Diphtheria And Tetanus Toxoids Combined With Pertussis Vaccine-Acellular
Active immunisation against tetanus, diphtheria and pertussis as a booster in pregnant women during the third trimester of each pregnancy, to reduce the risk of pertussis in newborn infants up to 2 months of age.
Access path
- Mar 2017Recommended
vs Boostrix
- PBS listing · Restricted
From the public summary
7.1 The PBAC recommended a change to the circumstances under which dTpa, Adacel, is made available as a designated vaccine for the NIP to include vaccination of 12PSD · Mar 2017
7.2 The PBAC accepted that dTpa, Boostrix, is the appropriate comparator, and that the equi-effective doses are Adacel 1 x 0.5 mL dose and Boostrix 1 x 0.5 mL dose.PSD · Mar 2017
6.17 The submission presented a cost minimisation analysis of Adacel compared to Boostrix.PSD · Mar 2017
6.18 The equi-effective doses were estimated as Adacel 1 x 0.5 mL dose and Boostrix 1 xPSD · Mar 2017
6.13 The submission described Adacel as non-inferior in terms of comparative efficacy and non-inferior in terms of comparative safety to Boostrix. The claim regarding comparative safety was adequately supported. The ESC noted: o There were no head-to-head RCTs measuring the vaccine efficacy of Adacel versus Boostrix in the target population of pregnant women. 10PSD · Mar 2017
6.14 In the PSCR, the sponsor argued that o The submission provides a large body of evidence to support the clinical claim. o Amirthalingam (2014) has previously been considered by the PBAC and the PBAC previously considered Adacel (or Repevax) and Boostrix equivalent on the basis of this evidence (Boostrix PSD, July 2016). o Amirthalingam (2016) reaffirm the results of Amirthalingam (2014).PSD · Mar 2017
Cost-effectiveness
Cost-minimisation analysis; no ICER calculated as the analysis compared costs only without differential health benefits being established.
Decision context
PopulationPregnant women in the third trimester of each pregnancy, primarily to reduce the risk of pertussis in newborn infants up to 2 months of age.
Submission history
| Decided | Outcome | Comparator | ICER | Evidence |
|---|---|---|---|---|
| Mar 2017 | Recommended | Boostrix | — | RCT · Immunogenicity |
Consumer voice
One individual raised concerns about the effectiveness of maternal antibodies in protecting newborns against pertussis and expressed concerns about the lack of safety data regarding maternal pertussis vaccination.
The comment raised concerns about the effectiveness of maternal antibodies in protecting newborns against pertussis, and a perceived lack of data regarding the safety of maternal pertussis vaccination. Consumer comments · PSD
Similar precedents
Regulatory · TGA
Label narrower than PBS population — PBAC restricts to pregnant women in third trimester; TGA label covers all persons aged 10+ years as booster.