Afinitor (everolimus) vs Enhertu (fam-trastuzumab deruxtecan-nxki)

Afinitor (everolimus) vs Enhertu (fam-trastuzumab deruxtecan-nxki)

Afinitor (everolimus) is an mTOR inhibitor used primarily to treat certain types of cancers such as advanced renal cell carcinoma, certain breast cancers, and neuroendocrine tumors, among others. Enhertu (fam-trastuzumab deruxtecan-nxki) is a targeted therapy known as an antibody-drug conjugate, specifically indicated for the treatment of adults with unresectable or metastatic HER2-positive breast cancer and gastric or gastroesophageal junction adenocarcinoma. The choice between Afinitor and Enhertu would depend on the specific type and molecular characteristics of the cancer; for instance, Enhertu would be selected for HER2-positive cancers, whereas Afinitor might be used for cancers where mTOR is a known pathway of interest.

Difference between Afinitor and Enhertu

Metric Afinitor (everolimus) Enhertu (fam-trastuzumab deruxtecan-nxki)
Generic name Everolimus Fam-trastuzumab deruxtecan-nxki
Indications Advanced hormone receptor-positive, HER2-negative breast cancer, advanced neuroendocrine tumors, renal cell carcinoma, subependymal giant cell astrocytoma (SEGA), tuberous sclerosis complex (TSC) HER2-positive breast cancer, HER2-positive gastric or gastroesophageal junction adenocarcinoma
Mechanism of action mTOR inhibitor HER2-directed antibody and topoisomerase inhibitor conjugate
Brand names Afinitor, Afinitor Disperz, Zortress Enhertu
Administrative route Oral Intravenous
Side effects Mouth ulcers, infections, rash, fatigue, diarrhea, decreased appetite, edema, stomach pain, nausea, headache, decreased weight, cough, taste changes, nose bleeds, fever Nausea, fatigue, vomiting, hair loss, constipation, decreased appetite, anemia, neutropenia, diarrhea, cough, dyspnea, fever, peripheral neuropathy
Contraindications Hypersensitivity to everolimus or other rapamycin derivatives Hypersensitivity to trastuzumab deruxtecan or any of its excipients
Drug class Antineoplastic agent, mTOR kinase inhibitor Antineoplastic agent, Antibody-Drug Conjugate
Manufacturer Novartis Pharmaceuticals Corporation Daiichi Sankyo Company, Limited and AstraZeneca

Efficacy

Afinitor (Everolimus) Efficacy in Lung Cancer

Afinitor (everolimus) is an mTOR inhibitor primarily approved for the treatment of various types of tumors, including advanced renal cell carcinoma and certain types of breast cancer. While Afinitor is not specifically approved for the treatment of lung cancer, some studies have explored its efficacy in this area, particularly in non-small cell lung cancer (NSCLC). Everolimus has been evaluated for its potential to inhibit tumor growth by targeting the mTOR pathway, which is involved in cell proliferation and angiogenesis. However, the results in lung cancer have been mixed, and the use of everolimus for this indication remains off-label. Patients with NSCLC who have specific genetic alterations may be more likely to benefit from everolimus, but further research is necessary to fully understand its role in lung cancer treatment.

Enhertu (Fam-Trastuzumab Deruxtecan-nxki) Efficacy in Lung Cancer

Enhertu (fam-trastuzumab deruxtecan-nxki) is an antibody-drug conjugate that has shown promise in the treatment of lung cancer. It is designed to deliver chemotherapy directly to cancer cells by targeting HER2, a protein that can promote the growth of cancer cells. In lung cancer, Enhertu has been studied primarily in patients with HER2-mutant non-small cell lung cancer, which represents a small subset of all NSCLC cases. Clinical trials have demonstrated that Enhertu can lead to significant tumor shrinkage and prolonged progression-free survival in this group of patients. The efficacy of Enhertu in lung cancer highlights the importance of molecular profiling in personalizing lung cancer therapy.

It is important to note that the use of these medications should be guided by a healthcare professional, and their efficacy can vary based on individual patient factors, including the specific type and stage of lung cancer, as well as the presence of certain genetic markers. Additionally, both Afinitor and Enhertu can have serious side effects, and their use must be carefully weighed against the potential benefits in the context of lung cancer treatment.

In conclusion, while Afinitor has been explored in lung cancer treatment with variable results, Enhertu has shown efficacy in a targeted subset of lung cancer patients with HER2 mutations. Ongoing clinical trials and research continue to refine the understanding of how these drugs can be best utilized in the management of lung cancer. Patients should discuss the potential risks and benefits of these treatments with their oncologist to determine the most appropriate therapeutic strategy for their individual condition.

Regulatory Agency Approvals

Afinitor
  • European Medical Agency (EMA), European Union
  • Food and Drug Administration (FDA), USA
  • Health Canada
  • Pharmaceuticals and Medical Devices Agency (PMDA), Japan
  • Therapeutic Goods Administration (TGA), Australia
Enhertu
  • European Medical Agency (EMA), European Union
  • Food and Drug Administration (FDA), USA
  • Pharmaceuticals and Medical Devices Agency (PMDA), Japan

Access Afinitor or Enhertu today

If Afinitor or Enhertu are not approved or available in your country (e.g. due to supply issues), you can access them via Everyone.org.

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