Telomir Pharmaceuticals Reports Positive Telomir-1 Results in Triple-Negative Breast Cancer Zebrafish Study
January 5th, 2026 2:51 PM
By: Newsworthy Staff
Telomir Pharmaceuticals announced positive preclinical results showing its lead candidate Telomir-1 significantly reduced tumor growth and metastasis in aggressive triple-negative breast cancer models, demonstrating potential as both monotherapy and combination treatment.

Telomir Pharmaceuticals reported positive results from an efficacy study evaluating Telomir-1 in zebrafish tumor xenograft models of triple-negative breast cancer. The preclinical-stage biotechnology company conducted the research in collaboration with BioReperia using its ZTX(R) ONCOLEADS platform, revealing significant findings for an aggressive cancer subtype with limited treatment options.
In an aggressive TNBC model with limited responsiveness to paclitaxel, Telomir-1 demonstrated statistically significant reductions in primary tumor growth and metastatic dissemination. This finding is particularly important because triple-negative breast cancer represents approximately 15-20% of all breast cancers and tends to be more aggressive with poorer prognosis than other subtypes. The limited treatment options available for TNBC patients make new therapeutic approaches critically important for improving clinical outcomes.
In a separate aggressive TNBC model where paclitaxel showed activity, Telomir-1 achieved comparable tumor growth reduction as a monotherapy and produced greater inhibition when combined with paclitaxel than either agent alone. This combination effect suggests potential synergistic benefits that could enhance existing treatment regimens. The company's newsroom at https://ibn.fm/TELO provides additional information about these developments.
Telomir-1 represents a novel approach targeting epigenetic and metabolic drivers of disease. The compound has demonstrated activity in preclinical studies involving modulation of DNA and histone methylation, restoration of redox balance, and normalization of cellular function. These mechanisms address fundamental biological processes that contribute to cancer progression and treatment resistance.
The zebrafish xenograft model used in this study provides a valuable preclinical platform for evaluating drug efficacy. Zebrafish share significant genetic similarity with humans and offer advantages for studying tumor biology and metastasis. The collaboration with BioReperia leveraged specialized expertise in this model system to generate robust data supporting Telomir-1's potential therapeutic value.
These results come at a time when the oncology field increasingly recognizes the importance of targeting epigenetic mechanisms in cancer treatment. Unlike genetic mutations, epigenetic changes are potentially reversible, offering opportunities for therapeutic intervention that could restore normal cellular function. Telomir Pharmaceuticals' approach aligns with this growing scientific understanding and addresses an unmet medical need in triple-negative breast cancer.
The positive data from this study supports further development of Telomir-1 as a potential treatment for aggressive cancers. While these are preclinical findings, they provide important proof-of-concept for the compound's mechanism of action and therapeutic potential. The full press release detailing these results is available at https://ibn.fm/JwPXi for those seeking comprehensive information about the study design and outcomes.
Triple-negative breast cancer remains a significant clinical challenge due to its aggressive nature and limited targeted treatment options. Current standard therapies primarily consist of chemotherapy, which often provides limited benefit and significant side effects. New approaches like Telomir-1 that demonstrate activity in resistant models could potentially expand the therapeutic arsenal available to clinicians treating this difficult disease.
Source Statement
This news article relied primarily on a press release disributed by InvestorBrandNetwork (IBN). You can read the source press release here,
