TABLE OF CONTENTS As filed with the U.S. Securities and Exchange Commission on September 25, 2025. Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM F-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 XORTX THERAPEUTICS INC. (Exact name of registrant as specified in its charter) British Columbia (State or other jurisdiction of incorporation or organization) 2834 (Primary Standard Industrial Classification Code Number) N/A (I.R.S. Employer Identificati ...

Summary of XORTX Therapeutics Webinar Company Overview - **Company**: XORTX Therapeutics (NasdaqCM:XRTX) - **Focus Areas**: Development of therapies for gout and autosomal dominant polycystic kidney disease (ADPKD) [9][12] Core Points and Arguments Gout Program - **Primary Focus**: Developing a formulation of oxypurinol for gout treatment, targeting allopurinol-intolerant patients [9][11] - **Market Opportunity**: Estimated at $700 million for allopurinol-intolerant gout patients, filling a gap left by febuxostat [11][15] - **Clinical Background**: The drug has a safe and effective clinical record established in over 800 patients [12] - **Regulatory Path**: Preparing to file a New Drug Application (NDA) within the next 12 to 14 months, with a review period of 9 to 12 months [19][26] - **Patient Demographics**: Approximately 50 million individuals have high uric acid levels, with 7 to 9 million diagnosed with gout [14] - **Pricing Strategy**: Projected launch price between $6,000 and $8,000 per patient per year [15] ADPKD Program - **Market Opportunity**: Estimated at $1 to $1.5 billion, with a focus on patients with high uric acid levels [12][24] - **Regulatory Path**: A single small registration trial may suffice for FDA approval [12] - **Current Treatment Landscape**: Tolvaptan is the only approved drug, costing $156,000 per patient per year, treating only 5% of patients [23][25] - **Potential Market Size**: Estimated peak net sales could exceed $1 billion by treating around 18,000 individuals [25] Development and Manufacturing - **Key Activities**: Preparing an Investigational New Drug (IND) application and conducting pharmacokinetic studies [10][20] - **Manufacturing Plans**: A year of stability testing is required before NDA filing [21][26] - **Team Expertise**: Strong developmental team with experience in drug development and commercialization [27][28] Additional Important Information - **Patent Protections**: Recent EU patent grants cover major countries, with U.S. patents extending through 2034 and additional layers through 2041 and 2043 [34][35] - **Commercialization Strategy**: Plans to establish manufacturing and distribution contracts in preparation for the product launch [36] - **Market Capitalization**: Currently around $4 million to $5 million, with potential for significant value creation as the NDA is submitted [38][39] Conclusion - **Investment Opportunity**: XORTX Therapeutics is positioned for growth with low-risk activities planned over the next 12 to 24 months, aiming to transition from a research-focused company to a revenue-generating entity [39]

Core Insights - XORTX Therapeutics Inc. has initiated the preparation for an Investigational New Drug (IND) application for its lead program, XRx-026, aimed at treating gout, with support from Allucent, a global contract research organization [1][3] - The IND preparation will involve a thorough review of non-clinical, pharmacologic, toxicological, and regulatory progress, and is expected to be submitted in the second half of 2025 [2][3] - The FDA has outlined four critical requirements for the New Drug Application (NDA) submission for XORLO™, the proprietary formulation of oxypurinol [3][6] Company Developments - XORTX has confirmed the issuance of 73,871 common shares at US$1.54 per share, resulting in gross proceeds of approximately USD $113,547.11 during the quarter ended March 31, 2025, under its at-the-market offering [4] - The company is focused on developing innovative therapies for gout and progressive kidney disease, with three clinically advanced products in development [9] Market Context - Approximately 44 million individuals in the U.S. have elevated uric acid levels, with 9.2 million living with gout, indicating a significant market need for effective treatments [5] - The global prevalence of gout is expected to double over the next 25 years, highlighting the growing demand for new therapeutic options [5] Product Insights - The XRx-026 program is developing XORLO™, which aims to provide an alternative for patients who cannot tolerate existing xanthine oxidase inhibitors, addressing a notable gap in current treatment options [6][7] - Current standard treatments for gout have limitations, with 3-5% of patients unable to tolerate allopurinol, and febuxostat carrying cardiovascular risk warnings [6][7]

Core Insights - XORTX Therapeutics Inc. is advancing its lead gout program, XRx-026, with a focus on filing a New Drug Application (NDA) within approximately 12 months, targeting a market opportunity of USD $700 million annually [3][6][8] Group 1: Strategic Focus and Achievements - The company has prioritized the XRx-026 gout program, leveraging advancements in the proprietary XORLO™ formulation, which demonstrates increased oral bioavailability [2][4] - Significant achievements in 2025 include the validation of the XORLO™ formulation and progress in both the XRx-026 and XRx-008 programs [5][6] - Engagement with the FDA through a Type B meeting has clarified the regulatory path for NDA submission via the 505(b)(2) pathway [6] Group 2: Goals and Future Plans - Key objectives for 2025/2026 include advancing the XRx-026 program and preparing for NDA filing, alongside conducting clinical trials to support regulatory submissions [6][12] - The company plans to pursue both non-dilutive and dilutive funding, and is actively seeking partnerships with major pharmaceutical and biotech companies to accelerate commercialization [7][8] - Preparations for commercialization will include market studies and engagement with healthcare professionals to analyze pricing and branding strategies [12]

Core Viewpoint - XORTX Therapeutics Inc. is advancing its new drug application (NDA) for XORLO™, a proprietary formulation of oxypurinol aimed at treating gout, following guidance from the FDA on key steps necessary for the filing [2][4]. Company Developments - XORTX has received responses from the FDA clarifying the steps needed for the NDA submission for its XRx-026 program targeting gout [2][4]. - The company plans to finalize meeting minutes with the FDA, prepare an Investigational New Drug (IND) application, characterize pharmacokinetics, manufacture commercial supplies, and file the NDA [3][4]. - The NDA for XORLO™ is anticipated to be filed in the first half of 2026, emphasizing the company's commitment to addressing the unmet medical needs of gout patients [4]. Market Context - Approximately 44 million individuals in the US have elevated uric acid levels, with gout affecting about 9.2 million people, indicating a significant market opportunity for gout treatments [5]. - Current treatments include xanthine oxidase inhibitors (XOIs) like allopurinol, which is prescribed to around 3.3 million patients annually in North America, but some patients cannot tolerate it [6]. - XORLO™ aims to fill the gap left by existing treatments, particularly after the decline in the use of Febuxostat due to safety concerns [6].