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International prognostic score for asymptomatic early-stage chronic lymphocytic leukemia

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216224%3A14110%2F20%3A00117894" target="_blank" >RIV/00216224:14110/20:00117894 - isvavai.cz</a>

  • Alternative codes found

    RIV/65269705:_____/20:00072784

  • Result on the web

    <a href="https://watermark.silverchair.com/bloodbld2019003453.pdf?token=AQECAHi208BE49Ooan9kkhW_Ercy7Dm3ZL_9Cf3qfKAc485ysgAAA-wwggPoBgkqhkiG9w0BBwagggPZMIID1QIBADCCA84GCSqGSIb3DQEHATAeBglghkgBZQMEAS4wEQQMXRXeaAY25mjozM5SAgEQgIIDnxhMmZAU5cNiFCUDj79Os54hBBpUZ00qooo" target="_blank" >https://watermark.silverchair.com/bloodbld2019003453.pdf?token=AQECAHi208BE49Ooan9kkhW_Ercy7Dm3ZL_9Cf3qfKAc485ysgAAA-wwggPoBgkqhkiG9w0BBwagggPZMIID1QIBADCCA84GCSqGSIb3DQEHATAeBglghkgBZQMEAS4wEQQMXRXeaAY25mjozM5SAgEQgIIDnxhMmZAU5cNiFCUDj79Os54hBBpUZ00qooo</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1182/blood.2019003453" target="_blank" >10.1182/blood.2019003453</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    International prognostic score for asymptomatic early-stage chronic lymphocytic leukemia

  • Original language description

    Most patients with chronic lymphocytic leukemia (CLL) are diagnosed with early-stage disease and managed with active surveillance. The individual course of patients with early-stage CLL is heterogeneous, and their probability of needing treatment is hardly anticipated at diagnosis. We aimed at developing an international prognostic score to predict time to first treatment (TTFT) in patients with CLL with early, asymptomatic disease (International Prognostic Score for Early-stage CLL [IPS-E]). Individual patient data from 11 international cohorts of patients with early-stage CLL (n = 4933) were analyzed to build and validate the prognostic score. Three covariates were consistently and independently correlated with TTFT: unmutated immunoglobulin heavy variable gene (IGHV), absolute lymphocyte count higher than 15 x 10(9)/L, and presence of palpable lymph nodes. The IPS-E was the sum of the covariates (1 point each), and separated low-risk (score 0), intermediate-risk (score 1), and high-risk (score 2-3) patients showing a distinct TTFT. The score accuracy was validated in 9 cohorts staged by the Binet system and 1 cohort staged by the Rai system. The C-index was 0.74 in the training series and 0.70 in the aggregate of validation series. By meta-analysis of the training and validation cohorts, the 5-year cumulative risk for treatment start was 8.4%, 28.4%, and 61.2% among low-risk, intermediate-risk, and high-risk patients, respectively. The IPS-E is a simple and robust prognostic model that predicts the likelihood of treatment requirement in patients with early-stage CLL. The IPS-E can be useful in clinical management and in the design of early intervention clinical trials.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    30205 - Hematology

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2020

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Blood

  • ISSN

    0006-4971

  • e-ISSN

    1528-0020

  • Volume of the periodical

    135

  • Issue of the periodical within the volume

    21

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    11

  • Pages from-to

    1859-1869

  • UT code for WoS article

    000535968000010

  • EID of the result in the Scopus database

    2-s2.0-85085157110