Use of pathology-specific peripheral blood CD34 thresholds to predict leukapheresis CD34 content with optimal accuracy: a bicentric analysis of 299 leukaphereses

CD34+ cell counts in peripheral blood (PB) and corresponding numbers of CD34+ cells and colony-forming units-granulocyte/macrophage (CFU-GM) in 299 leukapheresis products of 209 patients undergoing PB progenitor cell (PBPC) mobilization for autologous transplantation in two different centers were an...

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Veröffentlicht in:Annals of hematology 2001-11, Vol.80 (11), p.639-646
Hauptverfasser: DOBO, I, ROBILLARD, N, PINEAU, D, GENEVIEVE, F, PIARD, N, RAPP, M.-J, BOASSON, M, ZANDECKI, M, HERMOUET, S
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container_end_page 646
container_issue 11
container_start_page 639
container_title Annals of hematology
container_volume 80
creator DOBO, I
ROBILLARD, N
PINEAU, D
GENEVIEVE, F
PIARD, N
RAPP, M.-J
BOASSON, M
ZANDECKI, M
HERMOUET, S
description CD34+ cell counts in peripheral blood (PB) and corresponding numbers of CD34+ cells and colony-forming units-granulocyte/macrophage (CFU-GM) in 299 leukapheresis products of 209 patients undergoing PB progenitor cell (PBPC) mobilization for autologous transplantation in two different centers were analyzed and compared according to diagnosis: non-Hodgkin lymphoma (NHL, 94 leukaphereses), multiple myeloma (MM, 75), Hodgkin's disease (HD, 37), solid tumors (35), and chronic myeloid leukemia (CML, 32). Without separating disease entities, correlations between PB CD34+ cell counts and leukapheresis content of CD34+ cells (r>0.83, P0.81, P 10(6) CD34/kg was determined. This threshold was higher in center 1 than in center 2, and its predictive accuracy (91.4%, i.e., prediction correct 91.4% of the time) was significantly lower than in center 2 (98.4%, P=0.02). When data were analyzed by pathology, PB CD34+ cell counts and leukapheresis content of CD34+ cells and CFU-GM remained well correlated, and in both centers PB CD34 thresholds predictive of a yield > 10(6) CD34/kg per leukapheresis could be determined for each pathology. For most patients, pathology-specific PB CD34 thresholds could be obtained directly from the equation of the PB CD34/leukapheresis CD34 correlation curve; they varied depending on both pathology and center (range: 7-20 x 10(6) CD34/l). Pathology-specific thresholds predicted a leukapheresis yield > or = 10(6) CD34/kg accurately 100% of the time for MM patients in center 2 and HD and solid tumor patients of both centers, resulting in overall rates of accurate prediction of sufficient graft CD34 content of 96.6% in center 1 and 98.9% in center 2.
doi_str_mv 10.1007/s002770100365
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Apheresis ; Cells, Cultured ; Child ; Child, Preschool ; Colony-Forming Units Assay ; Female ; Forecasting ; Hematologic Neoplasms - blood ; Hematologic Neoplasms - pathology ; Hematologic Neoplasms - therapy ; Hematopoietic Stem Cell Transplantation - methods ; Hematopoietic Stem Cells - chemistry ; Humans ; Leukapheresis - methods ; Leukemia, Myelogenous, Chronic, BCR-ABL Positive - blood ; Leukemia, Myelogenous, Chronic, BCR-ABL Positive - pathology ; Leukemia, Myelogenous, Chronic, BCR-ABL Positive - therapy ; Lymphoma - blood ; Lymphoma - pathology ; Lymphoma - therapy ; Male ; Medical sciences ; Middle Aged ; Myeloid Progenitor Cells - physiology ; Neoplasms - blood ; Neoplasms - pathology ; Neoplasms - therapy ; Sensitivity and Specificity ; Transfusions. Complications. Transfusion reactions. 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For most patients, pathology-specific PB CD34 thresholds could be obtained directly from the equation of the PB CD34/leukapheresis CD34 correlation curve; they varied depending on both pathology and center (range: 7-20 x 10(6) CD34/l). Pathology-specific thresholds predicted a leukapheresis yield &gt; or = 10(6) CD34/kg accurately 100% of the time for MM patients in center 2 and HD and solid tumor patients of both centers, resulting in overall rates of accurate prediction of sufficient graft CD34 content of 96.6% in center 1 and 98.9% in center 2.</description><subject>Adolescent</subject><subject>Adult</subject><subject>Aged</subject><subject>Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy</subject><subject>Antigens, CD34 - analysis</subject><subject>Biological and medical sciences</subject><subject>Blood Cells - chemistry</subject><subject>Blood Cells - transplantation</subject><subject>Blood. Blood and plasma substitutes. Blood products. 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Without separating disease entities, correlations between PB CD34+ cell counts and leukapheresis content of CD34+ cells (r&gt;0.83, P&lt;0.01) and CFU-GM (r&gt;0.81, P&lt;0.01) were excellent. In both centers, a PB CD34 threshold ensuring a leukapheresis yield &gt; 10(6) CD34/kg was determined. This threshold was higher in center 1 than in center 2, and its predictive accuracy (91.4%, i.e., prediction correct 91.4% of the time) was significantly lower than in center 2 (98.4%, P=0.02). When data were analyzed by pathology, PB CD34+ cell counts and leukapheresis content of CD34+ cells and CFU-GM remained well correlated, and in both centers PB CD34 thresholds predictive of a yield &gt; 10(6) CD34/kg per leukapheresis could be determined for each pathology. For most patients, pathology-specific PB CD34 thresholds could be obtained directly from the equation of the PB CD34/leukapheresis CD34 correlation curve; they varied depending on both pathology and center (range: 7-20 x 10(6) CD34/l). Pathology-specific thresholds predicted a leukapheresis yield &gt; or = 10(6) CD34/kg accurately 100% of the time for MM patients in center 2 and HD and solid tumor patients of both centers, resulting in overall rates of accurate prediction of sufficient graft CD34 content of 96.6% in center 1 and 98.9% in center 2.</abstract><cop>Berlin</cop><pub>Springer</pub><pmid>11757722</pmid><doi>10.1007/s002770100365</doi><tpages>8</tpages></addata></record>
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subjects Adolescent
Adult
Aged
Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy
Antigens, CD34 - analysis
Biological and medical sciences
Blood Cells - chemistry
Blood Cells - transplantation
Blood. Blood and plasma substitutes. Blood products. Blood cells. Blood typing. Plasmapheresis. Apheresis
Cells, Cultured
Child
Child, Preschool
Colony-Forming Units Assay
Female
Forecasting
Hematologic Neoplasms - blood
Hematologic Neoplasms - pathology
Hematologic Neoplasms - therapy
Hematopoietic Stem Cell Transplantation - methods
Hematopoietic Stem Cells - chemistry
Humans
Leukapheresis - methods
Leukemia, Myelogenous, Chronic, BCR-ABL Positive - blood
Leukemia, Myelogenous, Chronic, BCR-ABL Positive - pathology
Leukemia, Myelogenous, Chronic, BCR-ABL Positive - therapy
Lymphoma - blood
Lymphoma - pathology
Lymphoma - therapy
Male
Medical sciences
Middle Aged
Myeloid Progenitor Cells - physiology
Neoplasms - blood
Neoplasms - pathology
Neoplasms - therapy
Sensitivity and Specificity
Transfusions. Complications. Transfusion reactions. Cell and gene therapy
title Use of pathology-specific peripheral blood CD34 thresholds to predict leukapheresis CD34 content with optimal accuracy: a bicentric analysis of 299 leukaphereses
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