obinutuzumab
Gazyvaro · ATC code L01FA03
- Key facts
- Active substance
- obinutuzumab
- ATC code
- L01FA03
- Authorisation
- centrally authorised across the EU (EMA)
- Dosage forms
- Gazyvaro 1 000 mg concentrate for solution for infusion
- Marketing authorisation holder
- Roche Registration GmbH
- Information as of
- 2026-10-27
Key facts
Obinutuzumab (Gazyvaro) is an anti-CD20 monoclonal antibody. It is used in chronic lymphocytic leukaemia, follicular lymphoma and lupus nephritis, each in combination with other medicines.
What it is used for
- Previously untreated CLL in adults unsuitable for full-dose fludarabine-based therapy (with chlorambucil)
- Previously untreated advanced follicular lymphoma (with chemotherapy, then maintenance in responders)
- Follicular lymphoma not responding to or progressing after rituximab-containing treatment (with bendamustine, then maintenance)
- Active Class III or IV lupus nephritis in adults (with mycophenolate mofetil)
Dosing
- Intravenous infusion under close supervision of an experienced physician with resuscitation facilities available
- CLL: cycle 1 1,000 mg over Day 1 and Day 2 (100 mg Day 1, 900 mg Day 2), plus 1,000 mg on Day 8 and Day 15; cycles 2–6 1,000 mg on Day 1; six 28-day cycles
- Follicular lymphoma: induction with chemotherapy, then in responders 1,000 mg maintenance every 2 months for 2 years or until progression
- Lupus nephritis: 1,000 mg initially, at Week 2, Week 24 and Week 26, then every 6 months
- Premedication against infusion reactions (corticosteroid, analgesic/anti-pyretic, antihistamine) and TLS prophylaxis in at-risk patients; details in the full text
- No dose adjustment in mild to moderate renal impairment; not established in severe renal or in hepatic impairment
Contraindications
- Hypersensitivity to the active substance or any excipient
Important warnings
- Infusion-related reactions, mainly with the first infusion; withholding antihypertensives around the infusion should be considered
- Tumour lysis syndrome in patients with high tumour burden, high lymphocyte count or renal impairment
- Severe and life-threatening neutropenia, and thrombocytopenia
- Serious, including fatal, infections; not to be given in active infection
- Hepatitis B reactivation; HBV screening before treatment
- Progressive multifocal leukoencephalopathy (PML) has been reported
Side effects
- Most frequent: infusion-related reactions, predominantly during the first infusion
- Neutropenia, thrombocytopenia and infections
- Serious: tumour lysis syndrome, hepatitis B reactivation, PML
Interactions
- No pharmacokinetic interactions expected via CYP450, UGT or P-glycoprotein
- Combination with chlorambucil, bendamustine, CHOP or CVP may increase the risk of neutropenia
- Live virus vaccines not recommended during treatment and until B-cell recovery
Pregnancy and breastfeeding
- Women of childbearing potential must use effective contraception during and for 18 months after treatment; not to be given in pregnancy unless the benefit outweighs the risk
- Breast-feeding should be discontinued during therapy and for 18 months after the last dose
Summary of the official product information, written with AI (Claude, Anthropic) on 2026-10-28. Every number was checked automatically against the original text. Not reviewed by a physician – the full official text is authoritative.
Common questions – ask Medelix
For patients
Package leaflet, verbatim
Authorisation and brand names by country
Medicines with exactly this active-substance composition, as listed in the national registers – alphabetical and without ranking. Whether a product is currently available is not shown here.
EU – centrally authorised (all member states)
- GazyvaroRoche Registration GmbH · EMEA/H/C/002799
Source: European Medicines Agency (EMA), product information
Turkey
- GazyvaROCHE MÜSTAHZARLARI SAN.A.Ş. · 1 register entry
Source: TİTCK – Ruhsatlı Beşeri Tıbbi Ürünler Listesi, as of 2026-10-16
Brand names in 3 more European countries
- Iceland
- Gazyvaro
- Liechtenstein
- Gazyvaro
- Norway
- Gazyvaro
EMA – Article 57 product data (EU/EEA), 2026-10-28
Medelix receives no money from pharmaceutical companies. Brand names are listed alphabetically and without ranking.
Another question about this substance?
Medelix answers clinical questions from guidelines, studies and product information – every claim with its source.
Sources
- European Medicines Agency. Gazyvaro – EPAR, Product Information (OF THE TEXT Detailed information on this medicinal product i). 2026-10-27. https://www.ema.europa.eu/en/documents/product-information/gazyvaro-epar-product-information_en.pdf
- TİTCK – Ruhsatlı Beşeri Tıbbi Ürünler Listesi, 2026-10-16. https://www.titck.gov.tr/dinamikmodul/85
Editorial: Medelix editorial team · last updated 2026-10-27 · How these pages are made · Report an error
Source: European Medicines Agency (EMA), product information. Not advertising, not a treatment recommendation. For questions about your own treatment, ask your doctor or pharmacist.