Ryan Cross

@scienceboss.bsky.social

Senior Science Correspondent at Endpoints News. Reach out privately on Signal: RyanCross.25

Nava Therapeutics, a startup led by former Spark Therapeutics science leader Federico Mingozzi, has emerged from stealth with $89 million to develop in vivo CAR-T therapies, plus LNPs that target the kidney. My exclusive for @endpts.com has the details: endpoints.news/nava-therape...

Exclusive: Lipid nanoparticle startup Nava emerges with $89M to target T cells and kidney

Nava Therapeutics discloses it has raised $89M as it targets in vivo CAR-T and kidney delivery with novel lipid nanoparticles.

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Biogen's experimental Alzheimer's drug diranersen, which shuts down the production of tau, had mixed results in a Phase 2 study, with the lowest dose unexpectedly showing the greatest effect. My latest for @endpts.com digs into the data presented at #AAIC26. endpoints.news/biogens-tau-...

Questions linger over Biogen's tau drug for Alzheimer's, as low dose reports better results

Biogen's tau-lowering diranersen slows Alzheimer's decline 26% at the lowest dose in Phase 2, but an inverse dose response and a missed endpoint cloud the data.

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ARPA-H has awarded 7 groups of scientists up to $160M total, over 5 years, to each develop multiple gene editing therapies and bring them to clinical testing. That's a tall order on a tight budget, and some scientists say its not enough. More in @endpts.com: endpoints.news/arpa-h-bookm...

ARPA-H bookmarks $160M for custom gene editing treatments. Is it enough?

ARPA-H taps 7 teams for up to $160M to build bespoke gene editing drugs, betting on Baby KJ's playbook — but some scientists say funding falls short.

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When we evaluate biotech startups for inclusion in our annual Endpoints 11 list, we look for companies that are swinging for the fences with cutting-edge science, where success or failure will make a big dent. Nominations open until July 15: endpoints.news/nominations-...

Nominations are open for the 2026 Endpoints 11 awards — submit by July 15

Endpoints opens nominations for its 2026 Endpoints 11 awards; submit standout private biotech startups by July 14 ahead of the Sept. 24 gala dinner.

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Spot Bio has raised $40M to deliver genetic instructions for full-length dystrophin (the big muscle protein that's broken or missing in muscular dystrophy) with natural nanoparticles known as extracellular vesicles. My latest for @endpts.com has the details: endpoints.news/spot-bio-lau...

Exclusive: Spot Bio launches with $40M to study mRNA therapy for muscular dystrophy

Spot Biosystems emerges from stealth with $40M raised, reporting early human data showing dystrophin restoration in two children with Duchenne muscular dystrophy.

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Kopra Bio is planning a trial in China to test a genetically engineered virus that helps expose brain tumors by releasing an inflammatory molecule that recruits immune cells. Read more about the approach and the company in my latest for @endpts.com endpoints.news/ucsf-spinout...

Exclusive: UCSF spinout nets $9.1M to test virus therapy for brain cancer in China

UCSF spinout Kopra Bio has raised $9.1M to inject a genetically engineered virus into glioblastoma patients in a China trial.

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Lilly is partnering with Ascidian to develop RNA "exon editing" therapies for genetic kidney diseases (an interesting drug delivery challenge!) It's at least the 6th deal Lilly has struck in just over a week, reaching a total deal value of $10B. More in @endpts.com : endpoints.news/lilly-strike...

Lilly strikes Ascidian deal worth up to $1.9B for RNA editing in kidney diseases

Last month, Ascidian Therapeutics presented the first data suggesting a new way to fix broken genes may be safe in people. Now Eli Lilly has struck a deal with the startup.

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The @alleninstitute.org, long known for its focus on simply trying to understand how the brain works, is launching a $200 million initiative to translate its knowledge into drug development for neurodegenerative diseases. My story for @endpts.com has the details: endpoints.news/allen-instit...

Allen Institute launches $200M effort to turn brain atlas lessons into medicines

The Allen Institute is launching a $200 million initiative to explore specific neurodegenerative diseases and even develop drugs for those conditions.

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Tune Tx's CRISPR-based epigenetic editing shows promise against chronic hepatitis B infections, and the company says its on track for a cure. I explain the novel technology and break down the company's biomarker data in my latest story for @endpts.com : endpoints.news/epigenetic-e...

Epigenetic editing shows promise against chronic hep B infections

Tune Therapeutics' new method of CRISPR-based gene editing shows promise in curtailing chronic hepatitis B infections.

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At a time when most US gene editing companies have trimmed their pipelines, China-based YolTech Tx has brought six CRISPR therapies into the clinic. Now they've raised $70M to ramp up trials in China and the US. Read more in my exclusive for @endpts.com: endpoints.news/china-gene-e...

Exclusive: China gene editing startup YolTech raises $70M to move CRISPR therapies forward

Yoltech Therapeutics, one of China’s most prolific gene editing companies has raised its biggest round of funding ahead of plans to go public in Hong Kong.

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New York City-based Waypoint Bio has raised a $20 million series A to run three CAR-T trials (investigator initiated trials) in China, with a focus on solid tumors (including some in vivo approaches). My latest for @endpts.com has the details: endpoints.news/waypoint-bio...

Exclusive: Waypoint Bio raises $20M to run three CAR-T trials in China

New York City-based startup Waypoint Bio has raised $20 million in series A financing to test multiple cell therapies in China.

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Two former Orbital Therapeutics scientists have launched a new #mRNA therapy startup to bring the durability of circular RNA into the old-fashioned and easier-to-make linear mRNA. Read more in my exclusive for @endpts.com: endpoints.news/former-orbit...

Exclusive: Startup aims to lift mRNA out of purgatory with more durable therapies

Two scientists think they've solved a technical problem that has kept the mRNA revolution from reaching its full potential.

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Three gene therapy pioneers—Jean Bennett, Albert Maguire and Katherine High—just won the Breakthrough Prize. I talked to them about the long, winding road to Luxturna and the struggle to parlay that singular success into more therapies for retinal diseases. @endpts.com endpoints.news/three-gene-t...

Three gene therapy pioneers just won the Breakthrough Prize. This is their story

A trio of scientists behind the first gene therapy approved in the United States, Jean Bennett, Albert Maguire and Katherine High, have been awarded a Breakthrough Prize in Life Sciences. It’s arguabl...

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We've got a great lineup for Endpoints Drug Discovery day tomorrow (Wed. April 15). We'll be covering gene editing "beyond CRISPR," AI agents in the lab, drug delivery tech that promises to revolutionize Alzheimer's treatments and more. Sign up here: events.endpoints.news/drugday26

ENDPOINTS Drug Discovery Day 2026

Every blockbuster new drug starts as hundreds of hours in the lab and behind the computer screen. Join us to get a window into that painstaking, sometimes painful process. What mechanisms are getting ...

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"The moment that you don’t do something for fear of becoming political is the moment that you’ve become political yourself," Karen Knudsen told me. "And if mRNA vaccine technology is the way to prevent cancer recurrence, I think it will be warmly embraced." endpoints.news/parker-insti...

Parker Institute doubles down on cancer vaccines as part of ongoing reboot

At a moment when many drug developers are shying away from politically-charged mRNA vaccines, the Parker Institute for Cancer Immunotherapy is doubling down on the technology’s promise to treat and pr...

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