SC 13G/A: Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G
(Rule 13d-102)

INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
TO RULES 13d-1(b),(c) AND (d) AND AMENDMENTS THERETO FILED
PURSUANT TO RULE 13d-2(b)
(Amendment No. 1)[1]

Sonus Pharmaceuticals, Inc.
---------------------------
(Name of Issuer)

Common Stock_, $.001 par value
------------------------------
(Title of Class of Securities)

835692 10 4
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(CUSIP Number)

December 31, 2003
-----------------------------------------------------
Date of Event Which Requires Filing of this Statement

Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:

[ ] Rule 13d-1(b)
[X ] Rule 13d-1(c)
[ ] Rule 13d-1(d)

- -----------------

[1]The remainder of this cover page shall be filled out for a
reporting person's initial filing on this form with respect to the subject class
of securities, and for any subsequent amendment containing information which
would alter disclosures provided in a prior cover page. The information required
on the remainder of this cover page shall not be deemed to be "filed" for the
purpose of Section 18 of the Securities Exchange Act of 1934 or otherwise
subject to the liabilities of that section of the Act but shall be subject to
all other provisions of the Act.


CUSIP No. 835692 10 4 Page 2 of 4 Pages

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1) Name of Reporting Person Domain Public Equity Partners, L.P.
I.R.S. Identification
No. of Above Person
(Entities Only)
- --------------------------------------------------------------------------------
2) Check the Appropriate Box (a) [ ]
if a Member of a Group (b) [ ]

- --------------------------------------------------------------------------------
3) SEC Use Only

- --------------------------------------------------------------------------------
4) Citizenship or Place Delaware
of Organization

- --------------------------------------------------------------------------------
Number of 5) Sole Voting 1,395,741 shares
Shares Beneficially Power of Common Stock
Owned by Each (including shares issuable upon
Reporting Person exercise of warrants)
With
6) Shared Voting
Power -0-

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7) Sole Disposi- 1,395,741 shares
tive Power of Common Stock
(including shares issuable upon
exercise of warrants)

--------------------------------------------------
8) Shared
Dispositive Power -0-

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9) Aggregate Amount Beneficially 1,395,741 shares
Owned by Each Reporting person of Common Stock
(including shares issuable upon
exercise of warrants)

- --------------------------------------------------------------------------------
10) Check if the Aggregate
Amount in Row (9)
Excludes Certain Shares

- --------------------------------------------------------------------------------
11) Percent of Class
Represented by 7.6 %
Amount in Row (9)

- --------------------------------------------------------------------------------
12) Type of Reporting Person PN


CUSIP No. 835692 10 4 Page 3 of 4 Pages


Amendment No. 1 to Schedule 13G
-------------------------------

Reference is hereby made to the statement on Schedule 13G filed on
August 6, 2003 (the "Schedule 13G"). Terms defined in the Schedule 13G are used
herein as so defined.

The following Items of the Schedule 13G are hereby amended and
restated as follows:

Item 4 - Ownership.

(a) Amount Beneficially Owned:

1,395,741 shares of Common Stock (including shares issuable upon
exercise of warrants)

(b) Percent of Class:

7.6 %

(c) Number of shares as to which such person has:

(i) sole power to vote or to direct the vote:

1,395,741 shares of Common Stock (including shares issuable upon
exercise of warrants)

(ii) shared power to vote or to direct the vote: -0-

(iii) sole power to dispose or to direct the disposition of:

1,395,741 shares of Common Stock (including shares issuable upon
exercise of warrants)

(iv) shared power to dispose or to direct the disposition of: -0-


CUSIP No. 835692 10 4 Page 4 of 4 Pages

Signature:

After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.

DOMAIN PUBLIC EQUITY PARTNERS, L.P.
By: Domain Public Equity Associates, L.L.C.,
General Partner

By /s/ Nicole Vitullo
-----------------------------------------
Managing Member


Date: January 21, 2003