Description
Introduction of Pemetrexed 100mg Injection:
Pemetrexed 100mg Injection is an anticancer medicine used to treat non-small cell lung cancer (NSCLC) of the non-squamous type and malignant pleural mesothelioma, a cancer of the lining of the chest cavity. Its active ingredient is pemetrexed. It belongs to a group of medicines called antifolates.
Pemetrexed 100mg Injection is supplied as a powder that must be dissolved and diluted before use. It is for intravenous (IV) infusion only, and it is given as a short infusion of about 10 minutes, usually once every 21 days, by a doctor or a trained healthcare professional in a hospital or clinic. It is often given together with cisplatin. Your doctor will decide the dose based on your body surface area, your kidney function, and your blood tests, and it may change from time to time.
To lower the risk of serious side effects, you will be asked to take folic acid every day and to have vitamin B12 injections, starting before treatment and continuing for some weeks after, and you will also be given a steroid medicine to lower the risk of skin rash. Drink plenty of water, avoid alcohol, and avoid anti-inflammatory painkillers such as ibuprofen around the time of treatment unless your doctor says otherwise. Use effective contraception during treatment and for several months after the last dose, as this medicine can harm an unborn baby.
Tiredness, nausea, vomiting, loss of appetite, mouth sores, and a fall in blood cell counts are among the most common side effects of this medicine. It can lower your white blood cells, red blood cells, and platelets, so regular blood tests and kidney tests are required before each cycle. Inform your doctor immediately if you experience fever or chills, signs of infection, unusual bleeding or bruising, severe diarrhea, a severe skin rash or blisters, a new or worsening cough, shortness of breath, swelling in the legs, or passing much less urine.
Uses of Pemetrexed 100mg Injection:
- Non-squamous non-small cell lung cancer (NSCLC), in combination with cisplatin, as maintenance treatment, and after earlier chemotherapy
- Malignant pleural mesothelioma, in combination with cisplatin, when the cancer cannot be removed by surgery
Benefits of Pemetrexed 100mg Injection:
1. Non-small cell lung cancer
Non-small cell lung cancer is the most common type of lung cancer and affects both smokers and non-smokers. Pemetrexed 100mg Injection stops cancer cells from making the building blocks they need to copy their DNA. This helps to slow the growth and spread of the cancer and may help patients live longer.
2. Malignant pleural mesothelioma
Malignant pleural mesothelioma is an aggressive cancer of the lining of the lungs and chest wall, often linked to asbestos exposure. Pemetrexed 100mg Injection, given with cisplatin, helps to control the growth of the cancer and relieve symptoms such as breathlessness and chest pain.
3. Short infusion
Pemetrexed 100mg Injection is given as a short infusion of about 10 minutes every 3 weeks, which keeps the time spent in the hospital short.
4. Used alone or in combination
Pemetrexed 100mg Injection can be used with cisplatin or on its own, depending on the type and stage of the cancer.
Side Effects of Pemetrexed 100mg Injection:
Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you are worried about them.
Common side effects of Pemetrexed 100mg Injection:
- Fatigue
- Nausea
- Vomiting
- Loss of appetite
- Mouth sores
- Constipation
- Low white blood cell counts (neutropenia)
- Low red blood cell counts (anemia)
- Low platelet counts (thrombocytopenia)
- Increased liver enzymes
- Increased creatinine levels
- Numbness or tingling in the hands and feet
Mechanism of Action of Pemetrexed 100mg Injection:
Pemetrexed 100mg Injection is an anticancer medication. Its active ingredient, pemetrexed, is a multitargeted antifolate. It is taken up by cancer cells, where it blocks several enzymes that depend on folate, including thymidylate synthase, dihydrofolate reductase, and others. These enzymes are needed to make the building blocks of DNA and RNA. When they are blocked, the cancer cells cannot copy their DNA or divide, and they die. This is how it works against lung cancer and mesothelioma.
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