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Results for “Remission Induction”

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PubMed1989

On the value of intensive remission-induction chemotherapy in elderly patients of 65+ years with acute myeloid leukemia: a randomized phase III study of the European Organization for Research and Treatment of Cancer Leukemia Group.

We report the results of a prospective study in patients more than 65 years of age in whom two different therapeutic strategies were compared: immediate intensive-induction chemotherapy (arm A) versus "wait and see" and supportive care and mild cytoreductive chemotherapy only for relief of progressive acute myeloid leukemia (AML)-related symptoms (arm B). The major objective of the study was to compare survival outcome of both regimens. Thirty-one patients on arm A received one or two courses of daunorubicin, vincristine, and cytarabine for remission induction followed by one additional cycle for consolidation in case of complete remission (CR). Among 29 patients on arm B, cytoreductive chemotherapy (hydroxyurea, cytarabine) had to be initiated for palliation of leukemia-associated complications in 21 patients at a median of 9 days after diagnosis. Overall survival duration for patients treated on arm A was significantly (P = .015) longer than the survival in arm B (median survival, 21 weeks v 11 weeks; projected survival at 2.5 years, 13% v 0%). Eighteen (58%) of arm A patients and none (0%) of arm B patients entered CR. Of the first group, projected disease-free survival at 2 years is 17%. The median percentages of days spent in the hospital by arm A and B patients were 55% and 50%, respectively. This study shows that a strategy based on modern supportive care and a wait and see approach yields extremely poor results. It is not superior in regard to the frequency of hospital admission and is inferior regarding survival outcome.

Aged↗

PubMed1999

Studies on treatment of acute promyelocytic leukemia with arsenic trioxide: remission induction, follow-up, and molecular monitoring in 11 newly diagnosed and 47 relapsed acute promyelocytic leukemia patients.

Fifty-eight acute promyelocytic leukemia (APL) patients (11 newly diagnosed and 47 relapsed) were studied for arsenic trioxide (As2O3) treatment. Clinical complete remission (CR) was obtained in 8 of 11 (72.7%) newly diagnosed cases. However, As2O3 treatment resulted in hepatic toxicity in 7 cases including 2 deaths, in contrast to the mild liver dysfunction in one third of the relapsed patients. Forty of forty-seven (85.1%) relapsed patients achieved CR. Two of three nonresponders showed clonal evolution at relapse, with disappearance of t(15;17) and PML-RARalpha fusion gene in 1 and shift to a dominant AML-1-ETO population in another, suggesting a correlation between PML-RARalpha expression and therapeutic response. In a follow-up of 33 relapsed cases over 7 to 48 months, the estimated disease-free survival (DFS) rates for 1 and 2 years were 63.6% and 41.6%, respectively, and the actual median DFS was 17 months. Patients with white blood cell (WBC) count below 10 x 10(9)/L at relapse had better survival than those with WBC count over 10 x 10(9)/L (P =.038). The duration of As2O3-induced CR was related to postremission therapy, because there was only 2 of 11 relapses in patients treated with As2O3 combined with chemotherapy, compared with 12 of 18 relapses with As2O3 alone (P =.01). Reverse transcription polymerase chain reaction (RT-PCR) analysis in both newly diagnosed and relapsed groups showed long-term use of As2O3 could lead to a molecular remission in some patients. We thus recommend that ATRA be used as first choice for remission induction in newly diagnosed APL cases, whereas As2O3 can be either used as a rescue for relapsed cases or included into multidrug consolidation/maintenance clinical trials.

Adult↗

PubMed1997

Use of recombinant GM-CSF during and after remission induction chemotherapy in patients aged 61 years and older with acute myeloid leukemia: final report of AML-11, a phase III randomized study of the Leukemia Cooperative Group of European Organisation for the Research and Treatment of Cancer and the Dutch Belgian Hemato-Oncology Cooperative Group.

We conducted a prospective randomized multicenter clinical trial comparing the effects of granulocyte-macrophage colony-stimulating factor (GM-CSF) as an adjunct to intensive chemotherapy in patients of 61 years and older with untreated newly diagnosed acute myeloid leukemia (AML). Patients were randomized to either receive daunomycin-cytosine arabinoside with GM-CSF or daunomycin-cytosine arabinoside (control arm). Based on the rationale that GM-CSF might sensitize the leukemic cells to the cytotoxicity of chemotherapy as well as enhance white blood cell regeneration, GM-CSF was given during chemotherapy as well as after chemotherapy. Patients were treated with one, and in case of a partial response, with two remission induction cycles. When a complete remission was attained they received one additional cycle of consolidation therapy. Of 318 evaluable patients with a median age of 68 years, 157 were randomized to receive GM-CSF and 161 were assigned to control therapy. The effect of GM-CSF on treatment was evaluated according to intention-to-treat. Complete remission was achieved in 56% of the patients in the GM-CSF group and 55% of the control patients (P = .98). Recovery of neutrophils was significantly faster in GM-CSF-treated patients. The median time of recovery of neutrophils towards 0.5 x 10(9)/L was 23 days in the GM-CSF group versus 25 days in the control group (P = .0002) with the percentages of patients who recovered being 81% and 71%, respectively. With a median follow-up of 36 months, the probabilities of survival at 2 years after randomization were estimated at 22% for individuals assigned to the GM-CSF treatment as well as for control patients (P = .55). Disease-free survival at 2 years compared 15% and 19% for the two treatment groups (P = .69). The number of nights spent in the hospital, number of transfusions, and frequencies and types of hemorrhages and infections did not differ either. The cytogenetic results at diagnosis of this study in elderly AML shows that there is a relatively high numerical representation of patients with abnormal cytogenetics (55% of documented cases), who showed significantly inferior response rates and survival duration. We conclude that, except for a faster neutrophil recovery, GM-CSF during and after induction chemotherapy does not improve the clinical outcome of elderly patients with AML.

Acute Disease↗

PubMed1987

Effective remission induction in children with recurrent acute myeloid leukemia by mAMSA, Ara-C, and VP 16.

Five children treated for acute myeloid leukemia according to the BFM protocol AML 83 experienced first bone marrow relapse after 7, 10, 14, 18, and 30 months and were retreated for second remission induction. The chemotherapy consisted of mAMSA (100 mg/m2 per day i.v., days 1-3), ARA-C (100 mg/m2, twice daily, days 1-6), and VP 16 (150 mg/m2 per day, days 4-6). Four of the children achieved a complete second remission after one course of chemotherapy, and the fifth child died of pneumonia during bone marrow aplasia. All surviving children received an identical second course within 4-5 weeks, followed by maintenance chemotherapy. Remission duration was 0, 3, 4, 5, and 5 months. Toxicity was confined to heavy bone marrow depression with thrombocytopenia (nadir 2-7000, days 7-13) and leukocytopenia (nadir 0-400, days 8-14). Bleeding episodes could be prevented by substitution with platelets. Four patients experienced infections (pneumonia, septicemia). We conclude that combination chemotherapy using mAMSA, ARA-C, and VP 16 is effective in inducing a second remission in patients with early bone marrow relapse. The main side effect was considerable bone marrow toxicity.

Amsacrine↗

PubMed1982

Multicentre study on intensified remission induction therapy for acute myeloid leukemia.

In a cooperative study at 13 centres in the Federal Republic of Germany, 213 adult patients with AML were treated for remission induction by a 9-day regimen consisting of cytosine arabinoside, daunorubicin and thioguanine (TAD) according to previously described sequencing. Complete remission was achieved in 70% of all patients. Complete remission rate was 57% in the 49 patients 60 years of age and older and 74% in the 164 patients under 60 years. Sixty-eight per cent of all complete remissions and 75% of those in the higher age group were induced by one induction course. Median survival was 10 months for all patients treated and 16 months for responders. Median remission duration was 13 months with 72 patients still in continuous remission for 1-31 months. Remission duration was not significantly different for patients treated either by monthly maintenance therapy or induction type consolidation without further therapy. However, patients completing two consolidation courses had a significantly longer remission duration of 22 months. Compared to similar multicentre studies on AML therapy the intensified induction regimen applied in this study shows an improvement even in older patients.

Adolescent↗

PubMed2006

Intestinal mucosal dysfunction and infection during remission-induction therapy for acute myeloid leukaemia.

Intestinal barrier function was prospectively examined in the course of a clinical trial evaluating the efficacy and safety of lisofylline for reducing cytotoxic therapy-induced intestinal epithelial damage-related infectious morbidity in patients receiving standard remission-induction therapy for acute myeloid leukaemia. The absorption and permeation of oral D-Xylose, lactulose and mannitol were measured weekly from baseline until marrow recovery in adult recipients of idarubicin plus cytarabine for untreated acute myeloid leukaemia. These studies were correlated with non-haematologic chemotherapy-related toxicities reflecting mucosal damage, including nausea, vomiting, stomatitis, diarrhoea, abdominal pain and systemic infection. D-xylose absorption decreased and lactulose:mannitol ratio reflecting intestinal permeability increased from baseline until the second and third week after the beginning of the treatment followed by recovery. These measures correlated with infection rates, nausea, vomiting, diarrhoea and increased blood product utilization. Lisofylline was associated with increased intestinal permeability, nausea, vomiting and infection-related morbidity despite a reduction in the duration of neutropaenia. These surrogates of intestinal barrier function correlated well with clinically important outcomes despite the failure to demonstrate reduced morbidity with lisofylline and represent useful objective outcome measurements for future clinical trials of products for the amelioration of the effects of cytotoxic therapy on the intestinal mucosa.

Adult↗

PubMed2006

Pilot remission induction therapy with idarubicin, plus an intensified dose of ara-C and priming with granulocyte colony-stimulating factor for acute myeloid leukemia.

BACKGROUND: The sensitization of leukemic cells with hematopoietic growth factors can enhance the cytotoxicity of chemotherapy in acute myeloid leukemia (AML). Intensified remission induction (RI) therapy can also improve the treatment results for AML. Therefore, the current trial attempted to evaluate the efficacy and toxicity of granulocyte colony-stimulating factor (G-CSF) priming and a dose intensification of Ara-C in RI chemotherapy for AML. METHODS: A total of 29 patients with newly diagnosed AML received G-CSF-priming RI chemotherapy consisting of idarubicin (12 mg/m2, days 1-3), G-CSF (150 microg/m2, days 3-8) and Ara-C (500 mg/m2, b.i.d., days 4-8), and the outcomes were compared with those of a historical group treated with a standard regimen consisting of idarubicin (12 mg/m2, days 1-3) and Ara-C (100 mg/m2, days 1-7). RESULTS: There was no difference in sex, age, subtype and cytogenetic risk between the two groups. The complete remission rate and treatment-related mortality were 72 and 17% for the G-CSF-primed group (p = 0.89) and 71 and 10% for the historical group (p = 0.32), respectively. The time to neutrophil recovery (25 vs. 24 days, p = 0.17) and platelet recovery (24 vs. 23 days, p = 0.23) did not differ significantly between the two groups. Similarly, the duration of fever was not significantly different (5 vs. 7 days, p = 0.58). Thirteen patients (45%) experienced fever and 5 patients (17%) manifested skin rashes during the G-CSF priming. After a median follow-up of 336 days, the 1-year overall survival, disease-free survival and event-free survival rates were 72 vs. 63% (p = 0.83), 74 vs. 56% (p = 0.059) and 53 vs. 38% (p = 0.32), respectively. CONCLUSION: The sensitization of leukemic cells with growth factors and dose intensification seem to be clinically applicable means to enhance the efficacy of RI chemotherapy only in selected patients with AML, thereby warranting further studies focusing on specific subgroups of AML patients.

Acute Disease↗

PubMed2003

Low levels of mannose-binding lectin do not affect occurrence of severe infections or duration of fever in acute myeloid leukaemia during remission induction therapy.

PURPOSE: To estimate the clinical significance of low serum concentrations of mannose-binding lectin (MBL) in patients with acute myeloid leukaemia (AML) during initial cancer chemotherapy. PATIENTS AND METHODS: 80 consecutive, newly diagnosed, and unselected AML patients (age 18-77 yr) undergoing remission induction chemotherapy. The patients were examined for 28 d. MAIN FINDINGS: Low levels of serum MBL (<1,000 microg/L) were found in 16/80 patients at diagnosis. This frequency is similar to what is found in the general population. In the remaining 64 patients, MBL concentrations were significantly higher than in controls and showed only a slight rise during the period of antineoplastic chemotherapy with its associated infectious complications. Low levels of MBL did not affect overall survival or morbidity in terms of incidence or duration of fever, or occurrence of septicaemia or pneumonia. Long-term survival was likewise independent of MBL concentration. CONCLUSION: MBL levels have no discernible influence on the occurrence or course of infections in AML patients during the initial hospitalisation. The predominant immunodeficiency during this phase is the profound granulocytopenia, which also compromises important effector functions of MBL. The finding in most AML patients of elevated MBL concentrations on admission is most likely because of the role of MBL as an acute phase reactant.

Acute Disease↗

PubMed1991

Comparison of the multiple dose pharmacokinetics of two formulations of itraconazole during remission induction for acute myeloblastic leukaemia.

This double-blind cross-over study compares the serum pharmacokinetics of a polyethylene glycol formulation of itraconazole (ITRA-PEG; 4 x 50 mg once daily) with a new pelleted formulation (ITRA-PEL; 2 x 100 mg once daily) during remission induction for acute myeloblastic leukaemia. Each formulation was administered for 28 days with a seven day washout period. Five of eight patients (median age 52 years, range 18-65) entering completed both arms of the study. At day 7 for ITRA-PEL (n = 8) the mean +/- one standard deviation and median maximum concentrations (Cmax) were 307 +/- 155 ng/mL and 275 ng/mL respectively and for ITRA-PEG (n = 6) 272 +/- 212 ng/mL and 193 ng/mL. At day 14 for ITRA-PEL (n = 8) the mean +/- S.D. and median Cmax were 412 +/- 227 ng/mL and 375 ng/mL respectively and for ITRA-PEG (n = 5), 315 +/- 177 ng/mL and 327 ng/mL. The Cmax mean and median values were therefore greater with ITRA-PEL but the differences between the two formulations were not statistically significant. Adequate therapeutic levels of itraconazole can be achieved in this clinical setting. However, the wide variation within and between patients suggests that an ITRA-PEL dosage of 400 mg/day may ensure earlier and more consistent therapeutic levels. Measurement of serum levels may be indicated in suspected failure of prophylaxis or treatment.

Adolescent↗

PubMed1993

Randomized comparison of 36-hour intermediate-dose versus 4-hour high-dose methotrexate infusions for remission induction in relapsed childhood acute lymphoblastic leukemia.

PURPOSE: Pharmacokinetics, toxicity, and therapeutic efficacy of two different methotrexate (MTX) infusions for remission induction of relapsed childhood acute lymphoblastic leukemia (ALL) were investigated in a randomized multicenter trial. PATIENTS AND METHODS: Sixty patients with early bone marrow relapse received a polychemotherapy induction protocol starting with either 12 g/m2 MTX as a 4-hour infusion (high-dose [HDM]) or 1 g/m2 as a 36-hour infusion (intermediate-dose [IDM]). In HDM, leucovorin (LCV) was administered orally (12 times, 15 mg/m2 every 6 hours), beginning at hour 24. In IDM, only two doses were administered at hours 48 and 54. RESULTS: Median serum MTX concentrations during infusion were 716 mumol/L in HDM and 7.2 mumol/L in IDM. In HDM, MTX serum levels at hour 24 (median, 2.8 mumol/L) were significantly less than steady-state levels of IDM. Concentrations greater than 1 mumol/L were maintained for 36 hours with HDM and 45 hours with IDM. General tolerance to treatment was better in the HDM group. Mucosal lesions occurred significantly more often and were more severe after IDM treatment. A median treatment delay of 3 days was required in the IDM group but not in the HDM group. At day 15, complete remission (CR) was documented in 45% of IDM- and 48% of HDM-treated patients. Persistent blasts (> 5%) appeared more frequently in HDM than in IDM (35% v 19% of patients; P = NS). After completion of induction therapy, 28 of 30 patients in each group achieved CR. CONCLUSION: Both regimens produced the same remission rates. The tendency to better antileukemic activity of IDM was accompanied by more severe side effects as a consequence of long-lasting cytotoxic MTX levels. Hence, long-term infusion of IDM followed by low-dose LCV is an effective treatment for recurrent ALL.

Adolescent↗

PubMed1981

Protected environment - prophylactic antibiotic program for malignant sarcomas: randomized trial during remission induction chemotherapy.

Fifty-one valuable patients with malignant sarcomas were randomly allocated to receive three courses of remission induction chemotherapy with cyclophosphamide, vincristine, Adriamycin, and dimethyl triazeno imidazole carboxamide (CYVADIC) on the protected environment-prophylactic antibiotic for the control group (P = 0.22). The response rates (complete plus partial) were 71% and 67%, respectively. The durations of response were similar for both groups of patients, but the PEPA patients survived substantially longer (median, 84 weeks vs. 58 weeks). The frequency of infection was significantly lower among the PEPA patients, and the doses of CYVADIC could be escalated more often among these patients. Dosage escalation was associated with a higher complete remission rate and lower fatality rate.

Adolescent↗

PubMed2003

The effect of short-course high-dose methylprednisolone on peripheral blood lymphocyte subsets in children with acute leukemia during remission induction treatment.

We have previously demonstrated a favorable effect of high-dose steroid in the treatment of children with acute lymphoblastic leukemia (ALL) and acute myeloblastic leukemia (AML). This study was performed to determine the effect of short-course high-dose methylprednisolone (HDMP) treatment on the peripheral blood (PB) T lymphocyte subsets, and blast cells, during remission induction treatment in 23 children with newly diagnosed acute leukemia (16 with ALL, seven with AML). All patients were administered HDMP as a single daily oral dose of 30mg/kg for the first 4 days of induction therapy. The number of PB lymphocyte subsets (CD3, CD4, CD8, CD16+56, CD45RA, and CD45RO) were determined by flow cytometry before and after 4 days of HDMP treatment. While the number of PB blast cells significantly decreased, the absolute number of T lymphocytes expressing CD3, CD4, CD8, CD45RA and the absolute number of CD16+56 (natural killer) cells increased in all patients. We suggest that the beneficial effects of HDMP in the induction treatment of acute leukemia may occur partly due to an increase in the number of PB T lymphocyte subsets. A study randomly assigning patients to treatment with either conventional therapy or HDMP may provide further information.

Acute Disease↗

PubMed1996

Administration of granulocyte colony-stimulating factor during remission induction therapy with all-trans retinoic acid for acute promyelocytic leukemia.

Granulocyte colony-stimulating factor (G-CSF) enhances the differentiation of acute promyelocytic leukemia (APL) cells induced by all-trans retinoic acid (ATRA) in vitro. Accordingly, we initiated a pilot study on G-CSF in APL patients who developed neutropenia and severe infection during remission induction therapy with ATRA. Seven out of nine treated patients displayed a marked increase in granulocyte counts without leukemic regrowth, and two displayed a dramatic decrease in leukemic blasts. However, leukemic regrowth occurred in two patients under treatment for post-ATRA relapse. Our findings suggest that administration of G-CSF combined with ATRA can improve the hematological state in APL patients not previously receiving ATRA therapy.

Adult↗

PubMed1978

Phase II clinical trial with vindesine for remission induction in acute leukemia, blastic crisis of chronic myeloid leukemia, lymphosarcoma, and hodgkin's disease: absence of cross-resistance with vincristine.

Vindesine, an analog of vinblastine and vincristine, has been submitted to a phase II trial, the results of which are judged in terms of remission induction. A high proportion of remissions were obtained in acute lymphoid leukemia and blastic crisis of chronic myeloid leukemia, and a few responses have been registered in lymphosarcoma and Hodgkin's disease. A continuous 48-hour iv infusion may induce a remission where an iv push of the same dose has failed. The most remarkable characteristic of vindesine is the absence of cross-resistance with vincristine as documented in acute lymphoid leukemia.

Acute Disease↗

PubMed1985

Changes in the characteristics of the bone marrow during therapy for acute non-lymphocytic leukemia: relationship to response to remission induction therapy.

The bone marrows of patients with acute non-lymphocytic leukemia being treated with 'high dose' cytosine arabinoside remission induction therapy were sampled prior to the initiation of chemotherapy, after 6 days of therapy and again 7 days after the conclusion of therapy. These studies demonstrated that the marrows of patients who would enter remission (CR patients) contained less leukemic cells prior to therapy than patients who would fail to enter remission because of persistent leukemia (resistant disease, or RD patients). A comparison of the day 6 and 7-day post-therapy marrows with the pretherapy marrow demonstrated that while the % reduction in leukemic cells was greater for CR patients than for RD patients, the absolute reduction in leukemic cell mass was the same for both groups. While there was no relationship between the percentage of cells in S phase and the pretherapy leukemic cell mass, the greater the pretherapy leukemic cell mass the greater the likelihood that the leukemic cells would be resistant to the metabolic effects of cytosine arabinoside in vitro.

Aged↗

PubMed1978

Vincristine (NSC-67574), cytosine arabinoside (NSC-63878), 6 thioguanine (NSC-752) and daunorubicin (NSC-82151) (VAT-D): a pilot study of combination chemotherapy for remission induction in acute myeloid leukemia in adults.

Fifteen newly diagnosed unselected adult patients with acute nonlymphocytic leukemia were treated in a pilot study of the combination of vincristine, cytosine arabinoside, 6-thioguanine, and daunorubicin (VAT-D) for remission induction therapy. Eleven of fifteen (75%) achieved a remission bone marrow. Median duration of remission was seven months in all responders (11 patients). The 11 patients achieving initial remission reached a median survival of 14 months. Twelve of seventeen attempts at reinduction of remission with VAT-D were successful. The total amount of daunorubicin required for induction was less than that required in the majority of reported acute leukemia treatment regimens utilizing daunorubicin.

Adolescent↗

PubMed1997

Cytotoxic therapy-induced D-xylose malabsorption and invasive infection during remission-induction therapy for acute myeloid leukemia in adults.

PURPOSE: To study the sequential changes in the intestinal absorption of an oral pentose probe, D-xylose, in patients receiving therapy for untreated acute myeloid leukemia (AML), and to correlate these changes to infectious morbidity. PATIENTS AND METHODS: Serial D-xylose absorption studies were conducted in 110 consecutive adult patients admitted to a university-affiliated tertiary care hospital for remission-induction therapy for untreated newly diagnosed AML. Serial serum D-xylose levels were obtained 1 hour after a 5-g oral dose of D-xylose at baseline and weekly for 4 weeks until marrow recovery. These results were correlated with invasive infection using multivariate techniques. RESULTS: The mean (+/- SEM) serum D-xylose levels were 0.88 +/- 0.03, 0.69 +/- 0.03, 0.58 +/- 0.02, 0.53 +/- 0.02, and 0.73 +/- 0.02 mmol/L at baseline and weeks 1 to 4, respectively (P < .0001, analysis of variance [AN-OVA]). Time to malabsorption varied with induction regimen (P = .007, log-rank test). Bloodstream infections during week 2 correlated with malabsorption (P = .007). Neutropenic enterocolitis correlated independently with induction regimen (P = .009), malabsorption at week 2 (P = .02), and the development of candidemia (P = .005). Hepatosplenic fungal infection correlated with induction regimen (P = .03), malabsorption at week 2 (P = .02), and fever at diagnosis (P = .003). Malabsorption was unrelated to the duration of severe neutropenia and the administration of parenteral nutrition. CONCLUSION: Serial D-xylose absorption studies in subjects with AML produced a characteristic profile of cytotoxic therapy-related damage to the functional integrity of the intestinal epithelium that was regimen dependent, myelosuppression independent, and predictive for invasive infectious complications. Further study to validate these observations appears warranted.

Adolescent↗

PubMed1998

Disseminated intravascular coagulation in acute lymphoblastic leukemia at presentation and in early phase of remission induction therapy.

A high frequency of disseminated intravascular coagulation (DIC) in adult acute lymphoblastic leukemia (ALL) has been reported; however, its clinical relevance and characteristics have not been fully determined. We studied 67 adults with newly diagnosed ALL between 1982 and 1996 to clarify these questions. DIC was diagnosed in ten of 64 patients (16%) who underwent coagulation study at presentation and in 14 of 40 patients (35%) screened for DIC within 7 days after starting remission induction therapy. Overall, 24 of 67 patients (36%) had DIC during this period. Hemorrhagic symptoms were generally mild, while two patients required red blood cell transfusions. Patients who developed DIC had higher white blood cell counts and more frequently a palpable spleen than those who did not. There was no difference in age, French-American-British subtype, karyotype, immunophenotype, lactate dehydrogenase level, percentage of blasts in bone marrow, or frequency of lymphadenopathy or hepatomegaly between patients who had DIC and those who did not. Fibrinolysis tended to be milder in DIC complicating ALL than in that complicating acute promyelocytic leukemia; however, there was no difference in other coagulation parameters between these two subtypes. An etiological link between CD34 expression in common ALL patients and DIC was suggested.

Adolescent↗