Prnewswire·2026-01-01 15:00Core Viewpoint - ADC Therapeutics is under investigation for potential securities fraud and unlawful business practices following a press release regarding clinical trial data that may have misrepresented adverse events [1][2]. Group 1: Investigation Details - Pomerantz LLP is investigating claims on behalf of investors of ADC Therapeutics, focusing on whether the company and its officers engaged in securities fraud [1]. - The investigation is prompted by concerns over the company's recent disclosures and the implications for investors [1]. Group 2: Clinical Trial Data - On December 3, 2025, ADC Therapeutics announced updated data from the LOTIS-7 Phase 1b clinical trial for ZYNLONTA® in combination with glofitamab for patients with relapsed or refractory diffuse large B-cell lymphoma [2]. - The press release, while positive, noted adverse events in two patients, with one being treatment-related, and reported that cytokine release syndrome occurred in 36.7% of patients across dose levels [2]. Group 3: Stock Market Reaction - Following the announcement of the clinical trial data, ADC's stock price fell by $0.65 per share, representing a 14.13% decline, closing at $3.95 per share on December 3, 2025 [3].