Enhertu (fam-trastuzumab deruxtecan-nxki) vs Cosela (trilaciclib)

Enhertu (fam-trastuzumab deruxtecan-nxki) vs Cosela (trilaciclib)

Enhertu (fam-trastuzumab deruxtecan-nxki) is a targeted therapy specifically designed for the treatment of certain types of breast cancer that overexpress the HER2 protein, and it has also shown efficacy in other HER2-positive tumors. It works by combining an antibody that targets HER2 with a chemotherapy drug, allowing for direct delivery to cancer cells. In contrast, Cosela (trilaciclib) is used to protect bone marrow cells from damage caused by chemotherapy in patients with extensive-stage small cell lung cancer; it is not a cancer treatment itself but is administered before chemotherapy to reduce the incidence of chemotherapy-induced myelosuppression. For a patient deciding on which medicine is right for them, it is crucial to consider the type of cancer they have, as Enhertu is specific for HER2-positive cancers, while Cosela is used to mitigate the side effects of chemotherapy in a different type of cancer. Consulting with an oncologist to understand the specific indications, mechanisms of action, and potential benefits of each medication in the context of the patient's individual diagnosis and treatment plan is essential.

Difference between Enhertu and Cosela

Metric Enhertu (fam-trastuzumab deruxtecan-nxki) Cosela (trilaciclib)
Generic name Fam-trastuzumab deruxtecan-nxki Trilaciclib
Indications HER2-positive breast cancer, HER2-positive gastric cancer Decrease incidence of chemotherapy-induced myelosuppression
Mechanism of action Antibody-drug conjugate targeting HER2 CDK4/6 inhibitor to protect bone marrow cells
Brand names Enhertu Cosela
Administrative route IV infusion IV infusion
Side effects Nausea, fatigue, vomiting, alopecia, constipation, decreased appetite, anemia, neutropenia, diarrhea, leukopenia, cough, and thrombocytopenia Fatigue, hypocalcemia, hypokalemia, hypophosphatemia, increased aspartate aminotransferase, headache, pneumonia
Contraindications History of interstitial lung disease, pneumonitis, hypersensitivity to active ingredient None known
Drug class Antibody-drug conjugate Cyclin-dependent kinase inhibitor
Manufacturer Daiichi Sankyo and AstraZeneca G1 Therapeutics

Efficacy

Enhertu (fam-trastuzumab deruxtecan-nxki) Efficacy in Lung Cancer

Enhertu (fam-trastuzumab deruxtecan-nxki) is an antibody-drug conjugate that has shown efficacy in the treatment of HER2-mutant non-small cell lung cancer (NSCLC). Clinical trials have demonstrated that Enhertu can lead to significant tumor shrinkage and prolonged progression-free survival in patients with this specific type of lung cancer. The drug targets HER2, a protein that can promote the growth of cancer cells when present in high amounts or in a mutated form. By delivering a cytotoxic agent directly to the cancer cells, Enhertu helps to minimize damage to healthy cells while effectively targeting the cancerous ones.

The DESTINY-Lung01 trial is a pivotal study that has provided evidence for the efficacy of Enhertu in the treatment of HER2-mutant NSCLC. In this trial, patients who were treated with Enhertu experienced a notable objective response rate, indicating a reduction in tumor size. The duration of response and overall survival data from the trial further support the potential of Enhertu as a targeted therapy for patients with this subtype of lung cancer.

Cosela (trilaciclib) Efficacy in Lung Cancer

Cosela (trilaciclib) is a first-in-class myeloprotection agent used to decrease the incidence of chemotherapy-induced myelosuppression in adult patients when administered prior to a platinum/etoposide-containing regimen or topotecan-containing regimen for extensive-stage small cell lung cancer (ES-SCLC). Cosela is not a direct treatment for lung cancer itself, but rather it is designed to protect bone marrow function during chemotherapy, potentially leading to improved patient outcomes by allowing them to receive chemotherapy at the intended dose and schedule.

In clinical trials, Cosela has been shown to significantly reduce the occurrence of severe neutropenia in patients undergoing chemotherapy for ES-SCLC. This reduction in neutropenia is clinically significant as it can decrease the risk of infections and the need for hospitalizations or delays in chemotherapy, which can be critical for the overall efficacy of cancer treatment. Additionally, Cosela has demonstrated an improvement in other hematologic parameters, such as reducing the need for growth factor support and red blood cell transfusions, further underscoring its role in enhancing the tolerability of chemotherapy in lung cancer patients.

Regulatory Agency Approvals

Enhertu
  • European Medical Agency (EMA), European Union
  • Food and Drug Administration (FDA), USA
  • Pharmaceuticals and Medical Devices Agency (PMDA), Japan
Cosela
  • Food and Drug Administration (FDA), USA

Access Enhertu or Cosela today

If Enhertu or Cosela 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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