( s target of p<0.05) as previously repo...)Further Statistical Analysis of the Recent Phase III trial on Lead,Product M6G Shows Additional Benefits,Health

Implications of these additional data

The significantly reduced sedation seen with M6G provides additional support to our view that M6G is equivalent to morphine in controlling pain but has a superior side-effect profile. This should give clinicians more confidence that patients are less likely to experience sedation with M6G. Sedation is one of the side effects of most concern associated with agents like morphine, along with respiratory depression.

The additional analysis announced today will be used to improve further the designs of the planned US Phase III clinical studies by targeting higher risk patient groups and surgical procedures where the clinical benefits from M6G will be maximised.

Neil Clark, Chief Executive of CeNeS, commented: "This further analysis of the recent Phase III trial data supports our stated goal of delivering M6G to the market as a novel analgesic for post-operative pain that has clearly defined benefits compared to morphine and other opiates. The large body of statistically significant Phase III efficacy and side effect/safety data also suggest that M6G could be uniquely positioned as an opiate analgesic for day case surgery - an additional growing market to the current focus on hospital based post-operative pain.

"It is estimated that at least 277 million units of injectable analgesics were used to treat pain in the United States in 2006. The US post-operative pain market is estimated to be $1.7 billion. CeNeS is confident that M6G will establish a strong position in the large global pain market."

For more information please contact: CeNeS Pharmaceuticals plc Neil Clark, CEO Tel: +44 (0)1223 266 466

JM Finn Geoff Nash Tel: +44(0) 207 628 9688

Financial Dynamics Ben Brewerton/Emma Thompson Tel: + 44 (0) 207 831 3113

About CeNeS Pharmaceuticals CeNeS is a biopharmaceutical company specialising i
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