Lifitegrast (Xiidra) is a novel medicine that is indicated for the treatment of signs and symptoms of dry eyes (keratoconjunctivitis sicca). It acts by inhibiting the inflammatory process by inhibiting T-cell mediated inflammation.
Lifitegrast Uses:
-
Dry eye disease:
- It is indicated for the symptomatic treatment of dry eyes (keratoconjunctivitis sicca).
Lifitegrast (Xiidra) Dose in Adults:
Lifitegrast (Xiidra) Dose in the treatment of Dry eye disease:
- Ophthalmic: Instill one drop into each eye twice daily.
Lifitegrast (Xiidra) Dose in Childrens:
Lifitegrast (Xiidra) Dose in the treatment of Dry eye disease (DED):
-
Adolescents 17 years of age or older:
- Ophthalmic: Instill one drop into each eye twice daily.
Lifitegrast Pregnancy Risk Category: N
- Low systemic absorption is possible after ophthalmic usage.
- To reduce potential exposure to the foetus, it is best to use the lowest possible dose during pregnancy.
Lifitegrast use during breastfeeding:
- It is unknown whether the drug will be excreted into breastmilk. Systemic exposure to the drug is unlikely due to low absorption after ophthalmic usage.
- Manufacturer suggests weighing the benefits and risks of drug therapy for the mother-to-be with the potential harms to the infant's health.
Dose in Kidney Disease:
There are no dosage adjustments provided in the manufacturer’s labeling.
Dose in Liver disease:
There are no dosage adjustments provided in the manufacturer’s labeling.
Common Side Effects of Lifitegrast (Xiidra):
-
Gastrointestinal:
- Dysgeusia
-
Local:
- Application site irritation
-
Ophthalmic:
- Decreased visual acuity
Less Common Side Effects of Xiidra:
-
Central nervous system:
- Headache
-
Ophthalmic:
- Blurred vision
- Conjunctival hyperemia
- Eye discharge
- Eye discomfort
- Eye irritation
- Eye pruritus
- Increased lacrimation
-
Respiratory:
- Sinusitis
Contraindications to Lifitegrast (Xiidra):
Allergic reactions to lifitegrast or any component of the formulation.
Monitoring Parameters:
None mentioned.
How to administer Xiidra?
- It is indicated only for topical ophthalmic use.
- Before instilling the eye drops, remove contact lenses and wait for at least 15 minutes before re-inserting them.
- Do not touch the dropper tip with the eyes, surrounding area, or any surface so as to avoid contamination.
- After administration, discard the single-use container and any unused solution.
Mechanism of action of Lifitegrast (Xiidra):
By binding to the Integrin lymphocyte function-associated Antigen-1 (LFA-1), it blocks LFA-1's interaction with its cognate ligand, intercellular adhesionmolecule-1 (ICAM-1).
International Brand Names of Lifitegrast:
- Xiidra
Brand Names in Pakistan:
No Brands Available in Pakistan.