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Medically reviewed by Fedorchenko Olga Valeryevna, PharmD. Last updated on 28.03.2022
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Omidria® is added to an ocular irrigating solution used during cataract surgery or intraocular lens replacement and is indicated for maintaining pupil size by preventing intraoperative miosis and reducing postoperative ocular pain.
Omidria must be diluted prior to intraocular use. For administration to patients undergoing cataract surgery or intraocular lens replacement, 4 mL of Omidria is diluted in 500 mL of ocular irrigating solution. Irrigation solution is to be used as needed for the surgical procedure for a single patient.
The storage period for the diluted product is not more than 4 hours at room temperature or 24 hours under refrigerated conditions.
Do not use if the solution is cloudy or if it contains particulate matter.
Omidria is contraindicated in patients with a known hypersensitivity to any of its ingredients.
WARNINGS
Included as part of the "PRECAUTIONS" Section
PRECAUTIONS
Elevated Blood Pressure
Systemic exposure to phenylephrine can cause elevations in blood pressure.
Cross-Sensitivity Or Hypersensitivity
There is the potential for cross-sensitivity to acetylsalicylic acid, phenylacetic acid derivatives, and other non-steroidal anti-inflammatory drugs (NSAIDs). There have been reports of bronchospasm or exacerbation of asthma associated with the use of ketorolac in patients who either have a known hypersensitivity to aspirin/NSAIDs or a past medical history of asthma.
Therefore, use Omidria with caution in individuals who have previously exhibited sensitivities to these drugs.
Use In Specific Populations
Pregnancy
Risk Summary
There are no available data on Omidria use in pregnant women or animals to inform any drug-associated risks. Oral administration of ketorolac to rats during late gestation produced dystocia and increased pup mortality at a dose 740-times the plasma exposure at the recommended human ophthalmic dose [RHOD]. Since human systemic exposure to Omidria following a lens replacement procedure is low , the applicability of animal findings to the risk of Omidria in humans during pregnancy is unclear. Omidria should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus.
Clinical Considerations
Fetal/Neonatal Adverse Reactions
Premature closure of the ductus arteriosus in the fetus has occurred with third trimester use of oral and injectable NSAIDs. Ketorolac plasma concentrations are detectable following ocular Omidria administration. The use of Omidria during late pregnancy should be avoided.
Data
Animal Data
No well-controlled animal reproduction studies have been conducted with Omidria or phenylephrine.
Ketorolac, administered during organogenesis, did not cause embryofetal abnormalities or mortalities in rabbits or rats at oral doses of 3.6 mg/kg/day and 10 mg/kg/day, respectively. These doses produced systemic exposure that is 1150 times and 4960 times the plasma exposure (based on Cmax) at the RHOD, respectively. When administered to rats during late gestation (after Day 17 of gestation) at oral doses up to 1.5 mg/kg/day (740 times the plasma exposure at the RHOD), ketorolac produced dystocia and increased pup mortality.
Lactation
Risk Summary
There are no data on the presence of Omidria in human milk, the effects on the breastfed infant, or the effects on milk production. Howerver, systemic exposure to Omidria, following a lens replacement procedure is low. The developmental and health benefits of breastfeeding should be considered along with the mother¡¦s clinical need for Omidria and any potential adverse effects on the breastfed child from Omidria.
Pediatric Use
The safety and effectiveness of Omidria have been established in the pediatric population from neonates to adolescents (birth to younger than 17 years). Use of Omidria in this population is supported by evidence from adequate and well-controlled studies of Omidria in adults with additional data from a single active-controlled safety study in pediatric patients up to 3 years old.
No overall differences in safety was observed between pediatric and adult patients.
Geriatric Use
No overall differences in safety or effectiveness have been observed between elderly and adult patients.
Clinical Studies Experience
Because clinical studies are conducted under widely varying conditions, adverse reaction rates observed in the clinical studies of a drug cannot be directly compared to the rates in the clinical studies of another drug and may not reflect the rates observed in practice.
Table 1 shows frequently reported ocular adverse reactions with an incidence of ≥ 2% of adult patients as seen in the combined clinical trial results from three randomized, placebo-controlled studies.
Table 1: Ocular Adverse Reactions Reported by ≥ 2% of Adult Patients
MedDRA Preferred Term | Placebo (N=462) | Omidria (N=459) |
n (%) | n (%) | |
Ocular Events | ||
Anterior Chamber Inflammation | 102 (22%) | 111 (24%) |
Intraocular Pressure Increased | 15 (3%) | 20 (4%) |
Posterior Capsule Opacification | 16 (4%) | 18 (4%) |
Eye Irritation | 6 (1%) | 9 (2%) |
Foreign Body Sensation in Eyes | 11 (2%) | 8 (2%) |
In a safety study that enrolled 72 pediatric patients up to 3 years old, no overall difference in safety was observed between pediatric and adult patients.
Systemic overdosage of phenylephrine may cause a rise in blood pressure. It may also cause headache, anxiety, nausea, vomiting, and ventricular arrhythmias. Supportive care is recommended.
In a pharmacokinetic study evaluating Omidria, systemic exposure to both phenylephrine and ketorolac was low or undetectable.
A single-dose of Omidria as part of the irrigation solution was administered in 14 patients during lens replacement surgery. The volume of irrigation solution used during surgery ranged between 150 mL to 300 mL (median 212.5 mL). Detectable phenylephrine plasma concentrations were observed in one of 14 patients (range 1.2 to 1.4 ng/mL) during the first 2 hours after the initiation of Omidria administration. The observed phenylephrine plasma concentrations could not be distinguished from the preoperative administration of phenylephrine 2.5% ophthalmic solution prior to exposure to Omidria.
Ketorolac plasma concentrations were detected in 10 of 14 patients (range 1.0 to 4.2 ng/mL) during the first 8 hours after the initiation of Omidria administration. The maximum ketorolac concentration was 15 ng/mL at 24 hours after the initiation of Omidria administration, which may have been due to application of postoperative ketorolac ophthalmic solution.