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Related Concept Videos

Targeted Cancer Therapies02:57

Targeted Cancer Therapies

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The targeted cancer therapies, also known as “molecular targeted therapies,” take advantage of the molecular and genetic differences between the cancer cells and the normal cells. It needs a thorough understanding of the cancer cells to develop drugs that can target specific molecular aspects that drive the growth, progression, and spread of cancer cells without affecting the growth and survival of other normal cells in the body.
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Mitogens and their receptors play a crucial role in controlling the progression of the cell cycle. However, the loss of mitogenic control over cell division leads to tumor formation. Therefore, mitogens and mitogen receptors play an important role in cancer research. For instance, the epidermal growth factor (EGF) - a type of mitogen and its transmembrane receptor (EGFR), decides the fate of the cell's proliferation. When EGF binds to EGFR, a member of the ErbB family of tyrosine kinase...
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Receptor tyrosine kinase inhibitors (TKIs) and calcium channel blockers (CCBs) are two critical categories of drugs employed in the treatment of pulmonary artery hypertension (PAH). PAH is a disease that causes high blood pressure in the pulmonary arteries, resulting in chest pain, fatigue, and shortness of breath.
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Treatment for Pulmonary Arterial Hypertension: Endothelin Receptor Antagonists01:18

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Endothelins (ETs) are potent vasoactive peptides critical in the human body's various physiological and pathological processes. One of the most promising therapeutic strategies for treating pulmonary arterial hypertension (PAH) involves counteracting the effects of these endothelins using a class of drugs known as endothelin receptor antagonists.
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Tumor Immunotherapy

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Immunotherapy is a treatment that boosts or manipulates the immune system to fight diseases, including cancer. For instance, by stimulating an immune response through vaccinations against viruses that cause cancers, like hepatitis B virus and human papillomavirus, these diseases can be prevented. Nonetheless, some cancer cells can avoid the immune system due to their rapid mutation and division. The immune response to many cancers involves three phases: elimination, equilibrium, and escape.
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How to Treat EGFR-Mutated Non-Small Cell Lung Cancer.

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Osimertinib is a key treatment for EGFR-mutated NSCLC. This study shows that osimertinib-induced cardiomyopathy can be safely managed, allowing patients to benefit from rechallenge therapy.

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Area of Science:

  • Oncology
  • Pharmacology

Background:

  • Epidermal Growth Factor Receptor (EGFR) mutations are common in non-small cell lung cancer (NSCLC), particularly adenocarcinomas.
  • Osimertinib is a first-line targeted therapy for metastatic NSCLC with specific EGFR mutations (exon 19 deletions, exon 21 L858R).
  • While effective, Osimertinib can cause side effects like rash, diarrhea, and serious cardiac issues including cardiomyopathy and QT interval prolongation.

Purpose of the Study:

  • To evaluate the management and outcomes of Osimertinib-induced cardiomyopathy.
  • To assess the safety and efficacy of rechallenging patients with Osimertinib after managing cardiac side effects.

Main Methods:

  • Retrospective case review.
  • Clinical management of Osimertinib-induced cardiomyopathy.
  • Monitoring of patient outcomes during Osimertinib rechallenge.

Main Results:

  • Osimertinib-induced cardiomyopathy was successfully managed by drug cessation and guideline-directed medical therapy.
  • Patients who were rechallenged with Osimertinib demonstrated that the benefits outweighed the risks.
  • The case series indicates that safe rechallenge with Osimertinib is feasible.

Conclusions:

  • Osimertinib-induced cardiomyopathy is a manageable side effect in NSCLC patients.
  • Rechallenging with Osimertinib after managing cardiac toxicity can be a safe and beneficial therapeutic strategy.
  • This approach allows continued treatment with an effective therapy when Osimertinib is the optimal choice.