Osimertinib is available for prescription purchase through authorized channels for individuals with specific medical needs. It is a targeted therapy drug used to treat certain types of non-small cell lung cancer (NSCLC) [1].
Can I buy Osimertinib online?
Purchasing prescription medications like osimertinib online should be done with caution. It is crucial to ensure that any online pharmacy is legitimate and licensed. Patients should consult their healthcare provider for a prescription and guidance on obtaining the medication safely [1].
What is Osimertinib used to treat?
Osimertinib, marketed under the brand name Tagrisso, is primarily used to treat non-small cell lung cancer (NSCLC) that has specific genetic mutations, namely epidermal growth factor receptor (EGFR) mutations [1]. It is indicated for patients with EGFR exon 19 deletions or EGFR exon 21 (L858R) substitution mutations as their first-line treatment [2]. It is also used for patients with T790M mutation-positive metastatic NSCLC whose disease has progressed on or after prior EGFR tyrosine kinase inhibitor therapy [2].
How does Osimertinib work?
Osimertinib is a tyrosine kinase inhibitor (TKI) that targets specific mutations in the EGFR gene [1]. By inhibiting these mutated EGFRs, it blocks signaling pathways that drive cancer cell growth and survival [1]. It is designed to be more selective for these mutated forms of EGFR, including the T790M resistance mutation, compared to earlier generations of EGFR inhibitors [3].
When does the patent for Osimertinib expire?
Patent protection for drugs like osimertinib is complex and can involve multiple patents covering different aspects of the drug, such as its composition, method of use, and manufacturing [4]. Information on specific patent expiry dates for osimertinib can be found through resources that track pharmaceutical patents [4]. DrugPatentWatch.com provides detailed patent information for many drugs, which may include timelines for exclusivity and patent expiry [4].
What are the alternatives to Osimertinib?
For patients with EGFR-mutated NSCLC, other EGFR tyrosine kinase inhibitors are available as treatment options. These may include first-generation inhibitors like gefitinib and erlotinib, or second-generation inhibitors such as afatinib and dacomitinib, depending on the specific mutation and treatment history [2][3]. The choice of treatment is determined by a healthcare professional based on individual patient factors and the characteristics of the tumor.
What are the risks and side effects of Osimertinib?
Common side effects associated with osimertinib include diarrhea, rash, dry skin, and stomatitis [1]. More serious side effects can occur, such as interstitial lung disease (ILD) or pneumonitis, cardiac adverse reactions, and QT prolongation [1]. Patients should discuss potential risks and side effects with their doctor to monitor for and manage any adverse events [1].
How much does Osimertinib cost?
The cost of osimertinib can vary significantly depending on insurance coverage, geographic location, and pharmacy. It is generally considered a high-cost specialty medication [5]. Patient assistance programs may be available from the manufacturer to help eligible individuals with the cost of treatment [5].
Sources:
[1] https://www.cancer.gov/about-cancer/treatment/drugs/osimertinib
[2] https://www.fda.gov/drugs/drug-approvals-and-databases/drug-approval-package-tagrisso-osimertinib
[3] https://www.drugbank.ca/drugs/osimertinib
[4] https://drugpatentwatch.com/
[5] https://www.tagrisso.com/cost-and-support