<HTML><HEAD>
<TITLE>
</TITLE>
</HEAD><BODY id=38 bgColor=#ffffff>
<DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=center><FONT
style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><STRONG>SECURITIES
AND EXCHANGE COMMISSION</STRONG></FONT></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=center><FONT
style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><STRONG>WASHINGTON,
D.C. 20549</STRONG></FONT></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=justify>&nbsp;</DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=center><FONT
style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">__________________</FONT></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=justify>&nbsp;</DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=center><FONT
style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><STRONG>FORM
8-K</STRONG></FONT></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=justify>&nbsp;</DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=center><FONT
style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><STRONG>CURRENT
REPORT</STRONG></FONT></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=justify>&nbsp;</DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=center><FONT
style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><STRONG>PURSUANT
TO SECTION 13 OR 15(d) of the</STRONG></FONT></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=center><FONT
style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><STRONG>SECURITIES
EXCHANGE ACT OF 1934</STRONG></FONT></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=justify>&nbsp;</DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=center><FONT
style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Date of
Report (Date of Earliest Event Reported): May 13, 2005</FONT></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=justify>&nbsp;</DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=justify>&nbsp;</DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=center><FONT
style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><STRONG><U>ENTROPIN,
INC.</U></STRONG></FONT></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=center><FONT
style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(Exact
Name of Registrant as Specified in Charter)</FONT></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=center><BR>&nbsp;</DIV>
<DIV align=left>
<TABLE cellSpacing=0 cellPadding=0 width="100%">
  <TR>
    <TD style="BORDER-BOTTOM: medium none" vAlign=bottom align=middle
    width="34%">
      <DIV
      style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
      align=center><FONT
      style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><STRONG><U>Delaware</U></STRONG></FONT></DIV></TD>
    <TD style="BORDER-BOTTOM: medium none" vAlign=bottom align=middle
    width="32%">
      <DIV
      style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
      align=center><FONT
      style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><STRONG><U>000-29807</U></STRONG></FONT></DIV></TD>
    <TD style="BORDER-BOTTOM: medium none" vAlign=bottom align=middle
    width="34%">
      <DIV
      style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
      align=center><FONT
      style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><STRONG><U>68-0510827</U></STRONG></FONT></DIV></TD></TR>
  <TR>
    <TD vAlign=bottom align=middle width="34%">
      <DIV
      style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
      align=center><FONT
      style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(State
      or other jurisdiction <FONT
      style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">of
      incorporation)</FONT></FONT></DIV></TD>
    <TD vAlign=bottom align=middle width="32%">
      <DIV
      style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
      align=center><FONT
      style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(Commission
      <FONT
      style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">File
      Number)</FONT></FONT></DIV></TD>
    <TD vAlign=bottom align=middle width="34%">
      <DIV
      style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
      align=center><FONT
      style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(IRS
      Employer <FONT
      style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Identification
      No.)</FONT></FONT></DIV></TD></TR></TABLE></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=left><BR></DIV>
<DIV align=left>
<TABLE cellSpacing=0 cellPadding=0 width="100%">
  <TR>
    <TD style="BORDER-BOTTOM: medium none" vAlign=bottom align=middle
    width="66%">
      <DIV
      style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
      align=center><FONT
      style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><STRONG>13314
      Lost Key Place, Bradenton, Florida</STRONG></FONT></DIV></TD>
    <TD style="BORDER-BOTTOM: medium none" vAlign=bottom align=middle
    width="34%">
      <DIV
      style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
      align=center><FONT
      style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><STRONG>34202</STRONG></FONT></DIV></TD></TR>
  <TR>
    <TD vAlign=bottom align=middle width="66%">
      <DIV
      style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
      align=center><FONT
      style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(Address
      of principal executive offices)</FONT></DIV></TD>
    <TD vAlign=bottom align=middle width="34%">
      <DIV
      style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
      align=center><FONT
      style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(Zip
      code)</FONT></DIV></TD></TR>
  <TR>
    <TD vAlign=bottom align=middle width="66%">&nbsp;</TD>
    <TD vAlign=bottom align=middle width="34%">&nbsp;</TD></TR>
  <TR>
    <TD style="BORDER-BOTTOM: medium none" vAlign=bottom align=middle
    width="66%">
      <DIV
      style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
      align=center><FONT
      style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><STRONG>(941)
      388-9512</STRONG></FONT></DIV></TD>
    <TD style="BORDER-BOTTOM: medium none" vAlign=bottom align=middle
    width="34%">&nbsp;</TD></TR>
  <TR>
    <TD vAlign=bottom align=middle width="66%">
      <DIV
      style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
      align=center><FONT
      style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Registrant&#8217;s
      telephone number, including area code</FONT></DIV></TD>
    <TD vAlign=bottom align=middle width="34%">&nbsp;</TD></TR>
  <TR>
    <TD vAlign=bottom align=middle width="66%">&nbsp;</TD>
    <TD vAlign=bottom align=middle width="34%">&nbsp;</TD></TR></TABLE></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=left><BR></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=justify>&nbsp;</DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=center><FONT
style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><STRONG><U>45926
Oasis Street, Indio, California 92201</U></STRONG></FONT></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=center><FONT
style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(Former
Name or Former Address, If Changed Since Last Report)</FONT></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=justify>&nbsp;</DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=center><BR></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=justify>&nbsp;</DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=justify><FONT
style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">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:</FONT></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=justify>&nbsp;</DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=justify>&nbsp;</DIV>
<DIV align=center>
<TABLE cellSpacing=0 cellPadding=0 width="100%" bgColor=#ffffff border=0>
  <TR bgColor=#ffffff>
    <TD width="5%"><FONT face=Wingdings>o</FONT></TD>
    <TD width="95%"><FONT size=2>Written communications pursuant to Rule 425
      under the Securities Act (17 CFR 230.425)</FONT></TD></TR>
  <TR bgColor=#ffffff>
    <TD width="5%">&nbsp;</TD>
    <TD width="95%">&nbsp;</TD></TR>
  <TR bgColor=#ffffff>
    <TD width="5%"><FONT face=Wingdings>o</FONT></TD>
    <TD width="95%"><FONT size=2>Soliciting material pursuant to Rule 14a-12
      under the Exchange Act (17 CFR 240.14a-12)</FONT></TD></TR>
  <TR bgColor=#ffffff>
    <TD width="5%">&nbsp;</TD>
    <TD width="95%">&nbsp;</TD></TR>
  <TR bgColor=#ffffff>
    <TD width="5%"><FONT face=Wingdings>o</FONT></TD>
    <TD width="95%"><FONT size=2>Pre-commencement communications pursuant to
      Rule 14d-2(b) under the Exchange
      Act&nbsp;(17&nbsp;CFR&nbsp;240.14d-2(b))</FONT></TD></TR>
  <TR bgColor=#ffffff>
    <TD width="5%">&nbsp;</TD>
    <TD width="95%">&nbsp;</TD></TR>
  <TR bgColor=#ffffff>
    <TD width="5%"><FONT face=Wingdings>o</FONT></TD>
    <TD width="95%">
      <DIV
      style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
      align=justify><FONT
      style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Pre-commencement
      communications pursuant to Rule 13e-4(c) under the Exchange
      Act&nbsp;(17&nbsp;CFR&nbsp;240.13e-4(c))</FONT></DIV></TD></TR></TABLE></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=justify><FONT
style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><STRONG></STRONG></FONT>&nbsp;</DIV>
<DIV id=PGBRK style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
<DIV id=FTR>
<DIV id=GLFTR style="WIDTH: 100%" align=left><FONT
style="DISPLAY: inline; FONT-SIZE: 8pt; COLOR: #000000; FONT-FAMILY: Times New Roman"></FONT></DIV></DIV>
<DIV id=PN style="PAGE-BREAK-AFTER: always">
<DIV style="WIDTH: 100%; TEXT-ALIGN: center"><FONT
style="DISPLAY: inline; FONT-SIZE: 8pt" face="Times New Roman"></FONT></DIV>
<DIV style="WIDTH: 100%; TEXT-ALIGN: center">
<HR color=#000000 noShade SIZE=2>
</DIV></DIV>
<DIV id=HDR>
<DIV id=GLHDR style="WIDTH: 100%" align=right><FONT
style="DISPLAY: inline; FONT-SIZE: 8pt; COLOR: #000000; FONT-FAMILY: Times New Roman"></FONT></DIV></DIV></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=justify><FONT
style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><STRONG>Item
5.02 Departure of Directors or Principal Officers; Election of Directors;
Appointment of Principal Officers</STRONG></FONT></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=justify>&nbsp;</DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=justify><FONT
style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">On May
13, 2005, the Board of Directors (the &#8220;Board&#8221;) of Entropin, Inc., a Delaware
corporation (the &#8220;Company&#8221;) appointed Mr. Jeffrey Ploen and Mr. David Norris to
the Board.</FONT></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=justify>&nbsp;</DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=justify><FONT
style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Following
these appointments, Drs. Higgins D. Bailey, Randall L. Carpenter and Thomas G.
Tachovsky and Messrs. David M. Chapman, Joseph R. Ianelli, Paul V. Maier and
Bruce R. Manning resigned from the Board, with each resignation to be effective
immediately following the Board meeting held on May 13, 2005. Dr. Bailey served
on the Company&#8217;s Executive Committee. Dr. Carpenter served on the Company&#8217;s
Scientific Committee. Dr. Tachovsky served on the Company&#8217;s Executive and
Scientific Committees. Mr. Chapman served on the Company&#8217;s Nominating and
Corporate Governance Committee. Mr. Ianelli served on the Company&#8217;s Audit,
Executive Compensation and Nominating and Corporate Governance Committees.
Mr.&nbsp;Maier served on the Company&#8217;s Audit and Nominating and Corporate
Governance Committees. Mr. Manning served on the Company&#8217;s Audit, Scientific and
Compensation Committees. Dr. Bailey and Mr.&nbsp;Ianelli also resigned from
their offices of Chairman of the Board and Vice Chairman of the Board,
respectively, to be effective <FONT
style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">May 13,
2005</FONT>. None of these resignations were related to any disagreement between
the director and the Company on any matter relating to the Company&#8217;s operations,
policies or practices.</FONT></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=justify>&nbsp;</DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=justify><FONT
style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Mr.
Norris is the Executive Vice President of Bottom Line Advisors Inc., a position
he has held since August of 1997. Bottom Line Advisors is a private consulting
firm that offers a variety of consulting, management and financing services.
Bottom Line specializes in Corporate Governance, Mergers &amp; Acquisitions and
Sarbanes-Oxley compliance. Mr.&nbsp;Norris served as a Director of Alliance
Towers, Inc., a publicly traded company from September 2003 until March 2004.
Mr.&nbsp;Norris received his B.A. degree from SUNY at Oneonta and is a graduate
of the Stonier Graduate School of Banking at Rutgers University.</FONT></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=justify>&nbsp;</DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=justify><FONT
style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Mr. Jeff
Ploen was a registered representative in the Securities Industry with various
broker-dealers from 1972 through 1994. From 1995 to present Mr. Ploen has been
the President and Financial Director of J. Paul Consulting Corporation, a
marketing company for micro-cap stocks. From 2003-2004, Mr. Ploen served as the
President and Director of Paradigm Holdings, Inc. Mr.&nbsp;Ploen is currently
the President and Director of Tonga Capital Corporation.</FONT></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=justify>&nbsp;</DIV>
<DIV id=PGBRK style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
<DIV id=FTR>
<DIV id=GLFTR style="WIDTH: 100%" align=left><FONT
style="DISPLAY: inline; FONT-SIZE: 8pt; COLOR: #000000; FONT-FAMILY: Times New Roman"></FONT></DIV></DIV>
<DIV id=PN style="PAGE-BREAK-AFTER: always">
<DIV style="WIDTH: 100%; TEXT-ALIGN: center"><FONT
style="DISPLAY: inline; FONT-SIZE: 8pt" face="Times New Roman">2</FONT></DIV>
<DIV style="WIDTH: 100%; TEXT-ALIGN: center">
<HR color=#000000 noShade SIZE=2>
</DIV></DIV>
<DIV id=HDR>
<DIV id=GLHDR style="WIDTH: 100%" align=right><FONT
style="DISPLAY: inline; FONT-SIZE: 8pt; COLOR: #000000; FONT-FAMILY: Times New Roman"></FONT></DIV></DIV></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=center><FONT
style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><STRONG>SIGNATURES</STRONG></FONT></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=justify>&nbsp;</DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=justify><FONT
style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">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.</FONT></DIV>
<DIV
style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
align=justify>&nbsp;</DIV>
<DIV>
<TABLE cellSpacing=0 cellPadding=0 width="100%">
  <TR>
    <TD vAlign=top align=left width="42%">
      <DIV
      style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
      align=left><FONT
      style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Date:</FONT><FONT
      id=TAB2 style="COLOR: black; LETTER-SPACING: 27pt">&nbsp;</FONT><FONT
      style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">May
      18, 2005</FONT></DIV></TD>
    <TD vAlign=top align=left width="42%">
      <DIV
      style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
      align=left><FONT
      style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><STRONG>ENTROPIN,
      INC.</STRONG></FONT></DIV></TD></TR>
  <TR>
    <TD vAlign=top align=left width="42%">&nbsp;</TD>
    <TD vAlign=top align=left width="42%">&nbsp;</TD></TR>
  <TR>
    <TD style="BORDER-BOTTOM: medium none" vAlign=top align=left
    width="42%">&nbsp;</TD>
    <TD style="BORDER-BOTTOM: medium none" vAlign=top align=left width="42%">
      <DIV
      style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
      align=left><FONT
      style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">By:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
      </FONT><FONT
      style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><U>/s/
      David
      Norris&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
      </U></FONT></DIV></TD></TR>
  <TR>
    <TD vAlign=top align=left width="42%">&nbsp;</TD>
    <TD vAlign=top align=left width="42%">
      <DIV
      style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt"
      align=left><FONT
      style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Name:</FONT><FONT
      id=TAB2 style="COLOR: black; LETTER-SPACING: 27pt">&nbsp;</FONT><FONT
      style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">David
      Norris</FONT></DIV></TD></TR>
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{"company-data": {"conformed-name": "ENTROPIN INC", "cik": "0000837600", "assigned-sic": "2833", "irs-number": "841090424", "state-of-incorporation": "CO", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "000-29807", "film-number": "05845517"}, "business-address": {"street1": "45926 OASIS STREET", "street2": "SUITE 810", "city": "INDIO", "state": "CA", "zip": "92201", "phone": "8183402323"}, "mail-address": {"street1": "45926 OASIS STREET", "street2": "SUITE 810", "city": "INDIO", "state": "CA", "zip": "92201"}, "former-company": {"former-conformed-name": "VANDEN CAPITAL GROUP INC", "date-changed": "19920703"}}
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 (Date of Earliest Event Reported): May 13, 2005
ENTROPIN,
INC.
(Exact
Name of Registrant as Specified in Charter)
Delaware
000-29807
68-0510827
(State
      or other jurisdiction
of
      incorporation)
(Commission
File
      Number)
(IRS
      Employer
Identification
      No.)
13314
      Lost Key Place, Bradenton, Florida
34202
(Address
      of principal executive offices)
(Zip
      code)
(941)
      388-9512
Registrant's
      telephone number, including area code
45926
Oasis Street, Indio, California 92201
(Former
Name or Former Address, If Changed Since Last Report)
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:
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
5.02 Departure of Directors or Principal Officers; Election of Directors;
Appointment of Principal Officers
On May
13, 2005, the Board of Directors (the "Board") of Entropin, Inc., a Delaware
corporation (the "Company") appointed Mr. Jeffrey Ploen and Mr. David Norris to
the Board.
Following
these appointments, Drs. Higgins D. Bailey, Randall L. Carpenter and Thomas G.
Tachovsky and Messrs. David M. Chapman, Joseph R. Ianelli, Paul V. Maier and
Bruce R. Manning resigned from the Board, with each resignation to be effective
immediately following the Board meeting held on May 13, 2005. Dr. Bailey served
on the Company's Executive Committee. Dr. Carpenter served on the Company's
Scientific Committee. Dr. Tachovsky served on the Company's Executive and
Scientific Committees. Mr. Chapman served on the Company's Nominating and
Corporate Governance Committee. Mr. Ianelli served on the Company's Audit,
Executive Compensation and Nominating and Corporate Governance Committees.
Mr. Maier served on the Company's Audit and Nominating and Corporate
Governance Committees. Mr. Manning served on the Company's Audit, Scientific and
Compensation Committees. Dr. Bailey and Mr. Ianelli also resigned from
their offices of Chairman of the Board and Vice Chairman of the Board,
respectively, to be effective
May 13,
2005
. None of these resignations were related to any disagreement between
the director and the Company on any matter relating to the Company's operations,
policies or practices.
Mr.
Norris is the Executive Vice President of Bottom Line Advisors Inc., a position
he has held since August of 1997. Bottom Line Advisors is a private consulting
firm that offers a variety of consulting, management and financing services.
Bottom Line specializes in Corporate Governance, Mergers & Acquisitions and
Sarbanes-Oxley compliance. Mr. Norris served as a Director of Alliance
Towers, Inc., a publicly traded company from September 2003 until March 2004.
Mr. Norris received his B.A. degree from SUNY at Oneonta and is a graduate
of the Stonier Graduate School of Banking at Rutgers University.
Mr. Jeff
Ploen was a registered representative in the Securities Industry with various
broker-dealers from 1972 through 1994. From 1995 to present Mr. Ploen has been
the President and Financial Director of J. Paul Consulting Corporation, a
marketing company for micro-cap stocks. From 2003-2004, Mr. Ploen served as the
President and Director of Paradigm Holdings, Inc. Mr. Ploen is currently
the President and Director of Tonga Capital Corporation.
2
SIGNATURES
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:
May
      18, 2005
ENTROPIN,
      INC.
By:
/s/
      David
      Norris
Name:
David
      Norris
Title:
President
3