<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FORM 10Q 6/30/00
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FORM 10Q
</LEGEND>
<CIK> 0000874384
<NAME> CAMBRIDGE NEUROSCIENCE INC.
<MULTIPLIER> 1
<CURRENCY> U.S. DOLLARS

                             
<PERIOD-TYPE>                   3-MOS
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<PERIOD-END>                               JUN-30-2000
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