Background: This study evaluated the impact of multifaceted NPS MedicineWise programs conducted in 2009 and 2015 that targeted general practitioners (GPs) to reduce unnecessary prescribing of proton pump inhibitors (PPIs). Methods: Time series analyses was conducted of the dispensing rates of concessional PPI scripts between January 2006 and June 2016 using the Pharmaceutical Benefits Scheme (PBS) and Medicare Benefits Schedule (MBS) databases in Australia. Participants were GPs with dispensed PPI prescriptions to concessional patients between January 2006 and June 2016. The interventions were national NPS MedicineWise PPI educational programs in 2009 and 2015 delivered to all practising GPs in Australia. The 2015 intervention coincided with the release of Choosing Wisely Australia recommendations from the Royal Australian College of General Practitioners (RACGP). Outcome measures included monthly dispensing rates of high/standard and low strength PPIs prescribed by GPs among concessional patients in Australia. Results : Following the 2009 NPS MedicineWise program we observed a 6.7% reduction in the expected dispensing rate of standard strength PPIs among concessional patients between January 2006 and March 2015, and a total 8.6% reduction by June 2016 following the launch of the 2015 program. We observed a significant increase of 5.6% in the dispensing rate of low strength PPIs among concessional patients between April 2009 and March 2015, and no significant change in trend following the 2015 program. Conclusions: The NPS MedicineWise programs were associated with reductions in the dispensing rate of high/standard strength PPIs and with an increase in the dispensing rate of low-strength PPIs by June 2016 although a causal relation was not confirmed. Although the rate of high/standard strength PPI prescribing is declining, these formulations still constitute the majority of PPIs used in Australia. Regular interventions to sustain and improve PPI management by GPs may be warranted.

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Posted 16 Mar, 2020
On 23 Apr, 2020
Received 19 Mar, 2020
On 15 Mar, 2020
Invitations sent on 10 Mar, 2020
On 09 Mar, 2020
On 08 Mar, 2020
On 08 Mar, 2020
On 05 Mar, 2020
On 10 Jan, 2020
On 09 Jan, 2020
On 09 Jan, 2020
On 09 Dec, 2019
Received 06 Dec, 2019
On 24 Nov, 2019
Invitations sent on 12 Nov, 2019
On 21 Oct, 2019
On 20 Oct, 2019
On 20 Oct, 2019
On 08 Oct, 2019
Received 14 Sep, 2019
Received 12 Sep, 2019
On 29 Aug, 2019
Invitations sent on 27 Aug, 2019
On 27 Aug, 2019
On 16 Aug, 2019
On 16 Aug, 2019
On 26 Jul, 2019
On 22 Jul, 2019
Posted 16 Mar, 2020
On 23 Apr, 2020
Received 19 Mar, 2020
On 15 Mar, 2020
Invitations sent on 10 Mar, 2020
On 09 Mar, 2020
On 08 Mar, 2020
On 08 Mar, 2020
On 05 Mar, 2020
On 10 Jan, 2020
On 09 Jan, 2020
On 09 Jan, 2020
On 09 Dec, 2019
Received 06 Dec, 2019
On 24 Nov, 2019
Invitations sent on 12 Nov, 2019
On 21 Oct, 2019
On 20 Oct, 2019
On 20 Oct, 2019
On 08 Oct, 2019
Received 14 Sep, 2019
Received 12 Sep, 2019
On 29 Aug, 2019
Invitations sent on 27 Aug, 2019
On 27 Aug, 2019
On 16 Aug, 2019
On 16 Aug, 2019
On 26 Jul, 2019
On 22 Jul, 2019
Background: This study evaluated the impact of multifaceted NPS MedicineWise programs conducted in 2009 and 2015 that targeted general practitioners (GPs) to reduce unnecessary prescribing of proton pump inhibitors (PPIs). Methods: Time series analyses was conducted of the dispensing rates of concessional PPI scripts between January 2006 and June 2016 using the Pharmaceutical Benefits Scheme (PBS) and Medicare Benefits Schedule (MBS) databases in Australia. Participants were GPs with dispensed PPI prescriptions to concessional patients between January 2006 and June 2016. The interventions were national NPS MedicineWise PPI educational programs in 2009 and 2015 delivered to all practising GPs in Australia. The 2015 intervention coincided with the release of Choosing Wisely Australia recommendations from the Royal Australian College of General Practitioners (RACGP). Outcome measures included monthly dispensing rates of high/standard and low strength PPIs prescribed by GPs among concessional patients in Australia. Results : Following the 2009 NPS MedicineWise program we observed a 6.7% reduction in the expected dispensing rate of standard strength PPIs among concessional patients between January 2006 and March 2015, and a total 8.6% reduction by June 2016 following the launch of the 2015 program. We observed a significant increase of 5.6% in the dispensing rate of low strength PPIs among concessional patients between April 2009 and March 2015, and no significant change in trend following the 2015 program. Conclusions: The NPS MedicineWise programs were associated with reductions in the dispensing rate of high/standard strength PPIs and with an increase in the dispensing rate of low-strength PPIs by June 2016 although a causal relation was not confirmed. Although the rate of high/standard strength PPI prescribing is declining, these formulations still constitute the majority of PPIs used in Australia. Regular interventions to sustain and improve PPI management by GPs may be warranted.

Figure 1
Figure 2
This is a list of supplementary files associated with this preprint. Click to download.
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