<ARTICLE> 5 <CIK> 0000874443 <NAME> GENELABS TECHNOLOGIES, INC./CA <MULTIPLIER> 1,000 <CURRENCY> U.S. DOLLARS <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-START> JAN-01-1999 <PERIOD-END> SEP-30-1999 <EXCHANGE-RATE> 1 <CASH> 1,729 <SECURITIES> 9,403 <RECEIVABLES> 305 <ALLOWANCES> 0 <INVENTORY> 0 <CURRENT-ASSETS> 11,702 <PP&E> 9,819 <DEPRECIATION> 8,080 <TOTAL-ASSETS> 17,348 <CURRENT-LIABILITIES> 6,278 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 9,682 <COMMON> 138,823 <OTHER-SE> (138,085)<F1> <TOTAL-LIABILITY-AND-EQUITY> 17,348 <SALES> 0 <TOTAL-REVENUES> 6,142 <CGS> 0 <TOTAL-COSTS> 0 <OTHER-EXPENSES> 13,624<F2> <LOSS-PROVISION> 0 <INTEREST-EXPENSE> (399) <INCOME-PRETAX> (7,083) <INCOME-TAX> 0 <INCOME-CONTINUING> (7,083) <DISCONTINUED> (700) <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (7,783) <EPS-BASIC> (0.20) <EPS-DILUTED> (0.20) <FN> <F1>CONSISTS OF ACCUMULATED DEFICIT AND ACCUMULATED OTHER COMPREHENSIVE INCOME. <F2>CONSISTS OF RESEARCH AND DEVELOPMENT, AND GENERAL AND ADMINISTRATIVE EXPENSES. </FN>