Forecast horizon — calibration-scored at resolution.
By 2028, at least two sickle cell gene-therapy products will compete head-to-head on real-world VOC-free survival and cost-effectiveness.
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Evidence stream
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Registry data
Apr 18, 2026
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Source publication
A Phase 1/2 Study Evaluating Gene Therapy by Transplantation of Autologous CD34+ Stem Cells Transduced Ex Vivo With the LentiGlobin BB305 Lentiviral Vector in Subjects With Severe Sickle Cell Disease
Semantically related
Nearest claims in the expert-corpus vector space. Ordered by cosine distance — lower is closer.
0.1449
By 2028, exa-cel or a comparable ex vivo gene-edited therapy will have treated >500 SCD patients globally with a durable VOC-free rate >90% at 3 years.
0.1885
By 2028, one-time AAV gene therapy for severe hemophilia B will show ≥5-year FIX expression durability in >70% of treated patients.
0.1974
By 2028, at least two additional subretinal gene therapies (beyond LUXTURNA) will be FDA-approved for monogenic retinal dystrophies.
0.2174
The HGB-206 (lovo-cel) trial's stated primary conclusion — Lentiviral β-globin gene therapy reduces or eliminates VOC events in severe sickle cell disease. — replicates in independent cohorts.
0.2226
By 2028, long-term follow-up will show durability of Zolgensma motor benefit plateau at ≥5 years post-infusion in early-treated cohorts.
0.2274
By 2028, universal newborn SMA screening + early nusinersen (or onasemnogene/risdiplam) will be standard across all US states and most EU countries.