Rydapt

Rydapt

midostaurin

Manufacturer:

Novartis

Distributor:

DKSH
/
Four Star
Concise Prescribing Info
Contents
Midostaurin
Indications/Uses
In combination w/ standard daunorubicin & cytarabine induction & high-dose cytarabine consolidation chemotherapy, & for patients in complete response followed by Rydapt single agent maintenance therapy, for adult patients w/ newly diagnosed acute myeloid leukaemia (AML) who are FLT3 mutation +ve. As monotherapy for treatment of adult patients w/ aggressive systemic mastocytosis (ASM), systemic mastocytosis w/ associated haematological neoplasm (SM-AHN), or mast cell leukaemia (MCL).
Dosage/Direction for Use
AML 50 mg bd (approx 12-hr intervals) dosed on days 8-21 of induction & consolidation chemotherapy cycles. For patients in complete response, dosing is every day as single agent maintenance therapy until relapse for up to 12 cycles of 28 days each. ASM, SM-AHN & MCL 100 mg bd. Treatment should be continued as long as clinical benefit is observed or until unacceptable toxicity occurs.
Administration
Should be taken with food.
Contraindications
Hypersensitivity. Concomitant use w/ potent CYP3A4 inducers [eg, rifampicin, St. John's Wort (Hypericum perforatum), carbamazepine, enzalutamide, phenytoin].
Special Precautions
Risk of neutropenia & infections; interstitial lung disease (ILD) & pneumonitis; cardiac dysfunction eg, CHF & transient decreases in left ventricular ejection fraction; increased frequency of QTc prolongation. Regularly monitor WBC especially at treatment initiation. Monitor patients for signs & symptoms of infection. Concomitant use w/ strong CYP3A4 inhibitors eg, antifungals (eg, ketoconazole), certain antivirals (eg, ritonavir), macrolide antibiotics (eg, clarithromycin) & nefazodone. Contains macrogolglycerol hydroxystearate & approx 14 vol % ethanol anhydrous. Minor influence on the ability to drive & use machines. Severe hepatic & severe renal impairment. Females of reproductive potential should use effective contraception during treatment & for at least 4 mth after stopping treatment. Pregnancy & lactation. Childn <18 yr. Not recommended for use in patients w/ acute promyelocytic leukaemia.
Adverse Reactions
Headache; epistaxis; dyspnoea; nausea, vomiting; pyrexia; decreased ANC, increased ALT & AST, hyperglycaemia. AML: Device-related infection; febrile neutropenia, petechiae, lymphopenia; hypersensitivity; insomnia; hypotension; laryngeal pain; stomatitis, upper abdominal pain, haemorrhoids; exfoliative dermatitis, hyperhidrosis; back pain, arthralgia; decreased Hb, hypokalaemia, hypernatraemia, prolonged activated partial thromboplastin time. ASM, SM-AHN & MCL: UTI, upper resp tract infection; dizziness; cough, pleural effusion; diarrhoea, constipation; peripheral oedema, fatigue; decreased absolute lymphocyte, increased total bilirubin, increased amylase.
Drug Interactions
Decreased exposure w/ strong CYP3A4 inducers (eg, carbamazepine, rifampicin, enzalutamide, phenytoin, St. John's Wort [Hypericum perforatum]). Increased exposure w/ strong CYP3A4 inhibitors (eg, ketoconazole, itraconazole). Medicinal products w/ narrow therapeutic range that are substrates of CYP1A2 (eg, tizanidine), CYP2D6 (eg, codeine), CYP2C8 (eg, paclitaxel), CYP2C9 (eg, warfarin), CYP2C19 (eg, omeprazole), CYP2E1 (eg, chlorzoxazone), CYP3A4/5 (eg, tacrolimus), CYP2B6 (eg, efavirenz), P-gp (eg, paclitaxel), BCRP (eg, atorvastatin) or OATP1B1 (eg, digoxin) may need dose adjustment to maintain optimal exposure when given concomitantly w/ midostaurin. Increased absroption (AUC) & reduced peak conc (Cmax) w/ standard & high-fat meal.
MIMS Class
Targeted Cancer Therapy
ATC Classification
L01EX10 - midostaurin ; Belongs to the class of other protein kinase inhibitors. Used in the treatment of cancer.
Presentation/Packing
Form
Rydapt cap 25 mg
Packing/Price
56's
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