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                                                                   Exhibit 10.7

        This assignment is made by Dr. Alfred T. Sapse, M.D. residing at 3525
Leor Court, Las Vegas, Nevada 89121, ("ASSIGNOR") to Steroidogenesis Inhibitors
International, a corporation organized under the laws of the State of Nevada and
having an office at 101 Convention Center Drive, Suite 310, Las Vegas, Nevada
89109 ("ASSIGNEE").

         FOR ONE U.S. DOLLAR ($1.00) AND FOR OTHER GOOD AND VALUABLE
CONSIDERATION, the receipt of which is hereby acknowledged, ASSIGNOR does hereby
sell, assign and transfer to ASSIGNEE the entire right, title and interest,
together with all rights of priority, in and to my invention entitled CIRCADIAN
RHYTHM CORTISOL CHART AND METHODS OF USE, as described and/or claimed in an
application for patent of the United States of America, Serial No. ________. A
declaration for the application has been executed on ________________.
ASSIGNOR further does hereby sell, assign
and transfer to ASSIGNEE the entire right, title and interest, together with all
rights of priority, in and to ASSIGNOR'S invention as described and/or claimed
in any and all applications for patents based on the invention, including
divisionals, continuations, renewals, substitutes and reissues thereof, and all
rights of priority resulting from any of these patent applications, as well as
all foreign counterparts and extensions thereof, together with all patents
issuing on any of these applications for the full terms of all of the patents
which may be granted on the invention.

        ASSIGNOR HEREBY AUTHORIZES ASSIGNEE to make applications for, to
prosecute such applications, and to receive patents for the invention in the
United States and any foreign countries, in ASSIGNEE's name.

        ASSIGNOR HEREBY PROMISES AND AGREES that ASSIGNOR will execute or
procure any further necessary assurance of title to the invention and any
patents which may issue on the invention. ASSIGNOR will, at any time, upon the
request and without further consideration, but at the expense of ASSIGNEE,
deliver any testimony in any legal proceedings and execute all papers and do all
other things that may be necessary or desirable to perfect the title to the
invention, or any patents which may be granted therefor, in ASSIGNEE, its
successors, assigns, or other legal representatives. ASSIGNOR will, at any time,
upon the request and at the expense of ASSIGNEE, execute any continuations,
divisionals, reissues, or any other additional applications for patents for the
invention or any part or parts thereof and any patents issuing thereon are
hereby assigned to ASSIGNEE. ASSIGNOR will make all rightful oaths, and do all
lawful acts required for procuring and enforcing any of the patents, without
further compensation, but at the expense of ASSIGNEE, its successors, assigns or
other legal representatives.

        ASSIGNOR HEREBY AUTHORIZES AND REQUESTS the Commissioner of Patents and
Trademarks to issue any and all Letters Patent of the United States for the
invention, resulting from any of the aforesaid applications to the ASSIGNEE.

                                             Dr. Alfred T. Sapse, M.D., ASSIGNOR

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STATE OF NEVADA         :
                        :       SS:
COUNTY OF CLARK         :

        Before me personally appeared Dr. Alfred T. Sapse, M.D., to me known to
be the same person described in and who executed the foregoing instrument, and
acknowledged that he executed the same, of his own free will and for the
purposes set forth.

         Sworn to before me and subscribed in my presence this 15th of July,
1999.

                                                        Sarah H. Thompson
                                                        Notary Public

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