Mental Health-Related Disability Days and Costs Among Patients with Treatment-Resistant Depression Initiated on Esketamine Nasal Spray and Conventional Therapies in the USA
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Bibliographic record
Abstract
Treatment-resistant depression (TRD) is related to disproportionate unemployment and productivity burden in the USA. The current study describes real-world mental health (MH)-related disability days and costs of patients with TRD initiated on esketamine nasal spray or conventional therapies in the USA. Adults with TRD were selected from Merative™ MarketScan® Commercial database (from January 2016 to January 2023) and classified into four cohorts (esketamine, ECT [electroconvulsive therapy], TMS [transcranial magnetic stimulation], and SGA [second-generation antipsychotics] augmentation) based on therapy initiated (index date) on/after 5 March 2019 (esketamine approval date for TRD). Patients had ≥ 12 months of health plan eligibility pre-index date and disability information available pre- and post-index in the Merative™ MarketScan® Health and Productivity Management database (from January 2016 to December 2021). MH-related disability days (i.e., short- or long-term) and associated costs (US dollars [USD] 2022) were reported per-patient-per-month for the 6 months pre- and post-index. The study comprised four cohorts: esketamine (n = 107; mean age: 45.5 years, female: 54.2%), ECT (n = 55; mean age: 47.6 years, female: 41.8%), TMS (n = 443; mean age: 46.1 years, female: 57.3%), and SGA (n = 4374; mean age: 44.8 years, female: 59.1%). In month 6 pre-index, mean number of MH-related disability days was 1.7 in the esketamine cohort, 1.2 in the TMS cohort, 1.3 in the ECT cohort, and 0.8 in the SGA augmentation cohort; mean MH-related disability costs were US $443 in the esketamine cohort, US $339 in the TMS cohort, US $178 in the ECT cohort, and US $143 in the SGA augmentation cohort. In all cohorts, a peak in mean MH-related disability days and costs was observed 1 month after therapy initiation followed by a decreasing trend. In month 6 post-index versus month 6 pre-index, the mean number of MH-related disability days trended lower in the esketamine cohort (− 0.4 days), remained the same in the TMS cohort and largely the same in the SGA augmentation cohort (+ 0.1 days), and trended higher (+ 1.6 days) in the ECT cohort. In the same timeframe, MH-related disability costs trended lower in the esketamine and TMS cohorts, with observed reductions of US $312 and US $123, respectively. Costs remained largely the same in the SGA augmentation cohort (+ US $26), and trended higher (+ US $353) in the ECT cohort. In this descriptive study, initiation of esketamine was associated with trends toward lower MH-related disability days and costs. Conventional therapies demonstrated varied patterns, with no consistent trend toward reductions in disability days across all therapies and no observed cost-savings trends for SGA augmentation and ECT. These trends suggest potential economic and societal gains of esketamine treatment for TRD but warrant further investigation with larger samples and robust statistical comparisons.
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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 | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| 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