Observational studyMedical oncology (Northwood, London, England)2014
How to determine post-FCR therapy for cytogenetic risk-tailored elderly patients with chronic lymphocytic leukemia, maintenance rituximab or observation.
Observational study in Medical oncology (Northwood, London, England), 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
4 citing papers in PubMed, 6 citations in OpenAlex.
- Risk-adapted, ofatumumab-based chemoimmunotherapy and consolidation in treatment-naïve chronic lymphocytic leukemia: a phase 2 study.Leukemia & lymphoma · 2021Trial
- Ofatumumab maintenance prolongs progression-free survival in relapsed chronic lymphocytic leukemia: final analysis of the PROLONG study.Blood cancer journal · 2019Trial
- Maintenance therapy for chronic lymphocytic leukaemia.The Cochrane database of systematic reviews · 2024Review
- A prospective, observational study of added medium-dose cytosine arabinoside versus As2O3 for elderly patients with acute promyelocytic leukemia.Medical oncology (Northwood, London, England) · 2014Observational
Corrections and comments
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Authors and funding
5 authors at 4 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The open-label, prospective, observational study aimed to evaluate whether the addition of maintenance rituximab (MR) improved progression-free survival (PFS) and overall survival (OS), after fludarabine, cyclophosphamide, and rituximab (FCR) for cytogenetic risk-tailored elderly patients with chronic lymphocytic leukemia (CLL). Enrolled 201 patients (ages 65-84 years) who received FCR and gained an overall response. One hundred and four of 201 patients were in the observation (OBS) arm while 97/201 patients continued to receive MR therapy. After FCR, no more benefits were provided by MR versus OBS in cytogenetic better intermediate-risk cohort. PFS at 10 years reached 68.6 versus 58.1 % (P > 0.05). Ten-year OS was 81.8 versus 74.6 % (P > 0.05). However, the improvement of PFS and OS were as dramatic as the improvements of being MR treating versus OBS mainly in the poor-risk cohort. PFS at 10 years reached 57.1 versus 22.7 % (P < 0.01), and 10-year OS was 71.2 versus 41.7 % (P < 0.01). Compared with OBS, no severe hematologic adverse events (AEs) (Grades 3-4) appeared in patients with MR; only some mild non-hematologic AEs incurred (nausea-vomiting 0.96 %, allergy 1.9 % and infection 1.9 %) during the maintenance treatment. The study showed that MR improved 10-year RFS and OS for cytogenetic poor-risk patients with CLL.
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Registered trials
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