Acacia Pharma announces positive results from its Phase 2 study of APD421, in the prevention of post-operative nausea and vomiting (PONV). The study showed that APD421 significantly reduced the incidence of nausea and vomiting compared to placebo in adult surgical patients at moderate-to-high risk of suffering PONV. Vomiting and especially nausea remain a major problem for patients after surgical operations, despite the availability of a number of approved anti-emetics.
APD421 comprises a completely new, patent-protected use of a currently marketed dopamine D2/D3 antagonist for the prevention and treatment of PONV.
The double-blind, Phase 2 study, comparing three doses of APD421 with placebo, was conducted in ten major centres in France, Germany and the USA, and recruited 223 surgical patients with two or more of the four established “Apfel” risk factors for PONV. The primary endpoint was protection against PONV, defined as no vomiting or retching and no requirement for anti-emetic rescue medication in the first 24 hours after surgery. APD421 was highly significantly superior to placebo at preventing PONV, the optimal dose approximately halving the PONV rate, from 67% in the placebo group to 36% (p=0.004). The incidence and severity of nausea were also significantly reduced.
APD421 was very well tolerated at all three dose levels, with no significant difference in the frequency of any adverse event for any dose of APD421 compared to placebo, and no serious adverse reactions. No prolongation of the QT interval was seen with APD421 nor was there any evidence of sedation, psychological symptoms, extrapyramidal toxicity or gastrointestinal disturbance, a clear advantage over many other anti-emetics.
APD421 comprises a completely new, patent-protected use of a currently marketed dopamine D2/D3 antagonist for the prevention and treatment of PONV.
The double-blind, Phase 2 study, comparing three doses of APD421 with placebo, was conducted in ten major centres in France, Germany and the USA, and recruited 223 surgical patients with two or more of the four established “Apfel” risk factors for PONV. The primary endpoint was protection against PONV, defined as no vomiting or retching and no requirement for anti-emetic rescue medication in the first 24 hours after surgery. APD421 was highly significantly superior to placebo at preventing PONV, the optimal dose approximately halving the PONV rate, from 67% in the placebo group to 36% (p=0.004). The incidence and severity of nausea were also significantly reduced.
APD421 was very well tolerated at all three dose levels, with no significant difference in the frequency of any adverse event for any dose of APD421 compared to placebo, and no serious adverse reactions. No prolongation of the QT interval was seen with APD421 nor was there any evidence of sedation, psychological symptoms, extrapyramidal toxicity or gastrointestinal disturbance, a clear advantage over many other anti-emetics.
Ref : http://www.acaciapharma.com/index.php/news/acacia_pharma_announces_excellent_phase_ii_results_for_apd421_in_ponv
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