Sanofi and Lexicon Pharmaceuticals, Inc. have entered into a collaboration and license agreement for the development and commercialization of sotagliflozin, an investigational new oral dual inhibitor of sodium-glucose cotransporters 1 and 2 (SGLT-1 and SGLT-2), which could be a potential treatment option for people with diabetes.
"This agreement with Lexicon reinforces our commitment to helping people living with diabetes," said Pascale Witz, executive vice president, Sanofi, who will lead the global diabetes and cardiovascular care business unit in the company's new organisational structure.
The developmental medicine sotagliflozin (LX4211) is currently being studied in two pivotal phase 3 trials in type 1 diabetes, which are expected to report top-line results during the second half of 2016. Phase 3 trials in type 2 diabetes are expected to begin in 2016. Sotagliflozin has previously shown encouraging results in exploratory (phase 2) studies, including reduction of blood sugar (HbA1c), improvement in glycemic variability and reduced meal-time insulin dose compared with placebo in type 1 diabetics. Phase 2 studies exploring treatment in people with type 2 diabetes, including those with renal impairment, showed lowering of blood sugar (HbA1c), weight loss and blood pressure improvements. No increase in hypoglycemic events was seen with sotagliflozin compared to background therapy in the phase 2 programme. The adverse event profile in the phase 2 programme was similar to other products in this class and reflective of the urinary glucose excretion associated with sotagliflozin's inhibition of SGLT.
These results indicate that sotagliflozin could have the potential to become an important option among oral anti-diabetic medicines and provide a strong rationale for the further investigation of this compound as a treatment for people with diabetes.
Under the terms of the agreement, Lexicon will receive an upfront payment of USD 300 million and is eligible to receive development, regulatory and sales milestone payments of up to USD 1.4 billion. Lexicon is also entitled to tiered, escalating double digit percentage royalties of net sales of sotagliflozin.
Sanofi obtains an exclusive worldwide license to develop, manufacture and commercialize sotagliflozin. Lexicon will continue to be responsible for all clinical development activities relating to type 1 diabetes and will retain an exclusive option to co-promote and have a significant role, in collaboration with Sanofi, in the commercialization of sotagliflozin for the treatment of type 1 diabetes in the United States. Sanofi will be responsible for all clinical development and commercialization activities of sotagliflozin for the treatment of type 2 diabetes worldwide and will be solely responsible for the commercialization of sotagliflozin for the treatment of type 1 diabetes outside the United States. Lexicon will share in the funding of a portion of the planned type 2 diabetes development costs over the next three years, up to an aggregate of USD 100 million.
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