teriparatide acetate - Medications

Teriparatide Injection, USP is a chemically synthesized human 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, USP 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, USP is manufactured by chemical synthesis. Teriparatide Injection, USP is supplied as a sterile, colorless, clear, isotonic solution in a glass cartridge which is pre-assembled into a single-patient-use delivery device (pen) for subcutaneous injection. Each delivery device (pen) is filled with volume to allow delivery of 2.24 mL. Each mL contains 250 mcg of teriparatide, USP (corrected for acetate, and water content), 0.41 mg of glacial acetic acid, 0.166 mg of sodium acetate (trihydrate), 45.4 mg of mannitol, 3 mg of metacresol, and water for injection. In addition, hydrochloric acid solution 10% and/or sodium hydroxide solution 10% may have been added to adjust the pH to 3.8 to 4.5. Each prefilled delivery device (pen) delivers 20 mcg of teriparatide, USP per dose for up to 28 days. Each device contains additional volume to allow troubleshooting of the device 2 times. 1