Your browser doesn't support javascript.
loading
Mostrar: 20 | 50 | 100
Resultados 1 - 20 de 25
Filtrar
1.
JCO Glob Oncol ; 10: e2300165, 2024 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-38843471

RESUMO

PURPOSE: AML is a heterogeneous hematologic malignancy. Region-specific recommendations for AML management can enhance patient outcomes. This article aimed to develop recommendations for the Gulf Cooperation Council (GCC) countries. METHODS: Ten AML panel members from Kuwait, Oman, Qatar, and the United Arab Emirates (KOQU) participated in a modified two-round Delphi process. The panel first identified the unmet regional needs and finalized a list of core variables. Next, they voted on iterative statements drawn from international recommendations and provided feedback via a questionnaire. Consensus voting ≤70% was discussed, and additional clinical decision making statements were suggested. At round closure, a consensus vote took place on revised statements. RESULTS: The panel reached ≥97.8% consensus on AML management. The panel agreed to use international risk stratification categories for personalized treatment of AML. The presence of ≥10% blasts for recurrent genetic abnormalities was required for a diagnosis of AML. Key consensus was reached for different treatment stages. The panel noted that older patients pose a challenge because of poor cytogenetics and genetic anomalies and require different treatment approaches. The panel recommended venetoclax-hypomethylating agents; fludarabine, cytarabine, idarubicin, and granulocyte colony-stimulating factor; and targeted therapy for AML relapsed/refractory disease. Supportive care is considered on the basis of prevailing organisms and drug resistance. CONCLUSION: The GCC KOQU's consensus-based recommendations for managing AML include an evidence-based and region-specific framework.


Assuntos
Consenso , Leucemia Mieloide Aguda , Humanos , Leucemia Mieloide Aguda/terapia , Emirados Árabes Unidos/epidemiologia , Técnica Delphi , Guias de Prática Clínica como Assunto , Catar/epidemiologia , Kuweit/epidemiologia
2.
Cancers (Basel) ; 16(11)2024 May 31.
Artigo em Inglês | MEDLINE | ID: mdl-38893233

RESUMO

Studies on chronic myeloid leukemia (CML) in the Gulf region are scarce, consisting of a survey and expert meeting that included 15 experts in 2023 which discussed CML diagnosis, testing, treatment objectives, toxicities, and discontinuation in the Gulf region. Most patients were reported to be in first-line therapy, and the most common treatments were imatinib/imatinib generic in first-line and dasatinib in second- and third-lines. Mutation analysis was not reported to be routinely performed at the time of diagnosis but rather in case of progression to accelerated/blast phase or any sign of loss of response. While all participants were aware that BCR-ABL should be monitored every three months during the first year of treatment, 10% reported monitoring BCR-ABL every six months in practice due to test cost and lab capability. The most important first-line therapy objective was "achievement of major molecular response" (MMR) in younger patients and "overall survival" in older ones. The most important treatment objectives were "MMR" and "early molecular response followed by prolongation of overall survival" in the short term and "treatment-free remission" in the long term. The current practices in CML in the Gulf region appear to be similar to global figures.

3.
JMIR Res Protoc ; 13: e49861, 2024 04 24.
Artigo em Inglês | MEDLINE | ID: mdl-38657230

RESUMO

BACKGROUND: Multiple myeloma (MM) is the second-most common cancer among hematological malignancies. Patients with active disease may experience several comorbidities, including renal insufficiency and asthma, which may lead to treatment failure. The treatment of relapsed or refractory MM (RRMM) has been associated with multiple factors, causing a decline in progression-free survival as well as overall survival with subsequent lines of therapy. Data about the characteristics of this group of patients in the Greater Gulf region are lacking. OBJECTIVE: The primary objective of this study is to describe the disease characteristics and various treatment approaches or regimens used in the management of patients with RRMM in the Greater Gulf region. METHODS: We will conduct a regional, retrospective study collecting real-world and epidemiological data on patients with MM in countries of the Greater Gulf region. Medical records will be used to obtain the required data. Around 150 to 170 patients' records are planned to be retrospectively reviewed over 6 months without any cross-sectional or prospective intervention. Cases will be collected from Saudi Arabia, the United Arab Emirates, Kuwait, Oman, and Qatar. Descriptive as well as analytical statistics will be performed on the extracted data. The calculated sample size will allow us to estimate the percentages of RRMM cases with acceptable precision while complying with the challenges in light of data scarcity. We will obtain a comprehensive description of the demographic profile of patients with MM; treatment outcomes; the proportion of patients with MM with renal impairment and asthma, chronic obstructive pulmonary disease, or both at the time of diagnosis and any subsequent point; and data related to treatment lines, regimens, and MM-associated morbidities. RESULTS: Patient medical records were reviewed between June 2022 and January 2023 for eligibility and data extraction. A total of 148 patients were eligible for study inclusion, of whom 64.2% (n=95) were male and 35.8% (n=53) were female. The study is currently in its final stages of data analysis. The final manuscript is expected to be published in 2024. CONCLUSIONS: Although MM is a predominant hematological disease, data on its prevalence and patients' characteristics in the Greater Gulf region are scarce. Therefore, this study will give us real-world insights into disease characteristics and various management approaches of patients with MM in the Greater Gulf region. INTERNATIONAL REGISTERED REPORT IDENTIFIER (IRRID): DERR1-10.2196/49861.


Assuntos
Mieloma Múltiplo , Sistema de Registros , Adulto , Idoso , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Oriente Médio/epidemiologia , Mieloma Múltiplo/tratamento farmacológico , Mieloma Múltiplo/epidemiologia , Mieloma Múltiplo/complicações , Sistema de Registros/estatística & dados numéricos , Insuficiência Renal/epidemiologia , Estudos Retrospectivos , Projetos de Pesquisa
4.
Cancer Rep (Hoboken) ; 7(2): e1931, 2024 02.
Artigo em Inglês | MEDLINE | ID: mdl-38083985

RESUMO

Leukemia burden is growing in the Gulf Council Cooperation (GCC) countries. Nonetheless, there is no unified protocol for managing adult acute lymphoblastic leukemia (ALL) patients in the GCC-countries. Therefore, the GCC Adult-ALL Treaters working group developed this consensus to address the adult-ALL treatment protocols in the GCC-countries and related toxicities' management. Besides, the consensus aimed to highlight the current unmet needs and treatment gaps and provide recommendations to optimize adult-ALL care and patient-centered communication. A three-step modified Delphi method to develop evidence-based recommendations through two-voting rounds and in-between virtual meetings are used in the manuscript development. A 12 experts' panel from five GCC-countries and two international experts were invited to participate in this consensus. This consensus consisted of 35-statements that highlighted the experts' recommendations to optimize ALL adults' care in the first line setting and manage pediatric or pediatric-inspired regimens-related toxicities. Besides, guidance was provided for future research direction and improve patient-centered communication. In conclusion, the adult-ALL management landscape is evolving, and the current evidence highlights better response and survival outcomes with pediatric or pediatric-inspired regiments. Therefore, protocols are needed to optimize the adult-ALL management in the GCC and tailored clinical-trials findings according to the GCC patients' characteristics and local-healthcare infrastructure.


Assuntos
Leucemia-Linfoma Linfoblástico de Células Precursoras , Humanos , Criança , Consenso , Leucemia-Linfoma Linfoblástico de Células Precursoras/diagnóstico , Leucemia-Linfoma Linfoblástico de Células Precursoras/terapia
5.
Leuk Res ; 133: 107365, 2023 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-37643508

RESUMO

Secondary immunodeficiency (SID) can occur as a result of multiple factors, including hematological malignancies, hematopoietic stem cell transplantation (HSCT), immunosuppressive treatment, biologics, and anti-inflammatory drugs. SID includes disorders resulting from impairment of both cellular and humoral immunity. This review focuses on the current risk factors, implications, and challenges in managing SID patients with impaired humoral immunity, which includes quantitative (hypogammaglobulinemia) and/or functional antibody and B-cell deficiencies specifically related to hematological malignancies and post-HSCT. Increased physician awareness is needed surrounding the disease presentation and early risk factors, as SID may be caused by several etiologies. Careful clinical assessment is then required to optimize management, which encompasses close monitoring of clinical parameters, vaccination, antibiotic prophylaxis, and immunoglobulin replacement therapy (IGRT). Novel methods of IGRT administration are associated with enhanced pharmacokinetics, IgG trough level stability, no need for venous access, as well as fewer systemic adverse events and better administration flexibility compared with traditional methods. Published international guidelines supported by observations from clinical data are broadly followed; however, best practices within each country have nuances that underline the need to tailor treatment plans to the individual patient.

6.
Cancers (Basel) ; 16(1)2023 Dec 22.
Artigo em Inglês | MEDLINE | ID: mdl-38201493

RESUMO

Myelodysplastic syndrome (MDS) is composed of diverse hematological malignancies caused by dysfunctional stem cells, leading to abnormal hematopoiesis and cytopenia. Approximately 30% of MDS cases progress to acute myeloid leukemia (AML), a more aggressive disease. Early detection is crucial to intervene before MDS progresses to AML. The current diagnostic process for MDS involves analyzing peripheral blood smear (PBS), bone marrow sample (BMS), and flow cytometry (FC) data, along with clinical patient information, which is labor-intensive and time-consuming. Recent advancements in machine learning offer an opportunity for faster, automated, and accurate diagnosis of MDS. In this review, we aim to provide an overview of the current applications of AI in the diagnosis of MDS and highlight their advantages, disadvantages, and performance metrics.

7.
Gulf J Oncolog ; 1(40): 74-77, 2022 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-36448074

RESUMO

Dasatinib is a potent second-generation tyrosine kinase inhibitor (TKI) used in the first- and second-line treatment of chronic myeloid leukemia (CML). Chylothorax is a rare presentation that results in chyle leakage from the lymphatic system into the pleural space as a consequence of thoracic duct damage. Pleural effusion has been reported frequently in patients treated with Dasatinib however chylothorax has been rarely reported. Here we report an 18year old female presenting with chylothorax after 63 months of Dasatinib intake along with a review of the relevant literature. Currently there are no standard guidelines regarding the approach to chylothorax management after the initial discontinuation of Dasatinib. Since the TKI options after stopping Dasatinib are limited, and most patients would have already failed the trial of first generation TKI, we suggest implementing a complete treatment strategy for this patient population. Key words: chronic myeloid leukemia, Dasatinib, Pleural effusion, Chylothorax.


Assuntos
Quilotórax , Leucemia Mielogênica Crônica BCR-ABL Positiva , Derrame Pleural , Feminino , Humanos , Quilotórax/induzido quimicamente , Dasatinibe/efeitos adversos , Leucemia Mielogênica Crônica BCR-ABL Positiva/tratamento farmacológico , Derrame Pleural/induzido quimicamente , Adolescente
8.
Bone Marrow Transplant ; 56(9): 2144-2151, 2021 09.
Artigo em Inglês | MEDLINE | ID: mdl-33907304

RESUMO

The coronavirus disease-2019 (COVID-19) caused by SARS Coronavirus 2 (SARS-CoV-2) is a potentially lethal infection. Cancer patients, and specifically hematopoietic cell transplant (HCT) recipients are severely immunocompromised and may be at a higher risk of a complicated course with this infection. We aimed to study the COVID-19 outcomes and severity in post HCT patients. We retrospectively reviewed post-HCT patients diagnosed with COVID-19 between March 15, 2020, and December 1, 2020 at 10 transplant centers across the Middle East. We identified 91 patients with confirmed SARS-CoV-2 infection across 10 transplant centers. The median age upon presentation with COVID-19 was 35. Fifty two patients were post allo-HCT while the remaining 39 patients were post auto-HCT. The median time from transplant was 14.9 months. Mortality rate was 4.4%. Hospital admission rate was 53%. ICU admission rate was 14%. Mechanical ventilation rate was 10%. Oxygen supplementation rate was 18%. Time from HCT to COVID-19 >6 months was associated with lower admission rates and lower rates of the "severity" composite endpoint. Antibody responses was seen 67% of evaluable patients. In this series of HCT recipients, we report overall favorable clinical outcomes for patients with COVID-19 and provide preliminary insights into the clinical course of this disease in this specific population.


Assuntos
COVID-19 , Transplante de Células-Tronco Hematopoéticas , Humanos , Estudos Retrospectivos , SARS-CoV-2 , Transplantados
10.
Gulf J Oncolog ; 1(33): 7-18, 2020 May.
Artigo em Inglês | MEDLINE | ID: mdl-32476644

RESUMO

The outbreak of coronavirus disease 2019 (COVID-19) has become a public health emergency of major international concern. In December 2019, an outbreak of atypical pneumonia known as COVID-19 was identified in Wuhan, China. The newly identified zoonotic coronavirus, severe acute respiratory syndrome coronavirus-2 (SARSCoV-2), is characterized by rapid human-to-human transmission. Acute lymphoblastic leukemia (ALL) patients are often in need for intensive chemotherapy to induce remission that will be complicated with prolonged period of cytopenias. They are often recalled to the hospital for treatment and disease surveillance. These patients may be immunocompromised due to the underlying malignancy or anti-cancer therapy. ALL patients are at higher risk of developing life-threatening infections. Several factors increase the risk of infection and the presence of multiple risk factors in the same patient is common. Cancer patients had an estimated 2-fold increased risk of contracting SARS-CoV-2 than the general population. With the World Health Organization declaring the novel coronavirus outbreak a pandemic, there is an urgent need to address the impact of such pandemic on ALL patients. This include changes to resource allocation, clinical care, and the consent process during a pandemic. Currently and due to limited data, there are no international guidelines to address the optimal management of ALL patients in any infectious pandemic. In this review, we will address the potential challenges associated with managing ALL patients during the COVID-19 infection pandemic with suggestions of some practical approaches, focusing on screening asymptomatic ALL patients, diagnostic and response evaluation and choice of chemotherapy in different scenarios and setting and use of hematopoietic stem cell transplantation (HSCT).


Assuntos
Protocolos de Quimioterapia Combinada Antineoplásica/efeitos adversos , Betacoronavirus/patogenicidade , Infecções por Coronavirus/virologia , Transplante de Células-Tronco Hematopoéticas/efeitos adversos , Hospedeiro Imunocomprometido , Infecções Oportunistas/virologia , Pneumonia Viral/virologia , Leucemia-Linfoma Linfoblástico de Células Precursoras/terapia , Betacoronavirus/imunologia , COVID-19 , Teste para COVID-19 , Tomada de Decisão Clínica , Técnicas de Laboratório Clínico , Infecções por Coronavirus/diagnóstico , Infecções por Coronavirus/imunologia , Infecções por Coronavirus/transmissão , Procedimentos Clínicos , Técnicas de Apoio para a Decisão , Humanos , Infecções Oportunistas/diagnóstico , Infecções Oportunistas/imunologia , Infecções Oportunistas/transmissão , Pandemias , Pneumonia Viral/diagnóstico , Pneumonia Viral/imunologia , Pneumonia Viral/transmissão , Leucemia-Linfoma Linfoblástico de Células Precursoras/imunologia , Medição de Risco , Fatores de Risco , SARS-CoV-2
12.
Oncologist ; 25(6): e936-e945, 2020 06.
Artigo em Inglês | MEDLINE | ID: mdl-32243668

RESUMO

The outbreak of coronavirus disease 2019 (COVID-19) has rapidly spread globally since being identified as a public health emergency of major international concern and has now been declared a pandemic by the World Health Organization (WHO). In December 2019, an outbreak of atypical pneumonia, known as COVID-19, was identified in Wuhan, China. The newly identified zoonotic coronavirus, severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2), is characterized by rapid human-to-human transmission. Many cancer patients frequently visit the hospital for treatment and disease surveillance. They may be immunocompromised due to the underlying malignancy or anticancer therapy and are at higher risk of developing infections. Several factors increase the risk of infection, and cancer patients commonly have multiple risk factors. Cancer patients appear to have an estimated twofold increased risk of contracting SARS-CoV-2 than the general population. With the WHO declaring the novel coronavirus outbreak a pandemic, there is an urgent need to address the impact of such a pandemic on cancer patients. This include changes to resource allocation, clinical care, and the consent process during a pandemic. Currently and due to limited data, there are no international guidelines to address the management of cancer patients in any infectious pandemic. In this review, the potential challenges associated with managing cancer patients during the COVID-19 infection pandemic will be addressed, with suggestions of some practical approaches. IMPLICATIONS FOR PRACTICE: The main management strategies for treating cancer patients during the COVID-19 epidemic include clear communication and education about hand hygiene, infection control measures, high-risk exposure, and the signs and symptoms of COVID-19. Consideration of risk and benefit for active intervention in the cancer population must be individualized. Postponing elective surgery or adjuvant chemotherapy for cancer patients with low risk of progression should be considered on a case-by-case basis. Minimizing outpatient visits can help to mitigate exposure and possible further transmission. Telemedicine may be used to support patients to minimize number of visits and risk of exposure. More research is needed to better understand SARS-CoV-2 virology and epidemiology.


Assuntos
Betacoronavirus/patogenicidade , Infecções por Coronavirus/prevenção & controle , Oncologia/organização & administração , Neoplasias/terapia , Pandemias/prevenção & controle , Assistência ao Paciente/normas , Pneumonia Viral/prevenção & controle , Betacoronavirus/isolamento & purificação , COVID-19 , Infecções por Coronavirus/epidemiologia , Infecções por Coronavirus/transmissão , Infecções por Coronavirus/virologia , Higiene das Mãos/organização & administração , Higiene das Mãos/tendências , Humanos , Controle de Infecções/organização & administração , Controle de Infecções/tendências , Cooperação Internacional , Colaboração Intersetorial , Oncologia/economia , Oncologia/normas , Oncologia/tendências , Assistência ao Paciente/economia , Assistência ao Paciente/tendências , Educação de Pacientes como Assunto , Pneumonia Viral/epidemiologia , Pneumonia Viral/transmissão , Pneumonia Viral/virologia , Alocação de Recursos/economia , Alocação de Recursos/organização & administração , Alocação de Recursos/normas , Alocação de Recursos/tendências , SARS-CoV-2 , Telemedicina/economia , Telemedicina/organização & administração , Telemedicina/normas , Telemedicina/tendências , Organização Mundial da Saúde
13.
Gulf J Oncolog ; 1(27): 45-51, 2018 May.
Artigo em Inglês | MEDLINE | ID: mdl-30145551

RESUMO

INTRODUCTION: The use of modern immunotherapy has been evolving over the past few years, and various new agents have been developed for new indications at multiple primary sites in oncology. It is important for physicians who are involved in cancer care to be aware and updated about new therapeutic agents and their indications, potential benefits, and side effects. PATIENTS AND METHODS: From October to November 2017, we conducted a survey on the awareness, understanding, attitude, and barriers associated with prescribing modern cancer immunotherapies among physicians in the Arabian Gulf countries. The study included practicing physicians who delivered chemotherapy; trainees were not eligible. A total of 460 physicians were contacted and invited to complete an online survey, of which approximately 74.8% did not respond, and 4 (3.4%) were excluded because they had not recently treated patients with cancer. 112 (24.3%) physicians completed the survey (completion rate = 25.2%). An online electronic survey questionnaire was developed via Planet Surveys. The survey was designed with multidisciplinary inputs of the study investigators practicing in the Arabian Gulf countries, piloted, and subsequently revised on the basis of feedback from 10 additional oncologists. The final survey included 23 questions and took 8-10 minutes for completion. RESULTS: All respondents were aware of modern immunotherapies, but 62.5% reported having limited experience in implementing them, whereas 31.3% reported good experience. The overall physicians' attitudes toward modern immunotherapy were favorable, with a mean score of 7.4 (scale of 1-10, with 10 being extremely favorable). Efficacy, clear indications, and good safety profile were perceived as key potential benefits. Cost, lack of experience, and lack of access to specific testing were the major barriers. DISCUSSION AND CONCLUSION: There was a high level of awareness and an overall positive attitude toward modern cancer immunotherapy among oncologists in the Arabian Gulf countries, but there was a limited experience in prescribing cancer immunotherapeutic agents. Efficacy, clear indications, and good safety profile were perceived as key potential benefits, whereas cost, lack of experience, and lack of access to specific testing prior to prescription were the major barriers. Patients were likely to be receptive to modern immunotherapy as a therapeutic option for cancer treatment. Long-term efficacy data, financial support programs, and educational activities for prescribers may increase the access to modern immunotherapy.


Assuntos
Atitude do Pessoal de Saúde , Conhecimentos, Atitudes e Prática em Saúde , Imunoterapia/estatística & dados numéricos , Neoplasias/terapia , Médicos/psicologia , Padrões de Prática Médica/estatística & dados numéricos , Humanos , Imunoterapia/psicologia , Neoplasias/imunologia , Neoplasias/psicologia , Prognóstico , Arábia Saudita , Inquéritos e Questionários
14.
Clin Case Rep ; 6(1): 155-161, 2018 01.
Artigo em Inglês | MEDLINE | ID: mdl-29375856

RESUMO

Philadelphia-negative (Ph-) myeloproliferative neoplasms (MPN) do rarely transform to acute lymphoblastic leukemia (ALL). While causality is difficult to establish, a few cases of ALL arising after exposure to lenalidomide for registered indications (multiple myeloma, myelodysplastic syndrome with 5q deletion) have been described in the literature.

15.
Eur J Haematol ; 100(3): 257-263, 2018 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-29226426

RESUMO

Severe thrombocytopenia (platelets <50 × 109 /L) is associated with very poor outcome of patients with myelofibrosis (MF). As patients with primary myelofibrosis (PMF) differ from patients with postessential thrombocythemia (PET-MF) and postpolycythemia vera myelofibrosis (PPV-MF), we aimed to evaluate the significance of low platelets among these patients. We present clinical characteristics and outcome of patients with either PMF, PPV-MF, or PET-MF, and thrombocytopenia who presented to our institution between 1984 and 2015. Of 1269 patients (877 PMF, 212 PPV-MF, 180 PET-MF), 11% and 14% had platelets either <50 × 109 /L or between 50-100 × 109 /L, respectively. Patients with platelets <50 × 109 /L were most anemic and transfusion dependent, had highest blast count and unfavorable karyotype. In general, their overall and leukemia-free survival was the shortest with median time of 15 and 13 months, respectively; with incidence of acute leukemia almost twice as high as in the remaining patients (6.9 vs 3.6 cases per 100 person-years). Nevertheless, this observation remains mostly significant for patients with PMF, as those with PEV/PVT-MF have already significantly inferior prognosis with platelets <100 × 109 /L.


Assuntos
Plaquetas/patologia , Policitemia Vera/patologia , Trombocitemia Essencial/patologia , Adolescente , Adulto , Idoso , Idoso de 80 Anos ou mais , Antineoplásicos/uso terapêutico , Plaquetas/efeitos dos fármacos , Calreticulina/genética , Calreticulina/metabolismo , Expressão Gênica , Humanos , Janus Quinase 2/genética , Janus Quinase 2/metabolismo , Cariótipo , Masculino , Pessoa de Meia-Idade , Mutação , Contagem de Plaquetas , Transfusão de Plaquetas , Policitemia Vera/genética , Policitemia Vera/mortalidade , Policitemia Vera/terapia , Prognóstico , Receptores de Trombopoetina/genética , Receptores de Trombopoetina/metabolismo , Estudos Retrospectivos , Transplante de Células-Tronco , Análise de Sobrevida , Trombocitemia Essencial/genética , Trombocitemia Essencial/mortalidade , Trombocitemia Essencial/terapia , Resultado do Tratamento
16.
Am J Hematol ; 93(1): 84-90, 2018 01.
Artigo em Inglês | MEDLINE | ID: mdl-29027261

RESUMO

Additional cytogenetic abnormalities (ACA) are considered a high risk feature in chronic myeloid leukemia (CML). However, its prognostic significance at the time of diagnosis in the setting of new tyrosine kinase inhibitors (TKIs) is less well understood. Patients with CML in CP with or without ACA at diagnosis treated with frontline TKIs in prospective clinical trials were analyzed for outcomes. Among 603 patients treated, 29 (5%) had ACA. Patients with ACA included 2 of 72 (2.8%) treated with imatinib 400 mg, 9 of 207 (4.3%) with imatinib 800 mg, 10 of 148 (6.7%) with dasatinib, 6 of 126 (4.7%) with nilotinib, and 2 of 50 (4%) with ponatinib. There was a significantly higher rate of complete cytogenetic response (CCyR) at 6 months in patients without ACA (P = .02). However cumulative CCyR and major molecular response (MMR) rates were not different. Similarly, MR4.0 and MR4.5 rates were similar for both groups; two CML-ACA patients maintained MR 4.5 for at least 2 years. At 5 years, ACA at diagnosis did not significantly impact transformation-free, failure-free, event-free, or overall survival expectations. Acknowledging small sample size estimates, response rates and survival outcomes were comparable in CP with ACA irrespective of whether chromosomal abnormalities were "major route" or other. The presence of ACA at diagnosis does not confer worse prognosis for patients with CML treated with TKI. Thus, the presence of ACA at diagnosis should not alter treatment strategies in these patients.


Assuntos
Leucemia Mielogênica Crônica BCR-ABL Positiva/tratamento farmacológico , Inibidores de Proteínas Quinases/uso terapêutico , Adolescente , Adulto , Idoso , Idoso de 80 Anos ou mais , Feminino , Humanos , Leucemia Mielogênica Crônica BCR-ABL Positiva/imunologia , Leucemia Mielogênica Crônica BCR-ABL Positiva/patologia , Masculino , Pessoa de Meia-Idade , Prognóstico , Resultado do Tratamento , Adulto Jovem
17.
Leuk Lymphoma ; 59(6): 1312-1322, 2018 06.
Artigo em Inglês | MEDLINE | ID: mdl-28972430

RESUMO

Ponatinib is a pan-tyrosine kinase inhibitor (TKI) with efficacy in multirefractory CML patients who have failed other TKIs. Despite excellent response rates, resistance or intolerance may develop. We conducted a retrospective review of the outcome of patients with chronic (CP) and accelerated (AP) phase CML refractory to prior TKI who discontinued ponatinib for resistance or intolerance. Nineteen CP patients, discontinued due to resistance (n = 13), toxicity (n = 5) and to pursue stem cell transplantation (n = 1). At discontinuation, 14 were still in CP, three had progressed to AP and two to blast phase (BP). Three CP patients improved their cytogenetic response (CyR) to complete CyR (CCyR), two after SCT and one on omacetaxine. None of the 12 patients, without a major cytogenetic response at ponatinib discontinuation, including all patients treated with subsequent TKIs, responded to therapy. Seventeen AP patients, stopped ponatinib due to resistance (n = 15) or intolerance (n = 2). At discontinuation, 14 were still in AP and three had progressed to BP. Four patients were treated with SCT and one achieved major molecular response. None of the 12 patients treated with non-SCT approaches responded to subsequent therapy. Median survival for all patients was 16.6 months after ponatinib discontinuation (31, 9 and 13 months for patients in CP, AP and BP, respectively). Median survival was 60 months for patients who discontinued ponatinib for toxicity and 11 months for those who discontinued for resistance. Long-term outcome of patients with ponatinib failure are poor with estimated one-year OS and EFS rates of 54% and 40%, respectively. New treatment options are required for this subset of patients.


Assuntos
Antineoplásicos/uso terapêutico , Imidazóis/uso terapêutico , Leucemia Mieloide de Fase Acelerada/tratamento farmacológico , Leucemia Mieloide de Fase Crônica/tratamento farmacológico , Inibidores de Proteínas Quinases/uso terapêutico , Piridazinas/uso terapêutico , Adulto , Idoso , Idoso de 80 Anos ou mais , Antineoplásicos/administração & dosagem , Antineoplásicos/efeitos adversos , Protocolos de Quimioterapia Combinada Antineoplásica/efeitos adversos , Protocolos de Quimioterapia Combinada Antineoplásica/uso terapêutico , Humanos , Imidazóis/administração & dosagem , Imidazóis/efeitos adversos , Leucemia Mieloide de Fase Acelerada/genética , Leucemia Mieloide de Fase Acelerada/mortalidade , Leucemia Mieloide de Fase Acelerada/patologia , Leucemia Mieloide de Fase Crônica/genética , Leucemia Mieloide de Fase Crônica/mortalidade , Leucemia Mieloide de Fase Crônica/patologia , Pessoa de Meia-Idade , Inibidores de Proteínas Quinases/administração & dosagem , Inibidores de Proteínas Quinases/efeitos adversos , Piridazinas/administração & dosagem , Piridazinas/efeitos adversos , Terapia de Salvação , Análise de Sobrevida , Falha de Tratamento , Resultado do Tratamento , Adulto Jovem
19.
Saudi J Kidney Dis Transpl ; 27(6): 1155-1161, 2016.
Artigo em Inglês | MEDLINE | ID: mdl-27900960

RESUMO

Many patients develop new-onset diabetes after kidney transplantation (NODAT). Its incidence and epidemiology are unknown in the Saudi population. We aimed to study the incidence, epidemiology, and outcomes of kidney transplant recipients who developed NODAT. This is a retrospective study of all adults who received kidney transplant between January 2003 and December 2009. NODAT was defined according to the criteria outlined in the 2003 International Consensus guidelines. A total of 500 patients were included in this study, 54% were male patients. One hundred thirty-six patients (27%) developed diabetes (NODAT group). In the univariate analysis, patients were older in the NODAT group (P <0.001), were of higher weight (P = 0.006), and had positive family history of diabetes (P = 0.002). Similarly, more patients in this group had impaired glucose tolerance before transplant (P = 0.01) and history of hepatitis C infection (P = 0.005). In the multivariate analysis, older age [odds ratio (OR) 1.06], family history of diabetes (OR 1.09), hepatitis C infection (OR 1.92), and impaired fasting glucose (OR 1.79) were significant risk factors for the development of NODAT. Mortality was 6% in the NODAT group and 0.5% in the non-diabetic group had died (P <0.001). Graft survival was not different between the groups (P = 0.35). In conclusion, there is a significant risk of developing diabetes after renal transplantation. Patients are at higher risk if they are older, have a family history of diabetes, pre-transplant impaired fasting/random glucose, and hepatitis C virus infection.


Assuntos
Diabetes Mellitus , Feminino , Humanos , Imunossupressores , Incidência , Transplante de Rim , Masculino , Estudos Retrospectivos , Fatores de Risco
20.
Ann Saudi Med ; 36(4): 288-91, 2016.
Artigo em Inglês | MEDLINE | ID: mdl-27478915

RESUMO

BACKGROUND: Mortality related to human immunodeficiency (HIV) has improved with the use of antiretroviral therapy; however, liver disease-related mortality remains a major concern for the HIV population. Elevation of alanine aminotransferase (ALT) has been noted in HIV-infected persons even without viral hepatitis infection. OBJECTIVE: The objective of this study was to determine the incidence and prevalence of chronic alanine ALT elevation among patients infected with HIV who are negative for hepatitis B or C infection. DESIGN: Retrospective chart review. SETTINGS: We reviewed the medical records of all patients infected with HIV who had been treated from November 2002 to December 2010. PATIENTS AND METHODS: Patients with an unknown or positive HBV or HCV infection status were excluded. We identified patient demographics, route of transmission, peak viral load, and nadir CD4 count. RESULTS: We followed 440 patients for up to 2265 person-years. A total of 123 patients developed chronically elevated ALT levels, with an incidence of 5.8 cases per 100 person-years. Chronically elevated ALT levels were associated with high HIV viral load, mean body mass index, and diabetes mellitus. We found exposure to lamivudine in 58% of the patients, efavirenz in 41%, and zidovudine in 38%. Abdominal ultrasounds revealed fatty liver in 20 of 39 (51%) of the patients. CONCLUSION: Among patients without viral hepatitis coinfection, the prevalence and incidence of chronic elevated ALT levels were high and accompanied by high HIV RNA levels and increased BMI. LIMITATIONS: The limitations of this report are its retrospective nature and lack of a control group.


Assuntos
Alanina Transaminase/sangue , Infecções por HIV/sangue , Hepatopatias/sangue , Hepatopatias/epidemiologia , Adulto , Alcinos , Fármacos Anti-HIV/uso terapêutico , Benzoxazinas/uso terapêutico , Contagem de Linfócito CD4 , Doença Crônica , Coinfecção , Ciclopropanos , Feminino , Infecções por HIV/tratamento farmacológico , Infecções por HIV/imunologia , Hepatite B/sangue , Hepatite C/sangue , Humanos , Incidência , Lamivudina/uso terapêutico , Masculino , Prevalência , Estudos Retrospectivos , Carga Viral , Zidovudina/uso terapêutico
SELEÇÃO DE REFERÊNCIAS
DETALHE DA PESQUISA