Immutep Limited, a clinical-stage biotechnology company, develops lymphocyte activation gene-3 (LAG-3) related immunotherapies for cancer and autoimmune diseases in Australia. The company's lead product candidate is the eftilagimod alfa (efti or IMP321), a soluble LAG-3lg fusion based on the LAG-3 immune control mechanism for the treatment of cancer. Its product pipeline also includes AIPAC-003, which has completed an integrated Phase II/III clinical trial for the treatment of metastatic breast cancer; TACTI-003, which has completed a Phase IIb clinical trial to treat first line head and neck squamous cell carcinoma (1L HNSCC); an investigator-initiated Phase II trial evaluating neoadjuvant efti as monotherapy and in combination with chemotherapy prior to surgery in patients with early-sta…