In continuation of my update on CH-4051
Chelsea Therapeutics International, Ltd. (Nasdaq:CHTP) announced that a preliminary analysis of its dose-ranging exploratory Phase II trial of CH-4051, a non-metabolized antifolate, in patients with rheumatoid arthritis (RA) who experience an inadequate response to methotrexate (MTX) treatment indicates that CH-4051 did not demonstrate superior efficacy to methotrexate in the dose range evaluated.
"Results of this study provide evidence of the clinical activity of CH-4051, in a dose dependent manner, across multiple RA assessment criteria," commented Dr. Simon Pedder, president and CEO of Chelsea Therapeutics. "However, the outcome of the trial was confounded by the unexpectedly robust response reported by patients treated with methotrexate. While we believe that higher doses of CH-4051 could provide enhanced therapeutic benefit in RA and that CH-4051 could be developed for other anti-inflammatory and autoimmune indications, we believe our current resources would be better allocated toward the planned completion of our Northera™ (droxidopa) development program in neurogenic orthostatic hypotension. Consequently, we have no immediate plans to continue development of CH-4051."
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