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Protara Therapeutics (TARA) investor relations material

Protara Therapeutics H.C. Wainwright 27th Annual Global Investment Conference summary

Complete event summary combining all related documents: earnings call transcript, report, and slide presentation.
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H.C. Wainwright 27th Annual Global Investment Conference summary9 Sep, 2025

Key clinical data and regulatory updates

  • Largest lymphatic malformation dataset from a 27-center study of 550+ patients will support FDA registration, with interim data expected before year-end.

  • NMIBC program is accelerating enrollment in a single-arm, open-label study for BCG-unresponsive CIS patients, with interim data on at least 25 patients to be published in February.

  • TARA-002 shows a distinct mechanism from BCG, upregulating key oncolytic cytokines and downregulating IL-8, which is linked to recurrence.

  • BCG-naive proof-of-concept study shows 70+% complete response at 6 months and 40+% at 12 months; regulatory pathway discussions ongoing.

  • No treatment-related grade 3 adverse events reported; most side effects are mild and related to administration or flu-like symptoms.

Product differentiation and market opportunity

  • TARA-002 offers easy administration, no special handling, and rapid patient discharge, differentiating it from BCG and other therapies.

  • Approximately 35% of BCG-eligible patients in the US do not receive BCG, representing 10,000–12,000 patients annually who may benefit from alternatives.

  • Ongoing FDA dialogue to enable a randomized controlled study comparing TARA-002 to chemotherapy in BCG-ineligible patients.

  • Safety and efficacy profile positions TARA-002 favorably among both approved and investigational NMIBC products.

Pipeline expansion and future plans

  • IV Choline Chloride pivotal study is enrolling, with primary endpoint of elevated serum choline at 8 weeks; interim data expected mid-2026.

  • Liver function and other metabolic endpoints will be evaluated due to the role of phosphatidylcholine in organ health.

  • TARA-002 is standard of care for macrocystic lymphatic malformations in Japan; interim data from US study expected before year-end.

  • University of Iowa study shows 62% complete response and 84% clinically meaningful response in macrocystic patients; current study aims to replicate these results.

  • Expansion into other maxillofacial cystic indications could address up to 12.5 million US patients.

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Frequently asked questions

Protara Therapeutics Inc. is a clinical-stage biopharmaceutical company focused on developing transformative therapies for cancer and rare diseases. Their lead program, TARA-002, is an investigational cell therapy aimed at treating lymphatic malformations, based on the broad immunopotentiator OK-432. Additionally, Protara is developing intravenous choline chloride, a phospholipid substrate replacement therapy for the treatment of intestinal failure-associated liver disease. The company is headquartered in NYC, and its shares are listed on the Nasdaq.

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