Other dosing considerations based on SOLO-2 (tablets) trial data1
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LYNPARZA is also available as a 50 mg capsule. DO NOT substitute LYNPARZA tablets (100 mg and 150 mg) with LYNPARZA capsules (50 mg) on a milligram-to-milligram basis due to differences in the dosing and bioavailability of each formulation.1 Refer to the full Prescribing Information for LYNPARZA capsules for specific capsule dosing. LYNPARZA capsules are not approved in the maintenance setting.1
LYNPARZA is a poly (ADP-ribose) polymerase (PARP) inhibitor indicated:
For the maintenance treatment of adult patients with recurrent epithelial ovarian, fallopian tube, or primary peritoneal cancer, who are in complete or partial response to platinum-based chemotherapy
For the treatment of adult patients with deleterious or suspected deleterious germline BRCA-mutated advanced ovarian cancer who have been treated with 3 or more prior lines of chemotherapy. Select patients for therapy based on an FDA-approved companion diagnostic for LYNPARZA
To avoid substitution errors and overdose, do not substitute LYNPARZA tablets with LYNPARZA capsules on a milligram-to-milligram basis due to differences in the dosing and bioavailability of each formulation. Recommended tablet dose is 300 mg, taken orally twice daily, with or without food. Continue treatment until disease progression or unacceptable toxicity. For adverse reactions, consider dose interruption or dose reduction.
There are no contraindications for LYNPARZA.
Myelodysplastic Syndrome/Acute Myeloid Leukemia (MDS/AML): Occurred in <1.5% of patients exposed to LYNPARZA monotherapy, and the majority of events had a fatal outcome. The duration of therapy in patients who developed secondary MDS/AML varied from <6 months to >2 years. All of these patients had previous chemotherapy with platinum agents and/or other DNA-damaging agents, including radiotherapy, and some of these patients also had a history of previous cancer or bone marrow dysplasia.
Do not start LYNPARZA until patients have recovered from hematological toxicity caused by previous chemotherapy (≤Grade 1). Monitor complete blood counts for cytopenia at baseline and monthly thereafter for clinically significant changes during treatment. For prolonged hematological toxicities, interrupt LYNPARZA and monitor blood counts weekly until recovery. If the levels have not recovered to Grade 1 or less after 4 weeks, refer the patient to a hematologist for further investigations, including bone marrow analysis and blood sample for cytogenetics. Discontinue LYNPARZA if MDS/AML is confirmed.
Pneumonitis: Occurred in <1% of patients exposed to LYNPARZA, and some cases were fatal. If patients present with new or worsening respiratory symptoms such as dyspnea, cough, and fever, or a radiological abnormality occurs, interrupt treatment with LYNPARZA and initiate prompt investigation. Discontinue LYNPARZA if pneumonitis is confirmed and treat patient appropriately.
Embryo-Fetal Toxicity: Based on its mechanism of action and findings in animals, LYNPARZA can cause fetal harm. A pregnancy test is recommended for females of reproductive potential prior to initiating treatment. Advise females of reproductive potential of the potential risk to a fetus and to use effective contraception during treatment and for 6 months after receiving the final dose.
Most common adverse reactions (Grades 1-4) in ≥20% of patients in clinical trials of LYNPARZA in the maintenance setting for SOLO-2: nausea, fatigue (including asthenia), anemia, vomiting, nasopharyngitis/upper respiratory tract infection (URI)/influenza, diarrhea, arthralgia/myalgia, dysgeusia, headache, decreased appetite, and stomatitis.
Study 19: nausea, fatigue (including asthenia), vomiting, diarrhea, anemia, respiratory tract infection, constipation, headache, and decreased appetite.
Most common laboratory abnormalities (Grades 1-4) in ≥25% of patients in clinical trials of LYNPARZA in the maintenance setting (SOLO-2/Study 19) were: increase in mean corpuscular volume, decrease in hemoglobin, decrease in leukocytes, decrease in lymphocytes, decrease in absolute neutrophil count, increase in serum creatinine, and decrease in platelets.
Most common adverse reactions (Grades 1-4) in ≥20% of patients in clinical trials of LYNPARZA for advanced gBRCAm ovarian cancer after 3 or more lines of chemotherapy (pooled from 6 studies) were: fatigue (including asthenia), nausea, vomiting, anemia, diarrhea, nasopharyngitis/upper respiratory tract infection (URI), dyspepsia, myalgia, decreased appetite, and arthralgia/musculoskeletal pain.
Most common laboratory abnormalities (Grades 1-4) in ≥25% of patients in clinical trials of LYNPARZA for advanced gBRCAm ovarian cancer after 3 or more lines of chemotherapy (pooled from 6 studies) were: decrease in hemoglobin, increase in mean corpuscular volume, decrease in lymphocytes, increase in serum creatinine, decrease in platelets, and decrease in absolute neutrophil count.
Anticancer Agents: Clinical studies of LYNPARZA in combination with other myelosuppressive anticancer agents, including DNA-damaging agents, indicate a potentiation and prolongation of myelosuppressive toxicity.
CYP3A Inhibitors: Avoid concomitant use of strong or moderate CYP3A inhibitors. If a strong or moderate CYP3A inhibitor must be co-administered, reduce the dose of LYNPARZA. Advise patients to avoid grapefruit, grapefruit juice, Seville oranges, and Seville orange juice during LYNPARZA treatment.
CYP3A Inducers: Avoid concomitant use of strong or moderate CYP3A inducers when using LYNPARZA. If a moderate inducer cannot be avoided, be aware of a potential for decreased efficacy of LYNPARZA.
Pediatric Use: The safety and efficacy of LYNPARZA have not been established in pediatric patients.
Lactation: No data are available regarding the presence of olaparib in human milk, the effects on the breastfed infant, or the effects on milk production. Because of the potential for serious adverse reactions in the breastfed infant, advise a lactating woman not to breastfeed during treatment with LYNPARZA and for 1 month after receiving the final dose.
Hepatic Impairment: No adjustment to the starting dose is required in patients with mild hepatic impairment (Child-Pugh classification A). There are no data in patients with moderate or severe hepatic impairment.
Renal Impairment: No adjustment to the starting dose is necessary in patients with mild renal impairment (CLcr 51-80 mL/min). In patients with moderate renal impairment (CLcr 31-50 mL/min), reduce the dose to 200 mg twice daily. There are no data in patients with severe renal impairment or end-stage renal disease (CLcr ≤30 mL/min).
Please see complete Prescribing Information, including Patient Information (Medication Guide).