XLO · Xilio Therapeutics, Inc.

Received FDA clearance of IND application for XTX501, a potential best-in-class bispecific PD-1 / masked IL-2 Advancing IND-enabling studies for potential first-in-class multi-specific, masked T cell engager programs targeting CLDN18.2 and PSMA+STEAP1; IND applications anticipated in the second

WALTHAM, Mass., July 06, 2026 (GLOBE NEWSWIRE) -- Xilio Therapeutics, Inc. (Nasdaq: XLO), a clinical-stage biotechnology company discovering and developing masked immuno-oncology therapies for people living with cancer, today announced that, effective July 1, 2026, the company granted non-qualified

WALTHAM, Mass., June 29, 2026 (GLOBE NEWSWIRE) -- Xilio Therapeutics, Inc. (Nasdaq: XLO), a clinical-stage biotechnology company discovering and developing masked immuno-oncology therapies for people living with cancer, today announced the appointment of Ben Harshbarger as chief legal officer.

On track for planned IND submission in mid-2026 and Phase 1 initiation in the second half of 2026 for XTX501, a potential best-in-class bispecific PD-1 / masked IL-2 Presented new preclinical data for XTX601, a potential first-in-class masked T cell engager targeting CLDN18.2, at the AACR annual

WALTHAM, Mass., May 07, 2026 (GLOBE NEWSWIRE) -- Xilio Therapeutics, Inc. (Nasdaq: XLO), a clinical-stage biotechnology company discovering and developing masked immuno-oncology therapies for people living with cancer, today announced that, effective May 1, 2026, the company granted a non-qualified

XTX601 demonstrated protease-dependent, tumor-selective activation and potent anti-tumor activity in multiple preclinical models Consistent with Xilio’s clinically-validated masking technology, XTX601 was well tolerated in non-human primates with a favorable therapeutic index WALTHAM, Mass., April

WALTHAM, Mass., April 16, 2026 (GLOBE NEWSWIRE) -- Xilio Therapeutics, Inc. (Nasdaq: XLO), a clinical-stage biotechnology company discovering and developing masked immuno-oncology therapies for people living with cancer, today announced the appointment of Cheryl R. Blanchard, Ph.D.

WALTHAM, Mass., April 03, 2026 (GLOBE NEWSWIRE) -- Xilio Therapeutics, Inc. (Nasdaq: XLO), a clinical-stage biotechnology company discovering and developing masked immuno-oncology therapies for people living with cancer, today announced that, effective April 1, 2026, the company granted

XTX501, a potential best-in-class bispecific PD-1 / masked IL-2, on track for planned IND submission in mid-2026 and Phase 1 initiation in the second half of 2026 Advancing potential first-in-class multi-specific, masked T cell engager targeting PSMA and STEAP1 Plan to present new preclinical data

WALTHAM, Mass., March 17, 2026 (GLOBE NEWSWIRE) -- Xilio Therapeutics, Inc. (Nasdaq: XLO), a clinical-stage biotechnology company discovering and developing masked immuno-oncology therapies for people living with cancer, today announced an upcoming poster presentation at the American Association

WALTHAM, Mass., March 12, 2026 (GLOBE NEWSWIRE) -- Xilio Therapeutics, Inc. (Nasdaq: XLO), a clinical-stage biotechnology company discovering and developing masked immuno-oncology therapies for people living with cancer, today announced that it will implement a 1-for-14 reverse stock split of the

WALTHAM, Mass., March 02, 2026 (GLOBE NEWSWIRE) -- Xilio Therapeutics, Inc. (Nasdaq: XLO), a clinical-stage biotechnology company discovering and developing masked immuno-oncology therapies for people living with cancer, today announced that company management will participate in a fireside chat