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Manufacturer: Clovis Oncology, Inc FDA Approval Date: December 2016
Rubraca™ - Rucaparib Manufacturer: Clovis Oncology, Inc FDA Approval Date: December 2016
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Rubraca™ - Rucaparib Objectives
At the end of this presentation participants will be able to: Appropriately recommend Rubraca™ (rucaparib) Effectively educate patients on the purpose, proper use and potential adverse effects of Rubraca™ (rucaparib)
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Rubraca™ - Rucaparib Clinical Application
Indications: For the treatment of patients with deleterious BRCA mutation associated advanced ovarian cancer who have been treated with two or more chemotherapies. Place in therapy: Third Line Option *Approved under accelerated approval based on objective response rate and duration of response. Rubraca [package insert]. 12/2016
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Rubraca™ - Rucaparib Clinical Application
Contraindications: None Warnings and Precautions: Myelodysplastic Syndrome/Acute Myeloid Leukemia Embryo-Fetal Toxicity MDS/AML reported in 2/377 patients (0.5%). One case of fatal AML. Discontinue if MDS/AML confirmed. Monitor CBC at baseline and then monthly. Do NOT start Rubraca until patient recovered from previous chemotherapy. Rubraca [package insert]. 12/2016
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Rubraca™ - Rucaparib Clinical Application
Pregnancy: Category X Could cause fetal harm Based on animal data, no human studies Advise use of effective contraception during treatment and for 6 months following the last dose Lactation: Advise women not to breast feed while taking Rubraca and for 2 weeks after the final dose Women - Advise women to use effective contraception during treatment and for 6 months after the final dose. Pregnancy testing is recommended prior to initiating treatment Children - Use in pediatrics has not been established Elderly - 42% of clinical trial participants ≥65 years of age, no difference in safety Rubraca [package insert]. 12/2016
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Rubraca™ - Rucaparib Drug Facts
Pharmacology: PARP Enzyme Inhibitor Increases formation of PARP-DNA complexes resulting in DNA damage and cytotoxic effects Increased efficacy observed in cells lines with BRCA1/2 deficiencies and other mutations to DNA repair genes PARP = Poly (ADP-Ribose) Polymerase Involved in DNA repair Rubraca [package insert].
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Rubraca™ - Rucaparib Drug Facts
Pharmacokinetics: A Bioavailability 36%, High fat meals increase Cmax, AUC, Tmax D Protein-binding 70% M CYP2D6 (primary), CYP1A2, CYP3A4 E T1/ h Rubraca [package insert]. 12/2016
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Rubraca™ - Rucaparib Drug Interactions
Object Drug: none Precipitant Drug: none Based on drug interaction studies Rubraca [package insert]. 12/2016
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Rubraca™ - Rucaparib Adverse Effects
Adverse Reaction Grades 1-4 (3-4) Nausea 77% (5%) Decreased Appetite 39% (3%) Asthenia/Fatigue 77% (11%) Diarrhea 34% (2%) Vomiting 46% (4%) Abdominal Pain 32% (3%) Anemia 44% (25%) Thrombocytopenia 21% (5%) Constipation 40% (2%) Dyspnea 21% (0.5%) Dysgeusia 39% (0.3%) ADRs led to dose reduction/interruption in 62% of patients - anemia (27%) and fatigue (22%) ADRs led to discontinuation in 10% of patients - fatigue (2%) Other ADRs include: Dizziness (17%), Neutropenia (15%), Rash (13%), Pyrexia (11%), Photosensitivity (10%), Pruritus (9%), and Febrile Neutropenia (1%) Rubraca [package insert]. 12/2016
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Rubraca™ - Rucaparib Adverse Effects
Blood Chemistry Grades 1-4 (3-4) Hematology SCr increase 92% (1%) Hgb decrease 67% (23%) ALT increase 74% (13%) WBC decrease 45% (7%) AST increase 73% (5%) PLT decrease 39% (6%) LDL increase 40% (2%) ANC decrease 35% (10%) ADRs led to dose reduction/interruption in 62% of patients - anemia (27%) and fatigue (22%) ADRs led to discontinuation in 10% of patients - fatigue (2%) Rubraca [package insert]. 12/2016
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Rubraca™ - Rucaparib Monitoring Parameters
Complete Blood Count (at baseline and then monthly) Signs of MS/AML Pregnancy test before initiation Rubraca [package insert]. 12/2016
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Rubraca™ - Rucaparib Prescription Information
Dosing: Initial Dose: 600 mg PO BID 1st Dose Reduction: 500 mg PO BID 2nd Dose Reduction: 400 mg PO BID 3rd Dose Reduction: 300 mg PO BID Available as 300mg or 200 mg tablets: 1 Bottle (#60) = $8,244 1-Month Supply = #120 = $16,488 AWP, per UTD accessed 4/2017 Rubraca [package insert].
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Rubraca™ - Rucaparib Literature Review
Purpose: To identify molecular predictors of rucaparib sensitivity in patients with platinum- sensitive recurrent high-grade ovarian carcinoma Design: International, Multicenter, Phase 2, Open- Label Study Funding: Clovis Oncology, US Department of Defense Ovarian Cancer Research Program, Stand Up To Cancer— Ovarian Cancer Research Fund Alliance—National Ovarian Cancer Coalition Dream Team Translational Research Grant, and V Foundation Translational Award. Swisher EM, et al. Lancet Oncol
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Rubraca™ - Rucaparib Literature Review
Single Treatment Arm: PO Rucaparib 600 mg BID Continuous 28-day cycles Until disease progression or discontinuation Dose reductions of 120 mg allowed for Grade 3 or worse adverse events Supportive Care allowed Antiemetics Analgesics CT scans at baseline, every 8 weeks Serum CA-125 at baseline, day1 of each cycle, end of treatment CBC, Chem, Saftey at baseline, day 1, 15 of cycle 1, then day 1 of each new cycle PK – day 15 of cycle 1, then day 1 of cycle 2,3,4; as close to 12h post dose Swisher EM, et al. Lancet Oncol
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Rubraca™ - Rucaparib Literature Review
Inclusion Criteria: Exclusion Criteria High-grade carcinoma of ovary, fallopian tube ≥ 1 platinum therapy Adults ≥ 18 years old No prior PARP Progression after 6 months following platium treatment ECOG 0-1 Active second malignancy CNS metastasis Anticancer therapy with 14 days of trial Subgroups --BRCA mutant --LOH High --LOH Low Swisher EM, et al. Lancet Oncol
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Rubraca™ - Rucaparib Literature Review
Patient Characteristics: BRCA-mutant LOH High Low Unknown Number 40 82 70 12 Age 58.5 yrs 65.0 yrs 69.5 yrs ECOG 0 65% 63% 67% 75% Ovarian Cancer 95% 83% 70% Serous Histology 98% 94% 100% Platinum-based Treatments 1 Regimen 2 Regimens 43% 58% 55% 45% 30% 17% PFI after Prior Treatments 6-12 months ≥12 months 44% 56% 42% LOH = Loss of Heterozygosity ECOG = Eastern Cooperative Oncology Group PFI = Progression Free Interval Swisher EM, et al. Lancet Oncol
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Rubraca™ - Rucaparib Literature Review
Results BRCA-mutant LOH High Low Unknown Number 40 82 70 12 Median PFS 12.8 mo 5.7 mo 5.2 mo n/a Hazard Ratio 0.27 p<0.001 0.62 p=0.011 Reference OR – RECIST 80% 29% p=0.0033 10% 33% OR – RECIST + CA-125 85% 44% p=0.0018 20% 58% Median Duration of Response 9.2 mo p=0.013 10.8 mo p=0.022 5.6 mo Primary – PFS (progression free survival Secondary – OR (Objective response (complete or partial)) duration of response, safety, PK LOH = Loss of Heterozygosity ECOG = Eastern Cooperative Oncology Group Swisher EM, et al. Lancet Oncol
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Rubraca™ - Rucaparib Literature Review
Treatment-Emergent Adverse Events Grade 1-2 Grade 3 Grade< 4 Grade 5 Nausea 75% 4% Asthenia/Fatigue 69% 9% Constipation 45% 1% Vomiting 42% 2% Dysgeusia 43% ALT/AST Increased 30% 12% <1% Decreased Appetite 39% Anemia 14% 21% Diarrhea 3% Abdominal Pain 27% 39% of patients had dose reductions Only 9% of patients withdrew due to adverse events Anemia Most common Grade 3 TEAE Treated with transfusions and dose reductions Similar to other PARP studies LFT Increases Asymptomatic, Reversible; normalized over time Did NOT lead to dose reductions Creatinine Increases Occurred in first few weeks Potentially due to inhibition of MATE1 and MAE2-K transporters which secreate Cr Swisher EM, et al. Lancet Oncol
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Rubraca™ - Rucaparib Literature Review
Treatment-Emergent Adverse Events Grade 1-2 Grade 3 Grade< 4 Grade 5 Dyspnea 23% <1% Abdominal Distension 21% Dizziness 18% UTI 16% 2% Creatinine Increased 17% Headache Cough Back Pain 15% 1% Platelet Decreased 12% Photosensitivity 13% Primary – PFS (progression free survival Secondary – OR (Objective response (complete or partial)) duration of response, safety, PK LOH = Loss of Heterozygosity ECOG = Eastern Cooperative Oncology Group Swisher EM, et al. Lancet Oncol
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Rubraca™ - Rucaparib Literature Review
Treatment-Emergent Adverse Events Selected Serious TEAEs Grade 1-2 Grade 3 Grade< 4 Grade 5 Neutrophils Decreased 5% 4% 3% Malignant Neoplasm Prog. <1% 1% Sepsis Lymphocyte Decreased Febrile Neutropenia MDS/AML Primary – PFS (progression free survival Secondary – OR (Objective response (complete or partial)) duration of response, safety, PK LOH = Loss of Heterozygosity ECOG = Eastern Cooperative Oncology Group Other TEAEs: Insomnia, pyrexia, abdominal pain (upper), peripheral edema, alopecia, stomatitis, URTI, AP increased, dyspepsia, pain, weight loss, dehydration, myalgia, ascites, cholesterol increased, HypoK, WBC decreased, small bowel obstruction, hydronephrosis, bilirubin increased, mucosal inflammations, hypotension, AKI, bronchitis, GGT increased, hypercholesterolemia, hyperglycemia, hyperPhos, rectal hemorrhage, fall, hypoNa, transaminases increased, malaise, leucopenia, presyncopy, PE, syncope, food poisoning, hyperBili, lymphoedema, tachycardia, pneumonia, agitation, bile duct obstruction, cataract, dyspareunia, emphsema, granulocytopenia, hyperMg, intestinal obstruction, LFT abnomality, lymphangitis, AMS, peritonitis, granulocyte decreased, intestinal perforation, large bowel obstruction, congenital long QT syndrome, Swisher EM, et al. Lancet Oncol
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Rubraca™ - Rucaparib Literature Review
Conclusions: Rucaparib has activity against relapse, Pt-sensitive, high-grade ovarian cancer Benefits seen in BRCA mutation and High LOH groups Limitations – LOH needs to be further studied, unknown benefit for Pt-resistant cancers ARIEL2 Part 2 provides positive results for specific population, more studies needed for extending indication Swisher EM, et al. Lancet Oncol
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Rubraca™ - Rucaparib Summary
Rucaparib is a new PARP inhibitor for the treatment of advanced ovarian carcinoma with BRCA mutations after 2 or more chemotherapies Initiate at 600 mg BID Reduce dose for toxicities Monitor CBC monthly Rucaparib has no contraindications, but warnings include myelodysplatic syndrome, acute myeloid leukemia, and potential embryo-fetal harm
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Rubraca™ - Rucaparib References
Rubraca (rupacarib) [package insert]. Boulder, CO: Clovis Oncology, Inc; 2016 Swisher E, Lin K, Oza A, Scott C, Giodano H, Sun J, et al. Rucaparib in relapsed, platinum-sensitive high-grade ovarian carcinoma (ARIEL2 Part 1): an international, multicenter, open-label, phase 2 trial. Lancet Oncol 2017;18:75-87
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