CONSENT OF INDEPENDENT ACCOUNTING FIRM
Published on August 26, 2009
EXHIBIT 23.1
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CONSENT
OF INDEPENDENT PUBLIC ACCOUNTING
FIRM
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We have
issued our report dated August 25, 2009, with respect to the consolidated
financial statements of MacroChem Corporation as of December 31, 2008 and for
the year then ended included in the Current Report on Form 8-K/A of Access
Pharmaceuticals, Inc. filed August 26, 2009. We hereby consent to the
incorporation by reference of said report in the Registration Statements of
Access Pharmaceuticals, Inc. on Form S-1 (File Nos. 333-149633, 333-125349, and
333-135734), Form S-3 (File Nos. 333-92210, 333-39330, 333-37786, 333-52030,
333-95413, 333-64904, and 333-113909), Form S-4 (File Nos. 333-155885 and
333-143587), and Form S-8 (File Nos. 333-45646, 333-75136, 333-125796, and
333-114269).
/s/ Whitley Penn LLP
Dallas,
Texas
August
25, 2009