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Taking people in ChinaNo phase

Follows people with blood diseases in China to study treatment and outcomes

Collects records from people with blood cancers and bleeding disorders over time.

Plain-language title generated from the registry record
Registry title: National Longitudinal Cohort of Hematological Diseases

Key facts

Where
Tianjin, ChinaSee the site

Where in China

  • Institute of Hematology & Blood Diseases HospitalTianjin, ChinaTaking people

Questions to ask the study team

  1. How often do I need to come in, and for how long each time?
  2. Are travel costs paid?
  3. Can I keep my own doctor?
  4. What happens if I want to stop?
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Trial details

Who runs it
Institute of Hematology & Blood Diseases Hospital, China
Trial code
NCT04645199
Record updated
12 February 2026
Original description
Background Hematological diseases are disorders of the blood and hematopoietic organs. The current hematological cohorts are mostly based on single-center or multi-center cases, or cohorts with limited sample size in China. There is a lack of comprehensive and large-scale prospective cohort studies in hematology. The purpose of this study is to analyze the incidence and risk factors of major blood diseases, the treatment methods, prognosis and medical expenses of these patients in China.Read full original descriptionShow less

National Longitudinal Cohort of Hematological Diseases (NICHE)

Background Hematological diseases are disorders of the blood and hematopoietic organs. The current hematological cohorts are mostly based on single-center or multi-center cases, or cohorts with limited sample size in China. There is a lack of comprehensive and large-scale prospective cohort studies in hematology. The purpose of this study is to analyze the incidence and risk factors of major blood diseases, the treatment methods, prognosis and medical expenses of these patients in China.

Method The study will include patients diagnosed with acute myeloid leukemia, multiple myeloma, hemophilia, aplastic anemia, leukemia, myelodysplastic syndrome, lymphoma, bleeding disorders, autoimmune hemolytic anemia, large granular lymphocyte leukemia, essential thrombocythemia, blood infection or received bone marrow transplantation in the investigating hospitals from January 1, 2020, and collect basic information, diagnostic and treatment information, prognosis information, as well as medical expense information from medical records. In its current form, the NICHE registry incorporates historical data (collected from 2000) and is systematically collecting prospective data in two phases with broadening reach, and prospectively follow-up to collect the prognosis information.

Inclusion: Patients who were diagnosed with acute myeloid leukemia, multiple myeloma, hemophilia, aplastic anemia, leukemia, myelodysplastic syndrome, lymphoma, bleeding disorders or received bone marrow transplantation in the investigating hospitals from January 1, 2020.

Exclusion: Long-term follow-up information for patients is not available for any reason, such as not being available or having a serious concomitant disease; Alcohol and drug addictions affect their ability to comply with study requirements; According to the investigator, there are conditions that may endanger the patient's safety or affect his/her compliance.

ClinicalTrials.gov NCT04645199