TransCode Therapeutics Advances Cancer Treatment with Successful Phase 1a Trial of TTX-MC138
October 14th, 2025 2:29 PM
By: Advos Staff Reporter
TransCode Therapeutics has successfully completed Phase 1a clinical trials for its metastatic cancer treatment TTX-MC138, demonstrating strong safety results and disease stabilization in nearly half of patients, marking significant progress in RNA-based oncology therapeutics.

TransCode Therapeutics, Inc. (NASDAQ: RNAZ) has announced the successful completion of its Phase 1a clinical trial for TTX-MC138, an investigational inhibitor targeting microRNA-10b, achieving its primary safety endpoint and establishing a recommended Phase 2 dose. The trial involved sixteen patients with no significant safety events or dose-limiting toxicities observed, while 44% of participants achieved stable disease lasting four months or longer.
The favorable safety profile, durability of response, and pharmacodynamic data collected during the Phase 1a trial provide strong justification for advancing TTX-MC138 into Phase 2a evaluation. This progression represents a critical milestone in the development of RNA-based therapeutics for metastatic cancer treatment. The full details of the clinical trial results are available in the company's official press release at https://ibn.fm/2gDqg.
TTX-MC138 represents a novel approach to cancer treatment by targeting microRNA-10b, a well-documented biomarker of metastasis that plays a crucial role in cancer progression and spread. The successful completion of Phase 1a trials demonstrates the viability of TransCode's proprietary TTX nanoparticle platform, which is designed to overcome the historical challenges of RNA delivery in therapeutic applications.
The advancement to Phase 2a trials holds significant implications for cancer treatment worldwide. Metastatic cancer remains one of the most challenging aspects of oncology, with limited effective treatment options available for patients with advanced disease. The successful development of TTX-MC138 could potentially address this unmet medical need by targeting the fundamental mechanisms of cancer metastasis.
For the broader pharmaceutical industry, TransCode's progress validates the potential of RNA therapeutics in oncology, a field that has seen increasing investment and research focus in recent years. The company's portfolio of first-in-class RNA therapeutic candidates, built around its TTX nanoparticle platform, represents a promising approach to accessing novel genetic targets relevant to various cancer types.
Investors and stakeholders can access additional information and updates through the company's newsroom at https://ibn.fm/RNAZ. The successful trial outcomes position TransCode Therapeutics as a significant contributor to the evolving landscape of cancer treatment, potentially offering new hope for patients with metastatic disease who have limited therapeutic options available.
Source Statement
This news article relied primarily on a press release disributed by InvestorBrandNetwork (IBN). You can read the source press release here,
