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Kalaris Announces Upcoming Presentation of TH103 Phase 1a Clinical Data at American Society of Retina Specialists; Ph 1b/2 Clinical Trial Actively Enrolling

Key Takeaway: Kalaris Therapeutics has announced an upcoming presentation of its Phase 1a clinical data at the American Society of Retina Specialists. The company is also actively enrolling participants in its Phase 1b/2 clinical trial. This highlights Kalaris's commitment to developing treatments for retinal diseases.
Price reaction · baseline $4.4 (2026-06-22 close) · hit pre-market · clean, no other KLRS news in the window
day 0 close · peak
+1.6%

Market Sentiment Analysis

POSITIVE FACTORS

  • Upcoming presentation of Phase 1a clinical data.
  • Active enrollment in Phase 1b/2 clinical trial.
  • Focus on treatments for prevalent retinal diseases.

BiopharmaWatch Analysis

From our catalyst data and publicly available data · not financial advice
Cash runway
~24 mo
Low dilution risk
Lead asset
Posoleucel
Phase 2 · Adenovirus Infection

Full Press Release Details

BERKELEY HEIGHTS, N.J., June 23, 2026 (GLOBE NEWSWIRE) -- Kalaris Therapeutics, Inc. (Nasdaq: KLRS) (“Kalaris”), a clinical-stage biopharmaceutical company dedicated to the development and commercialization of treatments for prevalent retinal diseases, today announced an upcoming presentation of Phase 1a data at the American Society of Retina Specialists (ASRS) 2026 Annual Meeting.
ASRS Presentation Details:
• Title : First-in-Human Evaluation of TH103, a Novel Dual-Targeting VEGF/HSPG Biologic: Phase 1 Single Ascending Dose Study in Treatment-Naïve Neovascular AMD
• Speaker : Joel Pearlman, MD, PhD, Retinal Consultants Medical Group
• Date : Friday, July 17, 2026
• Time : 8:00 am EDT
• Session : AMD - Neovascular Symposium 2. Innovations in nAMD: New Targets, New Therapies, Early Results
• Location : Palais des congrès de Montréal, Montréal, Quebec
Kalaris also confirms that its Phase 1b/2 multiple ascending dose study of TH103 for neovascular Age-related Macular Degeneration is actively enrolling and dosing patients. The company remains on-track to share initial data from the study in 1H 2027 which is designed to accelerate TH103’s clinical development and inform dose selection for potential future Phase 3 development.
About TH103
TH103 is an investigational dual-targeting biologic engineered by VEGF scientific discoverer Dr. Napoleone Ferrara to achieve extended intraocular retention with enhanced VEGF inhibition through optimized binding to VEGF receptor 1 ligands and concurrent heparan sulfate proteoglycan (HSPG) anchoring. It is a fully humanized, recombinant fusion protein designed for intravitreal delivery, with potential applications as a treatment for exudative and/or neovascular retinal diseases, such as wet AMD, diabetic eye disease and retinal vein occlusion. TH103 is currently being investigated in a Phase 1b/2 clinical trial in patients with neovascular Age-related Macular Degeneration (nAMD).
About Kalaris
Kalaris Therapeutics is a clinical-stage biopharmaceutical company dedicated to the development and commercialization of treatments for prevalent retinal diseases. Founded by renowned scientist Dr. Napoleone Ferrara, whose pioneering research led to the development of anti-VEGF therapy, the company is committed to advancing novel therapeutic approaches for patients with sight-threatening retinal conditions with major unmet medical needs.
For more information, visit www.kalaristx.com .

Frequently Asked Questions

What is the focus of Kalaris Therapeutics?

Kalaris Therapeutics is focused on developing treatments for prevalent retinal diseases.

When will Kalaris present its clinical data?

Kalaris will present its Phase 1a clinical data at the American Society of Retina Specialists.

Is Kalaris currently enrolling participants?

Yes, Kalaris is actively enrolling participants in its Phase 1b/2 clinical trial.

Last updated: Jun 23, 2026