Observational studyWorld journal of surgery2023
Time to Treatment Initiation for Six Cancer Types: An Analysis of Data from a Nationwide Registry in Japan.
Observational study in World journal of surgery, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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Who cites it
17 citing papers in PubMed.
- A scoping review of real-world data sources for retrospective oncology analysis in Japan.ESMO real world data and digital oncology · 2026Review
- Access and time to chemotherapy among Ethiopian cancer patients: a population-based registry study.The oncologist · 2026Article
- Cancer patient navigation interventions improving timeliness from diagnosis to first treatment in oncology care: A scoping review.Japan journal of nursing science : JJNS · 2026Article
- Time to Treatment Initiation Analysis in Patients with Localized Extremity Non-Small Round Cell Sarcoma.Asian Pacific journal of cancer prevention : APJCP · 2026Article
- A Systematic Review of Methods to Measure Adherence to Oral Anticancer Medications in African Women With Breast Cancer at Initiation, Implementation, and Discontinuation of Therapy.International journal of breast cancer · 2026Review
- Measuring Surgical Waiting Times in Breast Cancer: Admission to Surgery Versus Biopsy Result to Surgery.Healthcare (Basel, Switzerland) · 2025Article
- Negative Impact of Coronavirus Disease 2019 Pandemic on Gastric Cancer Care in Japan: A Tokushukai Real-World Data Project 08 (TREAD 08).JGH open : an open access journal of gastroenterology and hepatology · 2025Article
- Embracing and implementing the WHO cervical cancer elimination campaign goals: A consensus statement by SGO, ACOG, ASCCP, ASTRO, and ABS on minimum quality care standards for cervical cancer patients in the U.S.Gynecologic oncology · 2025Article
- Cancer-specific cut-offs of treatment initiation delay and assessment of their associated variables: a research concern.The Lancet regional health. Southeast Asia · 2025Article
- Impacts of COVID-19 pandemic on short-term outcomes of low anterior resection performed in hospitals with different surgical volumes.Annals of gastroenterological surgery · 2025Article
- Public assistance and survival equality in patients with EGFR mutation-positive lung cancer.Japanese journal of clinical oncology · 2025Article
- Initial Treatment Modalities in Patients with Newly Diagnosed Primary Lung Cancer in Japan.Current oncology (Toronto, Ont.) · 2025Article
- Study on the Chemical Composition and Multidrug Resistance Reversal Activity ofInternational journal of molecular sciences · 2025Article
- Access to timely cancer treatment initiation in India: extent, determinants and trends.The Lancet regional health. Southeast Asia · 2025Article
- Impact of time-to-treatment initiation on survival in single primary non-small cell lung Cancer: A population-based study.Heliyon · 2023Article
- Frailty and Colorectal Surgery: Review and Concept of Cancer Frailty.Journal of clinical medicine · 2023Review
- Clinicopathological and immunohistochemical profile of breast lesions diagnosed by core needle biopsy: a retrospective study from Sf. Ioan Hospital, Bucharest, Romania.Romanian journal of morphology and embryology = Revue roumaine de morphologie et embryologieArticle
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Authors and funding
10 authors.
Funding
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Abstract
backgroundDelay in the time to treatment initiation (TTI) may adversely affect the survival of patients, but its current status in Japan is unknown. This study aims to describe the TTI for six cancer types: lung, breast, colorectal, stomach, head and neck (H&N), and cervical. Data for this study were derived from a nationwide registry in Japan.
methodsThis observational study employed the national database of hospital-based cancer registries (HBCRs) and health services utilization data. Using HBCR data, we identified all patients with cancer who started their cancer therapy at the same hospitals between January 1 and December 31, 2017. We calculated the TTI for each cancer type and treatment option, stratifying the results by age group and geographical region.
resultsThe overall median TTI was 33 days, with shorter TTIs for colorectal and H&N cancers and chemotherapy. The TTI was the shortest for younger patients and the longest for the elderly, especially for lung cancer. When categorized by eight Japanese geographical regions, Tohoku and Kanto had the longest TTI. The result remained the same even after adjusting cancer type, treatment, age, and stage information.
conclusionFor colorectal and H&N cancers, in which a longer TTI is associated with a poorer prognosis, TTI was found to be particularly shorter. Although we could not discuss our results in light of the patient survival in this study, future research should explore the best balance between thorough evaluation before treatment and necessary time for that.
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