Lymphatic Vessel Delineation
Isosulfan Blue Injection 1% 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.
Isosulfan Blue Injection Dosage and Administration
Subcutaneous administration
Isosulfan Blue Injection 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.
Dosage Forms and Strengths
1% aqueous solution (isosulfan blue)
Contraindications
Isosulfan Blue Injection 1% is contraindicated in those individuals with known hypersensitivity to triphenylmethane or related compounds.
Warnings and Precautions
Hypersensitivity Reactions
Life-threatening anaphylactic reactions (respiratory distress, shock, angioedema) have occurred after Isosulfan Blue Injection 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 Isosulfan Blue Injection 1%. Trained personnel should be available to administer emergency care including resuscitation.
Precipitation of Isosulfan Blue Injection 1% by Lidocaine
The admixture of Isosulfan Blue Injection 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
Isosulfan Blue Injection 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.
Isosulfan Blue Injection 1% may also cause falsely elevated readings of methemoglobin by arterial blood gas analyzer. Therefore, co-oximetry may be needed to verify methemoglobin level.
Adverse Reactions
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 (5)].
Laboratory Tests: Isosulfan Blue Injection 1% interferes with measurements of oxygen saturation by pulse oximetry and of methemoglobin by gas analyzer [see Warnings and Precautions (5)].
Skin: transient or long-term (tattooing) blue coloration.
Drug Interactions
No drug interactions have been identified with Isosulfan Blue Injection 1%.
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 Isosulfan Blue Injection 1% is administered to a nursing mother.
Pediatric Use
Safety and effectiveness of Isosulfan Blue Injection 1% in children have not been established.
Overdosage
Do not exceed indicated recommended dosage as overdosage levels have not been identified for Isosulfan Blue Injection 1%.
Isosulfan Blue Injection Description
The chemical name of Isosulfan Blue Injection 1% is N-[4- [[4-(diethylamino)phenyl] (2,5-disulfophenyl) methylene]-2,5-cyclohexadien-1-ylidene]-N-ethylethanaminium hydroxide, inner salt, sodium salt. Its structural formula is:
ISOSULFAN BLUE
Isosulfan Blue Injection 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. Isosulfan Blue Injection 1% is a contrast agent for the delineation of lymphatic vessels.
Isosulfan Blue Injection - Clinical Pharmacology
Pharmacodynamics
Following subcutaneous administration, Isosulfan Blue Injection 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 Isosulfan Blue Injection 1% is excreted unchanged in the urine in 24 hours in humans.
Nonclinical Toxicology
Carcinogenesis, Mutagenesis, Impairment of Fertility
Long-term studies in animals have not been performed to evaluate the carcinogenic potential of Isosulfan Blue Injection 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 Isosulfan Blue Injection 1%. It is not known whether Isosulfan Blue Injection 1% can cause fetal harm when administered to a pregnant woman or can affect reproduction capacity. Isosulfan Blue Injection 1% should be given to a pregnant woman only if clearly needed.
How Supplied/Storage and Handling
Isosulfan Blue Injection 1% is supplied as a 5 mL single use vial, 1% aqueous solution in a phosphate buffer prepared by appropriate manufacturing to be sterile and pyrogen-free.
Bioniche Pharma
NDC 67457-220-05 containing 6 × 5 mL single use vials.
NOVAPLUS®
NDC 67457-259-05 containing 6 × 5 mL single use vials.
Novation and NOVAPLUS are registered trademarks of Novation LLC.
Storage
Vials should be stored at controlled room temperature 20° to 25°C (68° to 77°F) [see USP]. Avoid excessive heat.
Patient Counseling Information
Inform patients that urine color may be blue for 24 hours following administration of Isosulfan Blue Injection 1%.
Manufactured for:
Bioniche Pharma USA LLC
Lake Forest, IL 60045
P100830
August 2010
PRINCIPAL DISPLAY PANEL - 50 mg/5 mL Vial Label
NDC 67457-220-05
Rx only
Isosulfan Blue
Injection 1%
50 mg/5 mL
(10 mg/mL)
(for subcutaneous use only)
5 mL SINGLE USE VIAL
Each mL contains Isosulfan Blue 10 mg
Sterile, Non-Pyrogenic, Single Dose
Container. Contains no preservatives.
Not for Multiple Use.
Discard Unused Portion.
Dosage: See Package Insert
Store at 20° to 25° (68° to 77°) [See
USP Controlled Room Temperature].
Avoid excessive heat.
L100308
PRINCIPAL DISPLAY PANEL - 50 mg/5 mL Vial Label
NDC 67457-259-05
Rx only
Isosulfan Blue
Injection 1%
50 mg/5 mL (10 mg/mL)
(for subcutaneous
use only)
5 mL SINGLE USE VIAL
Each mL contains Isosulfan Blue 10 mg
Sterile, Non-Pyrogenic, Single Dose
Container. Contains no preservatives.
Not for Multiple Use.
Discard Unused Portion.
Dosage: See Package Insert
Store at 20° to 25° (68° to 77°) [See
USP Controlled Room Temperature].
Avoid excessive heat.
L100830
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Marketing Information | |||
Marketing Category | Application Number or Monograph Citation | Marketing Start Date | Marketing End Date |
ANDA | ANDA090874 | 09/27/2011 |
ISOSULFAN BLUE isosulfan blue injection, solution | ||||||||||||||||||||
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Marketing Information | |||
Marketing Category | Application Number or Monograph Citation | Marketing Start Date | Marketing End Date |
ANDA | ANDA090874 | 09/27/2011 |
Labeler - Bioniche Pharma USA LLC (790384502) |
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