Dataset Information

Are adverse events higher among patients with acute optic neuritis prescribed glucocorticoids? A retrospective, longitudinal cohort study.

ABSTRACT:

Objective

Optic neuritis (ON) is an acute focal inflammation of the optic nerve routinely treated with glucocorticoids. We aimed to compare adverse events (AE) among glucocorticoid-treated and untreated patients in the real world to guide clinical decision making about treatment tradeoffs.

Design

Retrospective, longitudinal cohort study.

Setting

Claims study from a large, private insurer in the USA (2005-2019).

Participants

Adults≥18 years old with ≥1 ICD9/10 ON diagnosis with an evaluation/management visit code, and ≥6 months continuous enrolment prior to and following ON diagnosis.

Intervention

Glucocorticoid prescription exposure.

Primary and secondary outcome measures

Primary outcome was any AE within 90 days of glucocorticoid prescription. Secondary outcome was AE assessment by severity. Generalised estimating equations with logit link assessed relationships between glucocorticoid prescription and AEs. High-dimensional propensity score analyses accounted for potential confounding (eg, sociodemographics and comorbidities). Sensitivity analyses restricted the cohort to high-dose prescriptions (≥100 mg prednisone equivalent, injection/infusion), AEs within 30 days, highly specific ON definition and traditional propensity score match.

Results

Of the 14 311 people with 17 404 ON claims, 66.3% were women (n=9481), predominantly White (78.2%; n=9940), with median age (IQR)=48 (37,60) years. Within 90 days of the claim, 15.7% (n=2733/17 404) were prescribed glucocorticoids. The median (IQR) prescription duration=10 (6,20) days. Any and severe AEs were higher among patients prescribed glucocorticoids versus none (any AEs: n=437/2733 (16.0%) vs n=1784/14 671 (12.2%), adjusted OR 1.33 (95% CI: 1.18 to 1.50); severe AEs: n=72/2733 (2.6%) vs n=273/14 671 (1.9%), adjusted OR 1.82 (95% CI: 1.37 to 2.35)). Sensitivity analyses were similar.

Conclusions

Real-world glucocorticoid prescriptions among ON patients were short-term, associated with a 30% relative increase in potentially serious AEs captured within healthcare encounters, including those not previously observed, such as VTE. These results can inform treatment decisions, particularly for ON patients likely to experience only marginal benefits.

SUBMITTER: De Lott LB

PROVIDER: S-EPMC11243139 | biostudies-literature | 2024 Jul

REPOSITORIES: biostudies-literature

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Publications

Are adverse events higher among patients with acute optic neuritis prescribed glucocorticoids? A retrospective, longitudinal cohort study.

De Lott Lindsey B LB Brennan Benjamin B Wallace Beth B Kerber Kevin K Burke James F JF Roslin Chloe C Terman Samuel S Andrews Chris C Waljee Akbar K AK Banerjee Mousumi M

BMJ open 20240711 7

<h4>Objective</h4>Optic neuritis (ON) is an acute focal inflammation of the optic nerve routinely treated with glucocorticoids. We aimed to compare adverse events (AE) among glucocorticoid-treated and untreated patients in the real world to guide clinical decision making about treatment tradeoffs.<h4>Design</h4>Retrospective, longitudinal cohort study.<h4>Setting</h4>Claims study from a large, private insurer in the USA (2005-2019).<h4>Participants</h4>Adults≥18 years old with ≥1 ICD9/10 ON diag ...[more]

PMID: 38991687

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Project description:In multiple sclerosis, microstructural damage of normal-appearing brain tissue is an important feature of its pathology. Understanding these mechanisms is vital to help develop neuroprotective strategies. The visual pathway is a key model to study mechanisms of damage and recovery in demyelination. Anterograde trans-synaptic degeneration across the lateral geniculate nuclei has been suggested as a mechanism of tissue damage to explain optic radiation abnormalities seen in association with demyelinating disease and optic neuritis, although evidence for this has relied solely on cross-sectional studies. We therefore aimed to assess: (i) longitudinal changes in the diffusion properties of optic radiations after optic neuritis suggesting trans-synaptic degeneration; (ii) the predictive value of early optic nerve magnetic resonance imaging measures for late optic radiations changes; and (iii) the impact on visual outcome of both optic nerve and brain post-optic neuritis changes. Twenty-eight consecutive patients with acute optic neuritis and eight healthy controls were assessed visually (logMAR, colour vision, and Sloan 1.25%, 5%, 25%) and by magnetic resonance imaging, at baseline, 3, 6, and 12 months. Magnetic resonance imaging sequences performed (and metrics obtained) were: (i) optic nerve fluid-attenuated inversion-recovery (optic nerve cross-sectional area); (ii) optic nerve proton density fast spin-echo (optic nerve proton density-lesion length); (iii) optic nerve post-gadolinium T1-weighted (Gd-enhanced lesion length); and (iv) brain diffusion-weighted imaging (to derive optic radiation fractional anisotropy, radial diffusivity, and axial diffusivity). Mixed-effects and multivariate regression models were performed, adjusting for age, gender, and optic radiation lesion load. These identified changes over time and associations between early optic nerve measures and 1-year global optic radiation/clinical measures. The fractional anisotropy in patients' optic radiations decreased (P = 0.018) and radial diffusivity increased (P = 0.002) over 1 year following optic neuritis, whereas optic radiation measures were unchanged in controls. Also, smaller cross-sectional areas of affected optic nerves at 3 months post-optic neuritis predicted lower fractional anisotropy and higher radial diffusivity at 1 year (P = 0.007) in the optic radiations, whereas none of the inflammatory measures of the optic nerve predicted changes in optic radiations. Finally, greater Gd-enhanced lesion length at baseline and greater optic nerve proton density-lesion length at 1 year were associated with worse visual function at 1 year (P = 0.034 for both). Neither the cross-sectional area of the affected optic nerve after optic neuritis nor the damage in optic radiations was associated with 1-year visual outcome. Our longitudinal study shows that, after optic neuritis, there is progressive damage to the optic radiations, greater in patients with early residual optic nerve atrophy, even after adjusting for optic radiation lesions. These findings provide evidence for trans-synaptic degeneration.

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Dataset Information

Are adverse events higher among patients with acute optic neuritis prescribed glucocorticoids? A retrospective, longitudinal cohort study.

Objective

Design

Setting

Participants

Intervention

Primary and secondary outcome measures

Results

Conclusions

Publications

Are adverse events higher among patients with acute optic neuritis prescribed glucocorticoids? A retrospective, longitudinal cohort study.

Similar Datasets

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