PMID- 22533526 OWN - NLM STAT- MEDLINE DCOM- 20130429 LR - 20220330 IS - 1941-837X (Electronic) IS - 1369-6998 (Linking) VI - 15 IP - 6 DP - 2012 TI - Economic outcomes of exenatide vs liraglutide in type 2 diabetes patients in the United States: results from a retrospective claims database analysis. PG - 1039-50 LID - 10.3111/13696998.2012.688903 [doi] AB - OBJECTIVE: The safety and efficacy of the GLP-1 receptor agonists exenatide BID (exenatide) and liraglutide for treating type 2 diabetes mellitus (T2DM) have been established in clinical trials. Effective treatments may lower overall treatment costs. This study examined cost offsets and medication adherence for exenatide vs liraglutide in a large, managed care population in the US. METHODS: This was a retrospective cohort analysis comprising adult patients with T2DM who initiated exenatide or liraglutide between 1/1/2010 and 6/30/2010 and had 6 months pre-index and post-index continuous eligibility. Patients were propensity score-matched to controls for baseline differences. Medication adherence was measured by proportion of days covered (PDC). Paired t-test and McNemar's test were used to compare outcomes. RESULTS: Matched exenatide and liraglutide cohorts (n=1347 pairs) had similar average total 6-month follow-up costs ($6688 vs $7346). However, exenatide patients had significantly lower mean pharmacy costs ($2925 vs $3272, p<0.001). Among liraglutide patients, patients receiving the 1.8 mg dose had significantly higher average total costs compared to those receiving the 1.2 mg dose ($8031 vs $6536, p=0.026), with higher mean pharmacy costs in the 1.8 mg cohort ($3935 vs $3146, p<0.001). There were no significant differences in inpatient or outpatient costs or medication adherence between groups (mean PDC: exenatide 56% vs liraglutide 57%, p=0.088). LIMITATIONS: The study assumed that all information needed for case classification and matching of cohorts was present and not differential across cohorts. The study did not control for covariates that were unavailable, such as HbA1c and duration of diabetes. CONCLUSIONS: Patients initiating exenatide vs liraglutide for T2DM had similar medication adherence and total healthcare costs; however, exenatide patients had significantly lower total pharmacy costs. Patients prescribed 1.8 mg liraglutide had significantly higher costs compared to those on 1.2 mg. FAU - Pelletier, Elise M AU - Pelletier EM AD - Department of Health Economics and Outcomes Research, IMS Health, Inc., Watertown, MA 02472, USA. epelletier@us.imshealth.com FAU - Pawaskar, Manjiri AU - Pawaskar M FAU - Smith, Paula J AU - Smith PJ FAU - Best, Jennie H AU - Best JH FAU - Chapman, Richard H AU - Chapman RH LA - eng PT - Comparative Study PT - Journal Article PT - Research Support, Non-U.S. Gov't DEP - 20120524 PL - England TA - J Med Econ JT - Journal of medical economics JID - 9892255 RN - 0 (Hypoglycemic Agents) RN - 0 (Peptides) RN - 0 (Venoms) RN - 839I73S42A (Liraglutide) RN - 89750-14-1 (Glucagon-Like Peptide 1) RN - 9P1872D4OL (Exenatide) SB - IM MH - Adolescent MH - Adult MH - Age Factors MH - Aged MH - Diabetes Complications MH - Diabetes Mellitus, Type 2/*drug therapy/economics MH - Exenatide MH - Fees, Pharmaceutical/standards MH - Female MH - Glucagon-Like Peptide 1/*analogs & derivatives/economics/therapeutic use MH - Health Expenditures/statistics & numerical data MH - Health Services/economics/statistics & numerical data MH - Humans MH - Hypoglycemic Agents/*economics/therapeutic use MH - Insurance Claim Review/statistics & numerical data MH - Liraglutide MH - Male MH - Medication Adherence/*statistics & numerical data MH - Middle Aged MH - Peptides/*economics/therapeutic use MH - Retrospective Studies MH - Sex Factors MH - United States MH - Venoms/*economics/therapeutic use MH - Young Adult EDAT- 2012/04/27 06:00 MHDA- 2013/04/30 06:00 CRDT- 2012/04/27 06:00 PHST- 2012/04/27 06:00 [entrez] PHST- 2012/04/27 06:00 [pubmed] PHST- 2013/04/30 06:00 [medline] AID - 10.3111/13696998.2012.688903 [doi] PST - ppublish SO - J Med Econ. 2012;15(6):1039-50. doi: 10.3111/13696998.2012.688903. Epub 2012 May 24.