<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, 1999 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-31-1999
<PERIOD-START>                                 Jan-01-1999
<PERIOD-END>                                   Sep-30-1999
<EXCHANGE-RATE>                                1
<CASH>                                         17,310
<SECURITIES>                                   0
<RECEIVABLES>                                  1,752
<ALLOWANCES>                                   393
<INVENTORY>                                    696
<CURRENT-ASSETS>                               20,030
<PP&E>                                         850
<DEPRECIATION>                                 253
<TOTAL-ASSETS>                                 20,666
<CURRENT-LIABILITIES>                          5,152
<BONDS>                                        0
<PREFERRED-MANDATORY>                          0
<PREFERRED>                                    2
<COMMON>                                       86
<OTHER-SE>                                     15,293
<TOTAL-LIABILITY-AND-EQUITY>                   20,666
<SALES>                                        9,839
<TOTAL-REVENUES>                               10,201
<CGS>                                          2,113
<TOTAL-COSTS>                                  23,138
<OTHER-EXPENSES>                               2
<LOSS-PROVISION>                               0
<INTEREST-EXPENSE>                             192
<INCOME-PRETAX>                                (12,516)
<INCOME-TAX>                                   0
<INCOME-CONTINUING>                            (12,516)
<DISCONTINUED>                                 0
<EXTRAORDINARY>                                0
<CHANGES>                                      0
<NET-INCOME>                                   (12,516)
<EPS-BASIC>                                  (1.53)
<EPS-DILUTED>                                  (1.53)