(guselkumab)
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Last Updated: 01/04/2025
The effect of TREMFYA on human fertility has not been evaluated. No guselkumab-related effects on fertility parameters were identified in female and male fertility studies conducted in guinea pigs.1
No effects on fertility parameters were identified in female and male fertility studies conducted in guinea pigs. Exposures (AUC) at the 100 mg/kg twice-weekly no-observed-adverse-effect-level (NOAEL) dose were at least 21-fold higher than those following administration of a 200 mg subcutaneous dose.1
In a pooled safety analysis of ongoing and completed TREMFYA clinical studies in patients with PsO or PsA, a total of 32 partner pregnancies were reported as of 12 July 2020 (Table: Paternal Cases: Pregnancy Outcomes in Patients Treated with TREMFYA).2
Pregnancy outcome, n | Psoriasis | Psoriatic Arthritis |
---|---|---|
Live birth | 12 | 1 |
Spontaneous abortion | 4 | 0 |
Elective abortion | 2 | 0 |
Premature birth | 0 | 0 |
Abortion (unspecified) | 0 | 0 |
Ectopic pregnancy | 1 | 0 |
Induced abortion | 0 | 0 |
Neonatal/fetal demise | 0 | 0 |
Not reported/continuing | 11 | 1 |
Total | 30 | 2 |
a |
A literature search of MEDLINE®