Opinion - American Journal of Physiology, Biochemistry and Pharmacology (2023)
The Future of Chemotherapy: Types, Uses, and Side Effects
Dekhit Romano*Dekhit Romano, Department of Cancer, Jerusalem University College, Jerusalem, Israel, Email: romano_d@gmail.com
Received: 28-Jul-2023, Manuscript No. AJPBP-23-112775; Editor assigned: 31-Jul-2023, Pre QC No. AJPBP-23-112775 (PQ); Reviewed: 14-Aug-2023, QC No. AJPBP-23-112775; Revised: 21-Aug-2023, Manuscript No. AJPBP-23-112775 (R); Published: 28-Aug-2023
Description
Chemotherapy, often referred to simply as “chemo,” is fundamental in the treatment of cancer. It is a potent medical therapy that uses drugs to target and destroy cancer cells in the body. Since its inception, chemotherapy has revolutionized cancer treatment and significantly improved patient outcomes. This article discusses about chemotherapy, its mechanism of action, common side effects, and its place in modern cancer care.
Chemotherapy is a systemic treatment, explains travels throughout the body to reach and kill cancer cells. Unlike localized therapies like surgery or radiation, chemotherapy can treat cancer that has spread to multiple sites or is present in the bloodstream. It is often used to shrink tumors before surgery, destroy any remaining cancer cells after surgery, or as a primary treatment for advanced or metastatic cancers.
Types of chemotherapy
There are various chemotherapy drugs available, and they are often used in combination to increase effectiveness and reduce the risk of drug resistance. The choice of chemotherapy regimen depends on the type and stage of cancer, the overall health of the patient, and the treatment goals.
Alkylating agents: These drugs directly damage the DNA of cancer cells, preventing them from dividing and multiplying.
Antimetabolites: These drugs mimic essential cellular components and interfere with the processes required for cancer cell growth.
Anthracyclines: These drugs are effective against many types of cancer and work by inhibiting enzymes responsible for DNA replication.
Topoisomerase inhibitors: These drugs interfere with enzymes that help unwind and duplicate DNA during cell division.
Mitotic inhibitors: These drugs prevent cancer cells from dividing by disrupting the formation of microtubules, essential structures for cell division.
Uses of chemotherapy
Chemotherapy is a medicinal therapy that uses potent chemicals to kill your body’s rapidly proliferating cells. Chemotherapy is most frequently used to treat cancer because cancer cells reproduce and develop considerably more quickly than the majority of body cells. Chemotherapy medications come in a wide variety.
The main purposes of chemotherapy include:
• Fewer cancer cells overall in the body
• Lessen the chance of cancer spreading
• Reduced tumour size
• Lessen existing symptoms
• Additionally, chemotherapy is used to get ready for additional treatments. It might be used to make a tumour smaller so that it can be surgically removed or to get ready for radiation treatment.
• Chemotherapy may ease discomfort in cancer patients with advanced stages of the disease.
• In addition to cancer treatment, chemotherapy can be used to get people with bone marrow disorders ready for a bone marrow
Side effects of chemotherapy
One of the significant challenges of chemotherapy is its impact on healthy cells. The rapidly dividing cells in the body, such as those in the bone marrow, digestive tract, and hair follicles, are also affected by chemotherapy. Common side effects of chemotherapy include:
Fatigue: Feeling tired and low on energy is a common side effect due to the impact on healthy cells.
Nausea and vomiting: Some chemotherapy drugs can irritate the lining of the stomach, leading to nausea and vomiting.
Hair loss: Hair follicles are sensitive to chemotherapy, leading to temporary hair loss.
Suppressed immune system: Chemotherapy can lower the body’s ability to fight infections, making patients more susceptible to illnesses.
Anaemia and bleeding: Chemotherapy can reduce the number of red blood cells, causing anaemia, and lower the number of platelets, leading to an increased risk of bleeding.
The future of chemotherapy
As medical research progresses, scientists are continuously working on developing new chemotherapy drugs that are more effective and have fewer side effects. Additionally, researchers are exploring combination therapies, where chemotherapy is combined with other targeted therapies or immunotherapies to enhance treatment outcomes.
Chemotherapy remains a critical and effective treatment option in the fight against cancer. The ongoing advancements in medical science offer potential for even more effective and targeted chemotherapy treatments in the future. Chemotherapy continues to play a significant role in improving the quality of life and survival rates for cancer patients around the world.