Generic Name: trametinib (Oral route)
Commonly used brand name(s)
In the U.S.
Available Dosage Forms:
Uses For Mekinist
Trametinib is used alone or in combination with dabrafenib to treat melanoma (skin cancer) that has spread or that cannot be removed by surgery. It is only used if the melanoma cells have the BRAF V600E or V600K mutations. Your doctor will use a special test to look for these mutations. Trametinib belongs to the group of medicines called antineoplastics (cancer medicines).
This medicine is available only with your doctor's prescription.
Before Using Mekinist
In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For this medicine, the following should be considered:
Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.
Appropriate studies have not been performed on the relationship of age to the effects of trametinib in the pediatric population. Safety and efficacy have not been established.
Appropriate studies performed to date have not demonstrated geriatric-specific problems that would limit the usefulness of trametinib in the elderly.
There are no adequate studies in women for determining infant risk when using this medication during breastfeeding. Weigh the potential benefits against the potential risks before taking this medication while breastfeeding.
Interactions with Medicines
Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are taking this medicine, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.
Using this medicine with any of the following medicines is not recommended. Your doctor may decide not to treat you with this medication or change some of the other medicines you take.
- Measles Virus Vaccine, Live
- Mumps Virus Vaccine, Live
- Rubella Virus Vaccine, Live
- Varicella Virus Vaccine
Using this medicine with any of the following medicines is usually not recommended, but may be required in some cases. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.
- Adenovirus Vaccine
- Bacillus of Calmette and Guerin Vaccine, Live
- Cholera Vaccine, Live
- Influenza Virus Vaccine, Live
- Poliovirus Vaccine, Live
- Smallpox Vaccine
- Typhoid Vaccine
- Yellow Fever Vaccine
Interactions with Food/Tobacco/Alcohol
Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.
Other Medical Problems
The presence of other medical problems may affect the use of this medicine. Make sure you tell your doctor if you have any other medical problems, especially:
- Eye or vision problems or
- Heart disease (eg, cardiomyopathy) or
- Hypertension (high blood pressure) or
- Lung disease or other breathing problems—Use with caution. May make these conditions worse.
Proper Use of Mekinist
Medicines used to treat cancer are very strong and can have many side effects. Before using this medicine, make sure you understand all the risks and benefits. It is important for you to work closely with your doctor during your treatment.
Take this medicine exactly as directed by your doctor. Do not take more of it, do not take it more often, and do not take it for a longer time than your doctor ordered. To do so may increase the chance of side effects.
This medicine usually comes with a patient information leaflet. Read and follow the instructions carefully. Ask your doctor if you have any questions.
Take this medicine at least 1 hour before or 2 hours after a meal.
The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so.
The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.
- For oral dosage form (tablets):
- For melanoma:
- Adults—2 milligrams (mg) once a day.
- Children—Use and dose must be determined by your doctor.
- For melanoma:
If you miss a dose of this medicine, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not double doses.
If you miss a dose and it is less than 12 hours until your next regular dose, skip the missed dose and take your next dose at the regular time.
Keep out of the reach of children.
Do not keep outdated medicine or medicine no longer needed.
Ask your healthcare professional how you should dispose of any medicine you do not use.
Store in the refrigerator. Do not freeze.
Keep the medicine in its original bottle. Protect from moisture and light.
Precautions While Using Mekinist
It is very important that your doctor check your progress at regular visits. This will allow your doctor to see if the medicine is working properly and to decide if you should continue to take it.
Using this medicine while you are pregnant can harm your unborn baby. Use an effective form of birth control to keep from getting pregnant during therapy and for 4 months after the last dose. If you think you have become pregnant while using the medicine, tell your doctor right away.
This medicine may cause fertility (ability to have children) problems in women. Talk to your doctor before using this medicine if you plan to have children.
This medicine may cause heart problems, including heart failure. Check with your doctor right away if you have chest pain, decreased urine output, an uneven heartbeat, swelling of the face, fingers, feet, or lower legs, troubled breathing, or rapid weight gain while using this medicine.
Check with your doctor right away if blurred vision, loss of vision, or any change in vision occurs during treatment. These could be symptoms of a serious eye problem. Your doctor may want you to have your eyes checked by an ophthalmologist (eye doctor).
Tell your doctor right away if you have a cough, shortness of breath, chest tightness, or any type of breathing problem with this medicine. These could be symptoms of a serious lung problem.
Check with your doctor right away if you have a severe skin rash, acne, or redness, swelling, peeling, or tenderness of the hands or feet. These may be symptoms of a serious skin problem.
You will also need to have your blood pressure measured before starting this medicine and while you are using it. If you notice any change to your recommended blood pressure, call your doctor right away. Symptoms of high blood pressure are blurred vision, severe headache, a slow or fast heartbeat, lightheadedness, or dizziness.
Mekinist Side Effects
Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects occur:More common
- Bleeding from the rectum or bloody stools
- bleeding gums
- blemishes on the skin
- blistering, crusting, irritation, itching, or reddening of the skin
- bloating or swelling of the face, arms, hands, lower legs, or feet
- bloody nose
- blurred vision
- chest discomfort or pain
- cracked, dry, or scaly skin
- decreased urine output
- dilated neck veins
- extreme fatigue
- fast, slow, irregular, or pounding heartbeat
- irregular breathing
- irregular heartbeat
- lightheadedness, dizziness, or fainting
- pounding in the ears
- rapid weight gain
- redness, swelling, or pain of the skin
- scaling of the skin on the hands and feet
- shortness of breath
- tightness in the chest
- tingling of the hands and feet
- troubled breathing
- ulceration of the skin
- unusual tiredness or weakness
- unusual weight gain or loss
- Change in vision
- seeing flashes or sparks of light
- seeing floating spots before the eyes, or a veil or curtain across part of your vision
Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:More common
- Abdominal or stomach pain
- burning, itching, and pain in hairy areas, pus at the root of the hair
- canker sores
- change in taste
- dark-colored urine
- dry eyes
- dry mouth
- dry skin
- itching, pain, redness, swelling, tenderness, or warmth on the skin
- loosening of the fingernails
- loss of taste
- muscle cramps or spasms
- muscle pain or stiffness
- redness or soreness around the fingernails
- sores, ulcers, or white spots on the lips or tongue or inside the mouth
- swelling or inflammation of the mouth
Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.
See also: Side effects (in more detail)
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More about Mekinist (trametinib)
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- Drug class: multikinase inhibitors