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All about: Miochol-E

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Generic Name: acetylcholine chloride
Dosage Form: Intraocular solution

T2007-10

Miochol®-E

(acetylcholine chloride intraocular solution)

1:100 with Electrolyte Diluent

Rx only

Prescribing Information

Miochol-E Description

Miochol®-E (acetylcholine chloride intraocular solution) is a parasympathomimetic preparation for intraocular use. It is packaged in a blister pack containing one vial and one ampoule. The vial contains 20 mg acetylcholine chloride and 56 mg mannitol. The accompanying ampoule contains 2 mL of a modified diluent of sodium acetate trihydrate, potassium chloride, magnesium chloride hexahydrate, calcium chloride dihydrate and sterile water for injection.

      The reconstituted liquid will be a sterile isotonic solution (275-330 milliosmoles/Kg) containing 20 mg acetylcholine chloride (1:100 solution) and 2.8% mannitol. The pH range is 5.0-8.2. Mannitol is used in the process of lyophilizing acetylcholine chloride, and is not considered an active ingredient.

      The chemical name for acetylcholine chloride, C7H16ClNO2, is Ethanaminium, 2-(acetyloxy)-N,N,N-trimethyl-, chloride and is represented by the following chemical structure:

     

Miochol-E - Clinical Pharmacology

Acetylcholine is a naturally occurring neurohormone which mediates nerve impulse transmission at all cholinergic sites involving somatic and autonomic nerves. After release from the nerve ending, acetylcholine is rapidly inactivated by the enzyme acetylcholinesterase by hydrolysis to acetic acid and choline.

      Direct application of acetylcholine to the iris will cause rapid miosis of short duration. Topical ocular instillation of acetylcholine to the intact eye causes no discernible response as cholinesterase destroys the molecule more rapidly than it can penetrate the cornea.

Indications and Usage for Miochol-E

To obtain miosis of the iris in seconds after delivery of the lens in cataract surgery, in penetrating keratoplasty, iridectomy and other anterior segment surgery where rapid miosis may be required.

Contraindications

Miochol®-E (acetylcholine chloride intraocular solution) is contraindicated in persons with a known hypersensitivity to any component of this product.

Warnings

DO NOT GAS STERILIZE. If blister or peelable backing is damaged or broken, sterility of the enclosed vial and ampoule cannot be assured. Open under aseptic conditions only.

Precautions

General

If miosis is to be obtained quickly with Miochol®-E (acetylcholine chloride intraocular solution), anatomical hindrances to miosis, such as anterior or posterior synechiae, must be released, prior to administration of Miochol-E. During cataract surgery, use Miochol-E only after delivery of the lens.

      Aqueous solutions of acetylcholine chloride are unstable. Prepare solution immediately before use. Do not use solution which is not clear and colorless. Discard any solution that has not been used.

Drug Interactions

Although clinical studies with acetylcholine chloride and animal studies with acetylcholine or carbachol revealed no interference, and there is no known pharmacological basis for an interaction, there have been reports that acetylcholine chloride and carbachol have been ineffective when used in patients treated with topical nonsteroidal anti-inflammatory agents.

Pediatric Use

Safety and effectiveness in pediatric patients have not been established.

Adverse Reactions

Infrequent cases of corneal edema, corneal clouding, and corneal decompensation have been reported with the use of intraocular acetylcholine.

      Adverse reactions have been reported rarely which are indicative of systemic absorption. These include bradycardia, hypotension, flushing, breathing difficulties and sweating.

Overdosage

Atropine sulfate (0.5 to 1 mg) should be given intramuscularly or intravenously and should be readily available to counteract possible overdosage. Epinephrine (0.1 to 1 mg subcutaneously) is also of value in overcoming severe cardiovascular or bronchoconstrictor responses.

Miochol-E Dosage and Administration

Miochol®-E (acetylcholine chloride intraocular solution) is instilled into the anterior chamber before or after securing one or more sutures. Instillation should be gentle and parallel to the iris face and tangential to pupil border.

      If there are no mechanical hindrances, the pupil starts to constrict in seconds and the peripheral iris is drawn away from the angle of the anterior chamber. Any anatomical hindrance to miosis must be released to permit the desired effect of the drug. In most cases, 0.5 to 2 mL produces satisfactory miosis. Note that the syringe filter supplied with Miochol-E has a priming volume of 0.6 mL (approximately).

      In cataract surgery, use Miochol-E only after delivery of the lens.

      Aqueous solutions of acetylcholine chloride are unstable. Prepare solution immediately before use. Do not use solution which is not clear and colorless. Discard any solution that has not been used.

DIRECTIONS FOR PREPARING MIOCHOL®-E:

STERILE UNLESS PACKAGE OPEN OR BROKEN

  1. Inspect the unopened blister, vial and ampoule to ensure that they are all intact. Peel open the blister under a sterile field. Maintain sterility of the outer containers of the vial and ampoule during preparation of solution.
  2. Aseptically attach a sterile 18-20 gauge, beveled needle to the luer tip of a sterile disposable syringe with a twisting motion to assure a secure fit.
  3. Break open the ampoule containing the diluent. The One Point Cut (OPC) ampoule must be opened as follows: Hold the bottom part of the ampoule with the thumb pointing to the colored dot. Grasp the top of the ampoule with the other hand, positioning the thumb at the colored dot, and press back to break at the existing cut under the dot.
  4. Remove the needle protector and withdraw the diluent from the ampoule into the syringe. Discard the ampoule.
  5. Remove and discard the cap from the top of the vial.
  6. Insert the needle through the center of the vial stopper, and transfer the diluent from the syringe to the vial. Shake gently to dissolve the powder.
  7. Slowly withdraw the solution from the vial through the needle into the syringe. Discard the needle.
  8. Aseptically open the syringe filter pouch, and attach the filter onto the luer tip of the syringe with a twisting motion to assure a secure fit.
  9. Aseptically attach a sterile blunt tip irrigation cannula to the male luer of the filter prior to intraocular irrigation.

Discard the filter appropriately after use.

Do not reuse the syringe filter.

Do not aspirate and inject through the same filter.

How is Miochol-E Supplied

Miochol®-E (acetylcholine chloride intraocular solution). . . . . . . . . NDC 0078-0474-61

One blister pack containing the following components:

  • Vial of 20 mg acetylcholine chloride powder for intraocular solution
  • Ampoule of 2 mL diluent

One 0.2 micron sterile filter 

  • Priming volume 0.6 mL (approximately)

Store at 4º-25ºC (39º-77ºF).

KEEP FROM FREEZING. 

REV:      MARCH 2007                                         T2007-10

Manufactured by:

Novartis Pharma Stein AG

Stein, Switzerland

Distributed by:

Novartis Pharmaceuticals Corporation

East Hanover, New Jersey 07936

©Novartis


Miochol-E (acetylcholine chloride)
PRODUCT INFO
Product Code 0078-0474 Dosage Form KIT
PACKAGING
# NDC Package Description Multilevel Packaging
1 0078-0474-61 1 KIT In 1 BLISTER PACK None
QUANTITY OF PARTS
Part # Package Quantity Total Product Quantity
Part 1 1 VIAL  2 MILLILITER  In 1 
Part 2 1 AMPULE  2 MILLILITER  In 1 
Part 1 of 2
Miochol-E (acetylcholine chloride)
Route Of Administration INTRAOCULAR Dosage Form SOLUTION
DEA Schedule
INGREDIENTS
Name (Active Moiety) Type Strength
acetylcholine chloride (acetylcholine cation) Active 20 MILLIGRAM  In 2 MILLILITER
mannitol Inactive 56 MILLIGRAM  In 2 MILLILITER
IMPRINT INFORMATION
Characteristic Appearance Characteristic Appearance
Color Score
Shape Symbol
Imprint Code Coating
Size
PACKAGING
# NDC Package Description Multilevel Packaging
1 2 MILLILITER In 1 VIAL None
Part 2 of 2
diluent (diluent)
Route Of Administration INTRAOCULAR Dosage Form SOLUTION
DEA Schedule
INGREDIENTS
Name (Active Moiety) Type Strength
calcium chloride dihydrate Inactive  
magnesium chloride hexahydrate Inactive  
potassium chloride Inactive  
sodium acetate trihydrate Inactive  
water Inactive  
IMPRINT INFORMATION
Characteristic Appearance Characteristic Appearance
Color Score
Shape Symbol
Imprint Code Coating
Size
PACKAGING
# NDC Package Description Multilevel Packaging
1 2 MILLILITER In 1 AMPULE None

Revised: 05/2007

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