University spinout announces positive results from peptide therapeutic trial for patients with relapsing Multiple Sclerosis (MS)

A University of Bristol spinout company that focuses on treating the underlying cause of autoimmune diseases has announced positive results from its peptide therapeutic trial for patients with relapsing Multiple Sclerosis (MS).
A University of Bristol spinout company that focuses on treating the underlying cause of autoimmune diseases has announced positive results from its peptide therapeutic trial for patients with relapsing Multiple Sclerosis (MS).

Apitope, a drug discovery and development company founded by Professor David Wraith in the School of Cellular and Molecular Medicine, completed the second Phase I clinical trial to assess the safety of its peptide therapeutic ‘ATX-MS-1467’, as well as biological parameters, in a total of 43 patients with relapsing MS. Review of the MRI data showed a significant decrease in new lesions; an early indicator of potential efficacy.

Dr Keith Martin, CEO of Apitope, said: “We are pleased to have successfully completed a challenging clinical trial with positive results. The results of this trial in patients with relapsing MS continue to build on the positive data from our first study and provide further clinical support for the Apitope approach to the treatment of serious autoimmune conditions.”

Professor David Wraith, Apitope’s CSO and Founder, added: “Antigen specific immunotherapy is designed to correct the immunological imbalance that causes autoimmune disease without inducing the nonspecific immune suppression that so frequently causes unacceptable side effects. Up to now this approach has been shown to be highly effective in experimental models but has been slow to progress into the clinic. It is, therefore, a major step forward that the approach is proving to be so well tolerated with early signs of potential efficacy, as evidenced by the results of Apitope’s two clinical trials in MS.”

Examination of the MRI results (new Gd and total Gd enhancing lesions) demonstrated a significant decrease in the number of contrast-enhancing brain lesions (CEL) in patients with relapsing multiple sclerosis treated by intradermal injection of ATX-MS-1467. The same effect was not seen in the subcutaneously dosed group. These encouraging results will now need confirmation in appropriate Phase II trials.

Completion of the study together with these positive MRI-based data allows Merck Serono, the biopharmaceutical division of Merck KGaA, Darmstadt, Germany, with whom Apitope is developing ATX-MS-1467, to develop plans for Phase II onwards.