Overview
Pralsetinib, marketed under the brand name Gavreto, is a small molecule inhibitor specifically designed to target RET (Rearranged during Transfection) mutations and fusions. It is primarily used in the treatment of RET fusion-positive non-small cell lung cancer (NSCLC) and advanced or metastatic thyroid cancers. The drug has shown significant efficacy in clinical trials, offering a targeted approach with fewer side effects compared to traditional chemotherapy. Pralsetinib was developed by Blueprint Medicines and received FDA approval in 2020. Its development marks a significant advancement in precision medicine, providing hope for patients with specific genetic alterations. The drug is typically administered orally and is known for its high selectivity and potency against RET alterations.
Physical and Chemical Properties
Pralsetinib is a white to off-white powder with a molecular weight of 514.58 g/mol. Its molecular formula is C27H32F2N6O3, indicating a complex organic structure. The compound is soluble in dimethyl sulfoxide (DMSO) and slightly soluble in water, which influences its formulation and delivery methods. The drug's stability is optimal when stored at 2-8°C in a dry, dark environment. Proper storage is crucial to maintain its efficacy and shelf life. While specific data on melting and boiling points are not widely published, its solubility profile and storage conditions are critical for pharmaceutical handling and formulation.
Main Applications
Pralsetinib is primarily used for treating RET fusion-positive non-small cell lung cancer (NSCLC) and thyroid cancers, including medullary thyroid cancer (MTC) and RET-altered thyroid cancer. Its targeted mechanism inhibits the abnormal RET proteins that drive cancer growth, offering a more precise treatment compared to broad-spectrum therapies. Clinical studies have demonstrated that Pralsetinib can lead to significant tumor shrinkage and prolonged progression-free survival in patients with RET alterations. It is often prescribed when other treatments have failed or are unsuitable. The drug's ability to cross the blood-brain barrier also makes it effective for treating brain metastases in some cases.
Safety and Storage
Pralsetinib should be handled with care, following standard pharmaceutical safety protocols. Personal protective equipment (PPE), such as gloves and lab coats, is recommended to minimize exposure. The drug is stored at 2-8°C in a dry, dark place to maintain stability. Common side effects include fatigue, constipation, hypertension, and elevated liver enzymes. Patients are monitored regularly for these and other potential adverse effects. Proper disposal methods should be followed to avoid environmental contamination, in compliance with local regulations.
B2B Procurement Guide
When procuring Pralsetinib, B2B buyers should prioritize suppliers with verified pharmaceutical certifications, such as GMP (Good Manufacturing Practice) compliance. The reference price range is approximately $10,000-$15,000 per gram, though prices may vary based on quantity and supplier agreements. Key procurement considerations include ensuring batch-to-batch consistency, verifying cold chain logistics for storage and transportation, and confirming regulatory approvals for the intended market. Establishing long-term partnerships with reputable suppliers can help secure stable supply chains and mitigate risks associated with counterfeit or substandard products.
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