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Clinical Trial Summary

An immunotherapy study combining ipilimumab and evofosfamide for the treatment of patients with confirmed metastatic or locally advanced prostate cancer, metastatic pancreatic cancer, melanoma or human papillomavirus (HPV) negative squamous cell carcinoma of head and neck that have failed to respond to standard therapy, progressed despite standard therapy, for which standard therapy does not offer the potential for increased survival.


Clinical Trial Description

Tumor hypoxia can lead to poor effector T cell penetration and immunosuppressive signaling via myeloid-derived suppressor, myofibroblast and regulatory T cells. Disruption of these hypoxic regions within the tumor microenvironment by the hypoxia-directed cytotoxic agent evofosfamide may enhance the ability of the CTLA-4 checkpoint inhibitor ipilimumab to reject otherwise resistant solid tumors. Additionally, induction of immunogenic cell death of tumor cells by evofosfamide may enhance dendritic cell presentation of tumor antigens to lymphocytes in draining lymph nodes, leading to clonal expansion of tumor-specific T cells, especially in combination with ipilimumab. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT03098160
Study type Interventional
Source Threshold Pharmaceuticals
Contact Kristen L. Quigley
Phone 650-455-9622
Email kquigley@thresholdpharm.com
Status Recruiting
Phase Phase 1
Start date May 10, 2017
Completion date April 2019

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