This information is not for clinical use. These highlights do not include all the information needed to use Mitosol safely and effectively. Before taking Mitosol please consult with your doctor. See full prescribing information for Mitosol.
Indications And Usage
Mitosol® is an antimetabolite indicated for use as an adjunct to ab externo glaucoma surgery. Mitosol® is an antimetabolite indicated as an adjunct to ab externo glaucoma surgery. (1)
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Dosage Forms And Strengths
Mitosol® is a sterile lyophilized mixture of mitomycin and mannitol, which, when reconstituted with Sterile Water for Injection, provides a solution for application in glaucoma filtration surgery. Mitosol® is supplied in vials containing 0.2 mg of mitomycin. Each vial also contains mannitol 0.4 mg, at a 1:2 ratio of mitomycin to mannitol. Each mL of reconstituted solution contains 0.2 mg mitomycin and has a pH between 5.0 and 8.0. Each vial contains a sterile lyophilized mixture of 0.2 mg mitomycin and 0.4 mg mannitol; when reconstituted with Sterile Water for Injection, the solution contains 0.2 mg/mL mitomycin. (3)
•Hypersensitivity to mitomycin. (4.1) •Women who are or may become pregnant during therapy. (4.2) 4.1 Hypersensitivity Mitosol® is contraindicated in patients that have demonstrated a hypersensitivity to mitomycin in the past. 4.2 Pregnant women Mitosol® may cause fetal harm when administered to a pregnant woman. Mitomycin administered parenterally has been shown to be teratogenic in mice and rats when given at doses equivalent to the usual human intravenous dose. Mitosol® is contraindicated in women who are or may become pregnant during therapy. If this drug is used during pregnancy, or if the patient becomes pregnant while taking this drug, the patient should be apprised of the potential hazard to the fetus.
Warning and Cautions
•Cell Death. Mitomycin is cytotoxic. Use of mitomycin in concentrations higher than 0.2 mg/mL or use for longer than 2 minutes may lead to unintended corneal and/or scleral damage including thinning or perforation. Direct contact with the corneal endothelium will result in cell death. (5.1) •Hypotony. The use of mitomycin has been associated with an increased incidence of post-operative hypotony. (5.2) •Cataract Development. Use in phakic patients has been correlated to a higher incidence of lenticular change and cataract formation. (5.3) 5.1 Cell Death Mitomycin is cytotoxic. Use of mitomycin in concentrations higher than 0.2 mg/mL or use for longer than 2 minutes may lead to unintended corneal and/or scleral damage including thinning or perforation. Direct contact with the corneal endothelium will result in cell death. 5.2 Hypotony The use of mitomycin has been associated with an increased incidence of post-operative hypotony. 5.3 Cataract Formation Use in phakic patients has been correlated to a higher incidence of lenticular change and cataract formation.
The most frequent adverse reactions to Mitosol® occur locally and include hypotony, hypotony maculopathy, blebitis, endophthalmitis, vascular reactions, corneal reactions, and cataract. (6.1) To report SUSPECTED ADVERSE REACTIONS, contact Mobius Therapeutics LLC at 1-877-393-6486 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch 6.1 Ophthalmic Adverse Reactions The most frequent adverse reactions to Mitosol® occur locally, as an extension of the pharmacological activity of the drug. These reactions include: Blebitis: bleb ulceration, chronic bleb leak, encapsulated/cystic bleb, bleb-related infection, wound dehiscence, conjunctivial necrosis, thin-walled bleb Cornea: corneal endothelial damage, epithelial defect, anterior synechiae, superficial punctuate keratitis, Descemet's detachment, induced astigmatism Endophthalmitis Hypotony: choroidal reactions (choroidal detachment, choroidal effusion, serous choroidal detachment, suprachoroidal hemorrhage, hypotony maculopathy, presence of supraciliochoroidal fluid, hypoechogenic suprachoroidal effusion) Inflammation: iritis, fibrin reaction Lens: cataract development, cataract progression, capsule opacification, capsular constriction and/or capsulotomy rupture, posterior synechiae Retina: retinal pigment epithelial tear, retinal detachment (serous and rhegatogenous) Scleritis: wound dehiscence Vascular: hyphema, central retinal vein occlusion, hemiretinal vein occlusion, retinal hemorrhage, vitreal hemorrhage and blood clot, subconjunctival hemorrhage, disk hemorrhage Additional Reactions: macular edema, sclera thinning or ulceration, intraocular lens capture, disk swelling, malignant glaucoma, lacrimal drainage system obstruction, ciliary block, corneal vascularization, visual acuity decrease, cystic conjunctival degeneration, upper eyelid retraction, dislocated implants, severe loss of vision.
Use In Specific Populations
8.1 Pregnancy Teratogenic Effects: Pregnancy Category X (see Contraindications, 4.2). 8.3 Nursing Mothers It is not known whether this drug is excreted in human milk. Because many drugs are excreted in human milk, and because of the potential for serious adverse reactions in nursing infants from Mitosol®, a decision should be made whether to discontinue nursing or to discontinue the drug, taking into account the importance of the drug to the mother. It is recommended that women receiving Mitosol® not breast feed because of the potential for serious adverse reactions in nursing infants. 8.4 Pediatric Use Safety and effectiveness in pediatric patients have not been established. 8.5 Geriatric Use No overall differences in safety and effectiveness have been observed between elderly and younger patients.