The Food and Drug Administration on Friday rejected — again — an experimental treatment for advanced skin cancer developed by Replimune Group. 

Replimune’s treatment, an engineered virus designed to rev up the immune system against melanoma, has been a flashpoint in a simmering debate over shifting standards at the agency.

The drug was initially rejected in July, just two months after Vinay Prasad was appointed the FDA’s head of biologics. As an academic oncologist, Prasad criticized regulators for approving drugs with limited data, and the Replimune decision was viewed as a possible sign of the stricter stance he might take at the agency.

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Why is old exon science getting new traction? What’s unsettling biotech VCs? And who will be the next CEO of PhRMA?

We discuss all that and more on the latest episode of “The Readout LOUD,” STAT’s weekly biotech podcast.

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In which RFK Jr. says the “government lies to us” while sitting in front of an HHS seal. Send news tips and podcast recommendations to John.Wilkerson@statnews.com or John_Wilkerson.07 on Signal.

First, control health care costs

Last month, a group of 12 Senate Democrats proposed a framework for rebuilding the health care system. The idea was to spur input from others ahead of when Democrats might get a chance to act on those plans.

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Georg Schett had two things: a young patient deathly ill with lupus, and a couple of mouse studies raising the possibility that special T cells could tame the condition.

The German physician-scientist could produce the cells — chimeric antigen receptors, or CARs — at his institution, which was half the battle. Another hurdle: The patient’s parents. “They were like, ‘Don’t do that. You’re crazy,’” recalled Fabian Müller, Schett’s collaborator at the University of Erlangen-Nuremberg. A widespread fear at the time was that T cells would trigger or worsen autoimmune disease. 

The rest of the story is the rare scientific fairy tale: The patient got better. Five years on, she is still in remission, and working in the very clinic where she was treated. Her case upended the world of autoimmune disease, driving a flood of experimentation and investment and offering new hope to millions of patients. 

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You’re reading the web edition of D.C. Diagnosis, STAT’s twice-weekly newsletter about the politics and policy of health and medicine. Sign up here to receive it in your inbox on Tuesdays and Thursdays.

The 2026 STAT Madness competition was stacked with research on topics like smart dental floss that monitors stress, Baby KJ’s personalized gene therapy, and an artificial intelligence model designed to predict cell behavior. Check out the winner, unveiled this morning. And as always, send news tips to John.Wilkerson@statnews.com or John_Wilkerson.07 on Signal.

Budget reruns

The 2027 budget that the Trump administration released on Friday is in many ways a repeat of last year’s proposal: It includes deep cuts to the National Institutes of Health, the elimination of a health research agency, and the creation of a new agency devoted to chronic diseases called the Administration for a Healthy America.

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An experimental HIV prevention pill being developed by Merck could be mass produced for less than $5 per patient a year according to a new analysis. Advocates argue the low cost means the company should find it easier to license the drug so that low- and middle-income countries can gain easy access.

The pill, dubbed MK 8527, is currently undergoing a pair of late-stage clinical trials that are expected to determine whether the medicine can lower HIV transmission when given to people at high risk of infection. The results are due in the latter half of 2027, according to separate postings on ClinicalTrials.gov.

Already, the pill is generating considerable interest after Merck released mid-stage results last summer showing its drug holds promise. In addition to being safe and effective, the study found it could protect against infection, a form of prevention known as pre-exposure prophylaxis or PrEP, within 24 hours after being taken. Merck noted the pill works in a novel way.

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WASHINGTON — The Food and Drug Administration used the president’s budget to propose policies aimed at encouraging domestic development and manufacturing of drugs.  

FDA Commissioner Marty Makary has said the agency needs “giant, big ideas” to counter China’s dominance in early-stage clinical development of drugs. Among the FDA’s ideas are proposals to make it easier to run early-stage trials in the U.S. and to hand an advantage to U.S.-based generics manufacturers.

The Trump administration has been using a variety of policy levers to try and bring drug manufacturing to the U.S. For example, many of the brand drugmakers that struck deals to lower U.S. prices also promised to increase domestic manufacturing, under the threat of tariffs.

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For the second time in two years, a bill is moving through the Colorado legislature that would exempt orphan drugs, which are used to treat rare diseases, from pricing caps that might be pursued by the state’s Prescription Drug Affordability Board — a panel whose work is being closely watched elsewhere in the country.

The effort reflects concerns that patients may lose access to these drugs if pharmaceutical companies halt sales of such treatments in the state. But opponents argue exemptions would unnecessarily extend to numerous big-selling medicines for common conditions that — thanks to regulatory endorsements — also happen to have an orphan designation.

As a result, consumer advocates complain the maneuver would only increase the risk that countless patients could have trouble paying for a wide variety of medicines. They further argue that the legislation would preserve profits for drug companies at the expense of the state government — and its taxpayers — as it tries to cope with budgetary strains.

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