Teriparatide is a synthetically produced active fragment of parathyroid hormone (rhPTH 1-34) and is currently the only clinically approved "bone formation promoter" (anaboloid). Unlike bisphosphonates, which aim to "minimize bone loss," teriparatide directly activates osteoblasts, promoting new bone growth. It is primarily used in postmenopausal women, men, and patients with severe osteoporosis at high fracture risk induced by glucocorticoids. The dosage is 20 μg subcutaneously daily, with a maximum treatment duration of 24 months (only one treatment cycle in a lifetime).
Core Functions:
1. Activates osteoblast activity, promotes the regeneration of bone matrix and trabeculae, fundamentally improving bone density and addressing porous, fragile osteoporotic bones.
2. Regulates calcium and phosphorus metabolism, promoting intestinal calcium absorption, regulating renal calcium reabsorption, stabilizing blood calcium levels, and reducing bone calcium loss.
3. Accelerates the healing of fractures and bone defects, stimulates rapid callus formation, shortens the bone repair cycle, and is suitable for research related to trauma orthopedics.
4. Improves bone microcirculation, reduces chronic inflammation in bone tissue, and lowers the probability of bone micro-injuries and spontaneous fractures.
5. Mildly regulates chondrocyte activity, helps protect articular cartilage, and alleviates joint degeneration caused by insufficient bone mass.
Core Advantages
1. Unique Mechanism of Action: Most anti-osteoporosis ingredients on the market only inhibit osteoclasts and slow bone loss, while teriparatide actively promotes new bone growth, resulting in a significant difference in effectiveness for severe bone loss.
2. Strict quality control of medical formulations ensures minimal batch-to-batch activity fluctuations, high reproducibility in animal control experiments, and strong persuasiveness in research papers; the research powder has high purity and dissolves without impurities or precipitation.
3. Remarkable Onset of Action: Increased bone density can be observed with short-term administration, eliminating the need for lengthy experimental cycles and saving significant time and costs.
4. Wide Applicability: Suitable for senile osteoporosis, hormone-induced bone loss, fracture repair, and osteoarthritis models.
5. Under standard dosage, it is well tolerated. With reasonable gradient dosing, problems such as hypercalcemia and organ stress are rarely observed. Long-term animal intervention survival rates are stable.
Storage Conditions:
Unopened finished injectable solutions should be refrigerated at 2–8℃, protected from light, and stored in the original cardboard box. **Never freeze**, as ice crystals will directly damage the peptide structure, leading to complete inactivation. Avoid vigorous shaking or agitation.
Research lyophilized powder should be sealed, dry, and protected from light. For long-term use, aliquot into small portions and freeze at -20℃. Avoid repeated freeze-thaw cycles, as this easily degrades and inactivates the peptide chains.
Diluted working solutions must be refrigerated and used within 48 hours. The longer they are stored, the lower the activity and the more susceptible they are to bacterial growth.
Keep away from windowsills, vehicles, heating equipment, and humid reagent cabinets. Store separately with a label. Do not store with strong acids or strong oxidizing reagents. Maintain a cold chain throughout transportation.
Precautions & Contraindications
Absolute Contraindications: Malignant bone tumors/metastases, Paget's disease, unexplained elevated ALP levels, previous bone radiotherapy/radioactive implantation, adolescents under 18 years of age with open epiphyses, hypercalcemia, severe renal insufficiency, pregnancy/lactation.
Osteosarcoma Warning: Long-term high-dose osteosarcoma has been observed in rats. Human association is not confirmed, but the treatment course is strictly limited to 24 months; a second round should not be administered.
Prevention of Hypotension During First Injection: A small number of people (especially during the first few injections) may experience transient orthostatic hypotension-it is best to sit/lie down for a few minutes after injection; avoid immediately getting up and running or driving.
Mild Hypercalcemia: Blood calcium levels rise slightly 4-6 hours after injection and decrease within 16-24 hours. Routine monitoring of blood calcium is generally not required, but users taking digitalis (digoxin) should be cautious of hypercalcemia-induced toxicity.
Use with caution in patients with a history of kidney stones: Slight increase in urinary calcium; patients with active urinary tract stones should be evaluated before use.
Common side effects: Redness/swelling/itching at the injection site, nausea, dizziness, leg cramps, limb pain-mostly transient; if severe, seek immediate medical attention.
Calcium + D supplementation: Calcium and vitamin D supplementation is necessary when dietary intake is insufficient, but avoid excessive intake to prevent hypercalciuria.
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Therefore, we conduct strict quality control before shipment. If any quality problems are found to be caused by us, we will replace the product free of charge or provide a refund.
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