A FAERS database study on visual impairment adverse events associated with three long-acting insulin analogues - Scorecard - MDSpire

A FAERS database study on visual impairment adverse events associated with three long-acting insulin analogues

  • By

  • Li Zhong

  • Wenxuan Cao

  • Xinyu Liu

  • Tiancai Wen

  • Jing Yan

  • March 17, 2026

  • 0 min

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Clinical Scorecard: Analysis of Visual Impairment Adverse Events Linked to Three Long-Acting Insulin Analogues Using FAERS Data

At a Glance

CategoryDetail
ConditionVisual impairment adverse events including diabetic retinopathy and diabetic glaucoma
Key MechanismsChronic hyperglycemia-induced ocular microvascular damage via polyol pathway activation, advanced glycation end products formation, reactive oxygen species release, and insulin analogue-specific pharmacological effects on ocular tissue homeostasis
Target PopulationPatients with diabetes mellitus initiating long-acting basal insulin therapy (insulin degludec, insulin detemir, insulin glargine)
Care SettingOutpatient and inpatient diabetes management settings with ophthalmic monitoring capabilities

Key Highlights

  • Insulin glargine shows the strongest association with visual impairment, particularly diabetic glaucoma (ROR=50.36), while insulin degludec and detemir are more associated with diabetic retinopathy.
  • Visual impairment adverse events exhibit an early-onset pattern after insulin initiation, with insulin degludec having the shortest median time-to-onset (23.6 days).
  • Higher body weight may be a potential protective factor against visual impairment events, though confounded by diabetes type differentiation limitations in the database.

Guideline-Based Recommendations

Diagnosis

  • Monitor for early signs of diabetic retinopathy and glaucoma in patients starting long-acting insulin analogues.
  • Consider patient demographics and clinical characteristics when assessing risk for visual impairment.

Management

  • Implement individualized ophthalmic monitoring during the early phase of basal insulin therapy initiation.
  • Select insulin analogue considering differential risk profiles for specific ocular adverse events.

Monitoring & Follow-up

  • Conduct early and regular ophthalmologic evaluations post insulin initiation, especially within the first month.
  • Focus monitoring on female patients and those with lower body weight due to higher reported incidence.

Risks

  • Recognize that insulin glargine carries a higher risk for diabetic glaucoma, while degludec and detemir are more linked to retinopathy.
  • Be aware of the early-onset temporal pattern of visual impairment adverse events following insulin initiation.

Patient & Prescribing Data

Diabetic patients initiating therapy with insulin degludec, insulin detemir, or insulin glargine, predominantly female and majority from the United States.

Insulin glargine is associated with stronger visual impairment signals, particularly glaucoma; insulin degludec and detemir are more associated with retinopathy. Early ophthalmic monitoring is advised to mitigate risk.

Clinical Best Practices

  • Perform baseline ophthalmic assessment prior to initiating long-acting insulin analogues.
  • Educate patients about potential early visual symptoms and encourage prompt reporting.
  • Tailor insulin analogue choice based on individual risk profiles and ocular history.
  • Maintain vigilant early-phase monitoring within the first month of insulin therapy.
  • Consider body weight and demographic factors when evaluating visual impairment risk.

References

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