Immutep Limited (NASDAQ:IMMP) is one of the Best Micro-Cap Stocks to Invest in According to Analysts. Immutep Limited (IMMP): Firm Reports Positive Data from Trials In mid-November, Immutep Limited (NASDAQ:IMMP) reported positive data from two clinical trials of its drug candidate eftilagimod alpha, or efti. The firm revealed that a Phase 2 study of efti in combination with radiotherapy and Merck’s Keytruda showed significant efficacy in treating patients with soft tissue sarcoma in the neoadjuvant setti ...