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warnings and cautions
5 WARNINGS AND PRECAUTIONS Embryo-Fetal Toxicity : May cause fetal harm. Advise females of reproductive potential to use effective contraception during treatment and for 7 days after the last dose if AQNEURSA is discontinued. ( 5.1 ) 5.1 Embryo-Fetal Toxicity Based on findings from animal reproduction studies, AQNEURSA may cause embryo-fetal harm when administered during pregnancy. Administration of levacetylleucine to pregnant rats and rabbits during the period of organogenesis caused an increase in embryo-fetal death (post implantation loss/resorption) and skeletal malformations at a dose that was approximately 1.4-fold and 6-fold, respectively, the maximum recommended human dose (MRHD) of 4 g/day of levacetylleucine (based on body surface area). The decision to continue or discontinue AQNEURSA treatment during pregnancy should consider the female’s need for AQNEURSA, the potential drug-related risks to the fetus, and the potential adverse outcomes from untreated maternal disease. For females of reproductive potential, verify that the patient is not pregnant prior to initiating treatment with AQNEURSA. Advise females of reproductive potential to use effective contraception during treatment with AQNEURSA and for 7 days after the last dose if AQNEURSA is discontinued [see Use in Specific Populations ( 8.1 , 8.3 )].
6 ADVERSE REACTIONS Most common adverse reactions (incidence ≥5% and greater than placebo) are abdominal pain, dysphagia, upper respiratory tract infections, and vomiting. ( 6 ) To report SUSPECTED ADVERSE REACTIONS, contact IntraBio Inc. at 1-833-306-9677 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, 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. The safety of AQNEURSA was evaluated in Trial 1, which included a total of 60 patients with Niemann-Pick disease Type C (NPC), in a placebo-controlled, randomized, crossover trial [see Clinical Studies ( 14 )] . The mean (SD) treatment duration of AQNEURSA was 86.2 (4.7) days (69 min, 97 max); the mean (SD) treatment duration on placebo was 87.3 (4.8) days (78 min, 113 max). Table 2 summarizes adverse reactions that occurred in patients who were treated with AQNEURSA in Treatment Period I of Trial 1. Table 2 Adverse Reactions that Occurred in Adult and Pediatric Patients with NPC at an Incidence of ≥5% in Treatment Period I of Trial 1 Adverse Reaction AQNEURSA N=30 n (%) Placebo N=30 n (%) Upper respiratory tract infection 5 (17) 1 (3) Abdominal pain 2 (7) 0 (0) Dysphagia 2 (7) 0 (0) Vomiting 2 (7) 0 (0) Rosacea One patient experienced an exacerbation of rosacea during Trial 1 that responded to treatment. AQNEURSA was not discontinued. Laboratory Findings Thrombocytopenia with platelets < 100 10^3 cells/µL was observed in four patients during Treatment Period 1, all of whom were receiving miglustat for 42 days or longer at the time of enrollment. In two of these patients, the thrombocytopenia was present at baseline. In the other two patients, the thrombocytopenia developed during the trial.