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sutent

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Indications1 top
Sutent® is indicated for the treatment of gastrointestinal stromal tumor after disease progression on/intolerance to imatinib mesylate; the treatment of advanced renal cell carcinoma and the treatment of progressive, well- differentiated pancreatic neuroendocrine tumours (pNET) in patients with locally advanced or metastatic disease.
 

Clinical Evidence top
Advanced RCC
  • Significant and clinically meaningful improvements in major efficacy endpoints in metastatic/advanced renal cell carcinoma2

    • Progression-free survival: Sunitinib versus interferon (IFN)-α2

    • sut_fig1
    • 11.0 months versus 5.0 months (p<0.001); IFN, interferon


    • Objective response rate: Sunitinib versus IFN-α2

    • sut_fig2
    • ORR, objective response rate; IFN, interferon; p<0.001

  • Significantly better quality of life in patients with metastatic renal cell carcinoma2
  • Manageable safety and tolerability profile3
 
Advanced GIST
  • Significantly improved outcome measures, including tumor response and longer median duration to tumor progression in patients with advanced GIST after failure of imatinib4

    • Median duration to tumor progression4

    • sut_char03
    • HR, hazard ratio; CI, confidence interval


    • Improved overall survival compared with placebo4

    • sut_chart04
    • HR, hazard ratio; CI, confidence interval

NB: The benefits of sunitinib on disease control as measured by time to tumor progression were observed irrespective of age, weight, race, pain score, performance status, time since initial diagnosis, duration or dose of initial imatinib treatment, or study location. The treatment effect was significant in the entire study population and in the subgroups defined by baseline factors, irrespective of whether the modified intent-to-treat (ITT) or per-protocol populations were analyzed.
 
Pancreatic Neuroendocrine Tumour (pNET)
Sutent improves outcome by doubling the PFS
sut_chart05
Raymond E et al. 5
A total of 171 patients with pathologically confirmed, well- differentiated pancreatic neuroendocrine tumours that were advanced and/or metastatic were enrolled in this multinational, randomized, double- blind, placebo- controlled phase III trial. Patients were assigned in a 1:1 ration to receive best supportive care plus Sutent plus a dose of 37.5 mg per day or matching placebo.
 
  • Median PFS among patients who received Sutent was more than twice that among patients who received placebo (11.4 vs 5.5)5
 
Sutent significantly reduces the risk of death by almost 60% (HR= 0.41)5
sut_chart06
  
Safety Profile1 top
ADVERSE REACTIONS: GI disorders (eg, diarrhea, nausea, stomatitis, constipation, vomiting, dyspepsia, abdominal pain, dry mouth, reflux esophagitis, flatulence, oral pain, glossodynia); hypertension, peripheral edema; dry skin, hair or skin depigmentation, blister or rash on the palms of the hands and soles of the feet; altered taste, headache, dizziness; myalgia/limb pain; anorexia, asthenia; back pain, arthralgia, pain in extremity/limb discomfort; cough, dyspnea; anorexia, dehydration; bleeding; insomnia, depression
INTERACTIONS: Ketoconazole, itraconazole, clarithromycin, atazanavir, indinavir, nefazodone, nelfinavir, ritonavir, saquinavir, telithromycin, voriconazole; grapefruit; dexamethasone, phenytoin, carbamazepine, rifampin, rifabutin, rifapentin, phenobarbital, St. John's wort
  

Dosages1 top
Recommended dose of Sutent for GIST and RCC is 50 mg daily on a schedule of 4 consecutive weeks followed by 2 weeks off. The recommended dose of Sutent for pNET is 37.5 mg taken orally one daily continuously. Dose interruption and/or dose modification in 12.5-mg increments or decrements is recommended based on individual safety and tolerability. the maximum dose administrated in the Phase III pNET study was 50 mg daily.

Strengths1 top
12.5 mg, 50 mg.

Packing1 top
Capsules: 12.5 mg x 28's. 50 mg x 28's.

Important Safety Information1 top
CONTRAINDICATIONS: None1
SPECIAL PRECAUTIONS: Left ventricular dysfunction; hemorrhagic events; hypertension; QT interval prolongation and torsade de pointes; thyroid dysfunction; adrenal toxicity; pulmonary hemorrhage; perform complete blood count with platelet count and serum chemistries including phosphate at the beginning of each treatment cycle; children
HEPATOTOXICITY: Sutent has been associated with heaptotoxity, which may result in liver failure or death. Liver failure has been observed in clinical trials (7/2281[0.3%]) and post – marketing experience. Monitor liver function tests (ALT, AST bilirubin) before initiation of treatment, during each cycle of treatment, and as clinically indicated. Sutent should be interrupted for Grade 3 or 4 drug- related hepatic adverse events and discountinued if there is no resolution. Do not restart Sutent if patients subsequently experience severe changes in liver function tests or have other signs and symptoms of liver failure.
ADVERSE REACTIONS: The most common adverse reactions (≥20%) in patients with GIST, RCC or pNET are fatigue, asthenia, fever, diarrhea, nausea, mucositis/stomatitis, vomiting, dyspepsia, abdominal pain, constipation, hypertension, peripheral edema, rash, hand-foot syndrome, skin discoloration, dry skin, hair color changes, altered taste, headache, back pain, arthralgia, extremity pain, cough, dyspnea, anorexia, and bleeding. The potentially serious adverse reactions of hepatotoxicity, left ventricular dysfunction, QT interval prolongation, hemorrhage, hypertension, thyroid dysfunction, and adrenal function.
POST-MARKETING ADVERSE REACTIONS: Cases of serious infection (with or without neutropenia) have been reported; myopathy and/or rhabdomyolysis, some with acute renal failure; patients with signs or symptoms of muscle toxicity should be managed as per standard medical practice; thrombotic microangiopathy; following resolution, treatment may be resumed at the discretion of the treating physician; cases of proteinuria and rare cases of nephrotic syndrome; baseline urinalysis is recommended, and patients should be monitored for the development or worsening of proteinuria; discontinue in patients with nephrotic syndrome
PREGNANCY and LACTATION: If Sutent® is used during pregnancy, or if the patient becomes pregnant while receiving this treatment, apprise patient of the potential hazard to the fetus. Women of child-bearing potential should be advised to avoid becoming pregnant while receiving treatment with Sutent®. Due to its potential for serious adverse reactions in nursing infants, a decision should be made as to whether to discontinue nursing or discontinue the drug, duly considering the importance of the drug to the mother.
 

Please review the full product information or package insert before prescribing.

 

References top
  1. Sutent (sunitinib malate). Prescribing Information: Pfizer Corporation Hong Kong Ltd; version July 2011.
  2. Motzer RJ, Hutson TE, Tomczak P, et al. Sunitinib versus interferon alfa in metastatic renal-cell carcinoma. N Engl J Med. Jan 11 2007;356(2):115-124.
  3. Motzer RJ, Rini BI et al. Sunitinib in Patients With Metastic Renal Cell Carcinoma, JAMA, June 7 2006;295(21):2516-2524.
  4. Demetri GD, van Oosterom AT, Garrett CR, et al. Efficacy and safety of sunitinib in patients with advanced gastrointestinal stromal tumour after failure of imatinib: a randomised controlled trial. Lancet. Oct 14 2006;368(9544):1329-1338.
  5. Raymond E, Dahan L, Raoul JL, et al. Sunitinib malate for the treatment of pancreatic neuroendocrine tumour. N Engl J Med 2011;364:501-513.
 

Please review the full product information or package insert before prescribing.

 

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oncology
sutent

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