Company Overview - Barinthus Bio is developing immunotherapies for autoimmunity and inflammatory diseases, focusing on restoring immune tolerance using the SNAP-TI platform[5] - The company has a strong financial position with $100.6 million in cash as of March 31, 2025, and an estimated cash runway into 2027[5, 92] - Barinthus Bio has 40.4 million outstanding ordinary shares and no debt or outstanding warrants[5] SNAP-TI Platform & VTP-1000 - The SNAP-TI platform is designed for antigen-specific immune tolerance, aiming to reduce inflammation and restore immune non-responsiveness to healthy tissue[5] - VTP-1000, the lead candidate for Celiac disease, is in an ongoing Phase 1 clinical trial with data readout expected in Q3 2025[5, 24, 92] - Approximately 1% of people worldwide have Celiac disease, equating to about 80 million people[27] - Around 60% of Celiac patients, or about 48 million people, cannot adhere to a strict Gluten-Free Diet[27] - Roughly 20% of Celiac patients are Non-Responsive, meaning about 16 million people's symptoms continue despite avoiding gluten[27] Viral Vector Platform Programs - VTP-300, a viral vector-based program for Chronic Hepatitis B, is pursuing partnership opportunities for advancement[56] - Approximately 254 million people are chronically infected with HBV, and there are 1.2 million new HBV infections per year[60] - In the HBV003 Phase 2b trial, 31.8% in Group 1 and 34.8% in Group 2 achieved >1 log HBsAg decline at Day 169, while only 4.2% in Group 3 achieved the same[77] - In the IM-PROVE II trial, 25% (2/8) of participants with starting baseline HBsAg levels less than 1000 IU/mL who received IDR+VTP-300+LDN reached Functional Cure[89]

Summary of Barinthus Biotherapeutics plc (BRNS) Conference Call Company Overview - Barinthus Biotherapeutics plc focuses on next-generation immunotherapies targeting autoimmune and inflammatory diseases, utilizing a platform called SnapTI [4][5] Key Developments - The lead candidate, VTP 1000, is currently in phase one clinical trials for celiac disease, with expected data readout by the end of Q3 or early Q4 2025 [6][48] - The company has approximately $100 million in cash, providing a runway into 2027 with no debt or outstanding warrants [6][48] SnapTI Platform - SnapTI is a self-assembling nanoparticle platform designed to restore immune system balance by co-delivering multiple disease-associated antigens with an immunomodulator [5][11] - The platform allows for patient-friendly administration via intramuscular (IM) or subcutaneous (SubQ) routes, enhancing tolerability and broadening antigen coverage [12][13] Celiac Disease Focus - Celiac disease affects about 1% of the global population, with current treatment limited to a strict gluten-free diet [16] - VTP 1000 aims to rebalance the immune system by reducing T effector cells and stimulating T regulatory cells, addressing the underlying immune imbalance in celiac disease [18] Clinical Trials - The phase one trial is a double-blind, placebo-controlled study involving 18 patients in a single ascending dose (SAD) design, with safety and biomarker changes being key focuses [29][30] - A multiple ascending dose (MAD) portion has received FDA approval, involving 24 patients and a gluten challenge to assess efficacy [30] Viral-Based Platform - The company is winding down its viral-based platform, which includes VTP 300 for chronic hepatitis B and VTP 850 for prostate cancer, seeking partners to advance these programs [35][36] - Chronic hepatitis B presents a significant market opportunity, with over 250 million people affected globally and current treatments yielding low cure rates [37][38] Encouraging Data - VTP 300 is designed to stimulate both exhausted T cells and new T cells to combat hepatitis B, with a focus on achieving a functional cure defined as surface antigen loss after stopping nucleoside treatments [39][40] - Recent studies showed promising results, with 20-25% functional cure rates, significantly higher than current standard care [46][47] Financial Outlook - The company has no immediate plans for fundraising, relying on existing cash reserves and upcoming clinical data to guide future financial strategies [50]

Core Insights - Barinthus Biotherapeutics plc focuses on developing therapies for immunological and inflammatory diseases, with a strategic emphasis on its lead asset, VTP-1000, for celiac disease [2][3] - The company is on track to announce Phase 1 single ascending dose data for VTP-1000 in Q3 2025 and will initiate the multiple ascending dose part of the trial in the second half of 2025 [2][12] - Recent data from Phase 2 trials of VTP-300 for chronic hepatitis B (CHB) show promising results, supporting its potential as a functional cure [3][4][5] Clinical Developments - Data from two Phase 2 trials of VTP-300 will be presented at the EASL Congress 2025, showcasing significant findings from the HBV003 and IM-PROVE II studies [3][4] - The HBV003 study indicated that 33% of participants with HBsAg levels ≤200 IU/mL achieved ≥1 log decline in HBsAg by Day 169 [6] - The IM-PROVE II study demonstrated that 25% of participants receiving a combination therapy achieved functional cure [11] Financial Highlights - For Q1 2025, the company reported a net loss of $19.6 million, or $(0.49) per share, compared to a net loss of $15.5 million, or $(0.40) per share in Q1 2024 [18][22] - Research and development expenses decreased to $8.3 million in Q1 2025 from $11.1 million in Q1 2024, attributed to reduced preclinical activity and workforce [13][22] - As of March 31, 2025, the company had cash and cash equivalents of $100.6 million, expected to fund operations into 2027 [13][20] Corporate Updates - In January 2025, Barinthus Bio announced a strategic refocus on immunology and inflammation, planning to seek partners for VTP-300 after the completion of the ongoing Phase 2b trial [7] - The company aims to leverage its differentiated capabilities in achieving sustained HBsAg loss and functional cure in CHB patients [7] - Upcoming milestones include topline results from the Phase 1 PCA001 trial for prostate cancer (VTP-850) [8]