Economic Impact in Medicaid Beneficiaries with Schizophrenia and Cardiometabolic Comorbidities Treated with Once-Monthly Paliperidone Palmitate vs. Oral Atypical Antipsychotics
Why this work is in the frame
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Bibliographic record
Abstract
OBJECTIVE: The objective of this study was to compare persistence, costs, and healthcare resource utilization in patients with schizophrenia and cardiometabolic comorbidities treated with once-monthly paliperidone palmitate or an oral atypical antipsychotic. METHODS: Medicaid data from six states (07/2009-03/2015) were used to identify adults with schizophrenia and cardiometabolic comorbidities initiated on once-monthly paliperidone palmitate or an oral atypical antipsychotic (index date) on 01/2010 or after. Persistence to index medication at 12 months (no gap ≥ 90 days) was compared between patients taking once-monthly paliperidone palmitate and an oral atypical antipsychotic using Chi-squared tests. The 12-month post-index healthcare costs and healthcare resource utilization were compared using multivariate ordinary least squares and Poisson regression, respectively. RESULTS: Selected patients taking once-monthly paliperidone palmitate (n = 371) were younger (mean age: 45.0 vs. 47.5 years, standardized difference = 24%) than patients taking oral atypical antipsychotics (n = 8296). Persistence at 12 months was higher in patients taking once-monthly paliperidone palmitate (40 vs. 33%, p = 0.006). Adjusted all-cause medical costs were lower in patients taking once-monthly paliperidone palmitate vs. patients taking oral atypical antipsychotics (mean monthly cost differences = US $ - 369, p = 0.004) while all-cause pharmacy costs were higher (mean monthly cost differences = US $279, p < 0.001), resulting in no significant difference in total costs (mean monthly cost differences = US $ - 90, p = 0.357). No significant difference was observed in cardiometabolic comorbidity-related pharmacy or medical costs. Compared with patients taking oral atypical antipsychotics, patients taking once-monthly paliperidone palmitate had more schizophrenia-related outpatient visits (incidence rate ratio = 1.44, p < 0.001) but fewer cardiometabolic comorbidity-related inpatient admissions (incidence rate ratio = 0.73, p < 0.001) with shorter lengths of stay (incidence rate ratio = 0.72, p = 0.020), and fewer cardiometabolic comorbidity-related long-term care admissions (incidence rate ratio = 0.56, p = 0.016). CONCLUSIONS: Medicaid beneficiaries with schizophrenia and cardiometabolic comorbidities who were initiated on once-monthly paliperidone palmitate had similar 12-month total healthcare costs compared with oral atypical antipsychotics. Cardiometabolic comorbidity-related utilization of inpatient and long-term care services was lower in patients taking once-monthly paliperidone palmitate.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it