For Immediate Release
- --------------------------------------------------------------------------------

Contact:
Mark L. Weinstein
President & Chief Executive Officer
Tel: (267) 757-1360


BIO-IMAGING TECHNOLOGIES, INC. ACQUIRES QUINTILES' INTELLIGENT IMAGING BUSINESS

Newtown, Pa., (October 29, 2001)-- Bio-Imaging Technologies, Inc. (OTC BB: BITI)
announced  today that they have purchased the  Intelligent  Imaging  business of
Quintiles Transnational Corp. (Nasdaq: QTRN). Intelligent Imaging specializes in
providing  digital medical  imaging  services for clinical trials and the health
care industry.

Financial  terms  were not  disclosed.  All of  Quintiles'  Intelligent  Imaging
employees became employees of Bio-Imaging as part of this transaction.

In  commenting  on the  acquisition,  Mark L.  Weinstein,  president  and  chief
executive   officer  of  Bio-Imaging  said,  "We  are  very  excited  about  the
Intelligent  Imaging  personnel  becoming part of Bio-Imaging.  This combination
brings together the two most  experienced  companies in providing  medical image
management for  pharmaceutical  clinical  trials.  Over the last three years the
revenues  of  Bio-Imaging  have grown by  approximately  100%.  The  experienced
personnel from  Intelligent  Imaging will be a key component in maintaining  the
high level of service as we grow our business

Mr. Weinstein added, "As an independent  central imaging lab,  Bio-Imaging works
with  the  worlds  leading  pharmaceutical,  biotechnology  and  medical  device
companies.  Over the past two years,  the company  strategy  has been to provide
additional growth through  relationships  with contract  research  organizations
(CROs), to partner with them on issues involved with utilizing imaging core labs
and to provide service to their customers..

Joseph  J.  Colatuno,   President,   Clinical  Development  Services,  Quintiles
Americas, said: "Following a thorough assessment of the imaging business and the
needs of our customers, we believe the combined resources of Intelligent Imaging
and  Bio-Imaging  will provide  customers  with access to even stronger  medical
imaging  capabilities  by providing  additional  service  depth and breadth on a
global basis. Bio-Imaging has a great reputation in the marketplace,  and we are
pleased that Quintiles'  imaging expertise will be combined with a high quality,
dedicated provider of imaging services."





Intelligent  Imaging's services include image data management,  data translation
and  digitization for submission of medical image data to the U.S. Food and Drug
Administration and clinical sponsors using proprietary interactive software. The
business  unit's  technology  supports a wide  variety  of medical  information,
X-rays,  magnetic  resonance imaging (MRI),  computed  tomography (CT),  nuclear
medicine, PET, ultrasound scans, and photographs.

Bio-Imaging Technologies, Inc. is a pharmaceutical contract service organization
providing  services  that  support  the  product   development  process  of  the
pharmaceutical,  biotechnology  and medical device  industries.  The Company has
specialized  in  assisting  its  clients  in the design  and  management  of the
medical-imaging  component of clinical  trials since 1990. In 2000,  Bio-Imaging
announced  the formation of a new  division,  Bio-Imaging,  ETC., to address the
education,  training  and  certification  needs of  medical-imaging  facilities,
personnel  and  equipment.  Bio-Imaging  serves its  clients  on a global  basis
through its Corporate  headquarters  (Newtown,  PA), U.S.  Business Offices (New
Jersey,  Massachusetts,  California  and  Washington)  and its  European  office
(Leiden, The Netherlands).

Certain matters discussed in this press release are "forward-looking statements"
intended to qualify  for the safe  harbors  from  liability  established  by the
Private Securities  Litigation Reform Act of 1995. In particular,  the Company's
statements  regarding trends in the marketplace and potential future results are
examples of such  forward-looking  statements.  The  forward-looking  statements
include risks and uncertainties,  including, but not limited to, integrating the
Intelligent Imaging business into the operations of the Company, fluctuations in
quarterly results,  the timing of projects due to the variability in size, scope
and duration of projects,  regulatory delays,  clinical study results which lead
to reductions or cancellations of projects, and other factors, including general
economic  conditions  and  regulatory  developments,  not within  the  Company's
control.  The factors  discussed  herein and expressed  from time to time in the
Company's filings with the Securities and Exchange Commission could cause actual
results and  developments to be materially  different from those expressed in or
implied by such statements.  The forward-looking  statements are made only as of
the date of this press  release  and the Company  undertakes  no  obligation  to
publicly update such forward-looking  statements to reflect subsequent events or
circumstances.