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REZZAYO 200 mg POWDER FOR CONCENTRATE FOR SOLUTION FOR INFUSION

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About the medicine

How to use REZZAYO 200 mg POWDER FOR CONCENTRATE FOR SOLUTION FOR INFUSION

Translated with AI

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 Patient

REZZAYO 200mg powder for concentrate for solution for infusion

rezafungin

This medicine is subject to additional monitoring, which will allow for quick identification of new safety information. You can help by reporting any side effects you may get. The last section of this leaflet includes information on how to report side effects.

Read all of this leaflet carefully before you start using 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, pharmacist, or nurse.
  • If you get any side effects, talk to your doctor, pharmacist, or nurse, even if you think they are not related to the medicine. See section 4.

Contents of the pack

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

1. What is REZZAYO and what is it used for

What is REZZAYO

REZZAYO contains the active substance rezafungin, which is an antifungal. Rezafungin belongs to a group of medicines called echinocandins.

What REZZAYO is used for

This medicine is given to adults to treat invasive candidiasis, a serious fungal infection in tissues or organs caused by a type of yeast called Candida.

How REZZAYO works

This medicine blocks the action of an enzyme (a type of protein) that fungal cells need to produce a molecule that strengthens their cell walls. This makes the fungal cells fragile and prevents the growth of the fungus. This prevents the infection from spreading and gives the body's natural defenses a chance to eliminate the infection.

Doctor consultation

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2. What you need to know before you are given REZZAYO

Do not be given REZZAYO

  • if you are allergic to rezafungin, other echinocandins (such as caspofungin, anidulafungin) or any of the other ingredients of this medicine (listed in section 6).

Warnings and precautions

Talk to your doctor, pharmacist, or nurse before you are given REZZAYO.

Liver effects

Your doctor may decide to monitor your liver function more closely if you develop liver problems during treatment.

Infusion-related reactions

REZZAYO may cause infusion-related reactions, which could include flushing of the skin (redness), feeling of warmth, nausea (feeling sick), and chest tightness. Your doctor may decide to monitor you during the infusion to detect signs of an infusion-related reaction. Your doctor may decide to slow down the infusion (drip) if an infusion-related reaction occurs.

Sensitivity to light

REZZAYO may increase the risk of phototoxicity (a disorder in which the skin and eyes become very sensitive to sunlight or other types of light). During treatment and for 7 days after receiving the last dose of this medicine, you should avoid exposure to the sun or use of sunlamps without protection (such as sunscreen).

Other medicines and REZZAYO

Tell your doctor or pharmacist if you are taking, have recently taken, or might take any other medicines.

Pregnancy, breastfeeding, and fertility

You should not use this medicine unless your doctor specifically tells you to. If you are pregnant or breastfeeding, or think you may be pregnant, talk to your doctor or pharmacist before using this medicine. If you are a woman of childbearing age, your doctor may tell you to use birth control methods during treatment with REZZAYO.

The effect of REZZAYO on pregnant or breastfeeding women is not known.

Driving and using machines

This medicine is unlikely to affect your ability to drive or use machines.

REZZAYO contains sodium

This medicine contains less than 1 mmol of sodium (23 mg) per dose; this is essentially "sodium-free".

3. How REZZAYO is given

This medicine will be prepared and given to you by a doctor or healthcare professional.

Recommended dose

Your treatment will start with a "loading dose" (an initial dose of a medicine that is higher than the maintenance dose) of 400 mg on the first day. You will then be given a maintenance dose of 200 mg on Day 8 of treatment and then once a week.

REZZAYO should be given once a week, by infusion (drip) into a vein. The infusion will last at least 1 hour. Your doctor will decide the duration of the infusion and may extend it up to 3 hours to avoid infusion-related reactions.

Your doctor will decide how long you should receive treatment based on your response to the medicine and your condition.

In general, your treatment will continue for at least 14 days after the last day that Candidawas detected in your blood.

If your symptoms of invasive candidiasis come back, tell your doctor or another healthcare professional immediately.

If you are given too much REZZAYO

You should not receive this medicine more than once a week. If you are concerned that you have been given too much REZZAYO, tell your doctor or another healthcare professional immediately.

If you miss a dose of REZZAYO

Since this medicine is given to you under close medical supervision, it is unlikely that you will miss a dose. However, if you cannot attend an appointment to receive this medicine, contact your doctor or another healthcare professional as soon as possible to schedule a new appointment.

If you stop treatment with REZZAYO

Your doctor will monitor your response and condition to decide when to stop treatment with this medicine. You should not experience any side effects after this.

If you have any other questions about the use of this medicine, ask your doctor, pharmacist, or nurse.

Medicine questions

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4. Possible side effects

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

Serious side effects- tell your doctor or another healthcare professional immediately if you have any of the following side effects:

  • flushing of the skin, feeling of warmth, nausea (feeling sick), chest tightness - these may be signs that you are having an infusion-related reaction (common - may affect up to 1 in 10 people).

Other side effects

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

  • low potassium levels in the blood (hypokalemia)
  • diarrhea
  • fever (pyrexia)
  • decrease in red blood cells (anemia)

Common(may affect up to 1 in 10 people)

  • low magnesium levels in the blood (hypomagnesemia)
  • low phosphate levels in the blood (hypophosphatemia)
  • low blood pressure (hypotension)
  • wheezing
  • vomiting
  • feeling sick (nausea)
  • stomach pain (abdominal pain)
  • constipation
  • redness of the skin (erythema)
  • rash
  • increased levels of alkaline phosphatase in the blood, an enzyme (protein) produced by the liver, bones, kidneys, and intestine
  • increased levels of liver enzymes in the blood (including alanine aminotransferase and aspartate aminotransferase)
  • increased levels of bilirubin in the blood, a product of the breakdown of red blood cells

Uncommon(may affect up to 1 in 100 people)

  • high phosphate levels in the blood (hyperphosphatemia)
  • low sodium levels in the blood (hyponatremia)
  • sensitivity of the skin or eyes to sunlight or other types of light (phototoxicity)
  • shaking (tremor)
  • high levels of eosinophils in the blood (a type of white blood cell)

Frequency not known(cannot be estimated from the available data)

  • hives (urticaria)

Reporting of side effects

If you experience any side effects, talk to your doctor, pharmacist, or nurse, even if you think they are not related to the medicine. You can also report side effects directly through the national reporting system listed in Appendix V. By reporting side effects, you can help provide more information on the safety of this medicine.

5. Storage of REZZAYO

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 vial label after EXP. The expiry date is the last day of the month shown.

Do not store above 25°C.

Store the vial in the outer carton to protect it from light.

Only a qualified healthcare professional who has read the complete instructions can prepare this medicine for use. Once prepared, REZZAYO should normally be used immediately. However, the reconstituted and diluted infusion solution can be stored for up to 24 hours in the refrigerator.

Medicines should not be disposed of via wastewater or household waste. Ask your pharmacist how to dispose of medicines no longer required. This will help protect the environment.

6. Contents of the pack and further information

What REZZAYO contains

  • The active substance is rezafungin. Each vial contains 200 mg of rezafungin (as acetate).
  • The other ingredients are mannitol, histidine, polysorbate 80, hydrochloric acid, sodium hydroxide (see section 2 "REZZAYO contains sodium").

Appearance and pack contents

REZZAYO is a powder for concentrate for solution for infusion (powder for concentrate) in a glass vial with a rubber stopper and an aluminum cap with a plastic "flip-off" cap. It is a white to pale yellow paste or powder.

Each pack contains 1 vial.

Marketing authorization holder

Mundipharma GmbH,

De-Saint-Exupery-Strasse 10,

Frankfurt Am Main,

60549

Germany

Tel.: +49 69506029-000

Email: [email protected]

Manufacturer

Fareva Mirabel

Route de Marsat Riom

Clermont-Ferrand

63963

France

Or

Mundipharma DC B.V.

Leusderend 16

Leusden

Utrecht

3832 RC

Netherlands

Date of last revision of this leaflet:

Other sources of information

Detailed information on this medicine is available on the European Medicines Agency website: http://www.ema.europa.eu.

The leaflet can be found in all languages of the European Union/European Economic Area on the European Medicines Agency website.

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This information is intended only for healthcare professionals:

REZZAYO should be administered as a single agent by intravenous infusion in sodium chloride 9 mg/ml (0.9%) injection solution, sodium chloride 4.5 mg/ml (0.45%) injection solution, or glucose 5%.

INSTRUCTIONS FOR USE IN ADULT PATIENTS

REZZAYO should be reconstituted and diluted before administration.

From a microbiological point of view, the reconstituted solution and the diluted infusion solution should be used immediately. If not used immediately, the storage conditions prior to use are the responsibility of the user and would normally not exceed 24 hours between 2 and 8°C from the first opening, unless the reconstitution and dilution are performed in controlled and validated aseptic conditions.

Using aseptic techniques, reconstitute each vial with 9.5 ml of water for injection. The concentration of the reconstituted vial will be 20 mg/ml. Do not use sterile sodium chloride 9 mg/ml (0.9%) injection solution to reconstitute the vial; use only water for injection.

To minimize foam formation, do not shake or mix vigorously. The white to pale yellow powder will dissolve completely. Gently mix with circular movements for a maximum of 5 minutes until the reconstituted solution is a clear, colorless to pale yellow solution. The reconstituted solution should be inspected visually for particles or color changes. If irregularities are detected, do not use the vial.

The vial is for single use only. Therefore, the reconstituted concentrate not used should be discarded immediately.

For the 400 mg loading dose, the reconstitution step should be repeated for the additional vial of REZZAYO (see dosing table).

The total volume to be infused should be 250 ml; therefore, the volume of the infusion bag (or bottle) should be adjusted accordingly, as shown in the dosing table. Aseptically transfer 10 ml from each of the reconstituted vials to an infusion bag (or bottle) containing sodium chloride 9 mg/ml (0.9%) injection solution, sodium chloride 4.5 mg/ml (0.45%) injection solution, or glucose 5%. The total reconstituted volume to be added to the infusion bag or bottle is indicated in the dosing table. Mix the solution by gently inverting the infusion bag (or bottle). Avoid excessive agitation.

After dilution, the solution should be discarded if particles or color changes are detected.

DOSING TABLE: PREPARATION OF THE INFUSION SOLUTION IN ADULTS

Dose (mg)

Number of vials

Volume to withdraw from the 250 ml infusion bag/bottle (ml)

Volume of water for injection to add to each vial (ml)

Total reconstituted volume to add to the infusion bag/bottle (ml)

Total infusion volume (ml)

Final concentration of the infusion solution (mg/ml)

400

2

20

9.5

20*

250

1.6

200

1

10

9.5

10

250

0.8

  • 10 ml from each of the two vials, for a total of 20 ml.

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Discuss questions about REZZAYO 200 mg POWDER FOR CONCENTRATE FOR SOLUTION FOR INFUSION, including use, safety considerations and prescription review, subject to medical assessment and local regulations.

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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
  • allergic rhinitis and chronic nasal symptoms
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  • 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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Yevgen Yakovenko

General surgery 12 years exp.

Dr. Yevgen Yakovenko is a licensed surgeon and general practitioner in Spain and Germany. He specialises in general, paediatric, and oncological surgery, internal medicine, and pain management. He offers online consultations for adults and children, combining surgical precision with therapeutic support. Dr Yakovenko works with patients across different countries and provides care in Ukrainian, Russian, English, and Spanish.

Areas of medical expertise:

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Experience and qualifications:

  • 12+ years of clinical experience in university hospitals in Germany and Spain.
  • International education: Ukraine – Germany – Spain.
  • Member of the German Society of Surgeons (BDC).
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  • Active participant in international medical conferences and research.

Dr Yakovenko explains complex topics in a clear, accessible way. He works collaboratively with patients to analyse health issues and make evidence-based decisions. His approach is grounded in clinical excellence, scientific accuracy, and respect for each individual.

If you are unsure about a diagnosis, preparing for surgery, or want to discuss your test results – Dr Yakovenko will help you evaluate your options and move forward with confidence.

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Daniel Cichi

Family medicine 24 years exp.

Dr Daniel Cichi is a family medicine doctor with over 20 years of clinical experience. He provides online consultations for adults, supporting patients with acute symptoms, chronic conditions, and everyday health concerns that require timely medical guidance. His background includes work in emergency care, ambulance services, and family medicine, which allows him to assess symptoms quickly, identify warning signs, and help patients choose the safest next steps – whether that means home care, treatment adjustment, or in-person evaluation. Patients commonly consult Dr Daniel Cichi for: 

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Dr Cichi’s consultations are structured and practical. He focuses on clear explanations, risk assessment, and actionable recommendations, helping patients understand their symptoms and make informed decisions about their health.

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Svetlana Kolomeeva

Cardiology 18 years exp.

Dr. Svetlana Kolomeeva is a general practitioner and internal medicine doctor providing online consultations for adults. She helps patients manage acute symptoms, chronic conditions, and preventive care. Her clinical focus includes cardiovascular health, hypertension control, and managing symptoms like fatigue, weakness, sleep issues, and overall low energy.

Patients commonly seek her help for:

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  • Interpretation of lab tests and medical reports, therapy adjustment.
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Dr Kolomeeva combines clinical expertise with personalised care. She clearly explains diagnoses, guides patients through symptoms and treatment options, and provides actionable plans. Her consultations are designed not only to address current complaints but also to stabilise chronic conditions and prevent future complications. She supports patients through every stage of care – from first symptoms to ongoing health management.

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Frequently Asked Questions

Is a prescription required for REZZAYO 200 mg POWDER FOR CONCENTRATE FOR SOLUTION FOR INFUSION?
REZZAYO 200 mg POWDER FOR CONCENTRATE FOR SOLUTION FOR INFUSION 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 REZZAYO 200 mg POWDER FOR CONCENTRATE FOR SOLUTION FOR INFUSION?
The active ingredient in REZZAYO 200 mg POWDER FOR CONCENTRATE FOR SOLUTION FOR INFUSION is rezafungin acetate. This information helps identify medicines with the same composition but different brand names.
Who manufactures REZZAYO 200 mg POWDER FOR CONCENTRATE FOR SOLUTION FOR INFUSION?
REZZAYO 200 mg POWDER FOR CONCENTRATE FOR SOLUTION FOR INFUSION is manufactured by Mundipharma Gmbh. Pharmacy brands and packaging may differ depending on the distributor.
Which doctors can assess the use of REZZAYO 200 mg POWDER FOR CONCENTRATE FOR SOLUTION FOR INFUSION 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 REZZAYO 200 mg POWDER FOR CONCENTRATE FOR SOLUTION FOR INFUSION 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 REZZAYO 200 mg POWDER FOR CONCENTRATE FOR SOLUTION FOR INFUSION?
Other medicines with the same active substance (rezafungin acetate) include ANIDULAFUNGINA ACCORD 100 mg POWDER FOR CONCENTRATE FOR INFUSION SOLUTION, ANIDULAFUNGINA NORMON 100 mg POWDER FOR CONCENTRATE FOR INFUSION SOLUTION, ANIDULAFUNGINA REIG JOFRE 100 mg POWDER FOR CONCENTRATE FOR SOLUTION FOR INFUSION. 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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