Last updated: 02/21/2024 12:30:35
Post-marketing safety study to assess the risk of spontaneous abortions in women exposed to Cervarix residing in UK
Clinicaltrials.gov ID
EudraCT ID
Not applicable
EU CT Number
Not applicable
Trial status
Study complete
Study complete
Trial overview
Official title: Post-marketing safety study to assess the risk of spontaneous abortions in women exposed to Cervarix in the United Kingdom
Trial description: This study will assess the risk of spontaneous abortion during weeks 1-23 and weeks 1-19 of gestation, respectively, and other pregnancy outcomes, in an exposed cohort, i.e. women with last menstrual period (LMP) between 30 days before and 45 days after, or 30 days before and 90 days after any dose of Cervarix, when compared to a non-exposed cohort, i.e. women with LMP between 120 days and 18 months after the last Cervarix dose. The data collected in the Clinical Practice Research Datalink General Practitioner OnLine Database (CPRD GOLD) in the UK, will be analysed in this study.
Primary purpose:
Not applicable
Trial design:
Not applicable
Masking:
Not applicable
Allocation:
Not applicable
Primary outcomes:
Occurrence of spontaneous abortion
Timeframe: Weeks 1-23 of gestation
Secondary outcomes:
Occurrence of spontaneous abortion
Timeframe: Weeks 1-19 of gestation
Occurrence of other pregnancy outcomes
Timeframe: 12 months after last menstrual period
Baby’s death
Timeframe: First 12 weeks of baby’s life
Interventions:
Enrollment:
1046
Primary completion date:
2013-06-08
Observational study model:
Cohort
Time perspective:
Retrospective
Clinical publications:
Not applicable
- For the exposed cohort:
- All subjects must satisfy all of the following criteria at entry into the exposed cohort:
- For the exposed cohort:
- Female with the first day LMP between 30 days before and 90 days after at least one dose of unspecified Human Papillomavirus vaccine and/or Gardasil.
Inclusion and exclusion criteria
Inclusion criteria:
- Full date of first day of LMP available in the database or calculated from Estimated date of delivery (EDD).
- Female, aged between, and including, 15 and 25 years of age at LMP.
- Recorded in the CPRD GOLD for at least 12 months at LMP.
- First day of LMP available in the database or calculated from EDD between September 1st 2008 and June 30th 2011.
- At least one dose of Cervarix received between September 1st 2008 and June 30th 2011.
- Full date of Cervarix vaccination(s) available.
- First day of LMP available in the database or calculated from EDD between 30 days before and 90 days after any dose of Cervarix.
- Subject defined as acceptable in CPRD GOLD. For the non-exposed cohort: All subjects must satisfy all of the following criteria at entry into the non-exposed cohort:
- Full date of first day of LMP available in the database or calculated from EDD.
- Female, aged between, and including, 15 and 25 years of age at LMP.
- Recorded in the CPRD GOLD since at least 12 months at LMP.
- First day of LMP available in the database or calculated from EDD between September 1st 2008 and June 30th 2011.
- At least one dose of Cervarix received between September 1st 2008 and June 30th 2011.
- Full date of Cervarix vaccination(s) available.
- First day of LMP available in the database or calculated from EDD between 120 days and 18 months after the last dose of Cervarix.
- Subject defined as acceptable in CPRD GOLD.
For the exposed cohort: All subjects must satisfy all of the following criteria at entry into the exposed cohort:
Exclusion criteria:
- Female with the first day LMP between 30 days before and 90 days after at least one dose of unspecified Human Papillomavirus vaccine and/or Gardasil. For the non-exposed cohort:
- Female with the first day LMP between 30 days before and 90 days after at least one dose of unspecified Human Papillomavirus vaccine and/or Gardasil.
- Female included for a previous pregnancy in the exposed cohort.
For the exposed cohort:
Trial location(s)
Study documents
Clinical study report
Available language(s): English
Scientific result summary
Available language(s): English
If you wish to request for full study report, please contact - [email protected]
Results overview
Refer to study documents
Recruitment status
Study complete
Actual primary completion date
2013-06-08
Actual study completion date
2013-06-08
Plain language summaries
Not applicable. GSK’s transparency policy provides for Plain Language Summaries for Interventional studies.
Additional information about the trial
Not applicable
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