AK-FLUOR description, usages, side effects, indications, overdosage, supplying and lots more!

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AK-FLUOR

Akorn

HIGHLIGHTS OF PRESCRIBING INFORMATIONThese highlights do not include all the information needed to use AK-FLUOR safely and effectively. See full prescribing information for AK-FLUOR. AK-FLUOR (fluorescein sodium) injection for intravenous use Initial U.S. Approval: 1976INDICATIONS AND USAGEAK-FLUOR® is indicated in diagnostic fluorescein angiography or angioscopy of the retina and iris vasculature. (1)DOSAGE AND ADMINISTRATION The normal adult dose of AK-FLUOR® 10% is 5 mL (500 mg) and of AK-FLUOR® 25% is 2 mL (500 mg) via intravenous administration. (2.1) For children, the dose should be calculated on the basis of 35 mg for each ten pounds of body weight (7.7 mg/kg body weight). (2.2) Do not mix or dilute with other solutions or drugs. (2.2) DOSAGE FORMS AND STRENGTHS AK-FLUOR® (fluorescein injection, USP) 10%, 100 mg/mL in a 5 mL single dose vial (3) AK-FLUOR® (fluorescein injection, USP) 25%, 250 mg/mL in a 2 mL single dose vial (3) CONTRAINDICATIONS Hypersensitivity to any component of this product. (4.1) WARNINGS AND PRECAUTIONS Respiratory reactions.(5.1) Severe local tissue damage. (5.2) Side EffectsThe most common adverse reactions include skin discoloration, urine discoloration, nausea, vomiting, and gastrointestinal distress. To report SUSPECTED ADVERSE REACTIONS, contact Akorn at 1-800-932-5676 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch USE IN SPECIFIC POPULATIONSCaution should be exercised when fluorescein sodium is administered to a nursing woman. (8.3)


FULL PRESCRIBING INFORMATION: CONTENTS*




FULL PRESCRIBING INFORMATION

1 INDICATIONS AND USAGE

AK-FLUOR® 10% (100 mg/mL) and 25% (250 mg/mL) is indicated in diagnostic fluorescein angiography or angioscopy of the retina and iris vasculature.

2 DOSAGE AND ADMINISTRATION

2.1 Dosing

Adult Dose

The recommended dosage of AK-FLUOR® 10% (100 mg/mL) and of 25% (250 mg/mL) is 500 mg via intravenous administration.

Pediatric Dose

For children, the dose is 7.7 mg/kg (actual body weight) up to a maximum of 500 mg, via intravenous infusion calculated on the basis of 35 mg for each 10 lbs. (4.54 kg) of body weight.

2.2 Preparation for Administration

Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration. Do not mix or dilute with other solutions or drugs.

2.3 Administration

Inject the dose (over 5-10 seconds is normally recommended) into the antecubital vein, after taking precautions to avoid extravasation. A syringe, filled with AK-FLUOR®, may be attached to transparent tubing and a 23 gauge butterfly needle for injection. Insert the needle and draw the patient's blood to the hub of the syringe so that a small air bubble separates the patient's blood in the tubing from the fluorescein. With the room lights on, slowly inject the blood back into the vein while watching the skin over the needle tip. If the needle has extravasated, the patient's blood will be seen to bulge the skin and the injection should be stopped before any fluorescein is injected. When assured that extravasation has not occurred, the room light may be turned off and the fluorescein injection completed. Luminescence usually appears in the retina and choroidal vessels in 7 to 14 seconds and can be observed by standard viewing equipment.

Reduction in dose from 500 mg to 200 mg of AK-FLUOR® 10% may be appropriate in cases when a highly sensitive imaging system e.g., scanning laser ophthalmoscope is used.

3 DOSAGE FORMS AND STRENGTHS

AK-FLUOR® (fluorescein injection, USP) 10%, 100 mg/mL in a 5 mL single use vial.

AK-FLUOR® (fluorescein injection, USP) 25%, 250 mg/mL in a 2 mL single use vial.

4 CONTRAINDICATIONS

4.1 Hypersensitivity

AK-FLUOR® is contraindicated in patients with known hypersensitivity to fluorescein sodium or any other ingredients in this product. Rare cases of death due to anaphylaxis have been reported [see Warnings and Precautions (5.1) and Adverse Reactions (6.2) ].

5 WARNINGS AND PRECAUTIONS

5.1 Respiratory Reactions

Caution should be exercised in patients with a history of allergy or bronchial asthma. An emergency tray should always be available.

If a potential allergy is suspected, an intradermal skin test may be performed prior to intravenous administration, i.e., 0.05 mL injected intradermally to be evaluated 30 to 60 minutes following injection. Given the sensitivity and specificity of skin testing, a negative skin test is not proof that a patient is not allergic to fluorescein.

5.2 Severe local tissue damage

Extravasation during injection can result in severe local tissue damage due to high pH of fluorescein solution. The following complications resulting from extravasation of fluorescein have been noted to occur: Sloughing of the skin, superficial phlebitis, subcutaneous granuloma, and toxic neuritis along the median nerve in the antecubital area. Complications resulting from extravasation can cause severe pain in the arm for up to several hours. When extravasation occurs, the injection should be discontinued and conservative measures to treat damaged tissue and to relieve pain should be implemented. [see Administration (2.3) and Adverse Reactions (6.6) ].

6 ADVERSE REACTIONS

6.1 Skin and urine discoloration

The most common reaction is discoloration of the skin and urine. Skin will attain a temporary yellowish discoloration. Urine attains a bright yellow color. Discoloration of the skin usually fades in 6 to 12 hours and usually fades in urine in 24 to 36 hours.

6.2 Gastrointestinal Reaction

The next most common adverse reaction is nausea. Vomiting, and gastrointestinal distress have also occurred. A strong taste may develop after injection.

6.3 Hypersensitivity Reactions

Symptoms and signs of hypersensitivity have occurred. Generalized hives and itching, bronchospasm and anaphylaxis have been reported. [see Contraindications (4.1) and Warnings and Precautions (5.1) ]

6.4 Cardiopulmonary Reactions

Syncope and hypotension may occur. Cardiac arrest, basilar artery ischemia, severe shock and death may occur rarely. [see Warnings and Precautions (5.1) ]

6.5 Neurologic Reactions

Headache may occur. Convulsions may rarely occur following injection.

6.6 Thrombophlebitis

Thrombophlebitis at the injection site has been reported. Extravasation of the solution at the injection site causes intense pain at the site and a dull aching pain in the injected arm. [see Administration (2.3) and Warnings and Precautions (5.2) ].

8 USE IN SPECIFIC POPULATIONS

8.1 Pregnancy

Pregnancy Category C. Adequate animal reproduction studies have not been conducted with fluorescein sodium. It is also not known whether fluorescein sodium can cause fetal harm when administered to a pregnant woman. Fluorescein sodium should be given to a pregnant woman only if clearly needed.

8.3 Nursing Mothers

Fluorescein sodium has been demonstrated to be excreted in human milk. Caution should be exercised when fluorescein sodium is administered to a nursing woman.

8.4 Pediatric Use

Pediatric patients have been included in clinical studies. No overall differences in safety or effectiveness have been observed between pediatric and adult patients.

8.5 Geriatric Use

No overall differences in safety or effectiveness have been observed between elderly and other adult patients.

11 DESCRIPTION

AK-FLUOR® (fluorescein injection, USP) is a sterile solution for use intravenously as a diagnostic aid. It is a dark reddish orange solution with a pH of 8.3 - 9.8 and an osmolality of 572 to 858 mOsm/kg for the 10% and 1800 to 2200 mOsm/kg for the 25%. Its chemical name is spiro[isobenzofuran-1 (3H),9'-[9H]xanthene]-3-one,3'6'-dihydroxy, disodium salt. The active ingredient is represented by the chemical structure:

AK-FLUOR

MW = 376.27

AK-FLUOR® 10% contains:

Active: fluorescein sodium (equivalent to fluorescein 10 % w/v, 100 mg/mL)

Inactives: Sodium Hydroxide and/or Hydrochloric Acid may be used to adjust pH (8.3 to 9.8), and Water for Injection.

AK-FLUOR® 25% contains:

Active: fluorescein sodium (equivalent to fluorescein 25% w/v, 250 mg/mL)

Inactives: Sodium Hydroxide and/or Hydrochloric Acid may be used to adjust pH (8.3 to 9.8), and Water for Injection.

12 CLINICAL PHARMACOLOGY

12.1 Mechanism of Action

Fluorescein sodium responds to electromagnetic radiation and light between the wavelengths of 465 to 490 nm and fluoresces, i.e., emits light at wavelengths of 520 to 530 nm. Thus, the hydrocarbon is excited by blue light and emits light that appears yellowish green. Following intravenous injection of fluorescein sodium in an aqueous solution, the unbound fraction of the fluorescein can be excited with a blue light flash from a fundus camera as it circulates through the ocular vasculature, and the yellowish green fluorescence of the dye is captured by the camera. In the fundus, the fluorescence of the dye demarcates the retinal and/or choroidal vasculature under observation, distinguishing it from adjacent areas/structures.

12.3 Pharmacokinetics

Distribution.

Within 7 to 14 seconds after IV administration into the antecubital vein, fluorescein usually appears in the central retinal artery of the eye. Within a few minutes of IV administration of fluorescein sodium, a yellowish discoloration of the skin occurs, which begins to fade 6 to 12 hours after dosing. Various estimates of volume of distribution indicate that fluorescein distributes into interstitial space (0.5 L/kg).

Metabolism.

Fluorescein is metabolized to fluorescein monoglucuronide. After IV administration of fluorescein sodium (14 mg/kg) to 7 healthy subjects, approximately 80% of fluorescein in plasma was converted to glucuronide conjugate after a period of 1 hour post dose.

Excretion.

Fluorescein and its metabolite are mainly eliminated via renal excretion. After IV administration, the urine remains slightly fluorescent for 24 to 36 hours. A renal clearance of 1.75 mL/min/kg and a hepatic clearance (due to conjugation) of 1.50 mL/min/kg have been estimated. The systemic clearance of fluorescein was essentially complete by 48 to 72 hours after administration of 500 mg fluorescein.

13 NONCLINICAL TOXICOLOGY

13.1 Carcinogenesis, Mutagenesis, Impairment of Fertility

There have been no long-term studies done using fluorescein in animals to evaluate carcinogenic potential.

16 HOW SUPPLIED/STORAGE AND HANDLING

AK-FLUOR® (fluorescein injection, USP) 10% is supplied in a single-use 5 mL glass vial with a gray bromobutyl serum siliconized stopper and orange flip-off cap. It contains a sterile dark reddish orange solution of fluorescein sodium.

(NDC 17478-253-10) 5 mL, single dose vials in a package of 12.

AK-FLUOR® (fluorescein injection, USP) 25% is supplied in a single-use 2 mL glass vial with a gray bromobutyl serum siliconized stopper and orange flip-off cap. It contains a sterile dark reddish orange solution of fluorescein sodium.

(NDC 17478-250-20) 2 mL, single dose vials in a package of 12.

AK-FLUOR® should be stored at 20° to 25°C (68° to 77°F). Do not freeze.

17 PATIENT COUNSELING INFORMATION

After administration of fluorescein sodium, skin will attain a temporary yellowish discoloration. Urine attains a bright yellow color. Discoloration of the skin usually fades in 6 to 12 hours and usually fades in urine in 24 to 36 hours. [see Warnings and Precautions (6.1) ].

Rx only

Manufactured by:
Akorn Inc.
Lake Forest, IL 60045

FL00N
Rev. 07/08

Principal Display Panel Text for Container Label:

NDC 17478-253-10

AK-FLUOR ® 10%

Fluorescein Injection, USP

100 mg/mL

5mL Sterile Vial

For IV Injection. Rx only

Principal Display Panel Text for Carton Label:

[Akorn Logo] NDC 17478-253-10

AK-FLUOR ® 10%

Fluorescein Injection, USP

100 mg/mL

12 Sterile Vials (5mL each)

Rx only

AK-FLUOR

fluorescein sodium INJECTION

Product Information

Product Type Human prescription drug label Item Code (Source) NDC:17478-253
Route of Administration INTRAVENOUS DEA Schedule

Active Ingredient/Active Moiety

Ingredient Name Basis of Strength Strength
FLUORESCEIN SODIUM FLUORESCEIN 100 mg

Inactive Ingredients

Ingredient Name Strength
SODIUM HYDROXIDE
HYDROCHLORIC ACID
water

Packaging

# Item Code Package Description Marketing Start Date Marketing End Date
1 5 in 1 VIAL, SINGLE-DOSE
2 NDC:17478-253-10 12 in 1 PACKAGE

Marketing Information

Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date
NDA NDA022186 2008-10-01


AK-FLUOR

fluorescein sodium INJECTION

Product Information

Product Type Human prescription drug label Item Code (Source) NDC:17478-250
Route of Administration INTRAVENOUS DEA Schedule

Active Ingredient/Active Moiety

Ingredient Name Basis of Strength Strength
FLUORESCEIN SODIUM FLUORESCEIN 250 mg

Inactive Ingredients

Ingredient Name Strength
SODIUM HYDROXIDE
HYDROCHLORIC ACID
water

Packaging

# Item Code Package Description Marketing Start Date Marketing End Date
1 2 in 1 VIAL, SINGLE-DOSE
2 NDC:17478-250-20 12 in 1 PACKAGE

Marketing Information

Marketing Category Application Number or Monograph Citation Marketing Start Date Marketing End Date
NDA NDA022186 2008-10-01


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