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Hematocrit to Hemoglobin Ratio and Red Blood Cell Distribution Width in Polycythemia Vera and Secondary Erythrocytosis.

Study Purpose

Polycythemia vera (PV), a hematological neoplasm characterized by excessive erythropoiesis due to Janus kinase 2 (JAK2)- activating mutations. On the other hand, patients with secondary polycythemia (SP), a disorder mostly caused by an increased red cell mass due to chronic hypoxia (i.e, pulmonary disorders and smoking) and erythropoietin-producing tumors (such as leiomyoma, hemangiomas, renal cysts and various carcinomas), are phenotypically slightly different and are usually considered to have significantly better outcomes. Red blood cell distribution width (RDW) reflects the heterogeneity of red blood cell sizes (anisocytosis) and is routinely reported as a part of complete blood count by automated instruments in hematology laboratories.

Recruitment Criteria

Accepts Healthy Volunteers Healthy volunteers are participants who do not have a disease or condition, or related conditions or symptoms	No
Study Type An interventional clinical study is where participants are assigned to receive one or more interventions (or no intervention) so that researchers can evaluate the effects of the interventions on biomedical or health-related outcomes. An observational clinical study is where participants identified as belonging to study groups are assessed for biomedical or health outcomes. Searching Both is inclusive of interventional and observational studies.	Observational
Eligible Ages	18 Years and Over
Gender	All

More Inclusion & Exclusion Criteria

Inclusion Criteria:

- All patients aged 18 years and older who were newly diagnosed to have polycythemia vera between September 2014 and November 2022 at Sohag university hospital, department of internal medicine, hematology unit and hematology outpatient clinic.

Exclusion Criteria:

- Patients were excluded if: (1) their disease was not newly diagnosed, (2) their disease met WHO criteria for chronic, acute myeloid leukemia or other myeloid neoplasms.

Trial Details

Trial ID: This trial id was obtained from ClinicalTrials.gov, a service of the U.S. National Institutes of Health, providing information on publicly and privately supported clinical studies of human participants with locations in all 50 States and in 196 countries.	NCT05993065
Phase Phase 1: Studies that emphasize safety and how the drug is metabolized and excreted in humans. Phase 2: Studies that gather preliminary data on effectiveness (whether the drug works in people who have a certain disease or condition) and additional safety data. Phase 3: Studies that gather more information about safety and effectiveness by studying different populations and different dosages and by using the drug in combination with other drugs. Phase 4: Studies occurring after FDA has approved a drug for marketing, efficacy, or optimal use.
Lead Sponsor The sponsor is the organization or person who oversees the clinical study and is responsible for analyzing the study data.	Sohag University
Principal Investigator The person who is responsible for the scientific and technical direction of the entire clinical study.	Mahmoud Gaber
Principal Investigator Affiliation	Sohag University
Agency Class Category of organization(s) involved as sponsor (and collaborator) supporting the trial.	Other
Overall Status	Recruiting
Countries	Egypt
Conditions The disease, disorder, syndrome, illness, or injury that is being studied.	Polycythemia Vera

Additional Details

We will collect data about clinical manifestations at the time of diagnosis, history of thrombosis and investigations as complete blood picture, including Hematocrit and haemoglobin level, serum uric acid, JAK2V617F mutation status by real time PCR (Polymerase Chain Reaction), bone marrow aspiration and biopsy with reticulin stain. Patients with secondary erythrocytosis will be included as controls and will be recruited from Sohag university hospital especially internal medicine department and chest department.

Arms & Interventions

Arms

: polycythemia vera

All patients aged 18 years and older who were newly diagnosed to have polycythemia vera between September 2014 and November 2022 at Sohag university hospital, department of internal medicine, hematology unit and hematology outpatient clinic.

: secondary erythrocytosis

Patients with secondary erythrocytosis will be included as controls and will be recruited from Sohag university hospital especially internal medicine department and chest department. Patients of chronic respiratory failure, congenital heart diseases, polycystic kidney and other causes recruited in this study to be compared to PV group as regards Hematocrit to Hemoglobin Ratio and Red Blood Cell Distribution Width

Interventions

Contact a Trial Team

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International Sites

Faculty of Medicine, Sohag, Egypt

Status

Recruiting

Address

Faculty of Medicine

Sohag, ,

Site Contact

Mahmoud Gaber

[email protected]

+201007399833

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