Teriparatide
Generic Name: teriparatide
Brand Names:
Teriparatide
11 DESCRIPTION Teriparatide injection is a synthetic parathyroid hormone analog (PTH 1-34). It has an identical sequence to the 34 N-terminal amino acids (the biologically active region) of the 84-amino acid human parathyroid hormone. The molecular formula of teriparatide is C 181 H 291 N 55 O 51 S 2 and molecular weight is 4117.8 daltons. Its amino acid sequence is shown below: Teriparatide is manufactured using synthetic technology.
Overview
11 DESCRIPTION Teriparatide injection is a synthetic parathyroid hormone analog (PTH 1-34). It has an identical sequence to the 34 N-terminal amino acids (the biologically active region) of the 84-amino acid human parathyroid hormone. The molecular formula of teriparatide is C 181 H 291 N 55 O 51 S 2 and molecular weight is 4117.8 daltons. Its amino acid sequence is shown below: Teriparatide is manufactured using synthetic technology.
Uses
1 INDICATIONS AND USAGE Teriparatide injection is indicated: For the treatment of postmenopausal women with osteoporosis at high risk for fracture (defined herein as having a history of osteoporotic fracture or multiple risk factors for fracture) or who have failed or are intolerant to other available osteoporosis therapy. In postmenopausal women with osteoporosis, Teriparatide injection reduces the risk of vertebral and nonvertebral fractures. To increase bone mass in men with primary or hypogonadal osteoporosis at high risk for fracture or who have failed or are intolerant to other available osteoporosis therapy.
Dosage
2 DOSAGE AND ADMINISTRATION Recommended dosage is 20 mcg subcutaneously once a day ( 2.1 ) Consider supplemental calcium and Vitamin D based on individual patient needs ( 2.1 ) Administer as a subcutaneous injection into the thigh or abdominal region ( 2.2 ) Administer initially under circumstances in which the patient can sit or lie down if symptoms of orthostatic hypotension occur ( 2.2 ) Use of Teriparatide injection for more than 2 years during a patient’s lifetime should only be considered if a patient remains at or has returned to having a high risk for fracture ( 2.3 ) 2.1 Recommended Dosage The recommended dosage is 20 mcg per dose given subcutaneously once a day. Instruct patients to take supplemental calcium and vitamin D if daily dietary intake is inadequate.
Side Effects
6 ADVERSE REACTIONS Most common adverse reactions (>10%) include: arthralgia, pain, and nausea ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Amphastar Pharmaceuticals, Inc. at 1-800-423-4136 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch 6.1 Clinical Trials Experience Because clinical studies are conducted under widely varying conditions, adverse reaction rates observed in the clinical studies of a drug cannot be directly compared to rates in the clinical studies of another drug and may not reflect the rates observed in practice.
Interactions
7 DRUG INTERACTIONS Digoxin: Transient hypercalcemia may predispose patients to digitalis toxicity ( 5.5 , 7.1 ) 7.1 Digoxin Sporadic case reports have suggested that hypercalcemia may predispose patients to digitalis toxicity. Teriparatide injection may transiently increase serum calcium. Consider the potential onset of signs and symptoms of digitalis toxicity when Teriparatide injection is used in patients receiving digoxin [ see Warnings and Precaution ( 5.5 ) and Clinical Pharmacology ( 12.3 ) ].
Warnings
5 WARNINGS AND PRECAUTIONS Osteosarcoma : Avoid use in patients with increased risk of osteosarcoma including patients with open epiphyses, metabolic bone diseases including Paget’s disease, bone metastases or history of skeletal malignancies, prior external beam or implant radiation therapy involving the skeleton, and hereditary disorders predisposing to osteosarcoma. ( 5.1 ) Hypercalcemia and Cutaneous Calcification : Avoid in patients known to have an underlying hypercalcemic disorder. Discontinue in patients developing worsening of previously stable cutaneous calcification. 4 CONTRAINDICATIONS Teriparatide injection is contraindicated in patients with hypersensitivity to teriparatide or to any of its excipients. Hypersensitivity reactions have included angioedema and anaphylaxis [ see Adverse Reactions ( 6.3 ) ]. Patients with hypersensitivity to teriparatide or to any of its excipients ( 4 )
Pregnancy
8.1 Pregnancy Risk Summary There are no available data on Teriparatide injection use in pregnant women to evaluate for drug-associated risk of major birth defects, miscarriage, or adverse maternal or fetal outcomes. Consider discontinuing Teriparatide injection when pregnancy is recognized.
Storage
16.2 Storage and Handling Store Teriparatide injection under refrigeration at 2° to 8°C (36° to 46°F) at all times except when administering the product. Recap the delivery device (pen) when not in use to protect the cartridge from physical damage and light.
Frequently Asked Questions
What is Teriparatide used for?▼
1 INDICATIONS AND USAGE Teriparatide injection is indicated: For the treatment of postmenopausal women with osteoporosis at high risk for fracture (defined herein as having a history of osteoporotic fracture or multiple risk factors for fracture) or who have failed or are intolerant to other available osteoporosis therapy. In postmenopausal women with osteoporosis, Teriparatide injection reduces the risk of vertebral and nonvertebral fractures. To increase bone mass in men with primary or hypogonadal osteoporosis at high risk for fracture or who have failed or are intolerant to other available osteoporosis therapy.
What are the side effects of Teriparatide?▼
6 ADVERSE REACTIONS Most common adverse reactions (>10%) include: arthralgia, pain, and nausea ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Amphastar Pharmaceuticals, Inc. at 1-800-423-4136 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch 6.1 Clinical Trials Experience Because clinical studies are conducted under widely varying conditions, adverse reaction rates observed in the clinical studies of a drug cannot be directly compared to rates in the clinical studies of another drug and may not reflect the rates observed in practice.
Can I take Teriparatide during pregnancy?▼
8.1 Pregnancy Risk Summary There are no available data on Teriparatide injection use in pregnant women to evaluate for drug-associated risk of major birth defects, miscarriage, or adverse maternal or fetal outcomes. Consider discontinuing Teriparatide injection when pregnancy is recognized.
What are the important warnings for Teriparatide?▼
5 WARNINGS AND PRECAUTIONS Osteosarcoma : Avoid use in patients with increased risk of osteosarcoma including patients with open epiphyses, metabolic bone diseases including Paget’s disease, bone metastases or history of skeletal malignancies, prior external beam or implant radiation therapy involving the skeleton, and hereditary disorders predisposing to osteosarcoma. ( 5.1 ) Hypercalcemia and Cutaneous Calcification : Avoid in patients known to have an underlying hypercalcemic disorder. Discontinue in patients developing worsening of previously stable cutaneous calcification. 4 CONTRAINDICATIONS Teriparatide injection is contraindicated in patients with hypersensitivity to teriparatide or to any of its excipients. Hypersensitivity reactions have included angioedema and anaphylaxis [ see Adverse Reactions ( 6.3 ) ]. Patients with hypersensitivity to teriparatide or to any of its excipients ( 4 )
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Medical Disclaimer
This drug information is for educational purposes only and should not replace professional medical advice. Drug information is sourced from the FDA National Drug Code Directory and Structured Product Labeling. Always consult with a healthcare provider before starting, stopping, or changing any medication.