(pre-vaccination 30-day self-control window).Relative risk,exact 2-sided 90 percent (%) confidence intervals (CIs) reported. Medically attended events documented retrospectively according to International Classification of Diseases, ninth Revision (ICD-9) coding.Medical attended event acute bronchiolitis due to Respiratory Syncytial Virus (RSV) has been represented as acute bronchiolitis due to RSV and acute pyelonephritis without renal medullary necrosis(RMN) lesion has been represented as acute pyelonephritis without RMN lesion in measure categories below.Results reported for events reported in either of the windows.	30 days before Dose 1 (-34 to -5 days before Dose 1, pre-vaccination self-control window for Dose 1), 30 days after Dose 1 (risk window for Dose 1)
Relative Risk of Medically Attended Events Between 30-day Risk Window and 30-day Self-control Window: Pre-Dose 1 Emergency Department	Relative risk for given event = incidence rate (risk window) / incidence rate (self-control window). Relative risk in emergency department health care setting for pre-dose 1 was assessed by comparing the incidence rate of reported events in emergency department setting per 1000 person-months occurring within 30 days after Dose 1 (30-day risk window) with self-control period occurring during 30 days before Dose 1 (pre-vaccination 30-day self-control window). Relative risk and exact 2-sided 90% CIs were reported. Medically attended events were documented retrospectively according to ICD-9 coding. Results were reported for events reported in either of the windows.	30 days before Dose 1 (-34 to -5 days before Dose 1, pre-vaccination self-control window for Dose 1), 30 days after Dose 1 (risk window for Dose 1)
Relative Risk of Medically Attended Events Between 30-day Risk Window and 30-day Self-control Window: Pre-Dose 1 Inpatient and Emergency Department Combined	Relative risk for given event = incidence rate (risk window) / incidence rate (self-control window). Relative risk in inpatient and emergency department health care setting for pre-dose 1 was assessed by comparing the overall incidence rates of reported events in both settings per 1000 person-months occurring within 30 days after Dose 1 (30-day risk window) with self-control period occurring during 30 days before Dose 1 (pre-vaccination 30-day self-control window). Relative risk and exact 2-sided 90% CIs were reported. Medically attended events were documented retrospectively according to ICD-9 coding. Results were reported for events reported in either of the windows.	30 days before Dose 1 (-34 to -5 days before Dose 1, pre-vaccination self-control window for Dose 1), 30 days after Dose 1 (risk window for Dose 1)
Relative Risk of Medically Attended Events Between 30-day Risk Window and 30-day Self-control Window: Dose 1 Inpatient	Relative risk for given event = incidence rate (risk window) / incidence rate (self-control window). Relative risk in inpatient health care setting for Dose 1 was assessed by comparing the incidence rate of reported events in inpatient setting per 1000 person-months occurring within 30 days after Dose 1 (30-day risk window) with the self-control period occurring during the subsequent 30 days (30-day self-control window). Relative risk and exact 2-sided 90% (CIs were reported. Medically attended events were documented retrospectively according to ICD-9 coding. Results were reported for events reported in either of the windows.	30 days after Dose 1 (risk window for Dose 1), 30 days after risk window (post-dose self-control window for Dose 1)
Relative Risk of Medically Attended Events Between 30-day Risk Window and 30-day Self-control Window: Dose 1 Emergency Department	Relative risk for given event = incidence rate (risk window) / incidence rate (self-control window). Relative risk in emergency department health care setting for Dose 1 was assessed by comparing the incidence rate of reported events in emergency department setting per 1000 person-months occurring within 30 days after Dose 1 (30-day risk window) with the self-control period occurring during the subsequent 30 days (30-day self-control window). Relative risk and exact 2-sided 90% CIs were reported. Medically attended events were documented retrospectively according to ICD-9 coding. Results were reported for events reported in either of the windows.	30 days after Dose 1 (risk window for Dose 1), 30 days after risk window (post-dose self-control window for Dose 1)
Relative Risk of Medically Attended Events Between 30-day Risk Window and 30-day Self-control Window: Dose 1 Inpatient and Emergency Department Combined	Relative risk for given event = incidence rate (risk window) / incidence rate (self-control window). Relative risk in inpatient and emergency department health care setting for Dose 1 was assessed by comparing the overall incidence rates of reported events in both settings per 1000 person-months occurring within 30 days after Dose 1 (30-day risk window) with the self-control period occurring during the subsequent 30 days (30-day self-control window). Relative risk and exact 2-sided 90% CIs were reported. Medically attended events were documented retrospectively according to ICD-9 coding. Results were reported for events reported in either of the windows.	30 days after Dose 1 (risk window for Dose 1), 30 days after risk window (post-dose self-control window for Dose 1)
Relative Risk of Medically Attended Events Between 30-day Risk Window and 30-day Self-control Window: Dose 2 Inpatient	Relative risk for given event = incidence rate (risk window) / incidence rate (self-control window). Relative risk in inpatient health care setting for Dose 2 was assessed by comparing the incidence rate of reported events in inpatient setting per 1000 person-months occurring within 30 days after Dose 2 (30-day risk window) with the self-control period occurring during the subsequent 30 days (30-day self-control window). Relative risk and exact 2-sided 90% CIs were reported. Medically attended events were documented retrospectively according to ICD-9 coding. Results were reported for events reported in either of the windows.	30 days after Dose 2 (risk window for Dose 2), 30 days after risk window (post-dose self-control window for Dose 2)
Relative Risk of Medically Attended Events Between 30-day Risk Window and 30-day Self-control Window: Dose 2 Emergency Department	Relative risk for given event = incidence rate (risk window) / incidence rate (self-control window). Relative risk in emergency department health care setting for Dose 2 was assessed by comparing the incidence rate of reported events in emergency department setting per 1000 person-months occurring within 30 days after Dose 2 (30-day risk window) with the self-control period occurring during the subsequent 30 days (30-day self-control window). Relative risk and exact 2-sided 90% CIs were reported. Medically attended events were documented retrospectively according to ICD-9 coding. Results were reported for events reported in either of the windows.	30 days after Dose 2 (risk window for Dose 2), 30 days after risk window (post-dose self-control window for Dose 2)
Relative Risk of Medically Attended Events Between 30-day Risk Window and 30-day Self-control Window: Dose 2 Inpatient and Emergency Department Combined	Relative risk for given event = incidence rate (risk window) / incidence rate (self-control window). Relative risk in inpatient and emergency department health care setting for Dose 2 was assessed by comparing the overall incidence rates of reported events in both settings per 1000 person-months occurring within 30 days after Dose 2 (30-day risk window) with the self-control period occurring during the subsequent 30 days (30-day self-control window). Relative risk and exact 2-sided 90% CIs were reported. Medically attended events were documented retrospectively according to ICD-9 coding. Results reported for events reported in either of the windows.	30 days after Dose 2 (risk window for Dose 2), 30 days after risk window (post-dose self-control window for Dose 2)
Relative Risk of Medically Attended Events Between 30-day Risk Window and 30-day Self-control Window: Dose 3 Inpatient	Relative risk for given event = incidence rate (risk window) / incidence rate (self-control window). Relative risk in inpatient health care setting for Dose 3 was assessed by comparing the incidence rate of reported events in inpatient setting per 1000 person-months occurring within 30 days after Dose 3 (30-day risk window) with the self-control period occurring during the subsequent 30 days (30-day self-control window). Relative risk and exact 2-sided 90% CIs were reported. Medically attended events were documented retrospectively according to ICD-9 coding. Results were reported for events reported in either of the windows.	30 days after Dose 3 (risk window for Dose 3), 30 days after risk window (post-dose self-control window for Dose 3)
Relative Risk of Medically Attended Events Between 30-day Risk Window and 30-day Self-control Window: Dose 3 Emergency Department	Relative risk for given event = incidence rate (risk window) / incidence rate (self-control window). Relative risk in emergency department health care setting for Dose 3 was assessed by comparing the incidence rate of reported events in emergency department setting per 1000 person-months occurring within 30 days after Dose 3 (30-day risk window) with the self-control period occurring during the subsequent 30 days (30-day self-control window). Relative risk and its corresponding exact 2-sided 90% confidence CIs were reported. Medically attended events were documented retrospectively according to ICD-9 coding. Results were reported for events reported in either of the windows.	30 days after Dose 3 (risk window for Dose 3), 30 days after risk window (post-dose self-control window for Dose 3)
Relative Risk of Medically Attended Events Between 30-day Risk Window and 30-day Self-control Window: Dose 3 Inpatient and Emergency Department Combined	Relative risk for given event=incidence rate(risk window)/incidence rate(self-control window). Relative risk in inpatient and emergency department health care setting for Dose 3 was assessed by comparing the overall incidence rates of reported events in both settings per 1000 person-months occurring within 30 days after Dose 3 (30-day risk window) with the self-control period occurring during the subsequent 30 days (30-day self-control window). Relative risk and exact 2-sided 90% CIs were reported. Medically attended events were documented retrospectively according to ICD-9 coding. Results reported for events reported in either of the windows.	30 days after Dose 3 (risk window for Dose 3), 30 days after risk window (post-dose self-control window for Dose 3)
Relative Risk of Medically Attended Events Between 30-day Risk Window and 30-day Self-control Window: Primary Series Inpatient	Relative risk for given event = incidence rate (risk window) / incidence rate (self-control window). For primary series (Dose 1, 2, 3 combined), all 30-day risk windows and all post-dose 30-day control windows were summed. Relative risk in inpatient health care setting for primary series was assessed by comparing the combined incidence rate of reported events in inpatient setting per 1000 person-months occurring within 30 days after Dose 1, 2, and 3 (risk window) with the combined self-control period occurring during the subsequent 30 days for each dose (self-control windows after risk window for each dose). Relative risk and exact 2-sided 90% CIs were reported. Medically attended events were documented retrospectively according to ICD-9 coding. Results were reported for events reported in either of the windows.	30 days after Dose 1, 2, 3 combined (risk window for primary series), 30 days after risk window for Dose 1, 2, 3 combined (post-dose self-control window for primary series)
Relative Risk of Medically Attended Events Between 30-day Risk Window and 30-day Self-control Window: Primary Series Emergency Department	Relative risk for given event = incidence rate (risk window) / incidence rate (self-control window). For primary series (Dose 1, 2, 3 combined), all 30-day risk windows and all post-dose 30-day control windows were summed. Relative risk in emergency department health care setting for primary series was assessed by comparing the combined incidence rate of reported events in emergency department setting per 1000 person-months occurring within 30 days after Dose 1, 2, and 3 (risk window) with the combined self-control period occurring during the subsequent 30 days for each dose (self-control windows after risk window for each dose). Relative risk and exact 2-sided 90% CIs were reported. Medically attended events were documented retrospectively according to ICD-9 coding. Results were reported for events reported in either of the windows.	30 days after Dose 1, 2, 3 combined (risk window for primary series), 30 days after risk window for Dose 1, 2, 3 combined (post-dose self-control window for primary series)
Relative Risk of Medically Attended Events Between 30-day Risk Window and 30-day Self-control Window: Primary Series Inpatient and Emergency Department Combined	Relative risk for given event = incidence rate (risk window) / incidence rate (self-control window). For primary series (Dose 1, 2, 3 combined), all 30-day risk windows and all post-dose 30-day control windows were summed. Relative risk in in inpatient and emergency department health care setting for primary series was assessed by comparing the combined incidence rate of reported events in both the settings per 1000 person-months occurring within 30 days after Dose 1, 2, and 3 (risk window) with the combined self-control period occurring during the subsequent 30 days for each dose (self-control windows after risk window for each dose). Relative risk and exact 2-sided 90% CIs were reported. Medically attended events were documented retrospectively according to ICD-9 coding. Results were reported for events reported in either of the windows.	30 days after Dose 1, 2, 3 combined (risk window for primary series), 30 days after risk window for Dose 1, 2, 3 combined (post-dose self-control window for primary series)

Collaborators and Investigators

• Sponsor: Pfizer
• Collaborators: Kaiser Permanente

Publications and helpful links

Helpful Links

• To obtain contact information for a study center near you, click here.

Study record dates

Study Major Dates

• Study Start: June 1, 2010
• Primary Completion (Actual): June 1, 2013
• Study Completion (Actual): June 1, 2013

Study Registration Dates

• First Submitted: May 20, 2010
• First Submitted That Met QC Criteria: May 20, 2010
• First Posted (Estimate): May 21, 2010

Study Record Updates

• Last Update Posted (Estimate): July 14, 2014
• Last Update Submitted That Met QC Criteria: June 12, 2014
• Last Verified: June 1, 2014

More Information

Terms related to this study

• Keywords: Pneumococcal conjugate vaccine
• Additional Relevant MeSH Terms: Infections; Bacterial Infections; Bacterial Infections and Mycoses; Streptococcal Infections; Gram-Positive Bacterial Infections; Pneumococcal Infections
• Other Study ID Numbers: 6096A1-4002; B1851044