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1.
Mayo Clin Proc ; 99(1): 15-21, 2024 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-38108685

RESUMO

Today, approximately 50% of patients eligible for Medicare have opted for Medicare Advantage as their primary coverage. Whereas Medicare Advantage is a reasonable option for healthy senior Americans, issues arise once they have serious or chronic medical problems, which are prevalent among older Americans. This review details the pros and cons of standard Medicare vs Medicare Advantage. The authors recommend considering standard Medicare as a better form of insurance coverage. In addition, patients should also enroll in Medicare Part D to get prescription drug coverage; buy a supplemental MediGap policy; and buy additional coverage for hearing, vision, and dental care. Although this is a more complicated process, it is also a better one until Medicare Advantage revises its plans to address the current issues facing Americans on such plans who have serious illnesses.


Assuntos
Leucemia , Medicare Part C , Neoplasias , Idoso , Humanos , Estados Unidos , Seguro de Saúde (Situações Limítrofes) , Cobertura do Seguro
2.
Am J Hematol ; 98(8): 1196-1203, 2023 08.
Artigo em Inglês | MEDLINE | ID: mdl-37183966

RESUMO

Reverse transcription polymerase chain reaction (RT-PCR) for BCR::ABL1 is the most common and widely accepted method of measurable residual disease (MRD) assessment in Philadelphia chromosome-positive acute lymphoblastic leukemia (Ph+ ALL); however, RT-PCR may not be an optimal measure of MRD in many cases of Ph+ ALL. We evaluated the clinical impact of a highly sensitive next-generation sequencing (NGS) MRD assay (sensitivity of 10-6 ) and its correlation with RT-PCR for BCR::ABL1 in patients with Ph+ ALL. Overall, 32% of patients had a discordance between MRD assessment by RT-PCR and NGS, and 31% of patients who achieved NGS MRD negativity were PCR+ at the same timepoint. Among eight patients with long-term detectable BCR::ABL1 by PCR, six were PCR+/NGS-. These patients generally had stable PCR levels that persisted despite therapeutic interventions, and none subsequently relapsed; in contrast, patients who were PCR+/NGS+ had more variable PCR values that responded to therapeutic intervention. In a separate cohort of prospectively collected clinical samples, 11 of 65 patients (17%) with Ph+ ALL who achieved NGS MRD negativity had detectable BCR::ABL1 by PCR, and none of these patients relapsed. Relapse-free survival and overall survival were similar in patients who were PCR+/NGS- and PCR-/NGS-, suggesting that PCR for BCR::ABL1 did not provide additional prognostic information in patients who achieved NGS MRD negativity. NGS-based assessment of MRD is prognostic in Ph+ ALL and identifies patients with low-level detectable BCR::ABL1 who are unlikely to relapse nor to benefit from therapeutic interventions.


Assuntos
Proteínas de Fusão bcr-abl , Leucemia-Linfoma Linfoblástico de Células Precursoras , Humanos , Proteínas de Fusão bcr-abl/genética , Prognóstico , Reação em Cadeia da Polimerase Via Transcriptase Reversa , Leucemia-Linfoma Linfoblástico de Células Precursoras/diagnóstico , Leucemia-Linfoma Linfoblástico de Células Precursoras/genética , Leucemia-Linfoma Linfoblástico de Células Precursoras/tratamento farmacológico , Neoplasia Residual/diagnóstico , Neoplasia Residual/genética , Sequenciamento de Nucleotídeos em Larga Escala , Recidiva
3.
Lancet Haematol ; 9(11): e854-e861, 2022 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-36174582

RESUMO

Several research and market developments in the past 5 years could influence front-line and subsequent-line strategies in chronic myeloid leukaemia. These developments include the increased availability of effective and safe generic imatinib at affordable prices, studies showing that doses of tyrosine kinase inhibitors (TKIs) lower than the approved dose are effective and less toxic, studies showing that dose-adjusted ponatinib therapy at a reduced dose is effective and substantially safer than approved doses, and the approval of asciminib as third-line therapy in 2021. With the availability of an affordable generic imatinib, all patients with chronic myeloid leukaemia globally should be able to access a lifetime supply. The availability of reduced-dose schedules of generic second-generation TKIs, which are less toxic and produce faster deep molecular response than imatinib, might make them more appealing to use as front-line therapy. In the subsequent-line setting, the role of different TKIs as second, third, and later lines of therapy depends on the evolving front-line use. Dose-adjusted ponatinib schedules have shown better efficacy and safety with long-term follow-up. Ponatinib is the favoured therapy for patients with second-generation-TKI resistance or chronic myeloid leukaemia with 944C→T (Thr315Ile)-mutated BCR-ABL1. Studies of asciminib are needed in larger numbers of patients and with longer follow-up than has been done previously to better assess its comparative efficacy, safety, and survival data (vs ponatinib). The role of third-generation TKIs as second-line therapy following front-line resistance to second-generation TKIs needs to be evaluated. New and mature data with TKI therapy in chronic myeloid leukaemia are producing observations that encourage continuous discussion of the optimal treatment recommendations and frameworks in chronic myeloid leukaemia.


Assuntos
Antineoplásicos , Leucemia Mielogênica Crônica BCR-ABL Positiva , Humanos , Mesilato de Imatinib/efeitos adversos , Proteínas de Fusão bcr-abl/genética , Inibidores de Proteínas Quinases/efeitos adversos , Leucemia Mielogênica Crônica BCR-ABL Positiva/tratamento farmacológico , Medicamentos Genéricos/uso terapêutico , Marketing , Antineoplásicos/efeitos adversos
4.
Int J Radiat Oncol Biol Phys ; 114(5): 977-988, 2022 12 01.
Artigo em Inglês | MEDLINE | ID: mdl-35675852

RESUMO

It is crucial to economically justify the use of promising therapies such as stereotactic ablative radiotherapy (SABR) for oligometastatic disease (OMD). The goal of this systematic review was to provide a summative evaluation of publications that analyzed the cost-effectiveness (CE) of SABR for OMD. Using Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA)-guided methodology, PubMed and Embase were searched for modeling-based CE studies for various forms of limited metastatic disease. Only full publications that specifically compared SABR with a systemic therapy-based approach were included. In total, 9 studies met inclusion criteria; 4 pertained to OMD with mixed histologies, 2 to oligometastatic non-small cell lung cancer, 1 to pulmonary OMD, 1 to liver OMD, and 1 to low-volume oligorecurrent castration-sensitive prostate cancer. All but 1 investigation illustrated that SABR was cost-effective for the studied population (or a subpopulation); of these studies, the incremental CE ratios for SABR (when reported) ranged from $28,000/quality-adjusted life-year (QALY) to $55,000/QALY. Of studies that reported the probability of SABR being cost-effective at common willingness-to-pay values, the median (range) probability of achieving CE was roughly 61% (30%-88%) at a $50,000/QALY threshold and 78% (31%-100%) at a $100,000/QALY threshold. Taken together, the available evidence suggests that SABR appears to be a cost-effective approach for OMD, which has implications for value-based oncologic practice and construction of future health policies. However, reassessment is required in the context of modern systemic therapies (eg, immunotherapy) as well as long-term follow-up of existing and newly reported randomized trials. Prudent patient selection remains the single most important factor influencing the CE of SABR for OMD.


Assuntos
Carcinoma Pulmonar de Células não Pequenas , Neoplasias Pulmonares , Radiocirurgia , Masculino , Humanos , Radiocirurgia/métodos , Análise Custo-Benefício , Carcinoma Pulmonar de Células não Pequenas/radioterapia , Neoplasias Pulmonares/secundário , Anos de Vida Ajustados por Qualidade de Vida
5.
Blood Adv ; 6(13): 4006-4014, 2022 07 12.
Artigo em Inglês | MEDLINE | ID: mdl-35533262

RESUMO

Measurable residual disease (MRD) is highly prognostic for relapse and overall survival (OS) in acute lymphoblastic leukemia (ALL), although many patients with apparent "MRD negativity" by standard assays still relapse. We evaluated the clinical impact of a highly sensitive next-generation sequencing (NGS) MRD assay in 74 adults with ALL undergoing frontline therapy. Among remission samples that were MRD negative by multiparameter flow cytometry (MFC), 46% were MRD+ by the NGS assay. After 1 cycle of induction chemotherapy, MRD negativity by MFC at a sensitivity of 1 × 10-4 and NGS at a sensitivity of 1 × 10-6 was achieved in 66% and 23% of patients, respectively. The 5-year cumulative incidence of relapse (CIR) among patients who achieved MRD negativity by MFC at complete remission (CR) was 29%; in contrast, no patients who achieved early MRD negativity by NGS relapsed, and their 5-year OS was 90%. NGS MRD negativity at CR was associated with significantly decreased risk of relapse compared with MRD positivity (5-year CIR, 0% vs 45%, respectively; P = .04). Among patients who were MRD negative by MFC, detection of low levels of MRD by NGS identified patients who still had a significant risk of relapse (5-year CIR, 39%). Early assessment of MRD using a highly sensitive NGS assay adds clinically relevant prognostic information to standard MFC-based approaches and can identify patients with ALL undergoing frontline therapy who have a very low risk of relapse and excellent long-term survival.


Assuntos
Transplante de Células-Tronco Hematopoéticas , Leucemia-Linfoma Linfoblástico de Células Precursoras , Doença Aguda , Adulto , Sequenciamento de Nucleotídeos em Larga Escala , Humanos , Neoplasia Residual/diagnóstico , Leucemia-Linfoma Linfoblástico de Células Precursoras/diagnóstico , Leucemia-Linfoma Linfoblástico de Células Precursoras/genética , Recidiva
6.
Clin Lymphoma Myeloma Leuk ; 22(6): e386-e391, 2022 06.
Artigo em Inglês | MEDLINE | ID: mdl-34980577

RESUMO

BACKGROUND: Microsatellite instability (MSI) is caused by defects in DNA mismatch repair (MMR) components. Inactivation of any MMR gene(s), including hMLH1, hMSH2, hMSH6, and hPMS2, can result in MSI. Immunohistochemistry (IHC) is a sensitive and specific screening tool for MSI that can detect loss of expression of one or more MMR components. Of the four MMR markers, hMLH1 and hMSH2 are considered most informative of MSI status. There has been renewed interest in MSI status in view of its favorable association with response to immune checkpoint inhibitors in some cancers. MMR expression patterns in acute myeloid leukemia (AML) have not been evaluated systematically. METHODS: We used clinically-validated IHC assays to assess the expression of hMLH1, hMSH2, hMSH6, and/or hPMS2 in formalin-fixed paraffin-embedded tissue sections of bone marrow core biopsies from patients diagnosed with AML. Mutation profiling was performed using next-generation sequencing to assess for mutations in MMR genes. RESULTS: The study group included 236 patients with AML, including a cohort treated on a clinical trial of azacitidine and nivolumab (NCT02397720). In addition, hMSH6, and/or hPMS2 expression was assessed in 99 AML patients with diploid karyotype. All patients, except two, had retained expression of all MMR markers assessed: One patient from the azacytidine+nivolumab group had zonal patchy loss of staining of hMLH1 and, to a lesser extent, a similar staining pattern of hMSH2; and one patient from the AML with diploid karyotype group had loss of hMSH2 but retained expression of hMLH1, hMSH6 and hPMS2. In addition, a retrospective analysis on a separate cohort of 139 patients with primary AML, on which next generation sequencing profiling was performed, identified 14 cases with alterations in MMR genes. CONCLUSION AND REMARKS: MMR loss is a rare event in AML, thus does not appear to underlie response patterns to anti-PD1 therapy.


Assuntos
Leucemia Mieloide Aguda , Instabilidade de Microssatélites , Proteínas Adaptadoras de Transdução de Sinal/genética , Proteínas Adaptadoras de Transdução de Sinal/metabolismo , Pareamento Incorreto de Bases , Proteínas de Transporte/genética , Reparo do DNA , Humanos , Imuno-Histoquímica , Leucemia Mieloide Aguda/tratamento farmacológico , Leucemia Mieloide Aguda/genética , Repetições de Microssatélites , Proteína 1 Homóloga a MutL/genética , Proteína 1 Homóloga a MutL/metabolismo , Proteína 2 Homóloga a MutS/genética , Proteína 2 Homóloga a MutS/metabolismo , Nivolumabe , Proteínas Nucleares/genética , Proteínas Proto-Oncogênicas/genética , Estudos Retrospectivos
7.
Blood Cancer J ; 10(5): 61, 2020 05 26.
Artigo em Inglês | MEDLINE | ID: mdl-32457305

RESUMO

Mutations of ABL1 are the dominant mechanism of relapse in Philadelphia chromosome-positive acute lymphoblastic leukemia (Ph + ALL). We performed highly accurate Duplex Sequencing of exons 4-10 of ABL1 on bone marrow or peripheral blood samples from 63 adult patients with previously untreated Ph + ALL who received induction with intensive chemotherapy plus a BCR-ABL1 TKI. We identified ABL1 mutations prior to BCR-ABL1 TKI exposure in 78% of patients. However, these mutations were generally present at extremely low levels (median variant allelic frequency 0.008% [range, 0.004%-3.71%] and did not clonally expand and lead to relapse in any patient, even when the pretreatment mutation was known to confer resistance to the TKI received. In relapse samples harboring a TKI-resistant ABL1 mutation, the corresponding mutation could not be detected pretreatment, despite validated sequencing sensitivity of Duplex Sequencing down to 0.005%. In samples under the selective pressure of ongoing TKI therapy, we detected low-level, emerging resistance mutations up to 5 months prior to relapse. These findings suggest that pretreatment ABL1 mutation assessment should not guide upfront TKI selection in Ph + ALL, although serial testing while on TKI therapy may allow for early detection of clinically actionable resistant clones.


Assuntos
Resistencia a Medicamentos Antineoplásicos , Cromossomo Filadélfia , Leucemia-Linfoma Linfoblástico de Células Precursoras/tratamento farmacológico , Leucemia-Linfoma Linfoblástico de Células Precursoras/genética , Inibidores de Proteínas Quinases/uso terapêutico , Proteínas Proto-Oncogênicas c-abl/genética , Adulto , Idoso , Idoso de 80 Anos ou mais , Feminino , Proteínas de Fusão bcr-abl/genética , Humanos , Masculino , Pessoa de Meia-Idade , Mutação/efeitos dos fármacos , Cromossomo Filadélfia/efeitos dos fármacos , Proteínas Proto-Oncogênicas c-abl/química , Adulto Jovem
8.
Lancet Oncol ; 20(10): e601-e605, 2019 10.
Artigo em Inglês | MEDLINE | ID: mdl-31473128

RESUMO

Health-care systems in different countries have evolved along different paths, with some countries offering private insurance, some universal health care, and some a mixture between the two. In most high-income countries, health care is considered a human right and is provided universally, typically free at the point-of-care. The USA has developed a fractured for-profit system that is substantially more expensive than those of its European counterparts and delivers poorer outcomes than the health-care systems in other high-income countries, while leaving a substantial proportion of Americans without health coverage. This Personal View discusses the current health-care system in the USA and offers a roadmap towards the achievement of universal health care for the USA. Three key components of the roadmap are: support and improve the Affordable Care Act; maintain the existing private insurance system; offer in parallel a government-sponsored health-care insurance, or gradually expand Medicare to more people, and ultimately to all Americans not covered under existing health-care insurances.


Assuntos
Seguro Saúde , Pessoas sem Cobertura de Seguro de Saúde , Assistência de Saúde Universal , Cobertura Universal do Seguro de Saúde/economia , Gastos em Saúde , Humanos , Pessoas sem Cobertura de Seguro de Saúde/estatística & dados numéricos , Medicare/economia , Patient Protection and Affordable Care Act/economia , Estados Unidos , Cobertura Universal do Seguro de Saúde/legislação & jurisprudência
9.
Lancet Haematol ; 6(8): e398-e408, 2019 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-31208943

RESUMO

BACKGROUND: Treatment-free remission in chronic myeloid leukaemia-ie, achievement of a sustained deep molecular response leading to discontinuation of BCR-ABL1 tyrosine kinase inhibitor (TKI) therapy-has become a potential aim of therapy. Highly priced second-generation TKIs might offer deep molecular response status more quickly and for more patients than imatinib; however, with the availability and lower cost of generic imatinib, the value of second-generation TKIs as frontline therapy for this particular treatment endpoint remains unknown. We aimed to assess the potential value of second-generation TKIs used as frontline therapy in patients with chronic myeloid leukaemia in chronic phase in relation to the probability of achieving sustained deep molecular responses compared with generic imatinib, and the associated cost of each modality. METHODS: We used a decision analytic model to consider the value of different TKI approaches from the payer's perspective. The proportion of patients achieving sustained deep molecular response after 5 years of treatment in chronic phase was estimated at 26% with imatinib and 44% with second-generation TKIs. We also modelled more favourable scenarios of the proportion of patients achieving such response with second-generation TKIs at 66%, 88%, and a near-perfect response of 99%. For each scenario, we examined the impact of the combination of health utilities for chronic-phase chronic myeloid leukaemia (base case 0·89, range 0-1) and the annual cost of second-generation TKIs (base case US$152 814 [ie, the price of nilotinib in the USA], range 0-240 000) on the cost-effectiveness of second-generation TKIs compared with generic imatinib. We used different price scenarios for generic imatinib in the USA (average price $35 000 per year; lowest price $4400 per year), Europe ($4000 per year), and developing countries ($2100 per year). We calculated incremental cost-effectiveness ratios (ICERs) and assessed cost-effectiveness by considering two societal willingness-to-pay thresholds: $50 000 per quality-adjusted life-year (QALY) in all markets and $200 000 per QALY in the USA. FINDINGS: In the base case, we obtained an ICER of $22 765 208, meaning that second-generation TKIs as frontline therapy to achieve sustained deep molecular response was not cost-effective under either of the societal willingness-to-pay thresholds. In our sensitivity analyses, none of the explored scenarios showed potential treatment value for use of second-generation TKIs at the current prices in the USA or at the price of $30 000-40 000 per year elsewhere. For example, considering a scenario in the USA using second-generation TKIs versus imatinib (annual price $4400 per year) with the potential benefit in favour of second-generation TKI (willingness to pay $200 000 per QALY, 66% of patients achieving sustained deep molecular response, and health utility of the chronic phase of 0·1), the cost of second-generation TKIs would need to be less than $25 000 per year to be a cost-effective option. Under the same conditions in developing nations, with a price of generic imatinib of $2100 per year and a willingness to pay of $50 000 per QALY, the annual price of second-generation TKIs should not exceed $10 000 per year of therapy. INTERPRETATION: Considering the current prices of second-generation TKIs and of generic imatinib under different pricing scenarios in the USA, Europe, and developing countries, second-generation TKIs at current prices do not offer good value as frontline therapy in chronic myeloid leukaemia in order to achieve sustained deep molecular response and treatment-free remission. FUNDING: National Cancer Institute.


Assuntos
Análise Custo-Benefício , Mesilato de Imatinib/economia , Leucemia Mielogênica Crônica BCR-ABL Positiva/economia , Inibidores de Proteínas Quinases/economia , Antineoplásicos/uso terapêutico , Medicamentos Genéricos/uso terapêutico , Proteínas de Fusão bcr-abl/antagonistas & inibidores , Proteínas de Fusão bcr-abl/metabolismo , Humanos , Mesilato de Imatinib/uso terapêutico , Leucemia Mielogênica Crônica BCR-ABL Positiva/tratamento farmacológico , Leucemia Mielogênica Crônica BCR-ABL Positiva/patologia , Inibidores de Proteínas Quinases/uso terapêutico , Pirimidinas/uso terapêutico , Anos de Vida Ajustados por Qualidade de Vida , Indução de Remissão
11.
Cancer ; 125(9): 1404-1409, 2019 05 01.
Artigo em Inglês | MEDLINE | ID: mdl-30695098

RESUMO

Plans to optimize health care in the United States highlight the high cost but rarely explore opportunities for redirecting resources within the existing system to increase access to care while lowering spending. This analysis indicates that, of the total national health care expenditures of $3.21 trillion in 2015, only $1.4 trillion to $2.86 trillion was used to provide care to patients. This range was reached by the subtraction of excess spending in 7 categories. Thus, many opportunities exist to repurpose wasted expenditures to increase access to health care without the need for additional funding.


Assuntos
Atenção à Saúde/economia , Atenção à Saúde/estatística & dados numéricos , Gastos em Saúde/estatística & dados numéricos , Qualidade da Assistência à Saúde/economia , Redução de Custos , Análise Custo-Benefício , Infecção Hospitalar/economia , Infecção Hospitalar/epidemiologia , Infecção Hospitalar/terapia , Atenção à Saúde/organização & administração , Eficiência Organizacional/economia , Feminino , Fraude/economia , Fraude/estatística & dados numéricos , Custos de Cuidados de Saúde/estatística & dados numéricos , Mau Uso de Serviços de Saúde/economia , Mau Uso de Serviços de Saúde/estatística & dados numéricos , Humanos , Cobertura do Seguro/economia , Cobertura do Seguro/estatística & dados numéricos , Masculino , Erros Médicos/economia , Erros Médicos/estatística & dados numéricos , Qualidade da Assistência à Saúde/estatística & dados numéricos , Estados Unidos/epidemiologia
12.
Am J Hematol ; 94(2): 257-265, 2019 02.
Artigo em Inglês | MEDLINE | ID: mdl-30394566

RESUMO

Measurable residual disease (MRD) that persists after initial therapy is a powerful predictor of relapse and survival in acute lymphoblastic leukemia (ALL). However, the optimal use of this information to influence therapeutic decisions is controversial. Herein, we comprehensively review the role of MRD assessment in adults with ALL, including methods to quantify residual leukemia cells during remission, prognostic impact of MRD across ALL subtypes, and available therapeutic approaches to eradicate MRD. This review presents consensus statements and provides an evidence-based framework for practicing hematologists and oncologists to use MRD information to make rational treatment decisions in adult patients with ALL.


Assuntos
Neoplasia Residual/terapia , Leucemia-Linfoma Linfoblástico de Células Precursoras/patologia , Consenso , Guias como Assunto , Humanos , Neoplasia Residual/diagnóstico , Prognóstico , Estados Unidos
14.
Cancer ; 124(19): 3849-3855, 2018 10 01.
Artigo em Inglês | MEDLINE | ID: mdl-30321462

RESUMO

BACKGROUND: The diagnosis of chronic myeloid leukemia (CML) is based on characteristic clinical and laboratory findings and the presence of BCR/ABL1 in the blood and/or bone marrow (BM). The utility of BM core biopsy in the workup of patients with CML has been questioned. METHODS: The potential added value of BM biopsy versus aspiration in the workup of a single-institution series of 508 patients with CML at their initial presentation was systematically assessed. BM biopsy was considered essential when it was needed to establish the disease phase, often because blast counts derived from aspirate smears were misleading because the biopsy specimen was more representative of the disease. BM biopsy was considered helpful if it was needed for other nonessential reasons. RESULTS: In 127 patients (25%), BM biopsy was either essential (109 patients) or helpful (18 patients). Patients with accelerated-phase (AP) or blast-phase (BP) disease often required a biopsy related to essential reasons. High-grade myelofibrosis (MF) was more frequent in patients with AP/BP disease than patients with chronic-phase disease (P = .0005), and the identification of BP disease required a BM biopsy assessment in 75% of the patients (P = .001). A follow-up BM evaluation more often yielded inadequate aspirates in patients with inadequate BM aspirates at the time of their initial diagnosis. CONCLUSIONS: BM core biopsy remains valuable in the workup of 25% of patients with CML because it facilitates identification of the disease phase or MF. The initial grade of MF is associated with the disease stage and outcome after therapy. BM biopsy is, therefore, indicated for patients with CML who have AP/BP disease or other findings suggestive of progressive disease.


Assuntos
Medula Óssea/patologia , Leucemia Mielogênica Crônica BCR-ABL Positiva/patologia , Adulto , Idoso , Idoso de 80 Anos ou mais , Biópsia , Crise Blástica/patologia , Exame de Medula Óssea/métodos , Estudos de Coortes , Análise Citogenética/métodos , Feminino , Humanos , Leucemia Mielogênica Crônica BCR-ABL Positiva/diagnóstico , Masculino , Pessoa de Meia-Idade , Técnicas de Diagnóstico Molecular , Valor Preditivo dos Testes , Mielofibrose Primária/patologia , Prognóstico , Estudos Retrospectivos , Adulto Jovem
17.
18.
Am J Hematol ; 93(3): 442-459, 2018 03.
Artigo em Inglês | MEDLINE | ID: mdl-29411417

RESUMO

DISEASE OVERVIEW: Chronic myeloid leukemia (CML) is a myeloproliferative neoplasm with an incidence of 1-2 cases per 100 000 adults. It accounts for approximately 15% of newly diagnosed cases of leukemia in adults. DIAGNOSIS: CML is characterized by a balanced genetic translocation, t(9;22)(q34;q11.2), involving a fusion of the Abelson gene (ABL1) from chromosome 9q34 with the breakpoint cluster region (BCR) gene on chromosome 22q11.2. This rearrangement is known as the Philadelphia chromosome. The molecular consequence of this translocation is the generation of a BCR-ABL1 fusion oncogene, which in turn translates into a BCR-ABL1 oncoprotein. Frontline therapy: Four tyrosine kinase inhibitors (TKIs), imatinib, nilotinib, dasatinib, and bosutinib are approved by the United States Food and Drug Administration for first-line treatment of patients with newly diagnosed CML in chronic phase (CML-CP). Clinical trials with second generation TKIs reported significantly deeper and faster responses; this has not translated into improved long-term survival, because of the availability of effective salvage therapies. Salvage therapy: For patients who fail frontline therapy, second-line options include second and third generation TKIs. Second and third generation TKIs, although potent and selective, exhibit unique pharmacological profiles and response patterns relative to different patient and disease characteristics, such as patients' comorbidities, disease stage, and BCR-ABL1 mutational status. Patients who develop the T315I "gatekeeper" mutation display resistance to all currently available TKIs except ponatinib. Allogeneic stem cell transplantation remains an important therapeutic option for patients with CML-CP who have failed at least 2 TKIs, and for all patients in CML advanced phases.


Assuntos
Leucemia Mielogênica Crônica BCR-ABL Positiva , Adulto , Idoso , Idoso de 80 Anos ou mais , Antineoplásicos/economia , Antineoplásicos/uso terapêutico , Biomarcadores , Terapia Combinada , Diagnóstico Diferencial , Custos de Medicamentos , Resistencia a Medicamentos Antineoplásicos , Previsões , Transplante de Células-Tronco Hematopoéticas , Humanos , Incidência , Leucemia Mielogênica Crônica BCR-ABL Positiva/diagnóstico , Leucemia Mielogênica Crônica BCR-ABL Positiva/tratamento farmacológico , Leucemia Mielogênica Crônica BCR-ABL Positiva/terapia , Pessoa de Meia-Idade , Terapia de Alvo Molecular , Estudos Multicêntricos como Assunto , Estadiamento de Neoplasias , Cromossomo Filadélfia , Inibidores de Proteínas Quinases/economia , Inibidores de Proteínas Quinases/uso terapêutico , Ensaios Clínicos Controlados Aleatórios como Assunto , Terapia de Salvação
19.
CA Cancer J Clin ; 68(2): 153-165, 2018 03.
Artigo em Inglês | MEDLINE | ID: mdl-29338071

RESUMO

"Financial toxicity" has now become a familiar term used in the discussion of cancer drugs, and it is gaining traction in the literature given the high price of newer classes of therapies. However, as a phenomenon in the contemporary treatment and care of people with cancer, financial toxicity is not fully understood, with the discussion on mitigation mainly geared toward interventions at the health system level. Although important, health policy prescriptions take time before their intended results manifest, if they are implemented at all. They require corresponding strategies at the individual patient level. In this review, the authors discuss the nature of financial toxicity, defined as the objective financial burden and subjective financial distress of patients with cancer, as a result of treatments using innovative drugs and concomitant health services. They discuss coping with financial toxicity by patients and how maladaptive coping leads to poor health and nonhealth outcomes. They cover management strategies for oncologists, including having the difficult and urgent conversation about the cost and value of cancer treatment, availability of and access to resources, and assessment of financial toxicity as part of supportive care in the provision of comprehensive cancer care. CA Cancer J Clin 2018;68:153-165. © 2018 American Cancer Society.


Assuntos
Antineoplásicos/economia , Efeitos Psicossociais da Doença , Financiamento Pessoal/estatística & dados numéricos , Custos de Cuidados de Saúde , Neoplasias/tratamento farmacológico , Neoplasias/economia , Neoplasias/psicologia , Estresse Psicológico/economia , Política de Saúde , Humanos
20.
J Oncol Pract ; 13(6): e538-e542, 2017 06.
Artigo em Inglês | MEDLINE | ID: mdl-28605615

RESUMO

PURPOSE: The cost of cancer drugs forms a rising proportion of health care budgets worldwide. A number of studies have examined international comparisons of initial cost, but there is little work on postlicensing price increases. To examine this, we compared cancer drug prices at initial sale and subsequent price inflation in the United States and United Kingdom and also reviewed relevant price control mechanisms. METHODS: The 10 top-selling cancer drugs were selected, and their prices at initial launch and in 2015 were compared. Standard nondiscounted prices were obtained from the relevant annual copies of the RED BOOK and the British National Formulary. RESULTS: At initial marketing, prices were on average 42% higher in the United States than in the United Kingdom. After licensing in the United States, all 10 drugs had price rises averaging an overall annual 8.8% (range, 1.4% to 24.1%) increase. In comparison, in the United Kingdom, six drugs had unchanged prices, two had decreased prices, and two had modest price increases. The overall annual increase in the United Kingdom was 0.24%. CONCLUSION: Cancer drug prices are rising substantially, both at their initial marketing price and, in the United States, at postlicensing prices. In the United Kingdom, the Pharmaceutical Price Regulation Scheme, an agreement between the government and the pharmaceutical industry, controls health care costs while allowing a return on investment and funds for research. The increasing costs of cancer drugs are approaching the limits of sustainability, and a similar government-industry agreement may allow stability for both health care provision and the pharmaceutical industry in the United States.


Assuntos
Antineoplásicos/economia , Custos de Medicamentos/estatística & dados numéricos , Indústria Farmacêutica/estatística & dados numéricos , Neoplasias/economia , Antineoplásicos/uso terapêutico , Custos de Medicamentos/tendências , Indústria Farmacêutica/tendências , Humanos , Neoplasias/tratamento farmacológico , Reino Unido , Estados Unidos
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