Signifor
(Pasireotide)Dosage & Administration
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Signifor Prescribing Information
Warnings and Precautions ( 5.2 Hyperglycemia and DiabetesBlood glucose elevations have been seen in healthy volunteers and patients treated with SIGNIFOR. In the clinical study [see Clinical Studies (14)] , patients developed pre-diabetes and diabetes. Nearly all patients in the study, including those with normal glucose status at baseline, pre-diabetes, and diabetes, developed worsening glycemia in the first two weeks of treatment. Cushing's disease patients with poor glycemic control (HbA1c > 8%) may be at a higher risk of developing severe hyperglycemia and associated complications, e.g., ketoacidosis.Assess the patient's glycemic status prior to starting treatment with SIGNIFOR. In patients with uncontrolled diabetes mellitus, optimize anti-diabetic therapy prior to SIGNIFOR initiation. Glycemic monitoring should be done every week for the first two to three months and periodically thereafter, as well as over the first two to four weeks after any dose increase. If hyperglycemia develops, initiate or adjust anti-diabetic treatment per standard of care. If uncontrolled hyperglycemia persists despite appropriate treatment, reduce the dose or discontinue SIGNIFOR and perform glycemic monitoring according to clinical practice. Patients who were initiated on anti-diabetic treatment as a result of SIGNIFOR require closer monitoring after discontinuation of SIGNIFOR, especially if the anti-diabetic therapy has a risk of causing hypoglycemia. | 1/2020 |
Warnings and Precautions ( 5.5 Cholelithiasis and Complications of CholelithiasisCholelithiasis has been frequently reported in clinical studies with SIGNIFOR [see Adverse Reactions (6)] . There have been postmarketing reports of cholelithiasis (gallstones) resulting in complications, including cholecystitis or cholangitis and requiring cholecystectomy in patients taking SIGNIFOR. Ultrasonic examination of the gallbladder before, and periodically during SIGNIFOR therapy is recommended. If complications of cholelithiasis are suspected, discontinue SIGNIFOR and treat appropriately. | 4/2019 |
SIGNIFOR is a somatostatin analog indicated for the treatment of adult patients with Cushing's disease for whom pituitary surgery is not an option or has not been curative (
SIGNIFOR is a somatostatin analog indicated for the treatment of adult patients with Cushing's disease for whom pituitary surgery is not an option or has not been curative
1.1 Cushing's DiseaseSIGNIFOR is indicated for the treatment of adult patients with Cushing's disease for whom pituitary surgery is not an option or has not been curative.
- Recommended initial dosage is either 0.6 mg or 0.9 mg by subcutaneous injection twice a day; recommended dosage range is 0.3 mg to 0.9 mg twice a day ()
2.1 Recommended Dosage RangeThe recommended dosage range of SIGNIFOR is 0.3 mg to 0.9 mg by subcutaneous injection twice a day. The recommended initial dose is either 0.6 mg or 0.9 mg twice a day. Titrate dose based on response and tolerability.
Patients should be evaluated for a treatment response [clinically meaningful reduction in 24-hour urinary free cortisol (UFC) levels and/or improvement in signs or symptoms of the disease] and should continue receiving therapy with SIGNIFOR as long as benefit is derived
[see Clinical Studies(14)]. Maximum UFC reduction is typically seen by two months of treatment[see Clinical Studies (14)]. For patients who are started on 0.6 mg twice a day, a dosage increase to 0.9 mg twice a day may be considered based on the response to the treatment, as long as the 0.6 mg dosage is well tolerated by the patient.Management of suspected adverse reactions may require temporary dose reduction of SIGNIFOR. Dose reduction by 0.3 mg decrements per injection is suggested.
- Titrate dosage based on treatment response [clinically meaningful reduction in 24-hour urinary free cortisol (UFC) and/or improvements in signs and symptoms of disease] and tolerability ()
2.1 Recommended Dosage RangeThe recommended dosage range of SIGNIFOR is 0.3 mg to 0.9 mg by subcutaneous injection twice a day. The recommended initial dose is either 0.6 mg or 0.9 mg twice a day. Titrate dose based on response and tolerability.
Patients should be evaluated for a treatment response [clinically meaningful reduction in 24-hour urinary free cortisol (UFC) levels and/or improvement in signs or symptoms of the disease] and should continue receiving therapy with SIGNIFOR as long as benefit is derived
[see Clinical Studies(14)]. Maximum UFC reduction is typically seen by two months of treatment[see Clinical Studies (14)]. For patients who are started on 0.6 mg twice a day, a dosage increase to 0.9 mg twice a day may be considered based on the response to the treatment, as long as the 0.6 mg dosage is well tolerated by the patient.Management of suspected adverse reactions may require temporary dose reduction of SIGNIFOR. Dose reduction by 0.3 mg decrements per injection is suggested.
- Testing Prior to Dosing: fasting plasma glucose (FPG), hemoglobin A1c (HbA1c), liver tests, electrocardiogram (ECG), gallbladder ultrasound, and serum potassium and magnesium levels ()
2.2 Recommendations Prior to Initiation of SIGNIFORPrior to the start of SIGNIFOR, patients should have baseline levels of the following:
- fasting plasma glucose (FPG)[see Warnings and Precautions (5.2)]
- hemoglobin A1c (HbA1c)[see Warnings and Precautions (5.2)]
- liver tests[see Warnings and Precautions (5.4)]
- serum potassium and magnesium levels[see Warnings and Precautions (5.3)]
Patients should also have a baseline electrocardiogram (ECG) and gallbladder ultrasound
[see Warnings and Precautions (5.3, 5.5)].Treatment of patients with poorly controlled diabetes mellitus should be intensively optimized with anti-diabetic therapy prior to starting SIGNIFOR
[see Warnings and Precautions (5.2)]. - fasting plasma glucose (FPG)
- Patients With Hepatic Impairment:
- Child-Pugh B:Recommended initial dosage is 0.3 mg twice a day and maximum dosage is 0.6 mg twice a day (,
2.3 Dosage in Patients With Hepatic ImpairmentFor patients with moderate hepatic impairment (Child-Pugh B), the recommended initial dosage is 0.3 mg twice a day and the maximum dosage is 0.6 mg twice a day. Avoid the use of SIGNIFOR in patients with severe hepatic impairment (Child-Pugh C)
[see Use in Specific Populations (8.6)].)8.6 Hepatic ImpairmentDose adjustment is not required in patients with mild impaired hepatic function (Child-Pugh A), but is required for patients with moderately impaired hepatic function (Child-Pugh B)
[see Dosage and Administration (2.3), Clinical Pharmacology (12.3)]. Avoid the use of SIGNIFOR in patients with severe hepatic impairment (Child-Pugh C). - Child-Pugh C:Avoid use in these patients (,
2.3 Dosage in Patients With Hepatic ImpairmentFor patients with moderate hepatic impairment (Child-Pugh B), the recommended initial dosage is 0.3 mg twice a day and the maximum dosage is 0.6 mg twice a day. Avoid the use of SIGNIFOR in patients with severe hepatic impairment (Child-Pugh C)
[see Use in Specific Populations (8.6)].)8.6 Hepatic ImpairmentDose adjustment is not required in patients with mild impaired hepatic function (Child-Pugh A), but is required for patients with moderately impaired hepatic function (Child-Pugh B)
[see Dosage and Administration (2.3), Clinical Pharmacology (12.3)]. Avoid the use of SIGNIFOR in patients with severe hepatic impairment (Child-Pugh C).
Injection: 0.3 mg/mL, 0.6 mg/mL, and 0.9 mg/mL in a single-dose, 1 mL colorless glass ampule.
- Females and Males of Reproductive Potential: Advise premenopausal females of the potential for an unintended pregnancy ()
8.3 Females and Males of Reproductive PotentialDiscuss the potential for unintended pregnancy with premenopausal women as the therapeutic benefits of a reduction or normalization of serum cortisol levels in female patients with Cushing's disease treated with pasireotide may lead to improved fertility.
- Safety and effectiveness of SIGNIFOR in children under 18 years have not been established ()
8.4 Pediatric UseSafety and effectiveness of SIGNIFOR have not been established in pediatric patients.
None.