Why now: RNA is proven, but oral delivery is the missing link
Therapeutic RNA has demonstrated transformative clinical impact, yet oral delivery has remained a key bottleneck due to gastrointestinal degradation degradation and limited tissue targeting. Oragen removes this barrier with a patented oral delivery platform designed to achieve localized gut activity with minimal systemic exposure.
A breakthrough oral RNA delivery technology
Oragen’s proprietary “nano-in-micro” platform combines:
- Gastro-resistant polymeric microparticles (stomach protection)
- Lipid nanoparticles (LNPs) (intracellular delivery)
- Nucleic acid payload (siRNA / mRNA; compatible with multi-payload combinations)
Key advantages
- Protection from GI degradation
- Preferential accumulation in inflamed intestinal tissue
- Minimal systemic exposure, supporting a differentiated safety profile
- Versatility, enabling expansion beyond IBD (e.g., colorectal cancer)
A major market with persistent unmet need: IBD (Crohn’s disease & ulcerative colitis)
Inflammatory bowel disease (IBD) is a chronic, relapsing inflammation of the gastrointestinal tract that causes debilitating symptoms (abdominal pain, diarrhea, bleeding, fatigue), reduced quality of life, and often hospitalization or surgery; it represents a major medical need and a >$30B global market, yet despite multiple biologics and small molecules, outcomes remain suboptimal and the unmet need is structural :
- Efficacy ceiling: up to 80% of patients do not achieve sustained remission over time, with frequent loss of response and treatment switching
- Safety and tolerability limits: many therapies rely on systemic immunomodulation, increasing the risk of serious adverse events and restricting long-term use in certain populations
- Treatment burden: injectable regimens and monitoring requirements negatively impact quality of life, adherence, and persistence
- Need for new mechanisms: many patients cycle through similar pathways, reinforcing demand for novel, more precise modalities that can deliver deeper and more durable control of inflammation
This backdrop supports strong commercial potential for therapies that can deliver higher remission rates, improved safety, and easier administration, particularly if they reduce systemic exposure while maintaining robust local activity.
ORA-251: a first-in-class oral siRNA with the potential to redefine IBD care
Oragen Therapeutics’ lead program, ORA-251, is an orally administered siRNA candidate engineered for localized, precision gene silencing of a validated disease-driving target involved in intestinal inflammation.
Why RNA interference can enhance efficacy
RNA interference (RNAi) enables highly specific, sequence-driven silencing of a target gene, offering a level of precision and potency that can be difficult to achieve with other modalities such as antibodies or small molecules. Combined with localized intestinal delivery, ORA-251 aims to deliver deep activity at the site of disease while limiting systemic exposure, supporting a differentiated efficacy/safety profile and best-in-class potential.
ORA-251: major competitive advantages

- Improved efficacy via precise and potent RNA interference + local delivery to inflamed tissue
- Favorable safety profile driven by minimal systemic exposure
- Improved adherence through convenient oral administration vs injectables
Strong preclinical validation
Oragen Therapeutics’ lead program has achieved robust preclinical validation supported by extensive in vitro and in vivo studies:
- Gastro-resistance
- Preferential accumulation in inflamed intestinal tissue
- In murine colitis models: remission within 3 days (colon weight-to-length ratio endpoint), 96% improvement in clinical score, and body-weight improvement from Day 1
- Safety : minimal systemic RNA exposure and no alteration of hepatic toxicity biomarkers
Together, these results provide compelling evidence that oral delivery of therapeutic nucleic acids can achieve meaningful local pharmacology in the gut with a strong safety rationale.
A robust execution plan led by an experienced and complementary team
Oragen is executing a structured CMC, non-clinical, and regulatory roadmap targeting clinical entry within ~3 years, with clear value inflection points.
The company is led by an experienced, complementary team spanning pharma development, nanomedicine, regulatory strategy, and business development, supported by senior experts. Governance is strengthened by top-tier boards including world-leading IBD experts Prof. Laurent Peyrin-Biroulet and Prof. Lucine Vuitton, and nanomedicine expert Prof. Alexander Kabanov.

Oragen Therapeutics is built on a dual value engine with a >$1B potential
Oragen Therapeutics offers a dual value engine: the ORA-251 drug candidate plus a proprietary oral delivery platform. This strategy multiplies partnering and M&A options in a market with strong deal activity and >$1B transaction benchmarks creating the potential for significant value creation and strong investor returns.