Galectin Therapeutics Announces Positive Preliminary Results from Phase 1b Clinical Trial of GR-MD-02 and KEYTRUDA

- September 20th, 2018

Galectin Therapeutics (NASDAQ:GALT), the leading developer of therapeutics that target galectin proteins, and Providence Cancer Institute today announced additional preliminary clinical data from cohort 3 of an investigator-initiated Phase 1b clinical trial of GR-MD-02 used in combination with KEYTRUDA (pembrolizumab) in patients with metastatic melanoma for which KEYTRUDA is indicated or those patients whose melanoma progressed during or …

Galectin Therapeutics (NASDAQ:GALT), the leading developer of therapeutics that target galectin proteins, and Providence Cancer Institute today announced additional preliminary clinical data from cohort 3 of an investigator-initiated Phase 1b clinical trial of GR-MD-02 used in combination with KEYTRUDA (pembrolizumab) in patients with metastatic melanoma for which KEYTRUDA is indicated or those patients whose melanoma progressed during or recently after KEYTRUDA monotherapy.

As quoted in the press release:

The Providence Cancer Institute (Portland, OR) translational medicine team is conducting this phase 1b clinical trial, initiated under direction of principal investigator Brendan D. Curti, M.D., Director, Providence Melanoma Program. The objectives of this study were to determine a safe dose of GR-MD-02 used in combination with KEYTRUDA and to measure the response rate to combined therapy. “We are very encouraged by the objective response rate and the disease control rate observed in patients with advanced melanoma. These response rates were higher than expected with KEYTRUDA alone,” said Dr. Curti. “An objective response rate of seven out of fourteen patients (50%) and a disease control rate of nine out of fourteen patients (64%) with advanced melanoma is very encouraging. The published objective response rates in randomized studies using KEYTRUDA in patients with advanced melanoma range from 21% in patients who have had prior therapy to 39% in patients who had not received prior systemic therapy. Importantly, the combination was also very well tolerated, and treatment appears to be associated with fewer adverse events than expected with KEYTRUDA alone.”

When aggregated with the cohorts previously reported, the data shows a 50% objective response rate in advanced melanoma with GR-MD-02 in combination with KEYTRUDA, and a significant decrease in the frequency of suppressive myeloid-derived suppressor cells (MDSC) following treatment in the responding patients (on day 85 post-treatment) was observed. The published data on KEYTRUDA alone have shown an objective response rate of 33% in this patient population.

Click here to read the full press release.

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