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Cancer Survival Analysis

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Cancer survival analysis focuses on quantifying and interpreting the time from a key starting point, such as diagnosis or the initiation of treatment, to a specific endpoint, such as remission or death. This analysis provides critical insights into treatment effectiveness and factors that influence patient outcomes, helping to shape clinical decisions and guide prognostic evaluations. A cornerstone of oncology research, survival analysis tackles the challenges of skewed, non-normally...
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Several factors can increase the risk of cancer in an individual. About 50% of cancer cases can be prevented by adopting a healthy lifestyle, regular exercise, eating healthy, and following a modest cancer prevention diet. Epidemiological studies have consistently shown that populations with vegetable and fruit-rich diets have reduced the incidence of cancer. On the other hand, populations who have a diet rich in animal fat, red meat, junk food, or high calories are predisposed to cancer.
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Replicative cell senescence is a property of cells that allows them to divide a finite number of times throughout the organism's lifespan while preventing excessive proliferation. Replicative senescence is associated with the gradual loss of the telomere — short, repetitive DNA sequences found at the end of the chromosomes. Telomeres are bound by a group of proteins to form a protective cap on the ends of chromosomes. Embryonic stem cells express telomerase — an enzyme that adds...
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Cancer arises from mutations in the critical genes that allow healthy cells to escape cell cycle regulation and acquire the ability to proliferate indefinitely. Though originating from a single mutation event in one of the originator cells, cancer progresses when the mutant cell lines continue to gain more and more mutations, and finally, become malignant. For example, chronic myelogenous leukemia (CML) develops initially as a non-lethal increase in white blood cells, which progressively...
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Global and Current Research Trends of Single-Cell Sequencing in Cancer: A Bibliometric and Visualization Study
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Declines in Cancer Death Rates Among Youth: United States, 2001-2021.

Sally C Curtin, Robert N Anderson

    NCHS Data Brief
    |December 5, 2023
    PubMed
    Summary

    Childhood cancer death rates in the U.S. have significantly declined since the 1970s. This trend continued through 2021, showing decreases across all pediatric age groups and demographics.

    Area of Science:

    • Pediatric Oncology
    • Public Health Surveillance
    • Epidemiology

    Background:

    • Cancer death rates for U.S. youth have shown a significant decline since the mid-1970s.
    • Previous reports indicated declining trends across all 5-year age groups of youth from 1999-2014.
    • This study updates previous findings by examining trends through 2021.

    Purpose of the Study:

    • To present updated trends in cancer death rates for U.S. youth through 2021.
    • To analyze cancer mortality trends by sex, age group, race, and ethnicity.
    • To examine trends for the three most common cancer types in children and adolescents.

    Main Methods:

    • Utilized national vital statistics data to analyze cancer death rates in U.S. youth.
    • Examined trends from 2001 to 2021, overall and stratified by sex.

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  • Presented data for specific years (2001, 2011, 2021) by 5-year age groups and racial/ethnic categories (White, Black, Hispanic).

    • Main Results:

    • Cancer death rates for U.S. youth continued to decline through 2021.
    • Declines were observed across all 5-year age groups and for both males and females.
    • Trends were analyzed for White, Black, and Hispanic youth, as well as for the most common pediatric cancer types.

    Conclusions:

    • The significant decline in childhood cancer mortality in the U.S. has persisted through 2021.
    • These findings highlight successful advancements in pediatric cancer treatment and care.
    • Continued surveillance is crucial to monitor and address disparities in cancer outcomes among youth.