About The Drug Lymphazurin aka Isosulfan Blue

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Find Lymphazurin side effects, uses, warnings, interactions and indications. Lymphazurin is also known as Isosulfan Blue.

Lymphazurin

Lymphazurin Prescription Drug Bottle
About Lymphazurin aka Isosulfan Blue

What's The Definition Of The Medical Condition Lymphazurin?

Clinical Pharmacology

CLINICAL PHARMACOLOGY Pharmacodynamics Following subcutaneous administration, Lymphazurin 1% binds to serum proteins and is picked up by the lymphatic vessels. Thus, the lymphatic vessels are delineated by the blue dye. Pharmacokinetics Up to 10% of the subcutaneously administered dose of Lymphazurin 1% is excreted unchanged in the urine in 24 hours in human.

Drug Description

Find Lowest Prices on LYMPHAZURIN (isosulfan blue) Injection, Solution for Subcutaneous Use DESCRIPTION The chemical name of Lymphazurin 1% (isosulfan blue) is N-[4-[[4-(diethylamino)phenyl] (2,5- disulfophenyl) methylene]-2,5-cyclohexadien-1-ylidene]-N-ethylehananamunium hydroxide, inner salt, sodium salt. Its structural formula is: Lymphazurin 1% is a sterile aqueous solution for subcutaneous administration. Phosphate buffer in sterile, pyrogen free water is added in sufficient quantity to yield a final pH of 6.8-7.4. Each ml of solution contains 10 mg Isosulfan blue, 6.6 mg sodium monohydrogen phosphate and 2.7 mg potassium dihydrogen phosphate. The solution contains no preservative. Lymphazurin 1% is a contrast agent for the delineation of lymphatic vessels.

Indications & Dosage

INDICATIONS Lymphatic Vessel Delineation Lymphazuirn™ 1% (isosulfan blue) upon subcutaneous administration, delineates lymphatic vessels draining the region of injection. It is an adjunct to lymphography in: primary and secondary lymphedema of the extremities; chyluria, chylous ascites or chylothorax; lymph node involvement by primary or secondary neoplasm; and lymph node response to therapeutic modalities. DOSAGE AND ADMINISTRATION Subcutaneous Administration Lymphazurin™ 1% is to be administered subcutaneously, one-half (1/2) ml into three (3) interdigital spaces of each extremity per study. A maximum dose of 3 ml (30 mg) isosulfan blue is, therefore, injected. HOW SUPPLIED Dosage Forms And Strengths 1% aqueous solution (isosulfan blue) Storage And Handling Lymphazurin 1% is supplied as a 5 ml single dose vial, 1% aqueous solution in a phosphate buffer prepared by appropriate manufacturing to be sterile and pyrogen-free. Distributed by: Tyco Healthcare Montreal, Quebec Canada, H9R 5H8. Revised: Jan 2012

Medication Guide

PATIENT INFORMATION Inform patients that urine color may be blue for 24 hours following administration of Lymphazurin 1%.

Overdosage & Contraindications

OVERDOSE Do not exceed indicated recommended dosage as overdosage levels have not been identified for Lymphazurin 1%. CONTRAINDICATIONS Lymphazurin™ 1% (isosulfan blue) is contraindicated in those individuals with known hypersensitivity to triphenylmethane or related compounds.

Side Effects & Drug Interactions

SIDE EFFECTS Postmarketing Experience Hypersensitivity Reactions: Case series report an overall incidence of hypersensitivity reactions in approximately 2% of patients. Life-threatening anaphylactic reactions have occurred. Manifestations include respiratory distress, shock, angioedema, urticaria, pruritus. A death has been reported following administration of a similar compound employed to estimate the depth of a severe burn. Reactions are more likely to occur in patients with a personal or family history of bronchial asthma, significant allergies, drug reactions or previous reactions to triphenylmethane dyes [see WARNINGS AND PRECAUTIONS]. Laboratory tests: Lymphazurin 1% interferes with measurements of oxygen saturation by pulse oximetry and of methemoglobin by gas analyzer [see WARNINGS AND PRECAUTIONS]. Skin: transient or long-term (tattooing) blue coloration. DRUG INTERACTIONS No Drug Interactions have been identified with Lymphazurin 1%.

Warnings & Precautions

WARNINGS Included as part of the "PRECAUTIONS" Section PRECAUTIONS Hypersensitivity Reactions Life-threatening anaphylactic reactions (respiratory distress, shock, angioedema) have occurred after Lymphazurin 1% administration. Reactions are more likely to occur in patients with a history of bronchial asthma, allergies, drug reactions or previous reactions to triphenylmethane dyes. Monitor patients closely for at least 60 minutes after administration of Lymphazurin 1%. Trained personnel should be available to administer emergency care including resuscitation. Precipitation Of Lymphazurin 1% By Lidocaine The admixture of Lymphazurin 1% (with local anesthetics (i.e. lidocaine)) in the same syringe results in an immediate precipitation of 4 – 9% drug complex. Use a separate syringe to administer a local anesthetic. Interference With Oxygen Saturation And Methemoglobin Measurements Lymphazurin 1% interferes with measurements of oxygen saturation in peripheral blood by pulse oximetry and can cause falsely low readings. The interference effect is maximal at 30 minutes and minimal generally by four hours after administration. Arterial blood gas analysis may be needed to verify decreased arterial partial pressure of oxygen. Lymphazurin 1% may also cause falsely elevated readings of methemoglobin by arterial blood gas analyzer. Therefore, co-oximetry may be needed to verify methemoglobin level. Nonclinical Toxicology Carcinogenesis, Mutagenesis, Impairment Of Fertility Long-term studies in animals have not been performed to evaluate the carcinogenic potential of Lymphazurin 1%. Reproduction studies in animals have not been conducted and, therefore, it is unknown if a problem concerning mutagenesis or impairment of fertility in either males or females exists. Teratogenic Effects Pregnancy Category C Animal reproduction studies have not been conducted with Lymphazurin 1%. It is not known whether Lymphazurin 1% can cause fetal harm when administered to a pregnant woman or can affect reproduction capacity. Lymphazurin 1% should be given to a pregnant woman only if clearly needed. Use In Specific Populations Nursing Mothers It is not known whether this drug is excreted in human milk. Because many drugs are excreted in human milk, caution should be exercised when Lymphazurin™ 1% (isosulfan blue) is administered to a nursing mother. Pediatric Use Safety and effectiveness of Lymphazurin™ 1% (isosulfan blue) in children have not been established.

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