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IN SESAME OILFor intramuscular use only.Rx only
- PROGESTERONE INJECTION, USP For Intramuscular Use OnlyFOR THE TREATMENT OF AMENORRHEA (ABSENCE OF MENSES IN WOMEN WHO HAVE PREVIOUSLY HAD A MENSTRUAL PERIOD) OR ABNORMAL UTERINE BLEEDING DUE TO HORMONAL IMBALANCE.Please read this information carefully before you start to use Progesterone Injection and each time your prescription is renewed, in case anything has changed. This leaflet does not take the place of discussions with your doctor. If you still have any questions, ask your doctor or health-care provider.About Progesterone InjectionProgesterone Injection is a sterile injectable solution containing the natural female hormone called progesterone. Progesterone Injection is indicated for the treatment of amenorrhea and abnormal uterine bleeding due to progesterone deficiency.Understanding the role of Progesterone Injection in the treatment of your menstrual irregularities.Progesterone is one of the hormones essential for regular menstrual periods. If your doctor has determined your body does not produce enough progesterone on its own, Progesterone Injection may be prescribed to provide the progesterone you need.When you do not produce enough progesterone, menstrual irregularities can occur. Progesterone Injection can provide you with the progesterone needed during a normal menstrual cycle.Possible side effects of Progesterone InjectionThe following side effects have been reported with Progesterone Injection. Consult your doctor if you experience any of the side effects mentioned below, or other side effects.breakthrough bleedingspottingchanges in menstrual flowamenorrheachange in weight (increase or decrease)pain, irritation, swelling, and/or redness at the injection areageneral swellingvaginal dischargeyellow discoloration of skin or white of eyesbreast tenderness, discharge from the nippleskin reactions including rash, hives, itching, and swellingacnehair loss or growth of new hairmental depressionfeverinsomnia or sleepiness*nauseaanaphylactoid (life-threatening allergic) reaction with symptoms that may include a sense of uneasiness or apprehension; flushing; fast, throbbing heartbeat; itching; hives; difficult breathing; swelling of the throat; fainting; nausea; vomiting; or convulsions.*If you experience sleepiness, do not drive or operate machinery.When you should not use Progesterone InjectionIf you are allergic to progesterone, progesterone-like drugs, benzyl alcohol or sesame oil/seeds.If you have unusual vaginal bleeding which has not been evaluated by your doctor.If you have liver disease.If you have known or suspected cancer of the breast or genital organs.If you have a miscarriage and your physician suspects some tissue is still in the uterus.If you have or have had blood clots in the legs, lungs, eyes, or elsewhere.Risks of Progesterone InjectionAbnormal blood clotting. Blood clots have been reported with the use of estrogens and progestational drugs (alone or in combination). If blood clots do form in your bloodstream, they can cut off the blood supply to vital organs, causing serious problems. These problems may include a stroke (by cutting off blood to part of the brain), a heart attack (by cutting off blood to part of the heart), a pulmonary embolus (by cutting off blood to part of the lungs), or other problems. Any of these conditions may cause death or serious long-term disability. Call your doctor immediately if you suspect you have any of these conditions. He or she may advise you to stop using this drug.PrecautionsBe alert for unusual signs and symptoms. If any of these warning signals (or any other unusual symptoms) happen while you are using Progesterone Injection, call your doctor immediately:Abnormal bleeding from the vagina.Pains in the calves or chest, a sudden shortness of breath or coughing blood indicating possible clots in the legs, heart, or lungs.Severe headache or vomiting, dizziness, faintness, or changes in vision or speech, weakness or numbness of an arm or leg indicating possible clots in the brain or eye.Breast lumps, which could be associated with fibrocystic disorders, fibroadenoma, or breast cancer. (Ask your doctor or health-care provider to show you how to examine your breasts monthly.)Yellowing of the skin and/or white of the eyes indicating possible liver problems.How Progesterone Injection worksProgesterone Injection is intended for administration by injection into a muscle mass. Following injection, the medication is absorbed into the bloodstream.Other information1. Your doctor has prescribed this drug for you and you alone. Do not give this drug to anyone else.2. This medication was prescribed for your particular medical condition. Do not use it for another condition.3. Keep this and all drugs out of the reach of children.How to use Progesterone InjectionProgesterone Injection will be administered to you by a health-care provider or your caregiver. Your doctor will provide instructions regarding the dose and manner in which the medication should be injected. Follow your doctor’s instructions closely. If you have any questions about product administration, ask your doctor or health-care provider.www.fresenius-kabi.us45918FRevised: October 2016
Progesterone injection, a progestin, is a sterile solution of progesterone in a suitable vegetable oil available for intramuscular use.Progesterone occurs as a white or creamy white, crystalline powder. It is odorless and is stable in air. Practically insoluble in water, it is soluble in alcohol, acetone, and dioxane and sparingly soluble in vegetable oils.It has the following structural formula: C21H30O2 M.W. 314.47 Pregn-4-ene-3, 20-dioneEach mL contains: Progesterone 50 mg, benzyl alcohol 10% as preservative in sesame oil q.s.
Transforms proliferative endometrium into secretory endometrium.Inhibits (at the usual dose range) the secretion of pituitary gonadotropins, which in turn prevents follicular maturation and ovulation.
Pharmacokinetics And Metabolism
AbsorptionAfter intramuscular administration of 10 mg of progesterone in oil maximum plasma concentrations (geometric mean of 7 ng/mL) were reached within approximately 8 hours after injection and plasma concentrations remained above baseline for about 24 hours after injection. Injection of 10, 25, and 50 mg resulted in geometric mean values for maximum plasma concentration (Cmax) of 7, 28, and 50 ng/mL, respectively.DistributionProgesterone is extensively bound to plasma proteins, primarily albumin (50 to 54%) and cortisol-binding protein (43 to 48%).MetabolismProgesterone is metabolized primarily in the liver by reduction to pregnanediol, pregnanetriol and pregnanolone. Subsequent conjugation results in the formation of glucuronide and sulfate metabolites. The mean plasma metabolic clearance rate in cycling women is 2510 ± 135 (SEM) L/day.ExcretionThe glucuronide and sulfate conjugates of pregnanediol and pregnanolone are excreted in the urine and bile. Progesterone metabolites which are excreted in the bile may undergo enterohepatic recycling or may be excreted in the feces.The pharmacokinetic data was determined in a small number of patients, limiting the precision in which population values may be estimated.
Renal InsufficiencyThe safety and effectiveness in patients with renal insufficiency have not been established. Since progesterone metabolites are excreted mainly by the kidneys, progesterone should be administered with caution and careful monitoring in this patient population (see PRECAUTIONS).Hepatic InsufficiencyThe safety and effectiveness in patients with hepatic insufficiency have not been established. Since progesterone is metabolized by the liver, use in patients with liver dysfunction or disease is contraindicated (see CONTRAINDICATIONS).
The metabolism of progesterone by human liver microsomes was inhibited by ketoconazole (IC50 < 01 μM). Ketoconazole is a known inhibitor of cytochrome P450 3A4 and these data suggest that ketoconazole or other known inhibitors of this enzyme may increase the bioavailability of progesterone. The clinical relevance of the in vitro findings is unknown.
Indications And Usage:
This drug is indicated in amenorrhea and abnormal uterine bleeding due to hormonal imbalance in the absence of organic pathology, such as submucous fibroids or uterine cancer.
1. Current or past history of thrombophlebitis, thromboembolic disorders, or cerebral apoplexy.2. Liver dysfunction or disease.3. Known or suspected malignancy of breast or genital organs.4. Undiagnosed vaginal bleeding.5. Missed abortion.6. Known sensitivity to progesterone injection.
The physician should be alert to the earliest manifestations of thrombotic disorders (thrombophlebitis, cerebrovascular disorders, pulmonary embolism, and retinal thrombosis). Should any of these occur or be suspected, the drug should be discontinued immediately.Medication should be discontinued pending examination if there is a sudden partial or complete loss of vision, or if there is a sudden onset of proptosis, diplopia or migraine. If examination reveals papilledema or retinal vascular lesions, medication should be withdrawn.
The pretreatment physical examination should include special reference to breast and pelvic organs, as well as a Papanicolaou smear.Because progestational drugs may cause some degree of fluid retention, conditions which might be influenced by this condition, such as epilepsy, migraine, asthma, cardiac, or renal dysfunction, require careful observation.In cases of breakthrough bleeding, as in all cases of irregular bleeding per vaginum, nonfunctional causes should be borne in mind, and adequate diagnostic measures undertaken.Patients who have a history of psychic depression should be carefully observed and the drug discontinued if the depression recurs to a serious degree.The age of the patient constitutes no absolute limiting factor although treatment with progestin may mask the onset of the climacteric.The pathologist should be advised of progestin therapy when relevant specimens are submitted.There are possible risks which may be associated with the use of progestin treatment, including adverse effects on carbohydrate and lipid metabolism. The dosage used may be important in minimizing these adverse effects.A decrease in glucose tolerance has been observed in a small percentage of patients on estrogen-progestin combination treatment. The mechanism of this decrease is obscure. For this reason, diabetic patients should be carefully observed while receiving such therapy.
Carcinogenesis, Mutagenesis, Impairment Of Fertility:
Long-term intramuscular administration of Medroxyprogesterone acetate (MPA) has been shown to produce mammary tumors in beagle dogs. There is no evidence of a carcinogenic effect associated with the oral administration of MPA to rats and mice. Medroxyprogesterone acetate was not mutagenic in a battery of in vitro or in vivo genetic toxicity assays.Progesterone at high doses is an antifertility drug and high doses would be expected to impair fertility until the cessation of treatment.
The safety and effectiveness in geriatric patients (over age 65) have not been established.
Safety and effectiveness in pediatric patients have not been established.
Detectable amounts of drug have been identified in the milk of mothers receiving progestational drugs. The effect of this on the nursing infant has not been determined.
Breakthrough bleeding; spotting; change in menstrual flow; amenorrhea; edema; change in weight (increase or decrease); changes in cervical erosion and cervical secretions; cholestatic jaundice; breast tenderness and galactorrhea; pain, irritation, and/or redness at the injection area; skin sensitivity reactions consisting of urticaria, pruritus, edema and generalized rash; acne, alopecia and hirsutism; rash (allergic) with and without pruritus; anaphylactoid reactions; mental depression; pyrexia; insomnia; nausea; and somnolence.A statistically significant association has been demonstrated between use of estrogen-progestin combination drugs and pulmonary embolism and cerebral thrombosis and embolism. For this reason patients on progestin therapy should be carefully observed. There is also evidence suggestive of an association with neuro-ocular lesions, e.g., retinal thrombosis and optic neuritis.The following adverse reactions have been observed in patients receiving estrogen-progestin combination drugs: Rise in blood pressure in susceptible individual, premenstrual syndrome, changes in libido, changes in appetite, cystitis-like syndrome, headache, nervousness, fatigue, backache, hirsutism, loss of scalp hair, erythema multiforme, erythema nodosum, hemorrhagic eruption, itching, and dizziness.The following laboratory results may be altered by the use of estrogen-progestin combination drugs: increased sulfobromophthalein retention and other hepatic function tests; coagulation tests: increase in prothrombin factors VII, VIII, IX, and X; metyrapone test; pregnanediol determinations; thyroid function: increase in PBI, and butanol extractable protein bound iodine and decrease in T3 uptake values.
Dosage And Administration:
Progesterone is administered by intramuscular injection. It differs from other commonly used steroids in that it is irritating at the place of injection.
Five to 10 mg are given for six to eight consecutive days. If there has been sufficient ovarian activity to produce a proliferative endometrium, one can expect withdrawal bleeding 48 to 72 hours after the last injection. This may be followed by spontaneous normal cycles.
Functional Uterine Bleeding
Five to 10 mg are given daily for six doses. Bleeding may be expected to cease within six days. When estrogen is given as well, the administration of progesterone is begun after two weeks of estrogen therapy. If menstrual flow begins during the course of injections of progesterone, they are discontinued.Parenteral drug products should be inspected visually for particulate matter and discoloration prior to administration whenever the solution and container permit.
ProductNo.NDCNo.26011063323-261-10Progesterone Injection, USP, 500 mg per 10 mL, (50 mg per mL) multiple dose vial, packaged individually.The container closure is not made with natural rubber latex.Store at 20° to 25°C (68° to 77°F) [see USP Controlled Room Temperature].
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