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  • 1
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    Young CML Patients Treated Frontline with Imatinib or Second Generation TKIs: Clinical Characteristics and Outcome
    American Society of Hematology ; 2016
    In:  Blood Vol. 128, No. 22 ( 2016-12-02), p. 3078-3078
    Details
    In: Blood, American Society of Hematology, Vol. 128, No. 22 ( 2016-12-02), p. 3078-3078
    Abstract: Median age of CML patients at diagnosis is reported to be around 66 years. Few data about the characteristics and outcome of patients younger than 40 years are available, and the clinical trials of dasatinib and nilotinib as first line treatment were not stratified by age. We retrospectively analyzed 251 young patients with CML in chronic phase from 12 different Italian Institutions, diagnosed between October 2001 and October 2016. Up to 2011 all patients were treated frontline with imatinib while from January 2011 onwards with imatinib or a second generation TKI (nilotinib or dasatinib), based on clinical judgment. At diagnosis median age was 32,6 years [interquartile range (IQR) 27,6- 36,9]; 143 (57%) were male. Splenomegaly was found in 129 out of 233 evaluable patients, in 29,2% of the cases spleen was palpable 〉 5 cm below the costal margin. The risk score was low in most of the cases (low risk Sokal 71%, low risk Eutos 91,3% vs high risk Sokal 9,8%, high risk Eutos 8,7%). Clinical features of the patients in treatment with different inhibitors are summarized in table 1. There were two main statistically significant differences in the group of patients treated with dasatinib: a higher proportion of high risk (30,8%) according to Eutos score and a lower median Hb level at diagnosis (8,5 gr/dL). These features probably reflected the trend of using dasatinib in patients with a more aggressive disease, as this drug was shown to be more potent since the first in vitro studies. Out of 251 patients 179 were treated with imatinib, 57 (22%) with nilotinib, 15 (5,9%) with dasatinib. Median follow up of the whole cohort was 76,5 months (IQR 41- 116); as expected, the follow up was longer in the imatinib group compared to the nilotinib and dasatinib groups (100 months vs 39,6 and 23,0 respectively). In the whole cohort, the cumulative incidence of Complete Cytogenetic Response (CCyR) and Major Molecular Response (MMolR) were 90,4% and 75,7% respectively; a deep molecular response (negative nested PCR, MR4.0, MR4,5) was achieved by 52.2% of patients, without differences among the 3 groups. Primary resistance occurred in 12,4% of patients, without differences among the 3 groups: secondary resistance occurred in 15.9% of patients, with a higher rate in the imatinib group (19,5%) as compared with nilotinib (7,0%) and dasatinib (6,7%) (p=0.047). Treatment discontinuation due to toxicity was observed in 6.0% of patients, without differences among the 3 groups. Blast transformation occurred in 7 out of 251 patients (2,8%), all in the imatinib group, after a median time from the diagnosis of 31 months (range 4-110). The 4-year cumulative Event-Free Survival (EFS) and Overall Survival (OS) were 72,4% (95%CI 66,7 - 78,5) and 98,1% (95%CI 96,4 - 99,8) respectively, without differences among the 3 groups. All deaths were related to blast transformation in imatinib group. In conclusion, as expected in a younger population, response to treatment and OS were excellent. However, the 4-year EFS was lower than expected, in spite of the presence of patients with predominantly low risk score. Furthermore, while the higher rate of secondary resistance in the imatinib group probably reflects the longer follow-up, it is worth of note that no statistically significant difference was observed between imatinib and 2nd generation TKI groups in terms of OS and EFS. Disclosures Breccia: Novartis: Consultancy, Honoraria; Bristol Myers Squibb: Honoraria; Celgene: Honoraria; Ariad: Honoraria; Pfizer: Honoraria.
    Type of Medium: Online Resource
    ISSN: 0006-4971 , 1528-0020
    URL: Article
    DOI: 10.1182/blood.V128.22.3078.3078
    RVK:
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    Language: English
    Publisher: American Society of Hematology
    Publication Date: 2016
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  • 2
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    P686: REAL-WORLD EFFICACY PROFILE OF ASCIMINIB IN AN ITALIAN, MULTI-RESISTANT CHRONIC-PHASE CHRONIC MYELOID LEUKEMIA (CP-CML) PATIENT POPULATION
    Ovid Technologies (Wolters Kluwer Health) ; 2023
    In:  HemaSphere Vol. 7, No. S3 ( 2023-08), p. e55133e1-
    Details
    In: HemaSphere, Ovid Technologies (Wolters Kluwer Health), Vol. 7, No. S3 ( 2023-08), p. e55133e1-
    Type of Medium: Online Resource
    ISSN: 2572-9241
    URL: Article
    DOI: 10.1097/01.HS9.0000969648.55133.e1
    Language: English
    Publisher: Ovid Technologies (Wolters Kluwer Health)
    Publication Date: 2023
    detail.hit.zdb_id: 2922183-3
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  • 3
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    Long-Term Follow-up in Very Elderly Patients with Chronic Myeloid Leukemia Treated with Imatinib Frontline
    American Society of Hematology ; 2015
    In:  Blood Vol. 126, No. 23 ( 2015-12-03), p. 1598-1598
    Details
    In: Blood, American Society of Hematology, Vol. 126, No. 23 ( 2015-12-03), p. 1598-1598
    Abstract: In the current clinical practice, imatinib is widely used also in very elderly patients with chronic myeloid leukemia (CML) at different doses based on concomitant diseases and physician' judgment. However, data on long-term follow-up of these patients are still lacking. To address this issue, we revised in our retrospective database 233 CML patients aged ≥ 75 years and treated with imatinib frontline in 34 italian hematological centers from 2/2002 to 7/2014. Median age at diagnosis was 78.4 years [interquartile range (IQR) 76.3 - 81.3], there were 113 males (48.5%) and 120 females (51.5%), median WBC, Hb and PLT counts were 45.0 x 109/l (IQR 29.4 - 83.4), 12,4 g/dl (IQR 11.0 - 13.6) and 375 x 109/l (IQR 238 - 680), respectively. Sokal Risk at diagnosis was low in 1 patient (0.4%), intermediate in 149 (67.4%), high in 71 (32.2%) and not evaluable in 12. One or more concomitant diseases requiring specific treatments were present in 225/233 patients (96.5%). Median interval from diagnosis to imatinib start was 0.7 month (IQR 0.2 - 1.4): the initial imatinib dose was 400 mg/day in 161 patients (69.1%), 300 mg/day in 57 (24.5%) and 〈 300 mg/day in 15 (6.4%). According to WHO, a grade 3 - 4 hematological and extra-hematological toxicity was reported in 44 (18.8%) and 41 (17.6%) patients, respectively. As to cumulative response, 13 patients (5.6%) discontinued IM due to early toxicity, 4 (1.7%) were resistant and 2 (0.8%) died from unrelated cause early after IM initiation: the remaining 214 patients (91.9%) achieved a complete haematological response (CHR). Among these 214 patients in CHR, 13 refused any other karyotipic or molecular evaluation, 23 achieved CHR only and 178 (76.4% of all 233 patients) achieved a cytogenetic response (CyR), which was partial in 16 patients and complete (CCyR) in 162 (69.5% of all 233 patients). In addition, among the 162 patients in CCyR, 125 (53.6% of all 233 patients) achieved a molecular response (MolR) (ratio 〈 0.1). A blastic phase occurred in 11 patients (4.7%). After a median follow-up from imatinib start of 45.0 months (IQR 22.3 - 72.0), 70 patients have died (9 from disease progression and 61 from unrelated causes), 16 patients were lost to follow-up and 147 are still alive (115 of them still in treatment with imatinib): 5-year event-free survival (EFS) and overall survival (OS) were 51.4% (CI95% 43.9 - 58.9) and 68.5% (CI95% 61.2 - 75.8), respectively. At univariate analysis, only the initial dose of imatinib (400 vs ≤ 300, p=0.03) was a significant predictive factor for CCyR achievement while only PLT count ≤ 500 x 109/l (p=0.031) was a significant predictive factor for MolR achievement. At multivariate analysis for EFS, achievement of a MolR (OR 0.25, 95%CI 0.14 - 0.43, p 〈 0.001), achievement of a CCyR (OR 0.40, 95%CI 0.23 - 0.67, p=0.001) and spleen enlargement (OR 1.56, 95%CI 1.01 - 2.41, p=0.042) were independent prognostic factors; at multivariate analysis for OS, achievement of a MolR (OR 0.30, 95%CI 0.18 - 0.49, p 〈 0.001), age 〈 80 yrs (OR 0.53, 95%CI 0.33 - 0.86, p=0.011) and male gender (OR 1.80, 95%CI 1.11 - 2.91, p=0.016) were independent prognostic factors. In conclusion, the long term follow-up of very elderly CML patients who started imatinib is very good and justify any effort to treat these patients with standard doses, in order to achieve cytogenetic and molecular responses as in younger subjects. Disclosures Castagnetti: BMS: Consultancy, Honoraria; Novartis: Consultancy, Honoraria; Pfizer: Consultancy, Honoraria; ARIAD: Consultancy, Honoraria. Tiribelli:Ariad Pharmaceuticals: Consultancy, Speakers Bureau; Novartis Farma: Consultancy, Speakers Bureau; Bristol Myers Squibb: Consultancy, Speakers Bureau. Gugliotta:BMS: Honoraria; Novartis: Honoraria. Abruzzese:BMS, Novartis, Pfizer, Ariad: Consultancy.
    Type of Medium: Online Resource
    ISSN: 0006-4971 , 1528-0020
    URL: Article
    DOI: 10.1182/blood.V126.23.1598.1598
    RVK:
    XA 33000
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Hematology
    Publication Date: 2015
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  • 4
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    Very Elderly Patients with Chronic Phase-Chronic Myeloid Leukemia on Imatinib: No Impact of Concomitant Drugs on Complete Cytogenetic Response
    American Society of Hematology ; 2015
    In:  Blood Vol. 126, No. 23 ( 2015-12-03), p. 1582-1582
    Details
    In: Blood, American Society of Hematology, Vol. 126, No. 23 ( 2015-12-03), p. 1582-1582
    Abstract: Tyrosine-kinase inhibitors (TKIs)have completely changed the expected survival of chronic myeloid leukemia (CML) patients which is now approaching that of the general population: a relevant proportion of CML patients are currently elderly or very elderly. Very elderly patients represent generally a small proportion in published experiences. Older CML patients imatinib treated, as it happens in the general population, receive other drug treatments for associated chronic illnesses. Our aim is to assess if and which classes of concomitant drugs have an impact on cytogenetic response in chronic phase (CP)-CML very elderly (age 〉 75 years) patients. Two hundred and twelve very elderly CP-CML patients, imatinib treated at 33 italian hematological institutions have been retrospectively evaluated. Median age at diagnosis was 78.5 years (range 75.0-93.0); 111 (52.4%) were male. Sixty-two (29.2%) were Sokal high risk. Sixty-seven (31.8%) were treated with reduced dose imatinib ( 〈 400 mg/day), and the remaining patients with imatinib 〉 400 mg/day. Concomitant drugs were 1-2 in 73 (34.4%) patients, 3-4 in 59 (27.8%), and 〉 5 in 64 (30.2%); 16 (7.6%) did not assume any concomitant drug. Drugs more frequently used were antiplatelets, assumed by 104 (49.1%) patients, followed by diuretics in 91 (42.9%) patients, proton pump inhibitors (PPIs) in 86 (40.6%), ACE inhibitors in 55 (25.9%), beta blockers in 44 (20.7%), angiotensin II receptors blockers (ARB) in 41 (19.3%), calcium channel blockers in 34 (16%), statins in 25 (11.8%), and alpha blockers in 11 (5.2%). Univariate logistic regression models were computed to assess the association between cytogenetic response after 6 or 12 months of imatinib treatment and number of concomitant drugs or selected drug classes. Statistical analyses were done using JMP 11.1 (SAS Institute Inc., Cary, NC, USA). Complete cytogenetic response (CCyR) was obtained in 124 (58.8%) patients, of whom 70 (33%) within 6 months. Consequently, we focused our study on the impact of number and types of drugs on CCyR rate, which represents the primary therapeutic endpoint in the elderly. Cytogenetic response distribution according to concomitant drugs is reported in table 1. We did not find any significant correlation between number of concomitant drugs, single classes of antihypertensive drugs, antiplatelets, PPIs or statins and CCyR rate at 6 or 12 months. Even though few pharmacokinetic interactions are reported between imatinib and some of medications we considered, this does not seem to have an impact on cytogenetic response rate in our cohort. Indeed, our results confirm the well-known safety and efficacy of imatinib also in very elderly CML patients. Table 1. Cytogenetic response according to concomitant drugs Drug classes Cytogenetic response CCyR 〈 6 months CCyR 7-12 months CCyR 〉 12 months No CCyR Antiplatelets (n=104) 38 (36.5%) 31 (29.8%) 11 (10.6%) 24 (23.1%) Diuretics (n=91) 32 (35.2%) 21 (23.1%) 13 (14.3%) 25 (27.4%) Proton pump inhibitors (n=86) 30 (34.9%) 22 (25.6%) 13 (15.1%) 21 (24.4%) ACE inhibitors (n=55) 19 (34.6%) 11 (20%) 12 (21.8%) 13 (23.6%) Beta blockers (n=44) 18 (40.9%) 11 (25%) 3 (6.8%) 12 (27.3%) Angiotensin II receptor blockers (n=41) 19 (46.3%) 11 (26.8%) 5 (12.3%) 6 (14.6%) Calcium channel blockers (n=34) 10 (29.4%) 7 (20.6%) 6 (17.7%) 11 (32.3%) Statins (n=25) 9 (36%) 7 (28%) 2 (8%) 7 (28%) Alpha blockers (n=11) 4 (36.4%) / 1 (9.1%) 6 (54.5%) Disclosures Castagnetti: Novartis: Consultancy, Honoraria; BMS: Consultancy, Honoraria; Pfizer: Consultancy, Honoraria; ARIAD: Consultancy, Honoraria. Abruzzese:BMS, Novartis, Pfizer, Ariad: Consultancy. Tiribelli:Bristol Myers Squibb: Consultancy, Speakers Bureau; Ariad Pharmaceuticals: Consultancy, Speakers Bureau; Novartis Farma: Consultancy, Speakers Bureau. Rosti:Novartis: Honoraria, Research Funding, Speakers Bureau; Bristol Myers Squibb: Honoraria, Research Funding, Speakers Bureau.
    Type of Medium: Online Resource
    ISSN: 0006-4971 , 1528-0020
    URL: Article
    DOI: 10.1182/blood.V126.23.1582.1582
    RVK:
    XA 33000
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Hematology
    Publication Date: 2015
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  • 5
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    Age Influences Initial Dose and Compliance to Imatinib In Chronic Myeloid Leukemia Elederly Patients but Concomitant Comorbidities Appear to Influence Overall and Event-Free Survival
    American Society of Hematology ; 2011
    In:  Blood Vol. 118, No. 21 ( 2011-11-18), p. 2751-2751
    Details
    In: Blood, American Society of Hematology, Vol. 118, No. 21 ( 2011-11-18), p. 2751-2751
    Abstract: Abstract 2751 Comorbidities have been identified as significant determinants of response to therapy in elderly patients with acute myeloid leukemia, breast cancer, head and neck, and lung cancer. Charlson comorbidity index (CCI) is a list of comorbidities with a weight assigned from 1 to 6 derived from relative risk estimates of a proportional hazard regression model using clinical data. We applied CCI stratification on a large cohort of chronic myeloid leukemia (CML) very elderly patients ( 〉 75 years) treated with imatinib, in order to observe the impact of concomitant diseases on both compliance and outcome. One hundred and eighty-one patients were recruited by 21 Italian centers. There were 95 males and 86 females, median age 78.6 years (range 75–93.6). According to Sokal score, 106 patients were classified as intermediate risk and 55 as high risk (not determined in 20 patients). According to CCI stratification, 71 patients were score 0, 50 patients had a score 1, 37 patients had score 2 and 23 patients had score ≥ 3. Imatinib standard dose was reduced in 68 patients independently from the evaluation of baseline comorbidities but based only on physician judgement: 43.6% of patients with score 0 started with a reduced dose (200–300 mg/day) compared to more than 50% of patients with score ≥ 3. No significant differences were found in terms of further reduction of the dose (39% in patients with score 0 compared to 21% in patients with score ≥ 3) or in terms of discontinuation due to toxicity (58% in patients with score 0 vs 48% in patients with score ≥ 3). We did not find significant differences as regards the occurrence of hematologic side effects, probably due to the initial reduction of the dose: 39% of patients with score 0 experienced grade 3/4 hematologic toxicity (most commonly anemia) compared to 35% of patients with score ≥ 3. Independently from the initial dose, comorbidities again did not have an impact on development of grade 3/4 non-hematologic side effects (most common skin rash, muscle cramps and fluid retention): 62% of patients with score 0 compared to 35% of patients with score ≥ 3. Notwithstanding the reduced dose and the weight of comorbidities we did not find differences in terms of efficacy: 66% of patients with score 0 achieved a CCyR compared to 56.5% of patients with score ≥ 3. Comorbidities appeared to have an impact on EFS (34 months for patients with score 0 vs 23.5 months for patients with score ≥ 3) and influenced the median OS (40.8 months for patients with score 0 vs 10.6 months for patients with score ≥ 3). Our results suggested that treatment of very elderly CML patients might be influenced by personal physician perception: evaluation at baseline of comorbidities according to CCI should improve initial decision-making in this subset of patients. Disclosures: Russo Rossi: Novartis: Honoraria; Bristol Myers Squibb: Honoraria. Rosti:Novartis: Consultancy; Bristol Myers Squibb: Consultancy; Novartis: Research Funding; Novartis: Honoraria; Bristol Myers Squibb: Honoraria. Alimena:Novartis: Honoraria; Bristol Myers Squibb: Honoraria.
    Type of Medium: Online Resource
    ISSN: 0006-4971 , 1528-0020
    URL: Article
    DOI: 10.1182/blood.V118.21.2751.2751
    RVK:
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    Language: English
    Publisher: American Society of Hematology
    Publication Date: 2011
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  • 6
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    Imatinib and polypharmacy in very old patients with chronic myeloid leukemia: effects on response rate, toxicity and outcome
    Impact Journals, LLC ; 2016
    In:  Oncotarget Vol. 7, No. 48 ( 2016-11-29), p. 80083-80090
    Details
    In: Oncotarget, Impact Journals, LLC, Vol. 7, No. 48 ( 2016-11-29), p. 80083-80090
    Type of Medium: Online Resource
    ISSN: 1949-2553
    URL: Issue
    URL: Article
    DOI: 10.18632/oncotarget.v7i48
    DOI: 10.18632/oncotarget.11657
    Language: English
    Publisher: Impact Journals, LLC
    Publication Date: 2016
    detail.hit.zdb_id: 2560162-3
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  • 7
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    Moderate/ Severe Pleural Effusion As a Side Effect in Very Old Chronic Myeloid Leukemia (CML) Patients Undergoing Imatinib Treatment
    American Society of Hematology ; 2011
    In:  Blood Vol. 118, No. 21 ( 2011-11-18), p. 4445-4445
    Details
    In: Blood, American Society of Hematology, Vol. 118, No. 21 ( 2011-11-18), p. 4445-4445
    Abstract: Abstract 4445 Imatinib advent has provided for old CML patients too a chance for an effective treatment, aimed at complete cytogenetic and major molecular response. Indeed, a few studies reported in patients more than 65 year old a response rate comparable to that observed in younger ones. However, fluid retention, a common side effect of imatinib therapy, seems to occur more frequently in elderly patients. Indeed, periorbital and ankle oedema are common patients’ complaints, whereas pleural effusions have not been usually observed in imatinib-treated patients. Conversely, pleural effusions (usually mild to moderate) occur in about 14% of patients treated with the second generation tyrosine-kynase inhibitor (TKI) dasatinib at the optimal dosage of 100 mg by single daily administration. We conducted a retrospective survey of 181 Italian CML patients, above the age of 75, treated with imatinib for chronic phase CML. Among sixty-five patients who were more than 80 year old we observed 5 cases (7.7%) who displayed a severe (grade 3: 4 patients) or moderate (grade 2: 1 patient) pleural effusion. Conversely, such a side effect was not observed in any of the 101 slightly younger (75–80 year old) patients. The 5 patients displaying a pleural effusion were all males, 80.3 – 88.7 year old at the time of imatinib start. One patient was in late chronic phase, and had received hydroxyurea for more than 2 years before imatinib start, whereas the other 4 started imatinib therapy within 2 months from diagnosis. All 5 patients had at least one cardiovascular co-morbidity. Pleural effusion developed after 3–8 months of imatinib therapy. Pericardial effusion and peripheral oedema were also evident in two and one of the 5 patients, respectively. Imatinib was definitely discontinued in 2 patients (one of them had cytogenetically resistant disease) whereas the drug could be resumed, after a few months of interruption, in the other 3, in one case after intolerance to second generation TKI nilotinib. Three patients died: two of myocardial infarction and one for CML blastic phase at 45, 31 and 54 months, respectively, from diagnosis. Two patients are alive, one in major cytogenetic response with resumed imatinib treatment, at 12 and 30 months from diagnosis. Our survey evidenced a significant percentage of very old patients who developed a pleural effusion during imatinib treatment. Although our casistic of patients with pleural effusion is small, some differences are evident, compared to the more common dasatinib-induced pleural effusions. In the case of dasatinib, most of pleural effusions are mild, unrelated to peripheral oedema, and may have an immune-related aetiology. In our imatinib-treated patients pleural effusions were more severe and frequently accompanied by pericardial involvement. Moreover, they were restricted to very old patients and possibly correlated to cardio-vascular co-morbidities. In conclusion, although imatinib still represents the best CML treatment for most of very old patients too, these should be strictly monitored for fluid retention and possible appearance of a pleural and or pericardial effusion. Disclosures: Russo Rossi: Novartis: Honoraria; Bristol Myers Squibb: Honoraria. Rosti:Novartis: Consultancy; Bristol Myers Squibb: Consultancy; Novartis: Research Funding; Novartis: Honoraria; Bristol Myers Squibb: Honoraria.
    Type of Medium: Online Resource
    ISSN: 0006-4971 , 1528-0020
    URL: Article
    DOI: 10.1182/blood.V118.21.4445.4445
    RVK:
    XA 33000
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Hematology
    Publication Date: 2011
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  • 8
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    Age influences initial dose and compliance to imatinib in chronic myeloid leukemia elderly patients but concomitant comorbidities appear to influence overall and event-free survival
    Elsevier BV ; 2014
    In:  Leukemia Research Vol. 38, No. 10 ( 2014-10), p. 1173-1176
    Details
    In: Leukemia Research, Elsevier BV, Vol. 38, No. 10 ( 2014-10), p. 1173-1176
    Type of Medium: Online Resource
    ISSN: 0145-2126
    URL: Article
    DOI: 10.1016/j.leukres.2014.06.020
    Language: English
    Publisher: Elsevier BV
    Publication Date: 2014
    detail.hit.zdb_id: 2008028-1
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  • 9
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    Imatinib in Very Elderly Patients with Chronic Myeloid Leukemia in Chronic Phase: A Retrospective Study
    Springer Science and Business Media LLC ; 2013
    In:  Drugs & Aging Vol. 30, No. 8 ( 2013-8), p. 629-637
    Details
    In: Drugs & Aging, Springer Science and Business Media LLC, Vol. 30, No. 8 ( 2013-8), p. 629-637
    Type of Medium: Online Resource
    ISSN: 1170-229X , 1179-1969
    URL: Article
    DOI: 10.1007/s40266-013-0088-6
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2013
    detail.hit.zdb_id: 2043689-0
    SSG: 15,3
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  • 10
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    First Interim Report of the Italian Multicentric Phase-III Randomized Study to Optimize TKIs Multiple Approaches - (OPTkIMA) in Elderly Patients (older than 60 years) with Ph+ Chronic Myeloid Leukemia (CML) and MR3.0/ MR4.0 Stable Molecular Response
    American Society of Hematology ; 2018
    In:  Blood Vol. 132, No. Supplement 1 ( 2018-11-29), p. 4251-4251
    Details
    In: Blood, American Society of Hematology, Vol. 132, No. Supplement 1 ( 2018-11-29), p. 4251-4251
    Abstract: Therapy with Tyrosine Kinase Inhibitors (TKIs) changed the fate of Philadelphia-positive Chronic Myeloid Leukemia (CML). At present, the therapeutic strategy aims to improve the management of the disease and the quality of life of the patients. In July 2015, we started a prospective multicentric randomized trial with the aim to validate the policy of the intermittent de-escalation treatment and to explore the impact of this strategy on the Quality of Life. To this purpose, CML patients older than 60 years in stable (≥2 years) MR3.0 or MR4.0 molecular response were randomized to receive a FIXED intermittent TKIs regimen (one month ON and one month OFF), as previously published (Russo D, Blood 2013; Russo D, BCJ 2015), versus a PROGRESSIVE intermittent TKIs regimen (one month ON and one month OFF for the 1st year; one month ON and two months OFF for the 2nd year; one month ON and three months OFF from the 3rd year) (OPTkIMA study, ClinicalTrials.gov: NCT02326311). Molecular monitoring was performed according to the 2015 ELN guidelines, every 3 months by RT-PCR on peripheral blood (Baccarani M,Blood 2013). In case of MR3.0 (MMR) loss, checked in two monthly consecutive RT-PCR analysis, patients were planned to exit the study and to resume TKIs daily. This first interim report have been focused on the patients who, by intention to treat, have completed the first year of the study for an historical comparison with the previous INTERIM trial (Russo D, Blood 2013; Russo D, BCJ 2015). During the first year, both the patients randomized in the FIXED and in the PROGRESSIVE arms were given the TKIs treatment one month ON and one month OFF. Up to June 2018, 177 patients have been enrolled by 26 Italian Hematological Centers (first patient randomized in July 2015) and 121/177 patients (68%) completed the first year of OPTkIMA study. The median age was 71 years (range 60-89) and 64% of the patients were belonging to the Sokal intermediate/high risk goup. 96/121 (79%), 14/121 (12%) and 11/121 (9%) patients were receiving imatinib (IMA), nilotinib (NILO) and dasatinib (DAS), at the time of enrollment. Overall, 59/121 (49%) and 62/121 (51%) patients have been randomized in the FIXED and PROGRESSIVE arm, respectively. 41/62 patients (66%) randomly assigned to the PROGRESSIVE arm have entered the second year of therapy. 34/121 patients (28%) went out of the study during the first year. The reasons for protocol discontinuation were: informed consent withdrawn (2 cases), second cancer (4 cases), loss of MR3.0 (28 cases). (Table 1). Among the 28 patients who lost the MMR, 17 and 11 were in MR4.0 and MR3.0, respectively, when they were enrolled into the study. Thus the probability of loosing the MR3.0 while on OPTkIMA was 21,7% at one year (Figure 1). All the 28 patients resumed TKIs continuously and all obtained at least the MR3.0 response, within 6 months and are currently included in the study follow up. The intermittent treatment was well tolerated, with 4 serious adverse events (1 appendicitis, 1 atrial fibrillation, 1 cardiac failure, 1 hip fracture) and 3 adverse events (1 diarrohea, 1 pruritus and 1 fever), none of which have been considered treatement-related. None of the patients experienced the TKI withdrawn syndrome. According to this first interim report, we found that a policy of intermittent TKIs administration in elderly patients is safe and well tolerated. Analysis of patient-reported QoL outcomes is ongoing and will further add information on the overall treatment effectivness of the new PROGRESSIVE intermittent TKI administration. After the 1st year, 28/121 patients (23%) lost MR3.0 and all of them re-gained the major molecular response within 6 months from resumption of continuous treatment. The probability of MR3.0 loss while on OPTkIMA at 1 year was 21,7% and this is quite comparable with the 20% MR3.0 loss observed in the previous INTERIM trial (Russo D, Blood 2013; Russo D, BCJ 2015). Disclosures Efficace: Bristol Meyers Squibb: Consultancy; Seattle Genetics: Consultancy; Lundbeck: Research Funding; TEVA: Research Funding; AMGEN: Research Funding; Incyte: Consultancy; Amgen: Consultancy; TEVA: Consultancy; Orsenix: Consultancy. Abruzzese:Novartis: Consultancy; BMS: Consultancy; Pfizer: Consultancy; Ariad: Consultancy. Bonifacio:Incyte: Consultancy; Pfizer: Consultancy; Amgen: Consultancy; Novartis: Research Funding; Bristol Myers Squibb: Consultancy. Castagnetti:Incyte: Consultancy, Honoraria; Pfizer: Consultancy, Honoraria; Bristol Meyers Squibb: Consultancy, Honoraria; Novartis: Consultancy, Honoraria. Giai:Novartis: Consultancy; Pfizer: Consultancy.
    Type of Medium: Online Resource
    ISSN: 0006-4971 , 1528-0020
    URL: Article
    DOI: 10.1182/blood-2018-99-110250
    RVK:
    XA 33000
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Hematology
    Publication Date: 2018
    detail.hit.zdb_id: 1468538-3
    detail.hit.zdb_id: 80069-7
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