Trifluridine And Tipiracil
Generic Name: trifluridine and tipiracil
Brand Names:
Lonsurf
11 DESCRIPTION LONSURF contains trifluridine and tipiracil hydrochloride at a molar ratio of 1:0.5. Trifluridine Trifluridine, a nucleoside metabolic inhibitor, is described chemically as 2’-deoxy-5-(trifluoromethyl) uridine and has the following structural formula: Trifluridine has a molecular formula C 10 H 11 F 3 N 2 O 5 and a molecular weight of 296.20.
Overview
11 DESCRIPTION LONSURF contains trifluridine and tipiracil hydrochloride at a molar ratio of 1:0.5. Trifluridine Trifluridine, a nucleoside metabolic inhibitor, is described chemically as 2’-deoxy-5-(trifluoromethyl) uridine and has the following structural formula: Trifluridine has a molecular formula C 10 H 11 F 3 N 2 O 5 and a molecular weight of 296.20.
Uses
1 INDICATIONS AND USAGE LONSURF is a combination of trifluridine, a nucleoside metabolic inhibitor, and tipiracil, a thymidine phosphorylase inhibitor, indicated for the treatment of adult patients with: metastatic colorectal cancer as a single agent or in combination with bevacizumab who have been previously treated with fluoropyrimidine-, oxaliplatin- and irinotecan-based chemotherapy, an anti-VEGF biological therapy, and if RAS wild-type, an anti-EGFR therapy. ( 1.1 ) metastatic gastric or gastroesophageal junction adenocarcinoma previously treated with at least two prior lines of chemotherapy that included a fluoropyrimidine, a platinum, either a taxane or irinotecan, and if appropriate, HER2/neu-targeted therapy.
Dosage
2 DOSAGE AND ADMINISTRATION Recommended Dosage : 35 mg/m 2 /dose orally twice daily with food on Days 1 through 5 and Days 8 through 12 of each 28-day cycle. ( 2.1 ) 2.1 Recommended Dosage The recommended dosage of LONSURF as a single agent or in combination with bevacizumab is 35 mg/m 2 up to a maximum of 80 mg per dose (based on the trifluridine component) orally twice daily with food on Days 1 through 5 and Days 8 through 12 of each 28-day cycle until disease progression or unacceptable toxicity. Round dose to the nearest 5 mg increment. Refer to the Prescribing Information for bevacizumab dosing information. Instruct patients to swallow LONSURF tablets whole. Instruct patients not to retake doses of LONSURF that are vomited or missed and to continue with the next scheduled dose.
Side Effects
6 ADVERSE REACTIONS The following clinically significant adverse reactions are described elsewhere in the labeling: Severe Myelosuppression [see Warnings and Precautions (5.1) ] The most common adverse reactions or laboratory abnormalities for single agent LONSURF (≥10%) are neutropenia, anemia, thrombocytopenia, fatigue, nausea, decreased appetite, diarrhea, vomiting, abdominal pain, and pyrexia. ( 6.1 ) The most common adverse reactions or laboratory abnormalities for LONSURF in combination with bevacizumab (≥20%) are neutropenia, anemia, thrombocytopenia, fatigue, nausea, increased AST, increased ALT, increased alkaline phosphatase, decreased sodium, diarrhea, abdominal pain, and decreased appetite. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Taiho Oncology, Inc.
Warnings
5 WARNINGS AND PRECAUTIONS Severe Myelosuppression: Obtain complete blood counts prior to and on Day 15 of each cycle. Withhold and resume at next lower LONSURF dosage as recommended. ( 2.1 , 5.1 ) Embryo-Fetal Toxicity: Can cause fetal harm. Advise females of reproductive potential of the potential risk to a fetus and to use effective contraception. ( 5.2 , 8.1 , 8.3 ) 5.1 Severe Myelosuppression In the 1114 patients who received LONSURF as a single agent, LONSURF caused severe or life-threatening myelosuppression (Grade 3-4) consisting of neutropenia (38%), anemia (17%), thrombocytopenia (4%) and febrile neutropenia (3%). Three patients (0.3%) died due to neutropenic infection/sepsis; four other patients (0.5%) died due to septic shock. 4 CONTRAINDICATIONS None. None. ( 4 )
Pregnancy
8.1 Pregnancy Risk Summary Based on animal data and its mechanism of action [see Clinical Pharmacology (12.2) ] , LONSURF can cause fetal harm. LONSURF caused embryo-fetal lethality and embryo-fetal toxicity in pregnant rats when given during gestation at doses resulting in exposures lower than or similar to human exposures at the recommended clinical dose (see Data ) . There are no available data on LONSURF use in pregnant women. Advise pregnant women of the potential risk to a fetus. In the U.S.
Storage
16 HOW SUPPLIED/STORAGE AND HANDLING LONSURF 15 mg/6.14 mg tablets are supplied as white, biconvex, round, film-coated tablet, imprinted with ‘15’ on one side, and ‘102’ and ’15 mg’ on the other side, in gray ink.
Frequently Asked Questions
What is Trifluridine And Tipiracil used for?▼
1 INDICATIONS AND USAGE LONSURF is a combination of trifluridine, a nucleoside metabolic inhibitor, and tipiracil, a thymidine phosphorylase inhibitor, indicated for the treatment of adult patients with: metastatic colorectal cancer as a single agent or in combination with bevacizumab who have been previously treated with fluoropyrimidine-, oxaliplatin- and irinotecan-based chemotherapy, an anti-VEGF biological therapy, and if RAS wild-type, an anti-EGFR therapy. ( 1.1 ) metastatic gastric or gastroesophageal junction adenocarcinoma previously treated with at least two prior lines of chemotherapy that included a fluoropyrimidine, a platinum, either a taxane or irinotecan, and if appropriate, HER2/neu-targeted therapy.
What are the side effects of Trifluridine And Tipiracil?▼
6 ADVERSE REACTIONS The following clinically significant adverse reactions are described elsewhere in the labeling: Severe Myelosuppression [see Warnings and Precautions (5.1) ] The most common adverse reactions or laboratory abnormalities for single agent LONSURF (≥10%) are neutropenia, anemia, thrombocytopenia, fatigue, nausea, decreased appetite, diarrhea, vomiting, abdominal pain, and pyrexia. ( 6.1 ) The most common adverse reactions or laboratory abnormalities for LONSURF in combination with bevacizumab (≥20%) are neutropenia, anemia, thrombocytopenia, fatigue, nausea, increased AST, increased ALT, increased alkaline phosphatase, decreased sodium, diarrhea, abdominal pain, and decreased appetite. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact Taiho Oncology, Inc.
Can I take Trifluridine And Tipiracil during pregnancy?▼
8.1 Pregnancy Risk Summary Based on animal data and its mechanism of action [see Clinical Pharmacology (12.2) ] , LONSURF can cause fetal harm. LONSURF caused embryo-fetal lethality and embryo-fetal toxicity in pregnant rats when given during gestation at doses resulting in exposures lower than or similar to human exposures at the recommended clinical dose (see Data ) . There are no available data on LONSURF use in pregnant women. Advise pregnant women of the potential risk to a fetus. In the U.S.
What are the important warnings for Trifluridine And Tipiracil?▼
5 WARNINGS AND PRECAUTIONS Severe Myelosuppression: Obtain complete blood counts prior to and on Day 15 of each cycle. Withhold and resume at next lower LONSURF dosage as recommended. ( 2.1 , 5.1 ) Embryo-Fetal Toxicity: Can cause fetal harm. Advise females of reproductive potential of the potential risk to a fetus and to use effective contraception. ( 5.2 , 8.1 , 8.3 ) 5.1 Severe Myelosuppression In the 1114 patients who received LONSURF as a single agent, LONSURF caused severe or life-threatening myelosuppression (Grade 3-4) consisting of neutropenia (38%), anemia (17%), thrombocytopenia (4%) and febrile neutropenia (3%). Three patients (0.3%) died due to neutropenic infection/sepsis; four other patients (0.5%) died due to septic shock. 4 CONTRAINDICATIONS None. None. ( 4 )
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Medical Disclaimer
This drug information is for educational purposes only and should not replace professional medical advice. Drug information is sourced from the FDA National Drug Code Directory and Structured Product Labeling. Always consult with a healthcare provider before starting, stopping, or changing any medication.