The CAR T-cell Lupus Breakthrough Is Real — But It Happened in Germany, Not London
“CAR T-cell therapy put five lupus patients into remission in a University College London Hospitals trial”
The argument in brief
A claim circulating online credits University College London Hospitals with putting five lupus patients into remission using CAR T-cell therapy. The science is real and remarkable, but the institution is wrong. The landmark five-patient trial was conducted at the University Hospital Erlangen in Germany, as reported in Nature Medicine in 2022 and confirmed by The Guardian, BBC News, and a 2024 Lancet follow-up.
Why it spread
UCLH made its own announcement about a UK lupus CAR T-cell trial right around the time the German results were dominating health news. For anyone following the story casually, it was easy to blend the two into one narrative — especially because the underlying science is the same and the results are genuinely exciting. A potential cure for a painful, lifelong autoimmune disease is exactly the kind of story people want to share fast, which leaves little room for checking the fine print on which hospital did what.
The claim that CAR T-cell therapy put five lupus patients into drug-free remission is true — but the credit belongs to a German research team, not University College London Hospitals. Attributing this breakthrough to UCLH is a case of real science, wrong address.
The original trial was led by Professor Georg Schett and Dr. Andreas Mackensen at the University Hospital Erlangen in Germany. Their results, published in Nature Medicine in 2022, showed that five patients with severe systemic lupus erythematosus (SLE) achieved remission after receiving CD19-targeted CAR T-cell therapy. A 2024 follow-up study in The Lancet confirmed the results held up across a larger group of patients, strengthening confidence in the approach.
CAR T-cell therapy works by engineering a patient's own immune cells to hunt down and destroy specific targets — in this case, the misbehaving B cells that drive lupus. The results were striking enough that multiple major outlets, including The Guardian and BBC News, covered the story and correctly identified Erlangen as the source.
So where does UCLH come in? The hospital did announce its own UK-based CAR T-cell trial for lupus patients — a genuinely significant development. But that is a separate program, and none of the five-patient remission results came from it. UCLH treated the first UK lupus patient under its own trial, which is newsworthy on its own terms, but it is not the origin of the breakthrough numbers being shared.
This kind of mix-up matters because it muddies the scientific record and can make it harder for people to find accurate information about where cutting-edge treatments are actually available. When you see a striking medical claim, it is worth checking which institution is named in the original peer-reviewed paper — not just the headline.
Sources
- Nature Medicine (Mackensen et al., 2022)
The original Erlangen/University of Erlangen-Nuremberg trial published in Nature Medicine reported five patients with severe SLE achieving drug-free remission after CD19-targeted CAR T-cell therapy, not a UCLH trial.
- The Lancet (2024 - Georg et al.)
A follow-up and expanded study published in The Lancet in 2024 confirmed durable remission in lupus patients treated with CAR T-cell therapy, with the Erlangen group reporting results across a larger cohort.
- University College London Hospitals NHS Foundation Trust
UCLH announced treating the first UK lupus patient with CAR T-cell therapy as part of a trial, but the landmark five-patient remission result originated from the German Erlangen trial, not UCLH.
- BBC News
BBC reporting on the CAR T-cell lupus breakthrough attributed the five-patient remission results to the University of Erlangen-Nuremberg in Germany, not University College London Hospitals.
- The Guardian
The Guardian reported the five lupus patients achieving remission were treated at the University Hospital Erlangen in Germany, led by Professor Georg Schett, not at UCLH.
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