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GRUMABIX 250 mg FILM-COATED TABLETS

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About the medicine

How to use GRUMABIX 250 mg FILM-COATED TABLETS

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This page provides general information and does not replace a doctor’s consultation. Always consult a doctor before taking any medication. Seek urgent medical care if symptoms are severe.

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Introduction

Package Leaflet: Information for the User

Grumabix 250 mgfilm-coated tabletsEFG

abiraterone acetate

Read all of this leaflet carefully before you start taking this medicine because it contains important information for you.

  • Keep this leaflet, you may need to read it again.
  • If you have any further questions, ask your doctor or pharmacist.
  • This medicine has been prescribed for you only. Do not pass it on to others. It may harm them, even if their signs of illness are the same as yours.
  • If you get any side effects, talk to your doctor or pharmacist. This includes any possible side effects not listed in this leaflet. See section 4.

Contents of the pack

  1. What is Grumabix and what is it used for
  2. What you need to know before you take Grumabix
  3. How to take Grumabix
  4. Possible side effects
  5. Storage of Grumabix
  6. Contents of the pack and other information

1. What is Grumabix and what is it used for

Grumabix contains the active substance abiraterone acetate. It is used for the treatment of prostate cancer in adult men that has spread to other parts of the body. This medicine stops your body from making testosterone; this can slow down the growth of your prostate cancer.

When this medicine is prescribed in the early stages of the disease and you are still responding to hormone treatment, it is used together with treatment to lower testosterone levels (androgen deprivation therapy).

When you take this medicine, your doctor will also prescribe another medicine called prednisone or prednisolone to reduce the risk of high blood pressure, fluid retention, or low potassium levels in your blood.

Doctor consultation

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2. What you need to know before you take Grumabix

Do not take Grumabix

  • if you are allergic to abiraterone acetate or any of the other ingredients of this medicine (listed in section 6).
  • if you are a woman, especially if you are pregnant. This medicine is only for use in male patients.
  • if you have severe liver disease.
  • in combination with Ra-223 (used for the treatment of prostate cancer).

Do not take this medicine if any of the above applies to you. If you are in doubt, consult your doctor or pharmacist before taking this medicine.

Warnings and precautions

Consult your doctor or pharmacist before starting treatment with this medicine:

  • if you have liver problems
  • if you have been told you have high blood pressure or heart failure or low potassium levels in your blood (low potassium levels in your blood can increase the risk of heart rhythm problems)
  • if you have had other heart or blood vessel problems
  • if you have a fast or irregular heart rate
  • if you have difficulty breathing
  • if you have gained weight quickly
  • if you have swelling in your feet, ankles, or legs
  • if you have taken in the past a medicine known as ketoconazole for prostate cancer
  • about the need to take this medicine with prednisone or prednisolone
  • about possible side effects on your bones
  • if you have high blood sugar levels.

Tell your doctor if you have been told you have any heart or blood vessel disorder, including heart rhythm problems (arrhythmia), or if you are being treated with medicines for these disorders.

Tell your doctor if you have yellowing of the skin or eyes, dark urine, or severe nausea or vomiting, as these can be signs or symptoms of liver problems. Rarely, acute liver failure (a sudden severe liver disorder) can occur, which can be life-threatening.

A decrease in red blood cell count, reduced sexual desire, and cases of muscle weakness and/or muscle pain may occur.

This medicine must not be taken in combination with Ra-223 due to a possible increased risk of bone fracture or death.

If you plan to take Ra-223 after treatment with this medicine and prednisone/prednisolone, you must wait 5 days before starting treatment with Ra-223.

If you are unsure if any of the above applies to you, consult your doctor or pharmacist before taking this medicine.

Blood tests

This medicine may affect your liver even if you do not have any symptoms. While you are taking this medicine, your doctor will regularly perform blood tests to check for any effect on your liver.

Children and adolescents

This medicine must not be used in children and adolescents. If a child or adolescent accidentally ingests this medicine, they should go to the hospital immediately and bring this leaflet with them to show to the emergency doctor.

Other medicines and Grumabix

Consult your doctor or pharmacist before taking any other medicine.

Tell your doctor or pharmacist if you are taking, have recently taken, or might take any other medicines. This is important because this medicine can increase the effects of a number of medicines, including medicines for the heart, sedatives, some medicines for diabetes, herbal medicines (e.g., St. John's Wort), and others. Your doctor may consider changing the dose of these medicines. Also, some medicines may increase or decrease the effects of this medicine. This can lead to side effects or this medicine may not work as well as it should.

Androgen deprivation therapy may increase the risk of heart rhythm problems. Tell your doctor if you are being treated with medicines

  • used to treat heart rhythm problems (e.g., quinidine, procainamide, amiodarone, and sotalol);
  • that increase the risk of heart rhythm problems [e.g., methadone (used for pain relief and as part of drug addiction detoxification), moxifloxacin (an antibiotic), antipsychotics (used for severe mental illnesses)].

Consult your doctor if you are taking any of the medicines listed above.

Grumabix with food

  • This medicine must not be taken with food (see section 3, "How to take this medicine").
  • Taking this medicine with food may cause side effects.

Pregnancy and breastfeeding

This medicine is not indicated in women.

  • This medicine may harm the fetus if taken by a pregnant woman.
  • Pregnant women or women who think they may be pregnant should wear gloves if they need to touch or handle this medicine.
  • If you have sex with a woman of childbearing age, you must use a condom and another effective contraceptive method.
  • If you have sex with a pregnant woman, you must use a condom to protect the fetus.

Driving and using machines

It is unlikely that this medicine will affect your ability to drive or use tools or machines.

Grumabix contains lactose and sodium

This medicine contains lactose. If your doctor has told you that you have an intolerance to some sugars, consult them before taking this medicine.

This medicine contains 5.88 mg of sodium (the main component of cooking/table salt) in each tablet. This is equivalent to 0.3% of the maximum daily intake of sodium recommended for an adult.

3. How to take Grumabix

Follow exactly the instructions of administration of this medicine given to you by your doctor. If you are in doubt, consult your doctor or pharmacist again.

How much to take

The recommended dose is 1,000 mg (four tablets) once a day.

How to take this medicine

  • Take this medicine orally.
  • Do not take Grumabix with food. Taking Grumabix with food may cause your body to absorb more medicine than necessary, which can cause side effects.
  • Take the Grumabix tablets as a single dose once a day on an empty stomach. Grumabix should be taken at least 2 hours after eating and no food should be consumed for at least 1 hour after taking Grumabix (see section 2, "Grumabix with food").
  • Swallow the tablets whole with water.
  • Do not break the tablets.
  • This medicine is given together with a medicine called prednisone or prednisolone. Take prednisone or prednisolone exactly as your doctor tells you.
  • You will need to take prednisone or prednisolone every day while you are taking this medicine.
  • If you have a medical emergency, you may need to adjust the amount of prednisone or prednisolone you take. Your doctor will tell you if you need to change the amount of prednisone or prednisolone you take. Do not stop taking prednisone or prednisolone unless your doctor tells you to.

It is also possible that your doctor will prescribe other medicines while you are taking this medicine and prednisone or prednisolone.

If you take more Grumabix than you should

If you take more than you should, consult your doctor or go to the hospital immediately.

If you forget to take Grumabix

  • If you forget to take this medicine or prednisone or prednisolone, take your normal dose the next day.
  • If you forget to take this medicine or prednisone or prednisolone for more than one day, consult your doctor immediately.

If you stop taking Grumabix

Do not stop taking this medicine or prednisone or prednisolone unless your doctor tells you to.

If you have any further questions on the use of this medicine, ask your doctor or pharmacist.

Medicine questions

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Discuss your symptoms and treatment with a doctor online.

4. Possible side effects

Like all medicines, this medicine can cause side effects, although not everybody gets them.

Stop taking this medicine and contact your doctor immediately if you experience any of the following:

  • Muscle weakness, muscle contractions, or rapid heartbeat (palpitations). These can be signs of low potassium levels in your blood.

Other side effects are:

Very common(may affect more than 1 in 10 people):

Fluid retention in the legs or feet, low potassium levels in the blood, elevated liver function tests, high blood pressure, urinary tract infection, diarrhea.

Common(may affect up to 1 in 10 people):

High levels of fats in the blood, chest pain, irregular heartbeat (atrial fibrillation), heart failure, rapid heartbeat, severe infections called sepsis, bone fractures, indigestion, blood in the urine, skin rash.

Uncommon(may affect up to 1 in 100 people):

Problems with the adrenal glands (related to problems with salt and water), abnormal heart rhythm (arrhythmia), muscle weakness and/or muscle pain.

Rare(may affect up to 1 in 1,000 people):

Lung irritation (also called allergic alveolitis). Liver failure (also called acute liver failure).

Not known(frequency cannot be estimated from the available data):

Heart attack, changes in the electrocardiogram (ECG) (prolonged QT), and severe allergic reactions with difficulty swallowing or breathing, face, lips, tongue, or throat swelling, or itchy rash.

Bone density loss may occur in men receiving treatment for prostate cancer. This medicine in combination with prednisone or prednisolone may increase this bone density loss.

Reporting of side effects

If you experience any side effects, talk to your doctor or pharmacist. This includes any possible side effects not listed in this leaflet. You can also report side effects directly via the Spanish Medicines and Healthcare Products Agency (AEMPS) website: https://www.notificaram.es. By reporting side effects, you can help provide more information on the safety of this medicine.

5. Storage of Grumabix

  • Keep this medicine out of the sight and reach of children.
  • Do not use this medicine after the expiry date which is stated on the carton and blister.
  • The expiry date refers to the last day of the month shown.
  • No special storage conditions are required.
  • Medicines should not be disposed of via wastewater or household waste. Ask your pharmacist how to dispose of medicines no longer required. These measures will help protect the environment.

6. Contents of the pack and other information

Composition of Grumabix

  • The active substance is abiraterone acetate.

Each film-coated tablet contains 250 mg of abiraterone acetate.

  • The other ingredients are: lactose monohydrate, croscarmellose sodium, hypromellose, sodium lauryl sulfate, microcrystalline cellulose, anhydrous colloidal silica, magnesium stearate, polyvinyl alcohol, titanium dioxide, macrogol 4000, talc (see section 2, "Grumabix contains lactose and sodium").

Appearance and packaging

They are white or almost white, oval, biconvex film-coated tablets, 16 mm in length, with 250 engraved on one side.

Grumabix 250 mg film-coated tablets EFG are available in OPA/Aluminum/PVC/Aluminum blisters inserted in a cardboard box. Each box contains 120 film-coated tablets.

Not all pack sizes may be marketed.

Marketing authorisation holder

Adamed Pharma S.A.

Pienków, ul. M. Adamkiewicza 6A

05-152 Czosnów

Poland

Manufacturer

Adamed Pharma S.A.

ul. Marszalka Józefa Pilsudskiego 5

95-200 Pabianice

Poland

This medicine is authorised in the Member States of the European Economic Area under the following names:

Member State

Marketing authorisation name

Bulgaria

????????? 250 mg ????????? ????????

????????? 500 mg ????????? ????????

Czech Republic

GRUMABIX

Denmark

GRUMABIX

Germany

GRUMABIX

Spain

Grumabix 250 mg film-coated tablets EFG

Grumabix 500 mg film-coated tablets EFG

France

GRUMABIX 250 mg, film-coated tablet

ABIRATERONE ARROW 500 mg, film-coated tablet

Italy

GRUMABIX

Hungary

GRUMABIX 250 mg filmtabletta

GRUMABIX 500 mg filmtabletta

Poland

GRUMABIX

Slovakia

GRUMABIX

Date of last revision of this leaflet: December 2022

Detailed information on this medicine is available on the website of the Spanish Agency for Medicines and Healthcare Products (AEMPS) http://www.aemps.gob.es/.

Online doctors for GRUMABIX 250 mg FILM-COATED TABLETS

Discuss questions about GRUMABIX 250 mg FILM-COATED TABLETS, including use, safety considerations and prescription review, subject to medical assessment and local regulations.

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Doctor

Tomasz Grzelewski

Dermatology 21 years exp.

Dr Tomasz Grzelewski is an MD, PhD specialist in allergy, paediatrics, general practice and sports medicine, with a clinical focus on dermatology, endocrinology, allergology and sports-related health. He has more than 20 years of clinical experience and completed his medical training at the Medical University of Łódź, where he defended his PhD thesis with distinction. His doctoral research was recognised by the Polish Society of Allergology for its innovative contribution to the field. Throughout his career, he has gained extensive expertise in diagnosing and managing a wide range of allergic and paediatric conditions, including modern allergen desensitisation techniques.

For five years, Dr Grzelewski served as the Head of two paediatric departments in Poland, managing complex clinical cases and leading multidisciplinary teams. He also worked in medical centres in the United Kingdom, gaining experience across both primary care and specialist environments. With over a decade of telemedicine experience, he has provided online consultations across Europe and is valued for his clear, structured and evidence-based medical guidance.

Dr Grzelewski is actively involved in clinical programmes focused on modern anti-allergic therapies. As a Principal Investigator, he leads research projects on sublingual and oral allergen desensitisation, supporting evidence-based progress in allergy treatment for both children and adults.

In addition to his background in allergology and paediatrics, he completed dermatology studies through the Cambridge Education Group (Royal College of Physicians of Ireland) and a Clinical Endocrinology course at Harvard Medical School. This advanced training enhances his ability to manage skin manifestations of allergies, atopic conditions, urticaria, endocrine-related symptoms and complex immunological reactions.

Patients commonly seek his care for:

  • seasonal and perennial allergies
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  • asthma and breathing difficulties
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  • recurrent infections in children
  • sports-related health questions
  • general family medicine concerns
Dr Tomasz Grzelewski is known for his clear communication style, structured medical approach and ability to explain treatment options in a concise and accessible way. His multidisciplinary background across allergy, paediatrics, dermatology and endocrinology allows him to provide safe, up-to-date and comprehensive care for patients of all ages.
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Giorgi Eremeishvili

Urology 22 years exp.

Giorgi Eremeishvili is a top-category urologist, a Candidate of Medical Sciences, and a licensed physician in Spain. He provides expert assistance in the diagnosis and treatment of a wide range of urological conditions in both men and women, employing a comprehensive approach and evidence-based principles.

Key areas of expertise:

  • Erectile dysfunction, decreased libido, premature ejaculation.
  • Male infertility: comprehensive diagnosis and modern treatment methods.
  • Prostate gland diseases: acute and chronic prostatitis, prostatic adenoma (benign prostatic hyperplasia), prostate cancer.
  • Inflammatory diseases of the genitourinary system: acute and chronic cystitis, pyelonephritis, epididymitis, orchitis, urethritis.
  • Sexually transmitted infections (STIs): chlamydia, ureaplasmosis, mycoplasmosis, gardnerellosis, candidiasis, herpetic infections, HPV, CMV, trichomoniasis, and others.
  • Urination disorders: urinary retention, frequent urination, urinary incontinence, overactive bladder, neurogenic bladder.
  • Neoplasms: cysts, tumors of the kidneys, bladder, testicles, prostate gland (including prostate cancer).
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Dr. Eremeishvili applies an integrated approach to each case. This includes thorough preoperative preparation, postoperative observation, and regular dynamic follow-up during the treatment process to achieve the best possible outcomes. All diagnostic and therapeutic recommendations are based on current evidence-based medicine and comply with the recommendations of the European Association of Urology, guaranteeing high-quality and effective care.

If you are seeking qualified assistance in diagnosing or treating urological conditions, book an online consultation with Dr. Giorgi Eremeishvili. Get expert support, accurate diagnosis, and a personalized treatment plan from the comfort of your home.

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Anna Biriukova

General medicine 6 years exp.

Dr Anna Biriukova is an internal medicine doctor with clinical experience in cardiology, endocrinology, and gastroenterology. She provides online consultations for adults, offering expert medical support for heart health, hormonal balance, digestive issues, and general internal medicine.

Cardiology – Diagnosis and treatment of:

  • High blood pressure, blood pressure fluctuations, and cardiovascular risk prevention.
  • Chest pain, shortness of breath, arrhythmias (tachycardia, bradycardia, palpitations).
  • Leg swelling, chronic fatigue, reduced exercise tolerance.
  • EKG interpretation, lipid profile evaluation, cardiovascular risk assessment (heart attack, stroke).
  • Post-COVID-19 cardiac monitoring and care.
Endocrinology – Diabetes, thyroid, metabolism:
  • Diagnosis and management of type 1 and type 2 diabetes, and prediabetes.
  • Individual treatment plans including oral medications and insulin therapy.
  • GLP-1 therapy– modern pharmacological treatment for weight management and diabetes control, including drug selection, monitoring, and safety follow-up.
  • Thyroid disorders – hypothyroidism, hyperthyroidism, autoimmune thyroid diseases (Hashimoto’s, Graves’ disease).
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Gastroenterology – Digestive health:
  • Abdominal pain, nausea, heartburn, gastroesophageal reflux (GERD).
  • Stomach and intestinal conditions: gastritis, irritable bowel syndrome (IBS), indigestion.
  • Management of chronic digestive disorders and interpretation of tests (endoscopy, ultrasound, labs).
General internal medicine and preventive care:
  • Respiratory infections – cough, colds, bronchitis.
  • Lab test analysis, therapy adjustments, medication management.
  • Adult vaccinations – planning, contraindications assessment.
  • Cancer prevention – screening strategies and risk assessment.
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Dr Biriukova combines internal medicine with specialist insight, offering clear explanations, personalised treatment plans, and comprehensive care tailored to each patient.
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Doctor

Dmytro Horobets

Family medicine 7 years exp.

Dr. Dmytro Horobets is a licensed family medicine physician in Poland, specialising in endocrinology, diabetology, obesity management, gastroenterology, pediatrics, general surgery, and pain medicine. He offers online consultations for adults and children, providing personalised medical support for a wide range of acute and chronic health concerns.

Areas of expertise:

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  • Gastroenterology: acid reflux (GERD), gastritis, irritable bowel syndrome (IBS), liver and biliary conditions.
  • Pediatric care: infections, respiratory symptoms, digestive issues, growth and development monitoring.
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Dr. Horobets combines evidence-based medicine with a patient-centred approach. He carefully evaluates each patient’s medical history and symptoms, offering clear explanations and structured treatment plans adapted to individual needs.

Whether you need help managing diabetes, tackling weight-related health issues, interpreting lab results, or receiving general family medicine support, Dr. Horobets provides professional online care tailored to your specific health goals.

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Frequently Asked Questions

Is a prescription required for GRUMABIX 250 mg FILM-COATED TABLETS?
GRUMABIX 250 mg FILM-COATED TABLETS requires a prescription in Spain. You can check with a doctor online whether this medicine may be appropriate for your situation.
What is the active substance in GRUMABIX 250 mg FILM-COATED TABLETS?
The active ingredient in GRUMABIX 250 mg FILM-COATED TABLETS is abiraterone. This information helps identify medicines with the same composition but different brand names.
Who manufactures GRUMABIX 250 mg FILM-COATED TABLETS?
GRUMABIX 250 mg FILM-COATED TABLETS is manufactured by Adamed Pharma S.A.. Pharmacy brands and packaging may differ depending on the distributor.
Which doctors can assess the use of GRUMABIX 250 mg FILM-COATED TABLETS online?
Doctors such as Family doctors, Psychiatrists, Dermatologists, Cardiologists, Endocrinologists, Gastroenterologists, Pulmonologists, Nephrologists, Rheumatologists, Hematologists, Infectious disease physicians, Allergists, Geriatricians, Paediatricians, Oncologists may assess whether GRUMABIX 250 mg FILM-COATED TABLETS is appropriate, depending on your situation and local regulations. You can book an online consultation to discuss your symptoms and possible next steps.
What are the alternatives to GRUMABIX 250 mg FILM-COATED TABLETS?
Other medicines with the same active substance (abiraterone) include ABIRATERONE ACCORD 250 mg TABLETS, ABIRATERONE ACCORD 500 mg FILM-COATED TABLETS, ABIRATERONE CIPLA 500 mg FILM-COATED TABLETS. These may have different brand names or formulations but contain the same therapeutic ingredient. Always consult a doctor before switching or starting a new medicine.
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