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SPRYCEL (Dasatinib)
Brand name: Sprycel®
Generic name:
Dasatinib
Therapeutic
Class: protein-tyrosine
kinase inhibitors
Manufacturer / Distributor:
Bristol-Myers
Squibb
Availability:
Sprycel is available by
prescription only
FDA Approval:
The
U.S. Food and Drug Administration (FDA) approved Sprycel in 2006 for the treatment of certain types of
cancers (see indications)
Indications: Sprycel
is used to treat the following cancerous
conditions:
- metastatic
melanoma
- chronic
myeloid leukemia
(CML),
in case of resistance or intolerance to prior therapy;
- Philadelphia
chromosome-positive acute lymphoblastic leukemia (Ph + ALL) in adults, in case of resistance or intolerance
to prior therapy.
Sprycel
is sometimes used to treat other medical conditions not mentioned in this article; talk to your physician or
pharmacist for more information.
Dosage form:
Sprycel is available in
tablet form to be taken by mouth
Dosage: to choose the most effective dosage to
combat the disease, your physician will rely on several factors: age, health status, body surface area (BSA), type and severity of the cancer. Usually, lower
doses are given to patients that are taking other drugs. Misusing Sprycel can cause serious health problems; it
should be prescribed by an oncologist or physician trained or experienced in the use of chemotherapy drugs.
Do not change or stop taking the medication even if you experience
side effects; chemotherapy drugs – including Sprycel - cause side effects in most patients.
Usually,
Sprycel is taken 2 times daily, 1 tablet in the morning and 1 tablet in the evening, with or without food. It is
better to take the medicine around the same times every day. SPRYCEL should be swallow whole, do not chew or
crush the tablet. In addition, avoid drinking grapefruit juice or eating foods rich in fat during the
therapy.
Taking
Sprycel exactly as directed by your doctor is very important. If for valid reasons (such as development of major
complications) you cannot continue the therapy, contact your physician immediately; do not discontinue the
treatment without first contacting your doctor.
Storage: keep Sprycel tightly closed in the
container it came, out of the reach of
children. Store
Sprycel at room temperature (15-25 ° C), away from heat above 40 ° C, light and moisture. Sprycel and all other
medications should not be used beyond the expiration date printed on the container.
Overdose: any chemotherapy drug overdose can be
fatal. The risk of complication is even higher when the drug is overdosed for a long term. In fact, overdosing
of certain chemotherapy drugs, including
Sprycel, can lead to
death. Even in the absence of overdose,
Sprycel can damage the
bone marrow. It is extremely important that you take the medication as
indicated by your health care provider or according to the directions on the label.
Missing dose:
do your best to take
the medication around the same time every day.
In case you forget to
take a dose, take the missed one as soon as you remember it. However, if it is almost time for your next
dose,
do not double the next dose to recover the missed one. Contact your doctor or wait to go back to your regular
schedule.
Contraindication :
Sprycel
is contraindicated in case of:
- allergy
to the drug or any of the constituents
- allergy
to lactose
- pregnancy
- Breast-feeding.
Mechanism of action (MOA): Sprycel is a protein-tyrosine kinase
inhibitor. That is, it works by blocking the protein kinases, proteins that are located within the leukemic
cells, and are responsible for their uncontrolled proliferation.
Interactions: if you are taking sprycel, it is better to talk to your doctor before taking aspirin,
vitamins, nutritional supplements, or St. John's wort. Certain substances can
interact with sprycel, et cause health problems. Common drugs that tend to produce interaction with sprycel
include:
- alfentanil
(Alfenta) warfarin
(Coumadin) daunorubicin (Cerubidine)
- doxorubicin
(Doxil) epirubicin
(Ellence)
ketoconazole
(Nizoral)
- itraconazole
(Sporanox) clarithromycin
(Biaxin) dexamethasone (Decadron)
- erythromycin (Erythrocin) f
entanyl (Duragesic,
Actiq) atazanavir (Reyataz)
- indinavir
(Crixivan) nelfinavir (Viracept)
ritonavir (Norvir)
- saquinavir
(Invirase) amiodarone
(Cordarone) disopyramide (Norpace)
- dofetilide
(Tikosyn) flecainide
(Tambocor) mexiletine (Mexitil)
- moricizine
(Ethmozine) propafenone
(Rythmol) quinidine (Quinidex)
- sotalol
(Betapace) tocainide
(Tonocard) cimetidine (Tagamet®)
- famotidine
(Pepcid) nizatidine
(Axid)
ranitidine (Zantac)
- esomeprazole
(Nexium) lansoprazole
(Prevacid) omeprazole (Prilosec)
- pantoprazole
(Protonix) rabeprazole
(AcipHex) carbamazepine (Tegretol)
- phenobarbital (Luminal) phenytoin
(Dilantin) moxifloxacin (Avelox)
- nefazodone; pimozide
(Orap) rifampicin
(Rimactane) simvastatin (Zocor)
- telithromycin (Ketek) procainamide (Procanbid,
Pronestyl).
Side effects:
In addition to attacking cancer cells, Sprycel
may interfere with certain normal cells, and lead to the development of side effects in some patients; most common
Sprycel
side effects include:
- headache
- muscle
pain
- tiredness
- loss of
appetite
- weight
loss
- weakness
- joint
pain or pain in your hands or the feet
- skin
rash
- peeling
skin
- mouth
sores or swelling and pain inside your mouth
- diarrhea
- constipation
- nausea
and vomiting
- Stomach
pain or swelling.
If
the side effects above persist for weeks, contact your oncologist. In addition, contact your doctor if you
experience any of these symptoms:
- dizziness
- fainting
- signs of
infections: fever, sore throat, chills, ...
- sudden
severe headache
- swelling
of the eyes, hands, arms, feet, ankles or lower legs
- sudden
weight gain
- shortness
of breath or difficulty breathing
- coughing
up bloody mucus
- persistent
chest pain or chest pressure
- rapid or
irregular heartbeat
- unusual
bruising or bleeding
- black
and tarry stools
- blood in
stools or urine
- bloody
vomit
- slow or
difficult speech
- Weakness
or numbness of an arm or leg.
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