Ovidrel Drug Information

Generic name: CHORIOGONADOTROPIN ALFA

Gonadotropin [EPC]

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Uses of Ovidrel

Ovidrel ® PreFilled Syringe (choriogonadotropin alfa injection) is indicated for the induction of final follicular maturation and early luteinization in infertile women who have undergone pituitary desensitization and who have been appropriately pretreated with follicle stimulating hormones as part of an Assisted Reproductive Technology (ART) program such as in vitro fertilization and embryo transfer. Ovidrel ® PreFilled Syringe is also indicated for the induction of ovulation (OI) and pregnancy in anovulatory infertile patients in whom the cause of infertility is functional and not due to primary ovarian failure. Selection of Patients Before treatment with gonadotropins is instituted, a thorough gynecologic and endocrinologic evaluation must be performed.

This should include an assessment of pelvic anatomy. Patients with tubal obstruction should receive Ovidrel ® PreFilled Syringe only if enrolled in an in vitro fertilization program. Primary ovarian failure should be excluded by the determination of gonadotropin levels.

Appropriate evaluation should be performed to exclude pregnancy. Patients in later reproductive life have a greater predisposition to endometrial carcinoma as well as a higher incidence of anovulatory disorders. A thorough diagnostic evaluation should always be performed in patients who demonstrate abnormal uterine bleeding or other signs of endometrial abnormalities before starting FSH and Ovidrel ® PreFilled Syringe therapy.

Evaluation of the partner's fertility potential should be included in the initial evaluation.

Dosage & Administration of Ovidrel

For Subcutaneous Use Only Infertile Women Undergoing Assisted Reproductive Technologies (ART) Ovidrel ® PreFilled Syringe 250 µg should be administered one day following the last dose of the follicle stimulating agent. Ovidrel ® PreFilled Syringe should not be administered until adequate follicular development is indicated by serum estradiol and vaginal ultrasonography. Administration should be withheld in situations where there is an excessive ovarian response, as evidenced by clinically significant ovarian enlargement or excessive estradiol production.

Directions for Administration of Ovidrel ® Prefilled Syringe Ovidrel ® PreFilled Syringe is intended for a single subcutaneous injection. Any unused material should be discarded. Ovidrel ® PreFilled Syringe may be self-administered by the patient.

Follow the directions below for injecting Ovidrel ® PreFilled Syringe. Step 1: Wash your hands thoroughly with soap and water. Step 2: Carefully clean the injection site.

Make yourself comfortable by sitting or lying down. Carefully clean the injection site on the stomach with an alcohol wipe and allow it to air-dry. Step 3: Administer your injection.

Carefully remove the needle cap from the syringe. Do not touch the needle or allow the needle to touch any surface. Inject the prescribed dose as directed by your doctor, nurse or pharmacist.

Step 4: Gently withdraw the needle. Discard the needle and syringe into your safety container. Place gauze over the injection site.

If any bleeding occurs, apply gentle pressure. If bleeding does not stop within a few minutes, place a clean piece of gauze over the injection site and cover it with an adhesive bandage. Step 5: Storage and clean up.

Remember that your injection materials must be kept sterile and cannot be reused. Figure 1 Figure 2

Side Effects of Ovidrel

(see WARNINGS ) The safety of Ovidrel ® was examined in four clinical studies that treated 752 patients of whom 335 received Ovidrel ® 250 µg following follicular recruitment with gonadotropins. Table 9: Incidence of Adverse Events of r-hCG in ART Studies Adverse events not listed in Table 9 that occurred in less than 2% of patients treated with Ovidrel ® 250 µg whether or not considered causally related to Ovidrel ®, included: injection site inflammation and reaction, flatulence, diarrhea, hiccup, ectopic pregnancy, breast pain, intermenstrual bleeding, vaginal hemorrhage, cervical lesion, leukorrhea, ovarian hyperstimulation, uterine disorders, vaginitis, vaginal discomfort, body pain, back pain, fever, dizziness, headache, hot flashes, malaise, paraesthesias, rash, emotional lability, insomnia, upper respiratory tract infection, cough, dysuria, urinary tract infection, urinary incontinence, albuminuria, cardiac arrhythmia, genital moniliasis, genital herpes, leukocytosis, heart murmur and cervical carcinoma. Table 10: Incidence of Adverse Events of r-hCG in Ovulation Induction (Study 8209) 3.0% Additional adverse events not listed in Table 10 that occurred in less than 2% of patients treated with Ovidrel ® 250 µg, whether or not considered causally related to Ovidrel ®, included: breast pain, flatulence, abdominal enlargement, pharyngitis, upper respiratory tract infection, hyperglycemia and pruritis.

The following medical events have been reported subsequent to pregnancies resulting from hCG therapy in controlled clinical studies: Spontaneous Abortion Ectopic Pregnancy Premature Labor Postpartum Fever Congenital Abnormalities Of 125 clinical pregnancies reported following treatment with FSH and Ovidrel ® 250 µg or 500 µg, three were associated with a congenital anomaly of the fetus or newborn. Among patients receiving Ovidrel ® 250 µg, cranial malformation was detected in the fetus of one woman and a chromosomal abnormality (47, XXX) in another. These events were judged by the investigators to be of unlikely or unknown relation to treatment.

These three events represent an incidence of major congenital malformations of 2.4%, which is consistent with the reported rate for pregnancies resulting from natural or assisted conception. In a woman who received Ovidrel ® 500 µg, one birth in a set of triplets was associated with Down's syndrome and atrial septal defect. This event was considered to be unrelated to the study drug.

The following adverse reactions have been previously reported during menotropin therapy: Pulmonary and vascular complications (see " Warnings " ) Adnexal torsion (as a complication of ovarian enlargement) Mild to moderate ovarian enlargement Hemoperitoneum There have been infrequent reports of ovarian neoplasms, both benign and malignant, in women who have undergone multiple drug regimens for ovulation induction; however, a causal relationship has not been established. Post-Marketing Experience In addition to adverse events reported from clinical trials, the following events have been reported during post-marketing use of Ovidrel ®. Therefore, these events were reported from a population of uncertain size, the frequency or causal relationship to Ovidrel ® cannot be reliably determined.

Cases of allergic reactions, including anaphylactic reactions and mild reversible skin rashes have been reported in patients treated with Ovidrel ® since market introduction. The causal relationship is unknown. Thromboembolic events both in association with, and separate from, the Ovarian Hyperstimulation Syndrome (see " WARNINGS ")

Table 9: Incidence of Adverse Events of r-hCG in ART (Studies 7648, 7927, 9073)
Body SystemOvidrel ® 250 µg (n=236)
Preferred TermIncidence Rate % (n)
At Least One Adverse Event33.1% (78)
Application Site Disorders14.0% (33)
Injection Site Pain7.6% (18)
Injection Site Bruising4.7% (11)
Gastro-Intestinal System Disorders8.5% (20)
Abdominal Pain4.2% (10)
Nausea3.4% ( 8)
Vomiting2.5% ( 6)
Secondary Terms (Post-Operative Pain)4.7% (11)
Post-Operative Pain4.7% (11)
Table 10: Incidence of Adverse Events of r-hCG in Ovulation Induction (Study 8209)
Body SystemOvidrel ® 250 µg (n=99)
Preferred TermIncidence Rate % (n)
At Least One Adverse Event26.2% (26)
Application Site Disorders16.2% (16)
Injection site pain8.1% (8)
Injection site inflammation2.0% (2)
Injection site bruising3.0% (3)
Injection site reaction3.0% (3)
Reproductive Disorders, Female7.1% (7)
Ovarian cyst3.0% (3)
Ovarian hyperstimulation3.0% (3)
Gastro-Intestinal System Disorders4.0% (4)
Abdominal pain3.0% (3)

Warnings & Cautions for Ovidrel

Gonadotropins, including Ovidrel ® PreFilled Syringe (choriogonado-tropin alfa injection), should only be used by physicians who are thoroughly familiar with infertility problems and their management. Like other hCG products, Ovidrel ® PreFilled Syringe is a potent gonadotropic substance capable of causing Ovarian Hyperstimulation Syndrome (OHSS) in women with or without pulmonary or vascular complications. The risks of gonadoptropin treatment should be considered for women with risk factors of thromboembolic events such as prior medical or family history.

Gonadotropin therapy requires a certain time commitment by physicians and supportive health professionals, and requires the availability of appropriate monitoring facilities (see " Precautions/ Laboratory Tests "). Safe and effective induction of ovulation and use of Ovidrel ® PreFilled Syringe in women requires monitoring of ovarian response with serum estradiol and transvaginal ultrasound on a regular basis. Overstimulation of the Ovary Following hCG Therapy Ovarian Enlargement Mild to moderate uncomplicated ovarian enlargement which may be accompanied by abdominal distention and/or abdominal pain may occur in patients treated with FSH and hCG, and generally regresses without treatment within two or three weeks.

Careful monitoring of ovarian response can further minimize the risk of overstimulation. If the ovaries are abnormally enlarged on the last day of FSH therapy, choriogonadotropin alfa should not be administered in this course of therapy. This will reduce the risk of development of Ovarian Hyperstimulation Syndrome.

Ovarian Hyperstimulation Syndrome (OHSS) OHSS is a medical event distinct from uncomplicated ovarian enlargement. Severe OHSS may progress rapidly (within 24 hours to several days) to become a serious medical event. It is characterized by an apparent dramatic increase in vascular permeability which can result in a rapid accumulation of fluid in the peritoneal cavity, thorax, and potentially, the pericardium.

The early warning signs of development of OHSS are severe pelvic pain, nausea, vomiting, and weight gain. The following symptomatology has been seen with cases of OHSS: abdominal pain, abdominal distension, gastrointestinal symptoms including nausea, vomiting and diarrhea, severe ovarian enlargement, weight gain, dyspnea, and oliguria. Clinical evaluation may reveal hypovolemia, hemoconcentration, electrolyte imbalances, ascites, hemoperitoneum, pleural effusions, hydrothorax, acute pulmonary distress, and thromboembolic events (see " Pulmonary and Vascular Complications ").

Transient liver function test abnormalities suggestive of hepatic dysfunction, which may be accompanied by morphologic changes on liver biopsy, have been reported in association with Ovarian Hyperstimulation Syndrome (OHSS). Two patients treated with Ovidrel ® 500 µg developed severe OHSS. OHSS may be more severe and more protracted if pregnancy occurs.

OHSS develops rapidly; therefore, patients should be followed for at least two weeks after hCG administration. Most often, OHSS occurs after treatment has been discontinued and reaches its maximum at about seven to ten days following treatment. Usually, OHSS resolves spontaneously with the onset of menses.

If there is evidence that OHSS may be developing prior to hCG administration (see " Precautions/Laboratory Tests "), the hCG must be withheld. If severe OHSS occurs, treatment with gonadotropins must be stopped and the patient should be hospitalized. A physician experienced in the management of this syndrome, or who is experienced in the management of fluid and electrolyte imbalances should be consulted.

Multiple Births As with other hCG products, reports of multiple births have been associated with Ovidrel ® treatment. In ART, the risk of multiple births correlates to the number of embryos transferred. In the ovulation induction clinical trial, 2 of 15 live deliveries (13.3%) were associated with multiple births in women receiving Ovidrel ®.

The patient should be advised of the potential risk of multiple births before starting treatment. Pulmonary and Vascular Complications As with other hCG products, a potential for the occurrence of arterial thromboembolism exists.

Pregnancy Safety for Ovidrel

Pregnancy Intrauterine death and impaired parturition were observed in pregnant rats given a dose of urinary-hCG (500 IU) equivalent to three times the maximum human dose of 10,000 USP, based on body surface area.

Pediatric Use of Ovidrel

Pediatric Patients Safety and effectiveness in pediatric patients has not been established.

Contraindications for Ovidrel

Ovidrel ® PreFilled Syringe (choriogonadotropin alfa injection) is contraindicated in women who exhibit: Prior hypersensitivity to hCG preparations or one of their excipients. Primary ovarian failure. Uncontrolled thyroid or adrenal dysfunction.

An uncontrolled organic intracranial lesion such as a pituitary tumor. Abnormal uterine bleeding of undetermined origin (see " Selection of Patients " ). Ovarian cyst or enlargement of undetermined origin (see " Selection of Patients " ).

Sex hormone dependent tumors of the reproductive tract and accessory organs. Pregnancy.

Clinical Studies of Ovidrel

The safety and efficacy of Ovidrel ® have been examined in three well-controlled studies in women; two studies for assisted reproductive technologies (ART) and one study for ovulation induction (OI). Assisted Reproductive Technologies (ART) The safety and efficacy of Ovidrel ® 250 µg and Ovidrel ® 500 µg administered subcutaneously versus 10,000 USP Units of an approved urinary-derived hCG product administered intramuscularly were assessed in a randomized, open-label, multicenter study in infertile women undergoing in vitro fertilization and embryo transfer (Study 7927). The study was conducted in 20 U.S. centers.

The primary efficacy parameter in this single-cycle study was the number of oocytes retrieved. 297 patients entered the study, of whom 94 were randomized to receive Ovidrel ® 250 µg. The number of oocytes retrieved was similar for the Ovidrel ® and urinary-derived hCG (10,000 USP Units) treatment groups. The efficacy of Ovidrel ® 250 µg and Ovidrel ® 500 µg were both found to be clinically and statistically equivalent to that of the approved urinary-derived hCG product and to each other.

The efficacy results for the patients who received Ovidrel ® 250 µg are summarized in Table 3. Table 4: Pregnancy Outcomes of r-hCG in ART (Study 7927) The safety and efficacy of Ovidrel ® 250 µg administered subcutaneously versus 5,000 IU of an approved urinary-derived hCG product administered subcutaneously were assessed in a second, randomized, multicenter study in infertile women undergoing in vitro fertilization and embryo transfer (Study 7648). This double-blinded study was conducted in nine centers in Europe and Israel.

The primary efficacy parameter in this single-cycle study was the number of oocytes retrieved per patient. 205 patients entered the study, of whom 97 received Ovidrel ® 250 µg. The results for the 97 patients who received Ovidrel ® 250 µg are summarized in Table 5. Table 6: Pregnancy Outcomes of r-hCG in ART (Study 7648) Ovulation Induction (OI) The safety and efficacy of Ovidrel ® 250 µg administered subcutaneously versus 5,000 IU of an approved urinary-derived hCG product administered intramuscularly were assessed in a double-blind, randomized, multicenter study in anovulatory infertile women (Study 8209) which was conducted in 19 centers in Australia, Canada, Europe and Israel.

The primary efficacy parameter in this single-cycle study was the patient ovulation rate. 242 patients entered the study, of whom 99 received Ovidrel ® 250 µg. The results of those patients who received Ovidrel ® 250 µg are summarized in Table 7.

Table 3: Efficacy Outcomes of r-hCG in ART (Study 7927)
ParameterOvidrel ® 250 µg (n = 94)
Mean number of oocytes retrieved per patient13.60
Mean number of mature oocytes retrieved per patient7.6
Mean number of 2 PN fertilized oocytes per patient7.2
Mean number of 2 PN or cleaved embryos per patient7.6
Implantation rate per embryo transferred (%)18.7
Mean mid-luteal serum progesterone levels (nmol/L nmol/L ÷ 3.18 = ng/mL )423
Clinical pregnancy rate per initiated treatment cycle (%) Clinical pregnancy was defined as a pregnancy during which a fetal sac (with or without heartbeat activity) was detected by ultrasound on day 35-42 after hCG administration)35.1
Clinical pregnancy rate per transfer (%)36.3
Table 4: Pregnancy Outcomes of r-hCG in ART (Study 7927)
ParameterOvidrel ® 250 µg (n = 33)
Clinical pregnancies not reaching term4 (12.1%)
Live births29 (87.9%)
Singleton20 (69.0%)
Multiple birth9 (31.0%)
Table 5: Efficacy Outcomes of r-hCG in ART (Study 7648)
ParameterOvidrel ® 250 µg (n = 97)
Mean number of oocytes retrieved per patient10.6
Mean number of mature oocytes retrieved per patient10.1
Mean number of 2 PN fertilized oocytes per patient5.7
Mean number of 2 PN or cleaved embryos per patient5.1
Implantation rate per embryo transferred (%)17.4
Mean mid-luteal serum progesterone levels (nmol/L) nmol/L ÷ 3.18 = ng/mL394
Clinical pregnancy rate per initiated treatment cycle (%) Clinical pregnancy was defined as a pregnancy during which a fetal sac (with or without heartbeat activity) was detected by ultrasound on day 35-42 after hCG administration)33
Clinical pregnancy rate per transfer (%)37.6
Table 6: Pregnancy Outcomes of r-hCG in ART (Study 7648)
ParameterOvidrel ® 250 µg (n = 32)
Clinical Pregnancies not reaching term6 (18.8%)
Live births26 (81.2%)
Singleton18 (69.2%)
Multiple birth8 (30.8%)
Table 7: Efficacy Outcomes of r-hCG in OI (Study 8209)
ParameterOvidrel ® 250 µg (n = 99)
Ovulation Rate91 (91.9%)
Clinical Pregnancy Rate Clinical pregnancy was defined as a pregnancy during which a fetal sac (with or without heartbeat activity) was detected by ultrasound on day 35-42 after hCG administration.22 (22%)
Table 8: Pregnancy Outcomes of r-hCG in OI (Study 8209)
ParameterOvidrel ® 250 µg (n = 22)
Clinical Pregnancies not reaching term7 (31.8%)
Live births15 (68.2%)
Singleton13 (86.7%)
Multiple birth2 (13.3%)

Drug information sourced from the FDA. This content is for informational purposes only and does not constitute medical advice. Consult a healthcare professional before making any medication decisions.

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