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    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;</div>
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      Laboratories, Inc., will present at the FTN Midwest Securities 2006 Health
      Care
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      99.1 hereto and is incorporated herein by reference. </font></div>
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&#8220;Exchange Act&#8221;), or otherwise subject to the liabilities of that section. The
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              <div align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Presentation
                by Robert S. Mills, the president and chief executive officer of
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                Conference on June 6, 2006</font></div>
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      duly authorized.</font></div>
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      June 6, 2006</font></div>
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            <td width="1%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: ">&#160;</font></td>
            <td width="49%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: ">&#160;</font></td>
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            <td colspan="2"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: "><strong>COLUMBIA
              LABORATORIES, INC.</strong></font></td>
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            <td><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: ">&#160;<br>&#160;</font></td>
            <td><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: ">&#160;<br>&#160;</font></td>
            <td><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: ">&#160;<br>&#160;</font></td>
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            <td>&#160;</td>
            <td><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: ">By:&#160;&#160;</font></td>
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              L.
              Weinberg</font></td>
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              L. Weinberg</font></td>
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      Index</strong></font></div>
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                No.</strong></font></div>
            </td>
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              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 50.4pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>Description</strong></font></div>
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              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 50.4pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">99.1</font></div>
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              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 9pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Presentation
                by Robert S. Mills, the president and chief executive officer of
                Columbia
                Laboratories, Inc., at the FTN Midwest Securities 2006 Health Care
                Conference on June 6, 2006</font></div>
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SECURITIES
      AND EXCHANGE COMMISSION
WASHINGTON,
      D.C.  20549
FORM
      8-K
CURRENT
      REPORT
Pursuant
      to Section 13 or 15(d) of the Securities Exchange Act of
      1934
DATE
      OF
      REPORT - June 6, 2006
(Date
      of
      Earliest Event Reported)
COLUMBIA
      LABORATORIES, INC.
(Exact
      name of registrant as specified in its charter)
Commission
      File No. 1-10352
Delaware
59-2758596
(State
                of Incorporation)
(I.R.S.
                Employer
Identification
                No.)
354
                Eisenhower Parkway
Livingston,
                New Jersey
07039
(Address
                of principal
executive
                offices)
Zip
                Code
Registrant's
      telephone number, including area code: (973) 994-3999
Check
      the
      appropriate box below if the Form 8-K filing is intended to simultaneously
      satisfy the filing obligation of the registrant under any of the following
      provisions (see General Instruction A.2. below):
o
Written
                communications pursuant to Rule 425 under the Securities Act (17
                CFR
                230.425)
o
Soliciting
                material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
                240.14a-12)
o
Pre-commencement
                communications pursuant to Rule 14d-2(b) under the Exchange Act (17
                CFR
                240.14d-2(b))
o
Pre-commencement
                communications pursuant to Rule 13e-4(c) under the Exchange Act (17
                CFR
                240.13e-4(c))
Item
      7.01.
Regulation
      FD Disclosure.
On
      June
      6, 2006, Robert S. Mills, the president and chief executive officer of Columbia
      Laboratories, Inc., will present at the FTN Midwest Securities 2006 Health
      Care
      Conference in New York City. A copy of the presentation is furnished as Exhibit
      99.1 hereto and is incorporated herein by reference.
The
      information furnished herewith pursuant to Item 7.01 of this Current Report
      and in Exhibit 99.1 hereto shall not be deemed to be "filed" for the purposes of
      Section 18 of the Securities Exchange Act of 1934, as amended (the
"Exchange Act"), or otherwise subject to the liabilities of that section. The
      furnishing of such information is not an admission as to the materiality of
      any
      of the information set forth therein or herein. The information in this
      Item 7.01 and in Exhibit 99.1 hereto shall not be incorporated by reference
      into any registration statement or other document pursuant to the Securities
      Act
      of 1933, as amended, or the Exchange Act, except as shall be expressly set
      forth
      by specific reference in such filing.
Item
      9.01
Financial
      Statements and Exhibits
(d)
Exhibits.
99.1
Presentation
                by Robert S. Mills, the president and chief executive officer of
                Columbia
                Laboratories, Inc., at the FTN Midwest Securities 2006 Health Care
                Conference on June 6, 2006
2
SIGNATURE
Pursuant
      to the requirements of the Securities Exchange Act of 1934, the registrant
      has
      duly caused this report to be signed on its behalf by the undersigned hereunto
      duly authorized.
Date:
      June 6, 2006
COLUMBIA
              LABORATORIES, INC.
By:
/s/ David
              L.
              Weinberg
David
              L. Weinberg
Vice
              President and Chief Financial Officer
3
Exhibit
      Index
Exhibit
                No.
Description
99.1
Presentation
                by Robert S. Mills, the president and chief executive officer of
                Columbia
                Laboratories, Inc., at the FTN Midwest Securities 2006 Health Care
                Conference on June 6, 2006
4