Background Shared decision-making (SDM), a process whereby physicians and patients collaborate to select interventions, is not well understood for biologic treatment of autoimmune conditions. Methods This was a cross-sectional survey of adults initiating treatment for Crohn’s disease or ulcerative colitis (inflammatory bowel disease, IBD) or psoriatic arthritis or rheumatoid arthritis (RA/PA). Survey data were linked to administrative claims for 6 months before (baseline) and after (follow-up) therapy initiation. Measures included the Shared Decision Making Questionnaire, Patient Activation Measure (PAM), Morisky Medication Adherence Scale (MMAS), general health, and treatment satisfaction. Claims-based Quan-Charlson comorbidity scores, persistence, medication possession ratio (MPR), and health care costs were examined. Patients were compared by participation (SDM) and nonparticipation (non-SDM) in SDM. Results Among 453 respondents, 357 were eligible, and 306 patients (204 RA/PA and 102 IBD) were included in all analyses. Overall (n=357), SDM participants (n=120) were more often females (75.0% vs 62.5%, P =0.018), had lower health status (48.0 vs 55.4, P =0.005), and higher Quan–Charlson scores (1.0 vs 0.7, P =0.035) than non-SDM (n=237) participants. Lower MMAS scores (SDM 0.17 vs non-SDM 0.41; P <0.05) indicated greater likelihood of adherence; SDM participants also reported higher satisfaction with medication and had greater activation (PAM: SDM vs non-SDM: 66.9 vs 61.6; P <0.001). Mean MPR did not differ, but persistence was longer among SDM participants (111.2 days vs 102.2 days for non-SDM; P =0.029). Costs did not differ by SDM status overall, or among patients with RA/PA. The patients with IBD, however, experienced lower ( P =0.003) total costs ($9,404 for SDM vs $25,071 for non-SDM) during follow-up. Conclusion This study showed greater likelihood of adherence and satisfaction for patients who engaged in SDM and reduced health care costs among patients with IBD who engaged in SDM. This study provides a basis for defining SDM participation and detecting differences by SDM participation for biologic treatment selection for autoimmune conditions.

Patients had an HbA1c reduction of 0.97% in the 12 months following the first canagliflozin fill. Highly adherent patients achieved a greater reduction in HbA1c at the end of the follow-up period and were more likely to reach HbA1c goals. Highly adherent patients also had reductions in the use of most oral AHAs, while LHA patients saw a small increase in insulin use.

According to this DES model for schizophrenia, atypical antipsychotics are cost-effective compared to the conventional antipsychotics. The assumptions used in the model need further validation through large naturalistic based studies with reasonable follow-up to determine the real-life differences between atypicals and conventional antipsychotics.

This retrospective study in an actual practice setting showed that CANA patients were generally as likely as GLP-1 patients to achieve HbA1c, weight, and blood pressure thresholds, and to maintain glycemic control while being less likely to discontinue treatment and/or have a new anti-hyperglycemic prescribed.

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