Phase IIb Trial of IPP-201101

Immupharma PLC 26 February 2008 For Immediate Release 26 February 2008 ImmuPharma PLC First Lupus patients dosed with IPP-201101 in phase IIb study ImmuPharma PLC (LSE:IMM), ('ImmuPharma' or the 'Company'), the specialist drug discovery and development company, announces today that the first patients have been dosed in its phase IIb trial of IPP-201101 for the treatment of Systemic Lupus Erythematosus. Assuming continued satisfactory patient recruitment with the trial, headline efficacy data are expected in the summer of 2008 as previously indicated. The phase IIb clinical study is designed to evaluate the efficacy and safety of IPP-201101 in patients with Systemic Lupus Erythematosus (SLE). The primary objective of the study is to assess the effect of subcutaneous IPP-201101 on the signs and symptoms of disease activity in subjects with active SLE, over a 12-week treatment period, compared to placebo. The phase IIb study has been designed as a multicenter, randomized, double-blind, placebo-controlled dose-ranging study to evaluate the safety, tolerability and efficacy of two doses of subcutaneous IPP-201101 plus standard of care, versus placebo plus standard of care in Subjects with SLE. The first patients have been dosed in Buenos Aires, Argentina. The study is being conducted in 7 countries in 43 sites, across Europe and Latin America, and is expected to enrol up to 204 patients. Dr Robert Zimmer, MD, PhD, President and Chief Scientific Officer of ImmuPharma said: 'We are delighted to announce further progress in IPP-2011101 development while we believe more than ever that IPP-201101 will significantly improve treatment options and the quality of life for SLE patients. IPP-201101 represents a novel strategy for the treatment of SLE that has demonstrated encouraging potential in initial clinical studies. We are optimistic that the study will proceed well in the coming months and we look forward to reporting on our progress later this year.' For further information please contact: ImmuPharma PLC: Dimitri Dimitriou, Chief Executive +44 20 7152 4080 Officer Dr Robert Zimmer, President & Chief + 33 389 32 76 50 Scientific Officer Richard Warr, Chairman +44 20 7152 4080 Buchanan Communications + 44 20 7466 5000 Lisa Baderoon Rebecca Skye Dietrich Panmure Gordon & Co Andrew Burnett +44 151 243 0963 For company information, visit www.immupharma.com Notes to Editors: About ImmuPharma ImmuPharma PLC is a specialist drug discovery and development company (LSE:IMM). It has research operations in France (ImmuPharma (France) SA) and Switzerland (ImmuPharma AG). ImmuPharma is dedicated to the development of novel drugs, largely based on peptide therapeutics, to treat serious medical conditions such as autoimmune diseases characterised by: * blockbuster potential in niche markets * low promotional costs in few specialised physicians and centres and * lower risk of drug development and lower development costs ImmuPharma is currently developing drug candidates for five different medical conditions, each of which would represent a significant breakthrough in its field. The lead product candidate i targets Lupus, a disease for which there is currently no cure or specific treatment. The other four address cancer, moderate to severe pain (such as that experienced by cancer sufferers and post-operative patients), MRSA and severe hospital-acquired resistant infections and inflammation / allergic disorders. All product candidates have significant sales potential as well as low marketing costs and a relatively low risk of development failure. One or more have the potential to be fast-tracked by the US Food and Drug Administration according to 'Guidance for Industry: Fast Track Drug Development Programs - Designation, Development and Application Review' issued July 2004 and could therefore obtain their market authorization by 2010. Key to the potential success of ImmuPharma is its unique collaborative agreement with Centre National de la Recherche Scientifique, France's scientific research institution. This agreement grants ImmuPharma worldwide exclusive rights to exploit certain key discoveries. In addition to its three leading drug candidates, ImmuPharma has a drug development pipeline using its rights to a virtual chemical library of hundreds of thousands of molecules as well as an innovative technology for converting peptides to drug candidates. ImmuPharma has the option to commercialise its assets itself or to license them to other pharmaceutical companies at an earlier stage. This information is provided by RNS The company news service from the London Stock Exchange

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