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warnings
WARNINGS Ganirelix acetate injection should be prescribed by physicians who are experienced in infertility treatment. Before starting treatment with ganirelix acetate, pregnancy must be excluded. Safe use of ganirelix acetate during pregnancy has not been established (see CONTRAINDICATIONS and PRECAUTIONS ).
ADVERSE REACTIONS The safety of ganirelix acetate injection was evaluated in two randomized, parallel-group, multicenter controlled clinical studies. Treatment duration for ganirelix acetate ranged from 1 to 14 days. Table 4 represents adverse events (AEs) from first day of ganirelix acetate administration until confirmation of pregnancy by ultrasound at an incidence of ≥ 1% in ganirelix acetate-treated subjects without regard to causality. Table 4: Incidence of Common Adverse Events (Incidence ≥ 1% in Ganirelix Acetate-treated Subjects). Completed Controlled Clinical Studies (All-subjects-treated Group) Adverse Events Occurring in ≥ 1% Ganirelix Acetate N=794 % (n) Abdominal Pain (gynecological) 4.8 (38) Death Fetal 3.7 (29) Headache 3 (24) Ovarian Hyperstimulation Syndrome 2.4 (19) Vaginal Bleeding 1.8 (14) Injection Site Reaction 1.1 (9) Nausea 1.1 (9) Abdominal Pain (gastrointestinal) 1 (8) During post-marketing surveillance, rare cases of hypersensitivity reactions, including anaphylaxis (including anaphylactic shock), angioedema and urticaria have been reported with ganirelix acetate, as early as with the first dose (see PRECAUTIONS ). Congenital Anomalies An observational study in more than 1000 newborns compared the incidence of congenital anomalies in newborns of women administered ganirelix acetate to historical controls of a GnRH agonist. This study demonstrated that the incidence of congenital anomalies in children born after COH treatment in women using ganirelix acetate was comparable with that reported after a COH treatment cycle using a GnRH agonist. The incidence of congenital malformations after some Assisted Reproductive Technologies (ART) [specifically in vitro fertilization (IVF) or intracytoplasmic sperm injection (ICSI)] may be slightly higher than after spontaneous conception. This slightly higher incidence is thought to be related to differences in parental characteristics (e.g., maternal age, maternal and paternal genetic background, sperm characteristics) and to the higher incidence of multi-fetal gestations after IVF or ICSI. The causal relationship between these congenital anomalies and ganirelix acetate injection is unknown.