Methotrexate
The active substance in Trexan Neo tablets, methotrexate, has the following properties:
Methotrexate is used:
Your doctor will explain how Trexan Neo tablets can help you with your condition.
In the treatment of rheumatoid arthritis, psoriasis, or psoriatic arthritis, Trexan Neo should be taken only once a week. Taking too high a dose of Trexan Neo (methotrexate) can lead to death. You should read the contents of section 3 of this leaflet very carefully. If you have any questions, you should consult your doctor or pharmacist before taking this medicine.
Before starting treatment with Trexan Neo, you should discuss the following with your doctor, pharmacist, or nurse:
During methotrexate treatment, cases of acute bleeding from the lungs have been reported in patients with underlying rheumatologic disease. If you experience coughing up blood or bloody sputum, you should immediately consult your doctor.
A side effect of Trexan Neo may be diarrhea, which requires discontinuation of treatment.
If you experience diarrhea, you should consult your doctor.
Methotrexate has a temporary effect on the production of sperm and egg cells.
Methotrexate may cause miscarriage and severe birth defects. Women should avoid becoming pregnant while taking methotrexate and for at least 6 months after treatment ends. Men taking methotrexate should avoid fatherhood or donating sperm during treatment and for at least 3 months after treatment ends. See also the section "Pregnancy, breastfeeding, and fertility".
Radiation therapy during Trexan Neo treatment may increase the risk of soft tissue or bone necrosis. During methotrexate treatment, previously radiation-induced skin changes may recur (radiation dermatitis) or sunburn-like reactions (recall reactions). While taking methotrexate, psoriatic skin lesions may worsen if you are exposed to UV radiation.
Methotrexate may increase the sensitivity of your skin to sunlight. You should avoid intense sun exposure and not use a sunbed or sunlamp without consulting your doctor.
To protect your skin from intense sunlight, you should wear appropriate clothing or use a sunscreen with a high protection factor.
In patients receiving low-dose methotrexate, lymphoma (lymph node cancer) may occur. In such cases, treatment should be discontinued.
If you, your partner, or caregiver notice new or worsening neurological symptoms, including general muscle weakness, vision disturbances, changes in thinking, memory, and orientation leading to disorientation and personality changes, you should immediately contact your doctor, as these may be symptoms of a very rare, serious brain infection called progressive multifocal leukoencephalopathy (PML).
In patients with cancer receiving methotrexate, certain other brain disorders (encephalopathy/leukoencephalopathy) have been reported. Such side effects cannot be ruled out when methotrexate is used to treat other diseases.
Recommended tests and precautions
Even with low doses of methotrexate, severe side effects may occur. To detect these side effects early, your doctor will need to perform tests and laboratory tests.
Before starting treatment:
During treatment:
It is very important that you attend all scheduled blood tests. If any of these tests are abnormal, your doctor will adjust your treatment accordingly.
During Trexan Neo therapy, children, adolescents, and elderly patients treated with methotrexate should be closely monitored by their doctor to detect any potential side effects as early as possible.
In elderly patients, it is necessary to use a relatively low dose of methotrexate due to impaired liver and kidney function and lower folate reserves in the elderly.
Methotrexate is not recommended for use in children under 3 years of age due to insufficient experience in this age group.
Other medicines taken at the same time may affect the efficacy and safety of Trexan Neo. Trexan Neo may also affect the efficacy and safety of other medicines.
You should tell your doctor or pharmacist about all medicines you are currently taking or have recently taken, as well as any medicines you plan to take. You should remember to inform your doctor about taking Trexan Neo if you are prescribed another medicine. It is especially important to inform your doctor if you are taking:
During Trexan Neo therapy, you should avoid alcohol, as well as large amounts of coffee, caffeine-containing beverages, and black tea. While taking Trexan Neo, you should drink plenty of fluids, as dehydration (reduced water content in the body) may increase the risk of methotrexate side effects.
If you are pregnant or breastfeeding, think you may be pregnant, or plan to have a child, you should consult your doctor or pharmacist before taking this medicine.
Pregnancy
Trexan Neo should notbe taken during pregnancy, unless your doctor has recommended it for cancer treatment.
Methotrexate may cause birth defects, harm the unborn child, or lead to miscarriage. This is associated with developmental abnormalities of the skull, face, heart, and blood vessels, brain, and limbs. Therefore, it is very important not to give methotrexate to pregnant women or women planning to become pregnant, unless the medicine is used for cancer treatment.
In non-oncological indications, in women of childbearing age, before starting treatment, you should rule out the possibility of pregnancy, e.g., by performing a pregnancy test.
You should not take Trexan Neo if you are trying to become pregnant. You should avoid becoming pregnant while taking methotrexate and for at least 6 months after treatment ends. During this time, you should use effective contraception (see also the section "Warnings and precautions").
If you become pregnant during treatment or think you may be pregnant, you should consult your doctor as soon as possible. If you become pregnant during treatment, you should receive advice on the risk of methotrexate harming your child.
If you plan to become pregnant, you should consult your doctor, who may refer you to a specialist for advice before planned treatment begins.
Breastfeeding
Since methotrexate passes into breast milk, you should not breastfeed while taking this medicine. If your doctor considers it necessary to take methotrexate during breastfeeding, you should stop breastfeeding.
Male fertility
Available data do not indicate an increased risk of birth defects or miscarriages after the father has taken methotrexate at a dose below 30 mg/week. However, this risk cannot be completely ruled out; there is also no information on higher doses of methotrexate. Methotrexate may have genotoxic effects. This means that the medicine may cause genetic mutations. Methotrexate may affect sperm production, which is associated with the possibility of birth defects.
You should avoid fertilizing your partner or donating sperm while taking methotrexate and for at least 3 months after treatment ends. Due to the potential risk of infertility and genetic mutations when taking higher doses of methotrexate, typically used in cancer treatment, it may be recommended to store sperm obtained before starting treatment (see also the section "Warnings and precautions").
Before taking any medicine, you should consult your doctor or pharmacist.
During Trexan Neo therapy, you may experience fatigue and dizziness. If these symptoms occur, you should not drive or operate machinery.
These tablets contain lactose. If you have been diagnosed with intolerance to some sugars, you should consult your doctor before taking this medicine.
This medicine should always be taken exactly as directed by your doctor or pharmacist. If you are unsure, you should consult your doctor or pharmacist.
Dosing in rheumatoid arthritis, psoriasis, and severe psoriatic arthritis
Tablets should be taken once a week, always on the same day of the week. The dose is usually between 7.5 and 15 mg once a week.
Dosing for maintenance therapy in acute lymphoblastic leukemia
Your doctor will calculate the required dose based on your body surface area. Your doctor will decide on the appropriate dose. Further information can be obtained from your doctor.
Special patient populations
In elderly patients and patients with impaired liver or kidney function, a reduced dose is usually used, depending on the doctor's decision. See also section 2: "When not to take Trexan Neo".
In children and adolescents receiving maintenance therapy for acute lymphoblastic leukemia, the doctor will calculate the dose individually based on body surface area.
You should follow the appropriate procedures for handling cytotoxic agents. Anyone coming into contact with methotrexate should wash their hands before and after administering the dose. When handling methotrexate tablets, you should use disposable gloves. Women who are pregnant, planning to become pregnant, or breastfeeding should avoid contact with methotrexate.
You should avoid skin and mucous membrane contact. If methotrexate comes into contact with your skin or mucous membranes, you should immediately wash the affected area with soap and water.
You should advise parents, caregivers, and patients to store methotrexate in a place that is inaccessible to children, preferably in a locked cabinet.
Accidental ingestion by a child may lead to death.
If you (or someone else) have taken more than the recommended dose of Trexan Neo, you should immediately contact your doctor or the nearest hospital emergency department.
Overdose of methotrexate can lead to severe toxic reactions, including death.
Symptoms of overdose may include: bleeding tendency or bruising, unusual weakness, oral ulcers, nausea, vomiting, black or bloody stools, coughing up blood or coffee-ground-like vomit, and decreased urine output. See also section 4: "Possible side effects".
When going to your doctor or hospital, you should take the medicine package with you. If you have taken too much methotrexate, you will be given calcium folinate to alleviate the side effects of methotrexate.
If you miss a dose, you should take it as soon as possible, provided that you remember within 2 days. However, if more than 2 days have passed since the scheduled dose, you should consult your doctor. You should not take a double dose to make up for the missed dose.
Before going on vacation or a trip, you should ensure that you have a sufficient supply of medicine.
Unless your doctor advises you to do so, you should not stop taking Trexan Neo. If you need to stop taking Trexan Neo, your doctor will decide on the best method of withdrawal.
If you have any further questions about taking this medicine, you should consult your doctor, pharmacist, or nurse.
Like all medicines, Trexan Neo can cause side effects, although not everybody gets them.
Generally, the frequency and severity of methotrexate side effects are related to the dose and frequency of administration. Most side effects are reversible if detected early.
You should tell your doctor immediatelyif you experience any of the following symptoms, as they may indicate a severe, potentially life-threatening side effect that requires special treatment:
Most of the following side effects occur only in patients receiving high doses of methotrexate for cancer treatment. In the treatment of psoriasis or rheumatoid arthritis, they are less common and less severe.
Very common(may affect more than 1 in 10 people):
Common(may affect up to 1 in 10 people):
Uncommon(may affect up to 1 in 100 people):
Rare(may affect up to 1 in 1,000 people):
Very rare(may affect up to 1 in 10,000 people):
Septicemia leading to death, abnormally low blood cell count, bleeding from the lungs*, bone jaw damage (due to overproduction of white blood cells), brain disease, pathological changes in the white matter of the brain (leukoencephalopathy), inflammation of the air sacs in the lungs, weakness, increased risk of toxic reactions during radiation therapy, redness and peeling of the skin, swelling. Psoriatic skin lesions may worsen during concurrent exposure to ultraviolet light, such as sunlight, and methotrexate. During methotrexate treatment, previously radiation-induced skin changes may recur (radiation dermatitis) or sunburn-like reactions (recall reactions).
*(reported during methotrexate treatment in patients with underlying rheumatologic disease)
If you experience any side effects, including those not listed in this leaflet, you should tell your doctor, pharmacist, or nurse. You can also report side effects directly to the Department of Drug Safety Monitoring of the Office for Registration of Medicinal Products, Medical Devices, and Biocidal Products:
Jerozolimskie Avenue 181C,
02-222 Warsaw,
phone: 22 49 21 301,
fax: 22 49 21 309,
website: https://smz.ezdrowie.gov.pl
You can also report side effects to the marketing authorization holder.
By reporting side effects, you can help provide more information on the safety of this medicine.
The medicine should be stored out of sight and reach of children, preferably in a locked cabinet. Accidental ingestion by a child may lead to death.
Do not use this medicine after the expiry date stated on the blister or outer carton. The expiry date refers to the last day of the month.
There are no special storage instructions for this medicine. Blisters should be stored in the outer carton to protect from light.
You should follow the appropriate procedures for handling cytotoxic agents. Anyone coming into contact with methotrexate should wash their hands before and after administering the dose. When handling methotrexate tablets, you should use disposable gloves. Women who are pregnant, planning to become pregnant, or breastfeeding should avoid contact with methotrexate.
Any unused medicine or waste material should be disposed of in accordance with local regulations for cytotoxic agents.
Medicines should not be disposed of via wastewater or household waste. You should ask your pharmacist how to dispose of medicines that are no longer needed. This will help protect the environment.
Trexan Neo, 2.5 mg, tablets: yellow, round, uncoated, flat tablets with a dividing line and the marking "ORN 57" embossed on one side, with a diameter of 6 mm. The dividing line on the tablet is only to facilitate breaking the tablet and not to divide it into equal doses.
Trexan Neo, 10 mg, tablets: yellow, capsule-shaped, uncoated, convex tablets with the marking "ORN 59" embossed on one side and a dividing line on the other side, with a length of 14.0 mm and a width of 6.0 mm. The tablet can be divided into equal doses.
Pack sizes:
PVC/Aluminum blisters
2.5 mg: 4, 8, 10, 12, 16, 20, 24, 30, 36, 40, 48, 50, 60, 100, and 120 tablets.
10 mg: 4, 8, 10, 12, 16, 20, 24, 30, 36, 40, 48, 50, 60, 100, and 120 tablets.
Not all pack sizes may be marketed.
Orion Corporation
Orionintie 1
FI-02200 Espoo
Finland
Orion Corporation Orion Pharma
Tengströminkatu 8
FI-20360 Turku
Finland
Orion Corporation Orion Pharma
Joensuunkatu 7
FI-24100 Salo
Finland
Denmark, Estonia, Finland, Lithuania:
Trexan
France:
Imenor
Spain:
Methotrexate Semanal Orion Pharma
Ireland, Norway, Hungary, United Kingdom:
Methotrexate Orion
Iceland, Sweden:
Methotrexate Orion Pharma
Czech Republic, Poland, Slovakia:
Trexan Neo
To obtain more detailed information on this medicine, you should contact the local representative of the marketing authorization holder:
Orion Pharma Poland Sp. z o.o.
kontakt@orionpharma.info.pl
Date of last revision of the leaflet:05/2025
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