Data from FDA (Food and Drug Administration, USA) - Curated by EPG Health - Last updated 03 February 2017

Indication(s)

INDICATIONS AND USAGE Sinografin (Diatrizoate Meglumine and lodipamide Meglumine Injection) is indicated for use in hysterosalpingography.

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Advisory information

contraindications

CONTRAINDICATIONS Hysterosalpingographic agents are contraindicated in pregnant women and those suspected of being pregnant.

Hysterosalpingography should not be performed during the menstrual period nor when infection of the external genitalia or genital tract is present.

The procedure should not be attempted within 30 days following curettage or conization or within six months following the termination of pregnancy.

Special warnings and precautions

PRECAUTIONS General Diagnostic procedures which involve the use of radiopaque diagnostic agents should be carried out under the direction of personnel with the prerequisite training and with a thorough knowledge of the particular procedure to be performed.

In patients having or suspected of having carcinoma of the uterus and/or uterine tubes, the possible dispersion of carcinogenic cells during hysterosalpingography should be borne in mind.

The possibility of a reaction should always be considered.

Patients at increased risk include those with a history of a previous reaction to a contrast medium, patients with a known sensitivity to iodine per_se, and patients with a known clinical hypersensitivity: bronchial asthma, hay fever, and food allergies.

A positive history of allergies or hypersensitivity does not arbitrarily contraindicate the use of a contrast agent where a diagnostic procedure is thought essential, but caution should be exercised (see ADVERSE REACTIONS, and

PRECAUTIONS,

Information for the Patient).

Information for the Patient Patients receiving diagnostic agents for intrauterine radiography should be given the following information: This drug has been prescribed to perform an X-ray study of the uterus and uterine tubes.

Patients should be questioned regarding a recent history (within 30 days) of curettage or conization, pregnancy or a recent history (within six months) of termination of pregnancy, and a history of allergy to iodine, any foods, or X-ray dyes.

Patients should consult the physician if, at some future date, any thyroid tests are planned.

The iodine in this agent may interfere with some thyroid tests.

This drug may cause adverse reactions (see ADVERSE REACTIONS) in some patients but most reactions are mild and pass quickly.

Drug/Laboratory Test Interactions Thyroid Function Tests Because a small amount of this medium may be absorbed, thyroid function tests such as protein bound iodine (PBI) and radioactive iodine uptake, if indicated, generally should be performed prior to instillation.

However, thyroid function can be evaluated after use of any iodinated contrast agents by using T3 resin uptake or free thyroxine assays.

Pregnancy See CONTRAINDICATIONS.

Nursing Mothers Diatrizoate meglumine and iodipamide meglumine administered intravascularly has been found to be excreted in breast milk.

Because small amounts of these agents may be absorbed following intrauterine instillation, caution should be exercised when any diagnostic intrauterine radiopaque agent is administered to a nursing woman.

Pediatric Use Safety and effectiveness of hysterosalpingography has not been established in pediatric patients.

Adverse reactions

ADVERSE REACTIONS Sudden onset of bradycardia, hypotension, cardiac arrest and death have rarely been reported.

Hypersensitivity reactions, which include sweating, flushing, pruritus, urticaria, skin rashes, arthralgia, respiratory distress, and circulatory collapse have occurred.

Dizziness, syncope, hypotension, chills, fever, nausea, vomiting, and abdominal pain and tenderness are occasionally seen following instillation of the contrast medium.

It should be kept in mind that the serious or anaphylactoid reactions that may occur with intravascular administration of radiopaque contrast agents are theoretically possible following administration by other routes.

Usage information

Dosing and administration

DOSAGE AND ADMINISTRATION As a convenience to the physician, the following guidelines which have proven satisfactory are provided (see PRECAUTIONS, General).

Patients should be counseled prior to radiographic examination (see PRECAUTIONS, Information for the Patient).

Preparation of the patient: Hysterosalpingography should be performed three to five days after the cessation of the patient 's menstrual period as a precautionary measure.

An enema and vaginal douche one hour before the examination are helpful, but not essential.

The patient should empty her bladder before the examination.

Since the procedure is remarkably free of pain when Sinografin (Diatrizoate Meglumine and lodipamide Meglumine Injection) is used, the use of a narcotic or anesthesia is unnecessary.

Dosage: 3 to 4 mL of Sinografin, administered in fractional doses of approximately 1 mL, are usually adequate to visualize the uterus; an additional 3 to 4 mL will demonstrate the tubes.

Total doses varying from 1.5 to 10 mL have been employed with satisfactory results.

Administration: The patient is placed in the lithotomy position and the vulva is cleansed with a suitable antiseptic solution.

A Graves-type vaginal speculum is introduced, the cervix is exposed, and the vaginal vault is sponged with antiseptic solution.

A tenaculum is placed on the cervical lip, usually the anterior lip.

A sterile sound may be passed to determine the position of the uterus and the direction of the cervical canal, and, when necessary, the cervical canal may be dilated.

(Sounding the uterine cavity and dilatation of the canal are not usually required when a flexible cannula tip is used.)

A sterile syringe containing the Sinografin is attached by Luer-Lok to a uterine cannula.

The two-way cannula valve is opened and all air bubbles in the cannula and syringe are expressed.

About 1.5 to 2 mL of Sinografin (Diatrizoate Meglumine and lodipamide Meglumine Injection) are required to fill the cannula.

(If preferred, a tubal insufflator under controlled pressure with a salpingogram attachment may be used instead of the syringe.)

The cannula tip is inserted into the cervical canal so that the adjustable rubber acorn obturator fits snugly at the external os.

Careful placement of the cannula is important to avoid trauma and pain.

Squeezing the trigger of the cannula to provide simultaneous traction on the tenaculum and forward pressure on the cannula should give a nonleaking cervical seal.

Sinografin flows freely so that only gentle pressure on the plunger is necessary; however, the medium should be used as promptly as possible following withdrawal into the syringe.

The syringe should be rinsed as soon after the procedure as possible to prevent freezing of the plunger.

The connection at the external os is checked for leakage.

If the acorn obturator is inadequate, an inflatable balloon-obturator may be used to seal the cervical canal.

When the equipment has been positioned satisfactorily, the tenaculum and cannula may be fixed in position until the procedure is terminated.

Radiography: A scout film may be made before the medium is administered.

After the initial fractional injection, a film should be made using a Bucky diaphragm.

After each successive injection of 1 mL, a film is taken, developed immediately, and inspected in the dark room before the next fractional dose of Sinografin (Diatrizoate Meglumine and lodipamide Meglumine Injection) is given, until the procedure is completed.

Further injection and subsequent films can be made as required using posterior-anterior or oblique angles.

Clinical experience indicates that tubal patency, if present, will be demonstrable at the time of the injection and delayed films have not been required.

General Diatrizoate Meglumine and lodipamide Meglumine Injection should be inspected visually for particulate matter and discoloration prior to instillation whenever solution and container permit.

The solution may vary in color from essentially colorless to pale yellow.

Solutions which may have become substantially darker should not be used.

In the event that crystallization occurs, the solution may be clarified by placing the vial in hot water and shaking gently for several minutes or until the solution is clear.

If cloudiness persists, the preparation should not be used.

Allow the solution to cool to body temperature before administering.

Pregnancy and lactation
Nursing Mothers Diatrizoate meglumine and iodipamide meglumine administered intravascularly has been found to be excreted in breast milk. Because small amounts of these agents may be absorbed following intrauterine instillation, caution should be exercised when any diagnostic intrauterine radiopaque agent is administered to a nursing woman.

More information

Category Value
Authorisation number NDA011324
Orphan designation No
Product NDC 0270-0523
Date Last Revised 19-12-2014
Type HUMAN PRESCRIPTION DRUG
Storage and handling Storage Store at 20-25°C (68-77°F) [See USP]. Protect from light.
Marketing authorisation holder BRACCO DIAGNOSTICS INC