About this trial
DECIPHER is a retrospective multicentre observational cohort study using data collected across UKCHART sites. The study will evaluate the impact of ethnicity, socioeconomic deprivation and comorbidity burden on treatment delivery and outcomes in adults diagnosed with DLBCL between 2021 and 2025.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Adults aged ≥18 years.
Newly diagnosed DLBCL.
Managed within participating UKCHART sites.
Disqualifiers
Transformed lymphoma.
Insufficient linkage data.
Trial population
Data will be collected retrospectively by the 21 individual trusts which make up UKCHART. The population catchment is around 18 million.
Trial design
Cohort
Retrospective
Treatments tested in this trial
Not listed
Trial groups
Trial outcomes
Primary outcomes
Treatment completion
Delivered versus planned number of frontline chemoimmunotherapy cycles
Dose intensity reduction
Occurrence and magnitude (%) of chemotherapy dose reductions, particularly reductions \>25% from planned treatment
Secondary outcomes
Overall Survival (OS)
Measured as time from diagnosis (or treatment start, as defined in the SAP) to death from any cause
Progression-Free Survival (PFS)
Measured as time from diagnosis/treatment initiation to disease progression, relapse, or death.
Stage at Diagnosis
Measured using Ann Arbor stage recorded at diagnosis
Time to Treatment Initiation
Measured as the interval between diagnosis and commencement of first-line treatment.
Locations
Sponsors and contacts
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