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NewsThree of England's seven NHS Genomics Laboratory Hubs are failing to submit genetic variant data to public databases like ClinVar, despite a 2024 requirement to do so. The gaps — blamed on staffing shortages and outdated IT — are leaving rare disease patients in diagnostic limbo. Experts warn the failure betrays patient trust and undermines the value of publicly funded genetic testing.
Three of England's seven NHS Genomics Laboratory Hubs (GLHs) are not routinely submitting genetic variant data to public databases like ClinVar, despite being required to do so since 2024 under Association for Clinical Genomic Science (ACGS) guidance. A BMJ investigation, based on freedom of information requests, found that even among the four hubs that are submitting data, significant backlogs, inconsistencies, and gaps remain. The labs cite staffing shortages, underdeveloped policies, and outdated IT infrastructure as the primary barriers.
The consequences are real for patients with rare diseases. When variant data isn't shared, clinicians and researchers elsewhere can't access the evidence needed to interpret genetic findings — delaying or preventing diagnosis. Families like that of Sophie Muir, whose son has a CACNA1C-related disorder, say the gaps create "structural blind spots" that slow reclassification of variants and limit research progress. Experts stress that patients who consented to data sharing for the greater good are effectively being let down.
Key Takeaways:
Why it matters: Genetic variant databases are a cornerstone of rare disease diagnosis. When publicly funded labs fail to contribute data, the entire clinical and research ecosystem suffers — and patients who may already be waiting years for answers face even longer delays.
