Medco Research
Common Stock
Cusip # 584059109
Item 1 (a). Medco Research
Item 1 (b). 85 TW Alexander Dr.
P.O. Box 13886
Research Triangle Park, NC 27709
Item 2 (a). GW Capital, Inc.
Item 2 (b). 10900 N.E. Eighth St., Suite 235
Bellevue, WA 98004
Item 2 (c). Not Applicable
Item 2 (d). Common Stock
Item 2 (e). 584059109
Item 3 Investment Advisor registered under
section 203 of the Investment
Advisors Act of 1940
Item 4 (a). 607,900
Item 4 (b). 5.8%
Item 4 (c). (i) 607,900
(ii) 0
(iii) 607,900
(iv) 0
Item 5 Not Applicable
Item 6 Not Applicable
Item 7 Not Applicable
Item 8 Not Applicable
Item 9 Not Applicable
Item 10 See Typed Signature Below.
After reasonable inquiry and to the best of my know-
ledge and belief, I certify that the information set
forth in the statement is true, complete and correct.
January 7, 1998
Guy Watanabe
Guy Watanabe - President
