How Does Tremfya Work for Ulcerative Colitis? Tremfya is a monoclonal antibody that reduces inflammation. The main ingredient in Tremfya is a medicine called guselkumab. This medicine blocks a ...

Johnson & Johnson (J&J) Innovation Medicine has submitted a request to the US Food and Drug Administration (FDA) to approve a new way of starting treatment with its drug Tremfya (guselkumab) for ...