The U.S. FDA’s January 2025 draft guidance for test validation in public health emergencies drew only six responses, but pointed responses they were, indeed. As an example, the Association for Molecular Pathology (AMP) said the draft’s recommendation for the use of 30 positive and 30 negative (30/30) samples for validation of lab-developed tests is likely to hamper test availability in an emergent situation, a time when samples are likely to be difficult to obtain.

The U.S. FDA’s latest draft guidance on pulse oximeters drew comment from the International Standards Organization and the International Electrotechnical Commission, which are making the case that in addition to differences in pigmentation, the pulsatility of the tissue in contact with the device is also a factor in device performance.

In another real-life episode of “sponsor beware,” the owners of a clinical research facility pleaded guilty March 10 in U.S. district court to fraud charges resulting from their conduct of two clinical trials for potential asthma drugs.

Sooma Oy secured U.S. FDA investigational device exemption approval to initiate a pivotal study of its transcranial direct current stimulation medical device in people with major depressive disorder. The study will examine the efficacy of the non-invasive Sooma 2Gen device in improving MDD as an at-home treatment.

Martin Makary, President Donald Trump’s pick to head the U.S. FDA, took his turn before the Senate Health, Education, Labor and Pensions (HELP) Committee March 6, a week ahead of the committee’s confirmation votes on both him and Jay Bhattacharya as the next NIH director. The committee votes will set the stage for the full Senate to vote on confirming both nominees later this month.

The U.S. FDA drafted a guidance for clinical trials for evaluation of optical imaging (OI) agents. The policy may allow clinical studies to evaluate an OI agent by means of an intrasubject study design, which would save time and money for the sponsor.

Royal Phillips NV opted to withdraw the Tack endovascular repair device only six years after the U.S. FDA’s approved it. Tack is designed to repair vascular dissection caused by angioplasty. The associated recall lists 20 injuries and no fatalities, but the device design might be a culprit in forcing the withdrawal of the Tack.

The rash of firings at agencies of the Department of Health and Human Services has provoked a Feb. 28 letter from Reps. Dianna DeGette (D-Colo.) and Frank Pallone (D-N.J.), blasting the dismissals and insinuating that the dismissals were politically motivated.

The Apple Watch may be able to alert wearers to heart palpitations, but Google LLC’s Pixel Watch 3 can now detect when a user’s heart stops – and call emergency services. The pulse detection featured received clearance from the U.S. FDA on Feb. 26 and Google plans to make it available on its Pixel Watch 3 starting in March. Pulse detection is already available for watches sold in the U.K. and EU.