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Clinical Policy: Idelalisib (Zydelig)

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Clinical Policy: Idelalisib (Zydelig) Clinical Policy: Idelalisib (Zydelig) Reference Number: CP.CPA.278 Effective Date: 11.16.16 Last Review Date: 11.17 Line of Business: Medicaid – Medi-Cal Revision Log See Important Reminder at the end of this policy for important regulatory and legal information. Description Idelalisib (Zydelig®) is a selective inhibitor of phosphatidylinositol 3-kinase, which is expressed in both normal and malignant B cells. FDA Approved Indication Zydelig is indicated for: • Relapsed chronic lymphocytic leukemia (CLL), in combination with rituximab, in patients for whom rituximab alone would be considered appropriate therapy due to other co-morbidities • Relapsed follicular B-cell non-Hodgkin lymphoma (FL) in patients who have received at least two prior systemic therapies • Relapsed small lymphocytic lymphoma (SLL) in patients who have received at least two prior systemic therapies Limitation of use: Zydelig is not indicated and is not recommended for first-line treatment of any patient. Policy/Criteria Provider must submit documentation (which may include office chart notes and lab results) supporting that member has met all approval criteria It is the policy of health plans affiliated with Centene Corporation® that Zydelig is medically necessary when the following criteria are met: I. Initial Approval Criteria A. Chronic Lymphocytic Leukemia (CLL) (must meet all): 1. Diagnosis of CLL; 2. Failure of 2 separate prior chemotherapy regimens unless contraindicated or clinically significant adverse effects are experienced; 3. Must be used in combination with Rituxan® 4. Dose does not exceed 300 mg/day. Approval duration: Length of Benefit B. Follicular B-Cell Non-Hodgkin Lymphoma (FL), Small Lymphocytic Lymphoma (SLL) (must meet all): 1. Diagnosis of FL, SLL; Page 1 of 7 CLINICAL POLICY Idelalisib 2. Failure of 2 separate prior chemotherapy regimens unless contraindicated or clinically significant adverse effects are experienced; 3. Dose does not exceed 300 mg/day. Approval duration: Length of Benefit C. MALT Lymphoma (Gastric and Nongastric), Splenic Marginal Zone Lymphoma (off-label) (must meet all): 1. Diagnosis of MALT lymphoma or splenic marginal zone lymphoma; 2. Prescribed for second-line or subsequent therapy for refractory or progressive disease; 3. Dose does not exceed 300 mg/day. Approval duration: Length of Benefit D. Primary Cutaneous Marginal Zone B-Cell Lymphoma (off-label) (must meet all): 1. Diagnosis of primary cutaneous marginal zone B-cell lymphoma; 2. Prescribed for one of the following (a or b): a. Very extensive or refractory generalized T3 cutaneous disease in patients with primary cutaneous marginal zone or follicle center lymphoma; b. Second-line or subsequent therapy for refractory or progressive generalized extracutaneous disease; 3. Request meets one of the following (a or b): a. Dose does not exceed 300 mg/day; b. Dose is supported by practice guidelines or peer-reviewed literature for the relevant off-label use (prescriber must submit supporting evidence). Approval duration: Length of Benefit II. Continued Therapy A. All Indications in Section I (must meet all): 1. Currently receiving medication via a health plan affiliated with Centene Corporation or member has previously met initial approval criteria; 2. Member is responding positively to therapy (no disease progression, no significant toxicity); 3. If request is for a dose increase, new dose does not exceed 300 mg/day. Approval duration: Length of Benefit B. Other diagnoses/indications(must meet 1 or 2): 1. Currently receiving medication via Centene benefit and documentation supports positive response to therapy. Approval duration: Duration of request or 12 months (whichever is less); or 2. Refer to CP.PHAR.57 if diagnosis is NOT specifically listed under section III (Diagnoses/Indications for which coverage is NOT authorized). III. Diagnoses/Indications for which coverage is NOT authorized: A. Non-FDA approved indications, which are not addressed in this policy, unless there is sufficient documentation of efficacy and safety according to the off-label use policy – CP.PHAR.57 or evidence of coverage documents Page 2 of 7 CLINICAL POLICY Idelalisib IV. Appendices/General Information Appendix A: Abbreviation/Acronym Key NCCN: National Comprehensive Cancer Network REMS: Risk Evaluation and Mitigation Strategy Appendix B: General Information • According to NCCN guidelines, category 2A recommendations for the treatment of CLL/SLL are as follows: a) first-line therapy: Rituxan + Leukeran, Arzerra + Leukeran, Treanda® ± Rituxan, Gazyva™ + Leukeran (category 1), b) relapsed/refractory therapy: Imbruvica (category 1), Rituxan + Leukeran, reduced dose fludarabine /cyclophosphamide /Rituxan (FCR), reduced dose pentostatin/cyclophosphamide/Rituxan (PCR), Treanda + Rituxan, Arzerra, Gazyva, • According to NCCN guidelines, category 1 recommendations for the treatment of FL are as follows: a) first-line therapy: Treanda+Rituxan, Rituxan/Cytoxan/doxorubicin/ vincristine/prednisone (R-CHOP), Rituxan/ cyclophosphamide /vincristine/prednisone (R-CVP), b) second-line therapy: Radioimmunotherapy (category 1), Treanda+Rituxan, Rituxan/ cyclophosphamide /doxorubicin/ vincristine/prednisone (R-CHOP), Rituxan/cyclophosphamide /vincristine/prednisone (R-CVP) • Recurrence of severe or life-threatening Zydelig-related toxicity upon re-challenge should result in permanent discontinuation of Zydelig. • Zydelig was approved with a REMS program (which includes a healthcare provider letter and a medication fact sheet) to ensure healthcare providers are aware of the serious risks of hepatotoxicity, severe diarrhea or colitis, pneumonitis, and intestinal perforation. • NCCN Drugs and Biologics 2A recommendations include the following lymphomas: MALT (gastric and nongastric), Splenic marginal zone, and Primary Cutaneous marginal zone B-Cell. • Zydelig is currently being studied for the treatment of mantle cell lymphoma and Hodgkin lymphoma. • Six studies investigating the use of Zydelig as first-line therapy for chronic lymphocytic leukemia and indolent non-Hodgkin’s lymphoma were discontinued after reports of serious side effects, including multiple deaths, among participants in several of the studies. Appendix C: Therapeutic Alternatives Drug Dosing Regimen Dose Limit/ Maximum Dose Imbruvica® (ibrutinib) CLL 420 mg/day Three 140 mg capsules (420 mg) taken PO QD Leukeran® CLL, SLL, FL 0.2 mg/kg daily (chlorambucil) Page 3 of 7 CLINICAL POLICY Idelalisib Drug Dosing Regimen Dose Limit/ Maximum Dose 0.1 to 0.2 mg/kg PO daily (4 to 10 mg per day) Rituxan® (rituximab) CLL 500 mg/m2 375 mg/m2 IV infusion the day prior to the initiation of fludarabine/cyclophosphamide chemotherapy, then 500 mg/m2 on Day 1 of cycles 2-6 (every 28 days) FL 375 mg/m2 IV infusion once weekly for 4 doses (relapsed) or up to 8 doses (untreated) Gazyva™ CLL, SLL Varies (obinutuzumab) and Leukeran (chlorambucil) Varies Arzerra (ofatumumab) CLL, SLL Varies and Leukeran (chlorambucil) Varies FCR CLL, SLL Varies fludarabine (Fludara®), cyclophosphamide (Cytoxan®) and Varies Rituxan (rituximab) FR CLL, SLL Varies fludarabine (Fludara) and Rituxan (rituximab) Varies BR CLL, SLL, FL Varies Treanda (bendamustine) and Rituxan (rituximab) Varies PCR CLL, SLL Varies Page 4 of 7 CLINICAL POLICY Idelalisib Drug Dosing Regimen Dose Limit/ Maximum Dose Nipent®(pentostatin), cyclophosphamide (Cytoxan) and Rituxan Varies (rituximab) R-CHOP FL Varies Rituxan (rituximab), cyclophosphamide (Cytoxan), Varies doxorubicin , vincristine (Vincasar PFS), and prednisone R-CVP FL Varies Rituxan (rituximab), cyclophosphamide (Cytoxan), vincristine Varies (Vincasar PFS), and prednisone Therapeutic alternatives are listed as Brand name® (generic) when the drug is available by brand name only and generic (Brand name®) when the drug is available by both brand and generic. V. Dosage and Administration Indication Dosing Regimen Maximum Dose CLL, SLL, FL, 150 mg PO BID 300 mg/day MALT Lymphomas, If resuming Zydelig after interruption for other Splenic Marginal severe or life-threatening toxicities, reduce the dose Zone Lymphoma to 100 mg PO BID. Examples of severe or life-threatening toxicities requiring dose modifications are ALT/AST >5-20 times upper limit of normal (ULN), bilirubin >3-10 times ULN, severe diarrhea (increase of ≥7 stools per day over baseline) or hospitalization, absolute neutrophil count (ANC) <0.5 Gi/L (500/mm3), and platelets <25 Gi/L (25,000/mm3). VI. Product Availability Tablet: 100 mg, 150 mg VII. References 1. Zydelig [Prescribing Information] Foster City, CA: Gilead Sciences, Inc: September 2016. Page 5 of 7 CLINICAL POLICY Idelalisib 2. National Comprehensive Cancer Network. Non-Hodgkin's Lymphomas Version 2.2017. Available at http://www.nccn.org/professionals/physician_gls/pdf/nhl.pdf. Accessed June 2017. 3. National Comprehensive Cancer Network Drugs and Biologics Compendium. Available at http://www.nccn.org/professionals/drug_compendium. Accessed June 30, 2017. 4. Zydelig. American Hospital Formulary Service Drug Information. Available at: http://www.medicinescomplete.com/mc/ahfs/current/. Accessed June 30, 2017. 5. Micromedex Healthcare Series [Internet database]. Greenwood Village, Colo: Thomson Healthcare. Updated periodically. Accessed June 30, 2017. 6. Clinical Pharmacology Web site. Available at: http://cpip.gsm.com/. Accessed June 30, 2017. Reviews, Revisions, and Approvals Date P&T Approval Date Converted to new template. Minor changes to verbiage 06.26.17 11.17 and grammar. References updated. Important Reminder
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