Lynparza

Warnings and Precautions ( 5.2 , 5.4 ) 7/2025

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. Patients with hormone receptor (HR)-positive breast cancer should have been treated with a prior endocrine therapy or be considered inappropriate for endocrine therapy. Select patients for therapy based on an FDA-approved companion diagnostic for Lynparza. ( 1.5 , 2.1 ) Pancreatic cancer • for the maintenance treatment of adult patients with deleterious or suspected deleterious gBRCA m metastatic pancreatic adenocarcinoma whose disease has not progressed on at least 16 weeks of a first-line platinum-based chemotherapy regimen. Select patients for therapy based on an FDA-approved companion diagnostic for Lynparza. ( 1.6 , 2.1 ) Prostate cancer • for the treatment of adult patients with deleterious or suspected deleterious germline or somatic homologous recombination repair (HRR) gene-mutated metastatic castration-resistant prostate cancer (mCRPC) who have progressed following prior treatment with enzalutamide or abiraterone. Select patients for therapy based on an FDA-approved companion diagnostic for Lynparza. ( 1.7 , 2.1 ) • in combination with abiraterone and prednisone or prednisolone for the treatment of adult patients with deleterious or suspected deleterious BRCA -mutated ( BRCA m) metastatic castration-resistant prostate cancer (mCRPC). Select patients for therapy based on an FDA-approved companion diagnostic for Lynparza. ( 1.8 , 2.1 ) 1.1 First-Line Maintenance Treatment of BRCA -mutated Advanced Ovarian Cancer Lynparza is indicated 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 [see Dosage and Administration (2.1) ] . 1.2 First-line Maintenance Treatment of HRD-positive Advanced Ovarian Cancer in Combination with Bevacizumab Lynparza is indicate …

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 m, BRCA2 m X BRCA -mutated metastatic castration-resistant prostate cancer in combination with abiraterone and prednisone or prednisolone BRCA1 m, BRCA2 m X X X 2.2 Recommended Dosage The recommended dosage of Lynparza is 300 mg taken orally twice daily, with or without food. If a patient misses a dose of Lynparza, instruct patient to take their next dose at its scheduled time. Instruct patients to swallow tablets whole. Do not chew, crush, dissolve, or divide tablet. First-Line Maintenance Treatment of BRCA -mutated Advanced Ovarian Cancer Continue treatment until disease progression, unacceptable toxicity, or completion of 2 years of treatment. Patients with a complete response (no radiological evidence of disease) at 2 years should stop treatment. Patients with evidence of disease at 2 years, who in the opinion of the treating healthcare provider can derive further benefit from continuous treatment, can be treated beyond 2 years. First-Line Maintenance Treatment of HRD-positive Advanced Ovarian Cancer in Combination with Bevacizumab Continue Lynparza treatment until disease progression, unacceptable toxicity, or completion of 2 years of treatment. Patients with a complete response (no radiological evidence of disease) at 2 years should stop treatment. Patients with evidence of disease at 2 years, who in the opinion of the treating healthcare provider can derive further benefit from continuous Lynparza treatment, can be treated beyond 2 years. When used with Lynparza, the recommended dose of bevacizumab is 15 mg/kg every three weeks. Bevacizumab should be given for a total of 15 months including the period given with chemotherapy and given as maintenance. Refer to the Prescribing Information for bevacizumab when used in combination with Lynparza for more information. Adjuvant Treatment of Germline BRCA -mutated HER2-negative High Risk Early Breast Cancer Continue treatment for a total of 1 year, or until disease recurrence, or unacceptable toxicity, whichever occurs …

3 DOSAGE FORMS AND STRENGTHS Tablets: • 150 mg: green to green/grey, oval, bi-convex, film-coated, with debossment ‘OP150’ on one side and plain on the reverse side. • 100 mg: yellow to dark yellow, oval, bi-convex, film-coated, with debossment ‘OP100’ on one side and plain on the reverse side. Tablets: 150 mg, 100 mg (3)

4 CONTRAINDICATIONS None. None. (4)

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 capsule dose in 766 patients in other trials that were pooled to conduct safety analyses. In this pooled single agent safety population, 56% of patients were exposed for 6 months or longer and 28% were exposed for greater than one year in the Lynparza group. In this pooled single agent safety population, the most common adverse reactions in ≥10% of patients were nausea (60%), fatigue (55%), anemia (36%), vomiting (32%), diarrhea (24%), decreased appetite (22%), headache (16%), dysgeusia (15%), cough (15%), neutropenia (14%), dyspnea (14%), dizziness (12%), dyspepsia (12%), leukopenia (11%), and thrombocytopenia (10%). First-Line Maintenance Treatment of BRCA -mutated Advanced Ovarian Cancer SOLO-1 The safety of Lynparza for the maintenance treatment of patients with BRCA-mutated advanced ovarian cancer following first-line treatment with platinum-based chemotherapy was investigated in SOLO- 1 [see Clinical Studies (14.1) ] . Patients received Lynparza tablets 300 mg orally twice daily (n=260) or placebo (n=130) until disease progression or unacceptable toxicity. The median duration of study treatment was 25 months for patients who received Lynparza and 14 months for patients who received placebo. Among patients who received Lynparza, dose interruptions due to an adverse reaction of any grade occurred in 52% and dose reductions due to an adverse reaction occurred in 28%. The most frequent adverse reactions leading to dose interruption or reduction of Lynparza were anemia (23%), nausea (14%), and vomiting (10%). Discontinuation due to adverse reactions occurred in 12% of patients receiving Lynparza. The most frequent adverse reactions that led to discontinuation of Lynparza were fatigue (3.1%), anemia (2.3%), and nausea (2.3%). Tables 2 and 3 summarize adverse reactions and laboratory abnormalities in SOLO-1. Table 2 Adverse Reactions Graded according to the National Cancer Institute Common Terminology Criteria for Adverse Events (NCI CTCAE), version 4.0. in SOLO-1 (≥10% …

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.

8 USE IN SPECIFIC POPULATIONS Lactation: Advise women not to breastfeed. (8.2) 8.1 Pregnancy Risk Summary Based on findings in animals and its mechanism of action [see Clinical Pharmacology (12.1) ] , Lynparza can cause fetal harm when administered to a pregnant woman. There are no available data on Lynparza use in pregnant women to inform the drug-associated risk. In an animal reproduction study, the administration of olaparib to pregnant rats during the period of organogenesis caused teratogenicity and embryo-fetal toxicity at exposures below those in patients receiving the recommended human dose of 300 mg twice daily (see Data ). Apprise pregnant women of the potential hazard to the fetus and the potential risk for loss of the pregnancy. The estimated background risk of major birth defects and miscarriage for the indicated population is unknown. The estimated background risk in the U.S. general population of major birth defects is 2-4%; and the risk for spontaneous abortion is approximately 15-20% in clinically recognized pregnancies. Data Animal Data In a fertility and early embryonic development study in female rats, olaparib was administered orally for 14 days before mating through to Day 6 of pregnancy, which resulted in increased post-implantation loss at a dose level of 15 mg/kg/day (with maternal systemic exposures approximately 7% of the human exposure (AUC 0-24h ) at the recommended dose). In an embryo-fetal development study, pregnant rats received oral doses of 0.05 and 0.5 mg/kg/day olaparib during the period of organogenesis. A dose of 0.5 mg/kg/day (with maternal systemic exposures approximately 0.18% of human exposure (AUC 0-24h ) at the recommended dose) caused embryo-fetal toxicities including increased post-implantation loss and major malformations of the eyes (anophthalmia, microphthalmia), vertebrae/ribs (extra rib or ossification center; fused or absent neural arches, ribs, and sternebrae), skull (fused exoccipital), and diaphragm (hernia). Additional abnormalities or variants included incomplete or absent ossification (vertebrae/sternebrae, ribs, limbs) and other findings in the vertebrae/sternebrae, pelvic girdle, lung, thymus, liver, ureter, and umbilical artery. Some findings noted above in the eyes, ribs, and ureter were observed at a dose of 0.05 mg/kg/day olaparib at lower incidence. 8.2 Lactation Risk Summary No data are available regarding the presence of olaparib in human milk, or on its effects on the breastfed infant or on milk production. Because of the potential for serious adverse reactions in the breastfed infants from Lynparza, advise a lactating woman not to breastfeed during treatment with Lynparza and for one month after receiving the last dose. 8.3 Females and Males of Reproductive Potential Lynparza can cause fetal harm when administered to a pregnant woman [see Use in Specific Populations (8.1) ] . Pregnancy Testing Verify pregnancy status in females of reproductive potential prior to initiating treatment with Lynparza. Contraception Females Advise females of reproductive potential to use effective contraception during treatment with Lynparza and for 6 months following the last dose. Males Based on findings in genetic toxicity and animal reproduction studies, advise male patients with female partners of reproductive potential or who are pregnant to use effective contraception during treatment and for 3 months following the last dose of Lynparza. Advise male patients not to donate sperm during therapy and for 3 months following the last dose of Lynparza [see Use in Specific Populations (8.1) and Nonclinical Toxicology (13.1) ] . 8.4 Pediatric Use Safety and effectiveness of Lynparza have not been established in pediatric patients. 8.5 Geriatric Use Of the 2901 patients with advanced solid tumors who received Lynparza as a single agent, 680 (23%) patients were aged ≥65 years, and this included 206 (7%) patients who were aged ≥75 years. Thirteen (0.4%) patients were aged ≥85 years. O …

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.

11 DESCRIPTION Olaparib is a poly (ADP-ribose) polymerase (PARP) inhibitor. The chemical name is 4-[(3-{[4-(cyclopropylcarbonyl)piperazin-1-yl]carbonyl}-4-fluorophenyl)methyl]phthalazin-1(2H)-one. The empirical molecular formula for Lynparza is C 24 H 23 FN 4 O 3 and the relative molecular mass is 434.46. It has the following chemical structure: Olaparib is a crystalline solid, is non-chiral and shows pH-independent low solubility across the physiological pH range. Lynparza (olaparib) tablets for oral use contain 100 mg or 150 mg of olaparib. Inactive ingredients in the tablet core are copovidone, mannitol, colloidal silicon dioxide, and sodium stearyl fumarate. The tablet coating consists of hypromellose, polyethylene glycol 400, titanium dioxide, ferric oxide yellow, and ferrosoferric oxide (150 mg tablet only). chemical structure

16 HOW SUPPLIED/STORAGE AND HANDLING Lynparza is available as 150 mg and 100 mg tablets. • 150 mg tablets: green to green/grey, oval, bi-convex, film-coated tablet, with debossment ‘OP150’ on one side and plain on the reverse, are available in: ∘ Bottles of 60 tablets (NDC 0310-0679-60) and ∘ Bottles of 120 tablets (NDC 0310-0679-12). • 100 mg tablets: yellow to dark yellow, oval, bi-convex, film-coated tablet, with debossment ‘OP100’ on one side and plain on the reverse, are available in: ∘ Bottles of 60 tablets (NDC 0310-0668-60) and ∘ Bottles of 120 tablets (NDC 0310-0668-12). Store at 20oC to 25oC (68oF to 77oF), excursions permitted to 15oC to 30oC (59oF to 86oF) [see USP Controlled Room Temperature]. Store in original bottle to protect from moisture.