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Medtipster Sees Growth In Generic Drug Switches With Co-pay Waivers

December 14, 2010 By: Nadia Category: Free Prescriptions, HealthCare, Medicine Advice, Medtipster, Prescription News, Prescription Savings

www.Medtipster.com Source: Medtipster Client Data: August 1, 2009 – November 30, 2010

Medtipster.com, working with it’s employer sponsored benefit plan members, found that offering a waiver of generic drug co-payments led to more switches to generics from their brand equivalents and that plan members were more likely to remain on their generic drugs after the switch was made.

The waiver program resulted in savings of about $500,000. to the sponsor and about $750,000. to the plan members during the observation period.

To improve generic dispensing rates, Medtipster offered plan members using brand medications in 40 therapeutic classes up to two co-pay waivers if they switched to a preferred generic drug. Information about the waiver was mailed to plan members, alerting them that all they needed to do was switch within six months of receiving the communication.

Members who took advantage of the waivers early in the six-month period were able to use it twice, while members who acted later in the window were only able to use the waiver once.

The recently enacted health care reform law has a provision in it that will allow Medicare Part D plan sponsors, beginning with the 2011 plan year, to reduce or waive the first co-pay for a generic drug when a plan member switches from its corresponding brand product.

Medtipster examined how many of the plan members remained on the generic drug after receiving one or two co-pay waivers. Findings among the top four therapeutic classes (HMG CoA reductase inhibitors, antihypertensive combinations, proton pump inhibitors and beta blockers cardio-selective) showed that plan members who took advantage of two co-pay waivers had higher generic dispensing rates in the fill immediately after the waivers and had higher sustained GDRs during the months after the generic dispensing conversion program began compared to those only using one waiver.

For example, 94.9 percent of members using beta blockers filled the next prescription with a generic following the use of two waivers, compared to 59.5 percent who used only one waiver. Members who used two waivers had a sustained generic dispensation rate of 89.5 percent, compared to 58.5 percent who only used one waiver.

The drug that showed the highest difference in sustained GDR between the use of two waivers and one waiver was AstraZeneca’s high blood pressure medication Toprol XL (metaprolol succinate), which had sustained GDR of 91.5 percent for members using two waivers, compared to 62.5 percent for members who used only one waiver.

Of the top 10, the drug that had the lowest difference was AstraZeneca’s cholesterol lowering drug Crestor (rosuvastatin), which had a sustained GDR of 82.7 percent for members using two waivers versus 78.1 percent for members who used one waiver.

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