1 INDICATIONS AND USAGE Lynparza is a poly (ADP-ribose) polymerase (PARP) inhibitor indicated: Ovarian cancer • for the maintenance treatment of adult patients with deleterious or suspected deleterious germline or somatic BRCA -mutated advanced epithelial ovarian, fallopian tube or primary peritoneal cancer who are in complete or partial response to first-line platinum-based chemotherapy. Select patients for therapy based on an FDA-approved companion diagnostic for Lynparza. ( 1.1 , 2.1 ) • in combination with bevacizumab for the maintenance treatment of adult patients with advanced epithelial ovarian, fallopian tube or primary peritoneal cancer who are in complete or partial response to first-line platinum-based chemotherapy and whose cancer is associated with homologous recombination deficiency (HRD)-positive status defined by either: • a deleterious or suspected deleterious BRCA mutation, and/or • genomic instability. Select patients for therapy based on an FDA-approved companion diagnostic for Lynparza. ( 1.2 , 2.1 ) • for the maintenance treatment of adult patients with deleterious or suspected deleterious germline or somatic BRCA-mutated recurrent epithelial ovarian, fallopian tube or primary peritoneal cancer, who are in complete or partial response to platinum-based chemotherapy. Select patients for therapy based on an FDA-approved companion diagnostic for Lynparza. ( 1.3 , 2.1 ) Breast cancer • for the adjuvant treatment of adult patients with deleterious or suspected deleterious g BRCA m human epidermal growth factor receptor 2 (HER2)-negative high risk early breast cancer who have been treated with neoadjuvant or adjuvant chemotherapy. Select patients for therapy based on an FDA-approved companion diagnostic for Lynparza. ( 1.4 , 2.1 ) • for the treatment of adult patients with deleterious or suspected deleterious gBRCA m, HER2-negative metastatic breast cancer who have been treated with chemotherapy in the neoadjuvant, adjuvant or metastatic setting.…
2 DOSAGE AND ADMINISTRATION • Recommended dosage is 300 mg taken orally twice daily with or without food. See Full Prescribing Information for the recommended duration. (2.2) • Patients receiving Lynparza for mCRPC should also receive a gonadotropin-releasing hormone (GnRH) analog concurrently or should have had bilateral orchiectomy. (2.2) • For moderate renal impairment (CLcr 31-50 mL/min), reduce Lynparza dosage to 200 mg orally twice daily. (2.5) 2.1 Patient Selection Information on FDA-approved tests for the detection of genetic mutations is available at http://www.fda.gov/companiondiagnostics . Select patients for treatment with Lynparza based on the presence of deleterious or suspected deleterious HRR gene mutations, including BRCA mutations, or genomic instability based on the indication, biomarker, and sample type (Table 1). Table 1 Biomarker Testing for Patient Selection Where testing fails or tissue sample is unavailable/insufficient, or when germline testing is negative, consider using an alternative test, if available. Indication Biomarker Sample type Tumor Blood Plasma (ctDNA) First-line maintenance treatment of germline or somatic BRCAm advanced ovarian cancer BRCA1 m, BRCA2 m X X First-line maintenance treatment of HRD-positive advanced ovarian cancer in combination with bevacizumab BRCA1 m, BRC A2m and/or genomic instability X Maintenance treatment of germline or somatic BRCA m recurrent ovarian cancer BRCA1 m, BRCA2 m X X Adjuvant treatment of gBRCA m HER2-negative high risk early breast cancer gBRCA1 m , gBRCA2 m X g BRCA m HER2-negative metastatic breast cancer gBRCA1 m, gBRCA2 m X First-line maintenance treatment of germline BRCA -mutated metastatic pancreatic adenocarcinoma gBRCA1 m, gBRCA2 m X Germline or somatic HRR gene-mutated metastatic castration-resistant prostate cancer ATM m, BRCA1 m , BRCA2 m, BARD1 m, BRIP1 m, CDK12 m, CHEK1 m, CHEK2 m, FANCL m, PALB2 m, RAD51B m, RAD51C m, RAD51D m, RAD54L m X g BRCA1 m, g BRCA2 m X ATM m , BRCA1…
12.1 Mechanism of Action Olaparib is an inhibitor of poly (ADP-ribose) polymerase (PARP) enzymes, including PARP1, PARP2, and PARP3. PARP enzymes are involved in normal cellular functions, such as DNA transcription and DNA repair. Olaparib has been shown to inhibit growth of select tumor cell lines in vitro and decrease tumor growth in mouse xenograft models of human cancer, both as monotherapy or following platinum-based chemotherapy. Increased cytotoxicity and anti-tumor activity following treatment with olaparib were noted in cell lines and mouse tumor models with deficiencies in BRCA1/2 , ATM , or other genes involved in the homologous recombination repair (HRR) of DNA damage and correlated with platinum response. In vitro studies have shown that olaparib-induced cytotoxicity may involve inhibition of PARP enzymatic activity and increased formation of PARP-DNA complexes, resulting in DNA damage and cancer cell death. In prostate cancer models, PARP1 has been shown to contribute to androgen receptor (AR) activity regulation; the combination of olaparib and AR inhibition resulted in cytotoxicity in vitro and anti-tumor activity in mouse xenograft models.
6 ADVERSE REACTIONS The following adverse reactions are discussed elsewhere in the labeling: • Myelodysplastic Syndrome/Acute Myeloid Leukemia [see Warnings and Precautions (5.1) ] • Pneumonitis [see Warnings and Precautions (5.2) ] • Venous Thromboembolism [see Warnings and Precautions (5.3) ] • Hepatotoxicity, Including Drug-Induced Liver Injury [see Warnings and Precautions (5.4) ] Most common adverse reactions (≥10%): • as a single agent were nausea, fatigue (including asthenia), anemia, vomiting, diarrhea, decreased appetite, headache, dysgeusia, cough, neutropenia, dyspnea, dizziness, dyspepsia, leukopenia, and thrombocytopenia. (6.1) • in combination with bevacizumab were nausea, fatigue (including asthenia), anemia, lymphopenia, vomiting, diarrhea, neutropenia, leukopenia, urinary tract infection, and headache. ( 6.1 ) • in combination with abiraterone and prednisone or prednisolone were anemia, fatigue, nausea, diarrhea, decreased appetite, lymphopenia, dizziness, and abdominal pain. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact AstraZeneca at 1-800-236-9933 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch. 6.1 Clinical Trial Experience Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice. Unless otherwise specified, the data described in the WARNINGS AND PRECAUTIONS reflect exposure to Lynparza as a single agent or as part of a combination regimen (SOLO-1, SOLO-2, PAOLA-1, OlympiA, OlympiAD, POLO, PROfound, and PROpel) in 2851 patients that were pooled to conduct safety analyses. Additional data reflect exposure to Lynparza as a single agent in 2901 patients; 2135 patients with exposure to 300 mg twice daily tablet dose including five controlled, randomized, trials (SOLO-1, SOLO-2, OlympiAD, POLO, and PROfound) and to 400 mg twice daily…
4 CONTRAINDICATIONS None. None. (4)
5 WARNINGS AND PRECAUTIONS • Myelodysplastic Syndrome/Acute Myeloid Leukemia (MDS/AML): Occurred in approximately 1.2% of patients with various BRCA m, g BRCA m, HRR gene-mutated or HRD-positive cancers exposed to Lynparza and the majority of events had a fatal outcome. Monitor patients for hematological toxicity at baseline and monthly thereafter. Discontinue if MDS/AML is confirmed. (5.1) • Pneumonitis: Occurred in 1.0% of patients exposed to Lynparza, and some cases were fatal. Interrupt treatment if pneumonitis is suspected. Discontinue if pneumonitis is confirmed. (5.2) • Venous thromboembolism (VTE), including severe or fatal pulmonary embolism (PE), occurred in patients treated with Lynparza. VTE occurred in 8% of patients with mCRPC. Monitor patients for signs and symptoms of VTE and PE and treat as medically appropriate. ( 5.3 ) • Hepatotoxicity, Including Drug-induced liver injury (DILI): Occurred in patients treated with Lynparza. If DILI is suspected, interrupt Lynparza. If DILI is confirmed, discontinue treatment. ( 5.4 ) • Embryo-Fetal Toxicity: Can cause fetal harm. Advise of the potential risk to a fetus and to use effective contraception. ( 5.5 , 8.1 , 8.3 ) 5.1 Myelodysplastic Syndrome/Acute Myeloid Leukemia Myelodysplastic syndrome (MDS)/Acute Myeloid Leukemia (AML) has occurred in patients treated with Lynparza and some cases were fatal. In clinical studies, among 2219 patients with various BRCA m, g BRCA m, HRR gene-mutated or HRD-positive cancers who received Lynparza as a single agent or as part of combination regimen, consistent with approved indications, the cumulative incidence of MDS/AML was approximately 1.2% (26/2219) [see Adverse Reactions (6.1) ]. Of these, 54% (14/26) had a fatal outcome. The median duration of therapy with Lynparza in patients who developed MDS/AML was approximately 2 years (range: < 6 months to > 4 years). All of these patients had received previous chemotherapy with platinum agents and/or other DNA damaging agents…
7 DRUG INTERACTIONS • Strong or moderate CYP3A inhibitors: Avoid concomitant use. If concomitant use cannot be avoided, reduce Lynparza dosage. ( 2.4 , 7.2 , 12.3 ) • Strong or moderate CYP3A inducers: Avoid concomitant use. ( 7.2 , 12.3 ) 7.1 Use with Anticancer Agents Clinical studies of Lynparza with other myelosuppressive anticancer agents, including DNA damaging agents, indicate a potentiation and prolongation of myelosuppressive toxicity. 7.2 Effect of Other Drugs on Lynparza Strong and Moderate CYP3A Inhibitors Coadministration of CYP3A inhibitors can increase olaparib concentrations, which may increase the risk for adverse reactions [see Clinical Pharmacology (12.3) ] . Avoid coadministration of strong or moderate CYP3A inhibitors. If the strong or moderate inhibitor must be coadministered, reduce the dose of Lynparza [see Dosage and Administration (2.4) ]. Strong and Moderate CYP3A Inducers Concomitant use with a strong or moderate CYP3A inducer decreased olaparib exposure, which may reduce Lynparza efficacy [see Clinical Pharmacology (12.3) ] . Avoid coadministration of strong or moderate CYP3A inducers.
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