<ARTICLE>                     5
<LEGEND>
THIS  SCHEDULE  CONTAINS  SUMMARY  FINANCIAL   INFORMATION  EXTRACTED  FROM  THE
UNAUDITED   CONDENSED   CONSOLIDATED   FINANCIAL   STATEMENTS  INCLUDED  IN  THE
REGISTRANT'S  FORM 10-Q FOR THE PERIOD ENDED SEPTEMBER 30, 1998 AND IS QUALIFIED
IN ITS ENTIRETY BY REFERENCE TO SUCH FORM 10-Q.
</LEGEND>
<CIK>                         0001012270
<NAME>                        CollaGenex Pharmaceuticals, Inc.
<MULTIPLIER>                                   1,000
<CURRENCY>                                     U.S. Dollars
       
                             
<PERIOD-TYPE>                   9-mos
<FISCAL-YEAR-END>                              DEC-31-1998
<PERIOD-START>                                 JAN-01-1998
<PERIOD-END>                                   SEP-30-1998
<EXCHANGE-RATE>                                1
<CASH>                                         11,296
<SECURITIES>                                   3,984
<RECEIVABLES>                                  80
<ALLOWANCES>                                   0
<INVENTORY>                                    0
<CURRENT-ASSETS>                               15,860
<PP&E>                                         186
<DEPRECIATION>                                 77
<TOTAL-ASSETS>                                 15,982
<CURRENT-LIABILITIES>                          3,379
<BONDS>                                        0
<PREFERRED-MANDATORY>                          0
<PREFERRED>                                    0
<COMMON>                                       86
<OTHER-SE>                                     12,517
<TOTAL-LIABILITY-AND-EQUITY>                   15,982
<SALES>                                        0
<TOTAL-REVENUES>                               408
<CGS>                                          0
<TOTAL-COSTS>                                  9,428
<OTHER-EXPENSES>                               0
<LOSS-PROVISION>                               0
<INTEREST-EXPENSE>                             0
<INCOME-PRETAX>                                (8,215)
<INCOME-TAX>                                   0
<INCOME-CONTINUING>                            (8,215)
<DISCONTINUED>                                 0
<EXTRAORDINARY>                                0
<CHANGES>                                      0
<NET-INCOME>                                   (8,215)
<EPS-PRIMARY>                                  (0.96)
<EPS-DILUTED>                                  (0.96)