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    <title>Recent Press Releases</title>
    <link>http://www.hyperiontx.com</link>
    <description></description>
    <dc:publisher>Hyperion, Inc.</dc:publisher>
    <item>
      <title>Hyperion Therapeutics Enrolls First Patient in Phase II Hepatic Encephalopathy Trial</title>
      <link>http://www.hyperiontx.com/press/release/pr_1259805691</link>
      <description>Hyperion Therapeutics today announced that the first patient has been enrolled in its phase II clinical...</description>
      <pubdate>Wed, 31 Dec 1969 16:33:29 -0800</pubdate>
      <author></author>
    </item>
    <item>
      <title>Hyperion Therapeutics Announces First Patient Enrolled in Pivotal Trial in Patients with Urea Cycle Disorders</title>
      <link>http://www.hyperiontx.com/press/release/pr_1256607501</link>
      <description>Hyperion Therapeutics today announced that the first patient has been enrolled in its pivotal phase III...</description>
      <pubdate>Wed, 31 Dec 1969 16:33:29 -0800</pubdate>
      <author></author>
    </item>
    <item>
      <title>Hyperion Therapeutics to Present at UBS 2009 Global Life Sciences Conference</title>
      <link>http://www.hyperiontx.com/press/release/pr_1253283700</link>
      <description>&#xD;
Hyperion Therapeutics, Inc. today announced that Donald Santel, Chief Executive Officer, will present...</description>
      <pubdate>Wed, 31 Dec 1969 16:33:29 -0800</pubdate>
      <author></author>
    </item>
    <item>
      <title>HYPERION THERAPEUTICS RECEIVES ORPHAN DRUG DESIGNATION FOR HPN-100 FOR THE TREATMENT OF HEPATIC ENCEPHALOPATHY</title>
      <link>http://www.hyperiontx.com/press/release/pr_1253144476</link>
      <description>Hyperion Therapeutics, Inc. today announced that its investigational product HPN-100 (glycerol phenylbutyrate)...</description>
      <pubdate>Wed, 31 Dec 1969 16:33:29 -0800</pubdate>
      <author></author>
    </item>
    <item>
      <title>Hyperion Therapeutics Announces First Patient Enrolled in Trial in Children with Urea Cycle Disorders</title>
      <link>http://www.hyperiontx.com/press/release/pr_1252950110</link>
      <description>&#xD;
&#xD;
Hyperion Therapeutics today announced that the first patient has been enrolled in a clinical trial...</description>
      <pubdate>Wed, 31 Dec 1969 16:33:29 -0800</pubdate>
      <author></author>
    </item>
    <item>
      <title>Hyperion Therapeutics Receives Special Protocol Assessment Approval from FDA for Pivotal Phase III Trial in Urea Cycle Disorders</title>
      <link>http://www.hyperiontx.com/press/release/pr_1246940371</link>
      <description>Hyperion Therapeutics today announced that it has reached agreement with the U.S. Food and Drug Administration...</description>
      <pubdate>Wed, 31 Dec 1969 16:33:29 -0800</pubdate>
      <author></author>
    </item>
    <item>
      <title>Hyperion Therapeutics Raises $60 Million Series C</title>
      <link>http://www.hyperiontx.com/press/release/pr_1246304166</link>
      <description>Hyperion Therapeutics, a privately held specialty pharmaceutical company focused on the development of...</description>
      <pubdate>Wed, 31 Dec 1969 16:33:29 -0800</pubdate>
      <author></author>
    </item>
    <item>
      <title>Hyperion Therapeutics Announces Results of Phase I Study in Patients with Liver Cirrhosis </title>
      <link>http://www.hyperiontx.com/press/release/pr_1243891161</link>
      <description>Hyperion Therapeutics, Inc. today announced top-line results from a phase I study of HPN-100 in patients...</description>
      <pubdate>Wed, 31 Dec 1969 16:33:29 -0800</pubdate>
      <author></author>
    </item>
    <item>
      <title>Hyperion Therapeutics Receives Orphan Drug Designation for HPN-100 for the Treatment of Urea Cycle Disorders</title>
      <link>http://www.hyperiontx.com/press/release/pr_1241489052</link>
      <description>Hyperion Therapeutics, Inc. today announced that HPN-100 has received orphan product designation from...</description>
      <pubdate>Wed, 31 Dec 1969 16:33:29 -0800</pubdate>
      <author></author>
    </item>
    <item>
      <title>Hyperion Therapeutics Announces Results for Phase II Study in Urea Cycle Disorders</title>
      <link>http://www.hyperiontx.com/press/release/pr_1238518388</link>
      <description>Hyperion Therapeutics, Inc. today announced top-line results from their phase II study of HPN-100 for...</description>
      <pubdate>Wed, 31 Dec 1969 16:33:29 -0800</pubdate>
      <author></author>
    </item>
    <item>
      <title>Hyperion Therapeutics Completes Phase 2 Data Analysis and Schedules End of Phase 2 Meeting with FDA for HPN-100 in the Chronic Treatment of Urea Cycle Disorders</title>
      <link>http://www.hyperiontx.com/press/release/pr_1226428834</link>
      <description>Hyperion Therapeutics, Inc. today reported completion of data analysis for its Phase 2 clinical trial...</description>
      <pubdate>Wed, 31 Dec 1969 16:33:28 -0800</pubdate>
      <author></author>
    </item>
    <item>
      <title>Hyperion Therapeutics Completes Enrollment in Phase 1/2 Clinical Trial in Patients with Urea Cycle Disorders</title>
      <link>http://www.hyperiontx.com/press/release/pr_1216664468</link>
      <description>&#xD;
Hyperion Therapeutics, Inc. today announced that it has completed patient enrollment in its Phase 1/2...</description>
      <pubdate>Wed, 31 Dec 1969 16:33:28 -0800</pubdate>
      <author></author>
    </item>
    <item>
      <title>Hyperion Therapeutics Names Bruce F. Scharschmidt CMO</title>
      <link>http://www.hyperiontx.com/press/release/pr_1209163723</link>
      <description>Hyperion Therapeutics, Inc. today announced that it has named Bruce F. Scharschmidt, MD as Chief Medical...</description>
      <pubdate>Wed, 31 Dec 1969 16:33:28 -0800</pubdate>
      <author></author>
    </item>
    <item>
      <title>Hyperion Therapeutics Elects Lota Zoth to Board of Directors</title>
      <link>http://www.hyperiontx.com/press/release/pr_1207180840</link>
      <description>Hyperion Therapeutics, Inc., a privately held biopharmaceutical company, today announced that Lota S....</description>
      <pubdate>Wed, 31 Dec 1969 16:33:28 -0800</pubdate>
      <author></author>
    </item>
    <item>
      <title>Hyperion Therapeutics Announces Enrollment of First Patient in Phase 2 Clinical Trial in Patients with Hepatic Encephalopathy</title>
      <link>http://www.hyperiontx.com/press/release/pr_1203703379</link>
      <description>Hyperion Therapeutics, Inc. today announced that the first patient has been enrolled in a Phase 2 clinical...</description>
      <pubdate>Wed, 31 Dec 1969 16:33:28 -0800</pubdate>
      <author></author>
    </item>
    <item>
      <title>Hyperion Therapeutics to Present at BIO CEO Investor Conference</title>
      <link>http://www.hyperiontx.com/press/release/pr_1202349171</link>
      <description>Hyperion Therapeutics, Inc. today announced that the company is scheduled to present at the BIO CEO and...</description>
      <pubdate>Wed, 31 Dec 1969 16:33:28 -0800</pubdate>
      <author></author>
    </item>
    <item>
      <title>Hyperion Therapeutics, Inc. Names Mark Spring Senior Vice President and Chief Financial Officer</title>
      <link>http://www.hyperiontx.com/press/release/pr_1200678305</link>
      <description>Hyperion Therapeutics, Inc. today announced the appointment of Mark Spring as Senior Vice President and...</description>
      <pubdate>Wed, 31 Dec 1969 16:33:28 -0800</pubdate>
      <author></author>
    </item>
    <item>
      <title>William R. Ringo Joins Hyperion Therapeutics, Inc. Board of Directors as Chairman</title>
      <link>http://www.hyperiontx.com/press/release/pr_1199493564</link>
      <description>&#xD;
Hyperion Therapeutics, Inc., a privately-held biopharmaceutical company focused on the development...</description>
      <pubdate>Wed, 31 Dec 1969 16:33:28 -0800</pubdate>
      <author></author>
    </item>
    <item>
      <title>Hyperion Therapeutics Announces Enrollment of First Patient in Phase 1/2 Clinical Trial of GT4P in Patients with Urea Cycle Disorders</title>
      <link>http://www.hyperiontx.com/press/release/pr_1193092819</link>
      <description>Hyperion Therapeutics, Inc. today announced that the first patient has been enrolled in a Phase 1/2 clinical...</description>
      <pubdate>Wed, 31 Dec 1969 16:33:27 -0800</pubdate>
      <author></author>
    </item>
    <item>
      <title>Hyperion Therapeutics, Inc. Announces Senior Management Team and $15M Financing Event</title>
      <link>http://www.hyperiontx.com/press/release/pr_1191524267</link>
      <description>Hyperion Therapeutics, Inc., a privately-held biopharmaceutical company focused on the development and...</description>
      <pubdate>Wed, 31 Dec 1969 16:33:27 -0800</pubdate>
      <author></author>
    </item>
    <item>
      <title>Hyperion Therapeutics Secures $40 Million in Series B Round</title>
      <link>http://www.hyperiontx.com/press/release/pr_1188930967</link>
      <description>Hyperion Therapeutics, a biopharmaceutical company focused on the development and commercialization of...</description>
      <pubdate>Wed, 31 Dec 1969 16:33:27 -0800</pubdate>
      <author></author>
    </item>
    <item>
      <title>Medicis and Hyperion Therapeutics Announce Strategic Collaboration</title>
      <link>http://www.hyperiontx.com/press/release/pr_1188254706</link>
      <description>Medicis (NYSE:MRX) and Hyperion Therapeutics, Inc. (&amp;amp;ldquo;Hyperion&amp;amp;rdquo;) today announced a strategic...</description>
      <pubdate>Wed, 31 Dec 1969 16:33:27 -0800</pubdate>
      <author></author>
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