WARNING: SERIOUS OR FATAL RESPIRATORY FAILURE TERLIVAZ may cause serious or fatal respiratory failure. Patients with volume overload or with acute-on-chronic liver failure (ACLF) Grade 3 are at increased risk [see References (15) ]. Assess oxygenation saturation (e.g., SpO 2 ) before initiating TERLIVAZ. Do not initiate TERLIVAZ in patients experiencing hypoxia (e.g., SpO 2 <90%) until oxygenation levels improve. Monitor patients for hypoxia using continuous pulse oximetry during treatment and discontinue TERLIVAZ if SpO 2 decreases below 90% [see Dosage and Administration (2.1) , Contraindications (4) , and Warnings and Precautions (5.1) ]. WARNING: SERIOUS OR FATAL RESPIRATORY FAILURE TERLIVAZ may cause serious or fatal respiratory failure. Patients with volume overload or with ACLF Grade 3 are at increased risk. Assess oxygenation saturation (e.g., SpO 2 ) before initiating TERLIVAZ. Do not initiate TERLIVAZ in patients experiencing hypoxia (e.g., SpO 2 <90%) until oxygenation levels improve. Monitor patients for hypoxia using continuous pulse oximetry during treatment and discontinue TERLIVAZ if SpO 2 decreases below 90% ( 2.1 , 4 , 5.1 ).
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warnings and cautions
5 WARNINGS AND PRECAUTIONS Serious or Fatal Respiratory Failure : Monitor patients for changes in respiratory status using pulse oximetry and regular clinical assessments. Actively manage intravascular volume overload and adjust TERLIVAZ therapy as appropriate. ( 5.1 ) Ineligibility for Liver Transplant : TERLIVAZ-related adverse reactions may make a patient ineligible for liver transplantation, if listed. ( 5.2 ) Ischemic Events : TERLIVAZ is a vasoconstrictor and can cause ischemic events (cardiac, peripheral, or mesenteric) that may require dose interruption or discontinuation. ( 5.3 ) Embryo-Fetal Toxicity : TERLIVAZ may cause fetal harm when used during pregnancy. Advise females of reproductive potential of the potential hazard to the fetus. ( 5.4 , 8.1 ) 5.1 Serious or Fatal Respiratory Failure In the primary clinical trial [see Clinical Studies (14) ] , serious or fatal respiratory failure occurred in 14% of patients treated with TERLIVAZ compared to 5% of patients on placebo. Obtain baseline oxygen saturation and do not initiate TERLIVAZ in hypoxic patients [see Contraindications (4) ] . Monitor patients for changes in respiratory status using continuous pulse oximetry and regular clinical assessments. Discontinue TERLIVAZ in patients experiencing hypoxia or increased respiratory symptoms. Patients with fluid overload may be at increased risk of respiratory failure. Manage intravascular volume overload by reducing or discontinuing the administration of albumin and/or other fluids and judicious use of diuretics. Temporarily interrupt, reduce, or discontinue TERLIVAZ treatment until patient volume status improves [see Dosage and Administration (2.1) ] . Avoid use in patients with ACLF Grade 3 because they are at significant risk for respiratory failure [see References (15) ] . 5.2 Ineligibility for Liver Transplant TERLIVAZ-related adverse reactions (respiratory failure, ischemia) may make a patient ineligible for liver transplantation, if listed. For patients with high prioritization for liver transplantation (e.g., MELD ≥ 35), the benefits of TERLIVAZ may not outweigh its risks [see Adverse Reactions (6.1) ]. 5.3 Ischemic Events TERLIVAZ may cause cardiac, cerebrovascular, peripheral, or mesenteric ischemia. Avoid use of TERLIVAZ in patients with a history of severe cardiovascular conditions, cerebrovascular and ischemic disease. Discontinue TERLIVAZ in patients who experience signs or symptoms suggestive of ischemic adverse reactions [see Dosage and Administration (2.1) and Adverse Reactions (6.1) ]. 5.4 Embryo-Fetal Toxicity TERLIVAZ may cause fetal harm when administered to a pregnant woman based on the mechanism of action and data from published literature. Terlipressin induces uterine contractions and endometrial ischemia in both humans and animals. If this drug is used during pregnancy, the patient should be apprised of the potential risk to the fetus [see Use in Specific Populations (8.1) and Clinical Pharmacology (12.1) ] .
6 ADVERSE REACTIONS The following adverse reactions are discussed elsewhere in the labeling: Serious or Fatal Respiratory Failure [see Warnings and Precautions (5.1) ] Ischemic Events [see Warnings and Precautions (5.3) ] The most common adverse reactions (≥10%) include abdominal pain, nausea, respiratory failure, diarrhea, and dyspnea. ( 6.1 ) To report SUSPECTED ADVERSE REACTIONS, contact 1-800-844-2830 and www.Mallinckrodt.com or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch . 6.1 Clinical Trials Experience Because clinical trials are conducted under widely varying conditions, the adverse reaction rates observed in the clinical trials of TERLIVAZ cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice. The safety of TERLIVAZ was evaluated in the CONFIRM trial [see Clinical Studies (14) ] . The average daily dose of TERLIVAZ was 3.1 mg (range 0.8 to 5.8 mg), with a mean duration of exposure to TERLIVAZ of 6.2 days (range 1 to 15 days). Treatment discontinuation due to adverse events occurred in 12.0% (24/200) of patients receiving TERLIVAZ and 5.1% (5/99) of patients receiving placebo. The most common adverse reactions that led to TERLIVAZ discontinuation were respiratory failure, abdominal pain, and intestinal ischemia/obstruction. Table 1 lists adverse reactions that occurred more commonly on TERLIVAZ than on placebo, and in at least 4% of patients treated with TERLIVAZ in the CONFIRM trial. The most commonly observed adverse reactions in TERLIVAZ-treated patients (≥10%) were abdominal pain, nausea, respiratory failure, diarrhea, and dyspnea. Table 1: Adverse Reactions Reported by ≥4 % of TERLIVAZ-Treated Patients Patients, n (%) TERLIVAZ (N=200) Placebo (N=99) Abdominal pain 39 (19.5) 6 (6.1) Nausea 32 (16.0) 10 (10.1) Respiratory failure 31 (15.5) 7 (7.1) Diarrhea 26 (13.0) 7 (7.1) Dyspnea 25 (12.5) 5 (5.1) Fluid overload 17 (8.5) 3 (3.0) Pleural effusion 11 (5.5) 0 (0.0) Sepsis 11 (5.5) 1 (1.0) Bradycardia 10 (5.0) 0 (0.0) Ischemia-related events Ischemia-related events include skin discoloration, cyanosis, ischemia, and intestinal ischemia. 9 (4.5) 0 (0.0) 6.2 Postmarketing Experience Adverse reactions reported from the worldwide postmarketing experience with terlipressin include headache, hyponatremia, skin necrosis and gangrene. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to terlipressin exposure.