Ethyreal Bio Inc. has come out of stealth mode in order to disclose preclinical data for ETHY-001, its monoclonal antibody targeting thyroid stimulating hormone receptor, at the Endocrine Society’s 2026 annual meeting on June 15.

Antibody-drug conjugate (ADC) specialist Ona Therapeutics SL has closed an oversubscribed series B at $86.6 million, as clinical development of the lead program ONA-255 in advanced treatment-resistant breast cancer gathers steam.

Create Medicines Inc. closed a $122 million series B financing round to support its pipeline of therapies that use mRNAs delivered via liquid nanoparticles to express chimeric antigen receptors (CARs) in T cells, NK cells and myeloid cells inside the body of patients. The Cambridge, Mass.-based company estimates the capital will last through 2028, providing the opportunity for multiple clinical readouts of its various products.

Create Medicines Inc. has closed a $122 million series B funding round to support progression of its pipeline of in vivo CAR therapies across autoimmune disease and oncology. The company’s proprietary mRNA-LNP platform directly engineers T cells, NK cells and myeloid cells inside the body to enable scalable, repeat-dose, off-the-shelf immunotherapies.

Nvision Imaging Technologies GmbH raised $55 million in a series B financing round led by Abbott Laboratories for its quantum-enhanced sensing platform, Polaris, which uses quantum technology to boost the MRI signal of sugar-based imaging agents to enable real-time measurement of metabolism on standard MRI systems. Sella Brosh, CEO and co-founder of Nvision, told BioWorld that the funds are extremely important as the company is scaling the Polaris systems to many more sites worldwide, which is a capital intensive process.

Syneron Bio is emerging as one of the most heavily backed new entrants in the macrocyclic peptide space, raising more than $250 million in venture funding and securing a multibillion-dollar deal with Astrazeneca plc as it builds a platform spanning several of the most competitive frontiers in drug development.

Tr1x Inc. was founded with a simple but ambitious goal: to change how autoimmune and inflammatory diseases are treated, moving away from chronic treatment and toward durable cures. “We are trying to flip the script on regulatory T cells (Tregs),” Tr1x CEO David de Vries told BioWorld. “The goal is to reset the immune system rather than continuously suppress it, and we believe we have a unique technology to do that.”

Founded amid the booming next-generation antibody-drug conjugate (ADC) space, Sidewinder Therapeutics Inc. has emerged from stealth with an oversubscribed $137 million series B round and plans to advance a lead program into the clinic in 2027.

Syneron Bio is emerging as one of the most heavily backed new entrants in the macrocyclic peptide space, raising more than $250 million in venture funding and securing a multibillion-dollar deal with Astrazeneca plc as it builds a platform spanning several of the most competitive frontiers in drug development.