PARIS & LONDON--(BUSINESS WIRE)--Regulatory News: Ipsen (Euronext : FR0010259150; IPN) and Spirogen Ltd. announced today that the parties have entered into a new agreement superseding their 2003 contractual relationship regarding the DNA minor groove binder SJG-136 (now known as SG2000). The new agreement between the parties will allow Spirogen to continue and lead the clinical development of this first-in-class anticancer agent. SJG-136 is planned to shortly continue clinical development in upcoming National Cancer Institute-sponsored multi-centered Phase II clinical trials in ovarian cancer and haematological malignancies.