Abstract ideas are not generally eligible for patents in the U.S., but a recent dispute heard by the U.S. Patent Trial and Appeal Board adds a new twist to the question.

Boston Scientific Corp. resumed enrollment in the AVANT GUARD trial of the Farapulse pulse field ablation (PFA) system after a pause reported in October “to assess a few unanticipated observations.” The trial aims to expand the indications for the market-leading PFA system to include a new population, drug-naïve patients with persistent atrial fibrillation.

Autolus Therapuetics plc has been granted FDA approval for Aucatzyl (obecabtagene autoleucel) for the treatment of acute lymphoblastic leukemia in adults, becoming the first marketed CAR T therapy that does not have a risk evaluation and mitigation strategy attached to its label. The approval of Aucatzyl was based on results of the Felix clinical trial in relapsing/remitting ALL, which showed a strong safety profile compared to existing CAR T-cell therapies. The conduct of the trial was dogged by the COVID-19 pandemic, but of the 65 patients from an initial dosed cohort of 95 for whom efficacy was evaluated by the FDA, 63% achieved overall complete remission.

Zap Surgical Systems Inc. reported closing a $78 million series E funding round led by Qingdao Baheal Medical Inc., with participation from other strategic investors. The new funds will be used to commercialize the company’s Zap-X gyroscopic radiosurgery platform for the non-invasive treatment of brain tumors.

The U.S. Government Accountability Office has rejected an appeal by MCI Diagnostics Inc. regarding a contract bid with the Department of Veterans Affairs despite the company’s assertion that the VA pricing mechanism is flawed.

Early-stage breast cancer patients in the U.S. may soon be able to access another treatment regime based on the result of a Nov. 7 FDA advisory committee for the Prosense cryoablation system by Icecure Medical Ltd. The advisory committee voted 9-5 that the benefits of Prosense outweigh the risks, although the FDA has yet to decide on the application.

Allovir Inc., which has struggled since late last December, will merge with privately held Kalaris Therapeutics Inc. to develop therapies for treating neovascular and exudative retinal diseases. Kalaris already has an anti-VEGF treatment in a phase I study with a data readout set for the third quarter of 2025. Once the deal closes, the combined company name will be Kalaris Therapeutics Inc. and shares will trade on Nasdaq as KLRS. The new company said it plans to drive development of TH-103 for treating neovascular age-related macular degeneration (nAMD), diabetic macular edema and retinal vein occlusion. The phase I study is for treatment of nAMD.

The U.S. FDA has had its sights on artificial intelligence (AI) for some time, but an upcoming advisory hearing will review questions such as the regulatory status of a generative AI (GenAI) algorithm. This is just one of several AI-related dilemmas facing the agency in the next few years.