Multi Center Case Control Study on Multiple Risk Factors of Aplastic Anemia
MCSAA
1 other identifier
observational
1,802
0 countries
N/A
Brief Summary
To ascertain the risk factors of AA in ZheJiang Province of China at the moment, especially the comprehensive multiple factors risks. The author conducted a case-control research included 338 AA cases and 1464 controls. Subjects were surveyed using same standard questionnaire including personal data, past histories of diseases, family history and histories of occupational and daily exposure to harmful substances. Single and multiple Logistic regression analyses were made using SPSS17.0 on the dates to study potential factors in the development of AA.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for all trials
Started Jan 2003
Longer than P75 for all trials
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
January 1, 2003
CompletedPrimary Completion
Last participant's last visit for primary outcome
January 1, 2014
CompletedStudy Completion
Last participant's last visit for all outcomes
January 1, 2014
CompletedFirst Submitted
Initial submission to the registry
July 18, 2016
CompletedFirst Posted
Study publicly available on registry
July 5, 2017
CompletedJuly 5, 2017
July 1, 2017
11 years
July 18, 2016
July 3, 2017
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
the items about daily Exposures
Whether living or working near chemical factory or ionizing radiation, whether living in newly decorated apartments/house, having pets/livestock
January 2014
Secondary Outcomes (4)
Individual Behaviours
January 2014
Occupational Exposures
January 2014
Individual Health Status
January 2014
Family disease history
January 2014
Study Arms (2)
AA Group
All the patients of AA group met a AA diagnostic criteria;
Control Group
The control group were chosen from other departments who were under acute infection (such as pneumonia), acute abdominal emergency (such as appendicitis), cataract surgery;
Interventions
Eligibility Criteria
All the patients of AA group met a AA diagnostic criteria;The control group were chosen from other departments who were under acute infection (such as pneumonia), acute abdominal emergency (such as appendicitis), cataract surgery; All cases had no history of tumor and radiation and chemotherapy, without receiving the immunological therapy; the control group cases without hematological diseases, autoimmune diseases, Fanconi anemia, congenital diseases, etc.
You may qualify if:
- All the patients of AA group met a AA diagnostic criteria;The control group were chosen from other departments who were under acute infection (such as pneumonia), acute abdominal emergency (such as appendicitis), cataract surgery;
- years old, male or female;
- Sign the informed consent.
You may not qualify if:
- With myelodysplastic syndrome, leukaemia, multiple myeloma,megaloblastic anaemia, paroxysmal sleep hemoglobinuria disease blood disease, etc.
- History of tumor, radiation or chemotherapy, once accept the immunological therapy, autoimmune diseases or allergic disease patients;
- Patients with neurological diseases.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Shengyun Linlead
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Design
- Study Type
- observational
- Observational Model
- CASE CONTROL
- Time Perspective
- RETROSPECTIVE
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR INVESTIGATOR
- PI Title
- chief
Study Record Dates
First Submitted
July 18, 2016
First Posted
July 5, 2017
Study Start
January 1, 2003
Primary Completion
January 1, 2014
Study Completion
January 1, 2014
Last Updated
July 5, 2017
Record last verified: 2017-07
Data Sharing
- IPD Sharing
- Will not share