<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY INFORMATION EXTRACTED FROM THE FINANCIAL
STATEMENTS OF CLINTRIALS RESEARCH INC. FOR THE SIX MONTHS ENDED JUNE 30, 1999
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1999
<PERIOD-START>                             JAN-01-1999
<PERIOD-END>                               JUN-30-1999
<CASH>                                           6,221
<SECURITIES>                                         0
<RECEIVABLES>                                   30,821
<ALLOWANCES>                                         0
<INVENTORY>                                          0
<CURRENT-ASSETS>                                41,665
<PP&E>                                          58,165
<DEPRECIATION>                                  18,369
<TOTAL-ASSETS>                                 118,680
<CURRENT-LIABILITIES>                           26,425
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           180
<OTHER-SE>                                      87,667
<TOTAL-LIABILITY-AND-EQUITY>                   118,680
<SALES>                                              0
<TOTAL-REVENUES>                                48,917
<CGS>                                                0
<TOTAL-COSTS>                                   29,886
<OTHER-EXPENSES>                                22,163
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   8
<INCOME-PRETAX>                                 (2,431)
<INCOME-TAX>                                       357
<INCOME-CONTINUING>                             (2,788)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    (2,788)
<EPS-BASIC>                                    (0.15)
<EPS-DILUTED>                                    (0.15)