Summary of Immunic (IMUX) Conference Call Company Overview - **Company**: Immunic (IMUX) - **Focus**: Clinical stage company developing oral treatments for chronic inflammation and autoimmune diseases, particularly multiple sclerosis (MS) [2][3] Key Points on Multiple Sclerosis (MS) Treatment - **Market Opportunity**: Immunic targets a significant commercial opportunity with peak sales potential estimated between $3 billion to $7 billion across various forms of MS [3][9] - **Pipeline**: - **Beta Frutimous Calcium**: In phase three for relapsing MS (RMS) and recently completed phase two for progressive MS (PMS) [3][9] - **IMU 856**: Targeting gastrointestinal diseases, specifically celiac disease [4][26] Beta Frutimous Calcium - **Mechanism of Action**: - Acts as a potent inhibitor of DHODH, reducing inflammation and preventing neurodegeneration [4][5] - Activates NurOwn, a nuclear receptor that protects neurons from cell death [5][10] - **Clinical Data**: - Phase two study (EMPHASIS) showed a 76% reduction in active lesions and a 94.2% rate of patients free from confirmed disability worsening after two years [12][13] - Phase two study (CALIPER) demonstrated a 24% reduction in confirmed disability worsening overall, with 33% in primary progressive MS (PPMS) patients [19][20] - Notably effective in patients without active inflammation, showing a 34% reduction in disability worsening [22][24] Unmet Medical Need - **Current Treatments**: Only one drug approved for primary progressive MS, highlighting a significant unmet need in the market [16][15] - **Patient Population**: Approximately 1.2 million eligible patients for MS treatment globally, with many not currently receiving therapy [8][16] Key Points on IMU 856 - **Mechanism**: A selective modulator targeting epithelial regeneration in the gut, potentially applicable to various gastrointestinal disorders [26][28] - **Clinical Data**: - Phase one study showed a significant increase in GLP-1 levels (up to 250%) in celiac disease patients, indicating potential for managing weight gain and gut health [31][32] - Demonstrated protection of gut villi and improved nutrient absorption in a short-term study [35][36] Safety and Tolerability - **Beta Frutimous Calcium**: Favorable safety profile with no new safety findings reported, making it an attractive option for newly diagnosed MS patients [23][14] - **IMU 856**: Safety and tolerability assessed in clinical studies, with promising results [30][34] Future Outlook - **Next Steps**: Anticipation of top-line data from phase three studies by the end of 2026, with potential NDA submission in 2027 if results are positive [25][37] - **Market Positioning**: Immunic aims to position Beta Frutimous Calcium as a unique oral treatment option for all forms of MS, addressing both relapsing and progressive forms [37]

As filed with the Securities and Exchange Commission on September 10, 2024 Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 Theriva Biologics, Inc. (Exact name of registrant as specified in its charter) (State or other jurisdiction of incorporation or organization) Nevada 2834 26-279813 (Primary Standard Industrial Classification Code Number) (IRS Employer Identification No.) 9605 Medical Center, Su ...