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  • American Association for Cancer Research (AACR)  (2)
  • Attal, Michel  (2)
  • 1
    Online Resource
    Online Resource
    Carfilzomib Weekly plus Melphalan and Prednisone in Newly Diagnosed Transplant-Ineligible Multiple Myeloma (IFM 2012-03): A Phase I Trial
    American Association for Cancer Research (AACR) ; 2019
    In:  Clinical Cancer Research Vol. 25, No. 14 ( 2019-07-15), p. 4224-4230
    Details
    In: Clinical Cancer Research, American Association for Cancer Research (AACR), Vol. 25, No. 14 ( 2019-07-15), p. 4224-4230
    Abstract: Carfilzomib is a novel generation proteasome inhibitor. The Carmysap trial demonstrated that twice-weekly KMP (carfilzomib, melphalan, prednisone) might challenge the MPV (melphalan, prednisone, bortezomib) standard. We sought to study KMP weekly, allowing to increase carfilzomib's dose with maintained efficacy and improved safety profile. Patients and Methods: IFM2012-03, a phase I multicenter study of KMP weekly in elderly patients with newly diagnosed multiple myeloma (eNDMM), aimed to determine the MTD of carfilzomib. Carfilzomib was given intravenously at 36, 45, 56, and 70 mg/m2/day on days 1, 8, 15, and 22 with melphalan and prednisone, for nine 35-day induction cycles, followed by carfilzomib maintenance for 1 year. Three dose-limiting toxicities (DLT) determined MTD at the lower dose. Results: Thirty eNDMMs were treated, 6 per cohort at 36, 45, and 56 mg/m2 and 12 at 70 mg/m². There was one DLT at 36 mg/m2 (lymphopenia), one at 45 mg/m2 (lysis syndrome), two at 56 mg/m2 (cardiac insufficiency and febrile neutropenia), and two at 70 mg/m2 (vomiting and elevated liver enzymes). The safety profile was acceptable; however, specific attention must be paid to the risk of cardiovascular events, especially for elderly patients. The overall response rate was 93.3%, with 46.6% complete response. Conclusions: The MTD dose of carfilzomib was 70 mg/m2 in this KMP weekly study in eNDMM. Response rates, and especially CR rate, were remarkable in this population, and would benefit from being assessed in a larger-scale study. The IFM2012-03 study demonstrated that the MTD of carfilzomib weekly is 70 mg/m2 in eNDMM, and 56 mg/m2 for patients older than 75 years. Carfilzomib used weekly in combination has a good efficacy and safety profile in eNDMM.
    Type of Medium: Online Resource
    ISSN: 1078-0432 , 1557-3265
    URL: Article
    DOI: 10.1158/1078-0432.CCR-18-3642
    RVK:
    XA 36791
    Language: English
    Publisher: American Association for Cancer Research (AACR)
    Publication Date: 2019
    detail.hit.zdb_id: 1225457-5
    detail.hit.zdb_id: 2036787-9
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  • 2
    Online Resource
    Online Resource
    The Translocation t(4;14) Can Be Present Only in Minor Subclones in Multiple Myeloma
    American Association for Cancer Research (AACR) ; 2013
    In:  Clinical Cancer Research Vol. 19, No. 17 ( 2013-09-01), p. 4634-4637
    Details
    In: Clinical Cancer Research, American Association for Cancer Research (AACR), Vol. 19, No. 17 ( 2013-09-01), p. 4634-4637
    Abstract: Purpose: Although the translocation t(4;14) is supposed to be a primary event in multiple myeloma, we have been surprised to observe that in large relapse series of patients, the t(4;14) can be observed only in subpopulations of plasma cells, in contrast to what is seen at diagnosis. This observation raised the question of possible subclones harboring the translocation that would be observable only at the time of relapse. Experimental Design: To address this issue, we analyzed by FISH a cohort of 306 patients for whom we had at least two samples obtained at different disease phases. Results: We observed a “gain” of the t(4;14) in 14 patients, and conversely, a “loss” of the translocation in 11 patients. Two hypotheses were raised: either an acquisition of the translocation during evolution or the existence of small t(4;14)-positive subclones at the time of diagnosis. To address this question, we had the opportunity to analyze two patients at the time of diagnosis by RT-PCR (reverse transcription-polymerase chain reaction) to look for the chimeric Eμ-MMSET transcript, and one patient positive at diagnosis, but negative at relapse. The samples were positive, supporting the second hypothesis. Furthermore, the IGH sequences of two patients who “lose” the t(4;14) were identical at diagnosis and relapse, confirming the existence of a common ancestral clone. Conclusion: Thus, the conclusion of this study is that the t(4;14) is not a primary event in multiple myeloma and that it can be present in silent subclones at diagnosis, but also at relapse. Clin Cancer Res; 19(17); 4634–7. ©2013 AACR.
    Type of Medium: Online Resource
    ISSN: 1078-0432 , 1557-3265
    URL: Article
    DOI: 10.1158/1078-0432.CCR-12-3866
    RVK:
    XA 36791
    Language: English
    Publisher: American Association for Cancer Research (AACR)
    Publication Date: 2013
    detail.hit.zdb_id: 1225457-5
    detail.hit.zdb_id: 2036787-9
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
    Online Resource
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