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A Phase 1 Study of RGX-104, a Small Molecule LXR Agonist, in Patients With Advanced Solid Malignancies and Lymphoma With an Expansion in Select Malignancies

Status
Active
Cancer Type
Unknown Primary
Trial Phase
Phase I
Eligibility
18 Years and older, Male and Female
Study Type
Treatment
NCD ID
NCT02922764
Protocol IDs
RGX-104-001 (primary)
NCI-2017-00226
Study Sponsor
Rgenix, Inc.

Summary

Study RGX-104-001 is a Phase 1, first-in-human, dose escalation and expansion study of RGX-104, an oral small molecule targeting the liver X receptor (LXR). RGX-104 activates LXR, resulting in depletion of both myeloid-derived suppressor cells (MDSCs) as well as tumor blood vessels. MDSCs block the ability of T-cells and other cells of the immune system from attacking tumors. During the dose escalation stage, multiple doses and schedules of orally administered RGX-104 will be evaluated in patients with advanced solid tumors and lymphoma (i.e., locally advanced and unresectable, or metastatic) who have had progressive disease (PD) on available standard systemic therapies or for which there are no standard systemic therapies of relevant impact. In the expansion stage of the study, additional patients with melanoma, non-small cell lung cancer, epithelial ovarian carcinoma, or breast cancer will be treated at the MTD (or maximum tested dose if no MTD is identified, or dose below the MTD if there is evidence suggesting a more favorable risk / benefit profile) to provide further characterization of RGX-104 safety, efficacy, PK, and pharmacodynamics, including biomarkers of immunologic activity and LXR target activation.
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