Publications by authors named "Roberta Marcia Marques Dos Santos"

Purpose: The use of immunomodulators in the treatment of multiple myeloma (MM) patients has been associated with venous thromboembolism (VTE). Due to the increase in mortality of cancer patients, venous thromboembolism is an important concern for newly diagnosed multiple myeloma (NDMM) patients. The aim of this study was to determine the incidence of thromboembolic events and evaluate associated risk factors among Brazilian NDMM patients using immunomodulators.

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Background: Survival in multiple myeloma (MM) has improved in the past years with the introduction of immunomodulators and proteasome inhibitors. However, chemotherapyinduced peripheral neuropathy (CIPN) is associated with both drug classes affecting Health- Related Quality of Life (HRQoL) and activities of daily living (ADL).

Objective: We evaluated CIPN in MM patients to identify associated factors and impacts on HRQoL and ADL.

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Purpose: Verify the association between anticholinergic burden and health-related quality of life of patients with multiple myeloma.

Methods: Cross-sectional study with multiple myeloma outpatient from a state capital city in southeastern Brazil. Sociodemographic, clinical, and pharmacotherapeutic variables were collected by interview.

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Background: Multiple myeloma (MM) is an incurable cancer of plasma cells; the survival of which has improved over the years with the emergence of new treatments. In Brazil, the availability of treatment-regimens is different from developed countries. Real-world evidence with Brazilian patients is lacking.

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Venous thromboembolism (VTE) is among the complications of Multiple Myeloma (MM) and may occur in up to 10% of this patient population. However, medications used in MM therapy such as immunomodulators (IMID) may raise these rates. Thus, risk prediction models have been developed to quantify the risk of VTE in MM patients.

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Article Synopsis
  • - The study aimed to analyze the use of fall risk-increasing drugs (FRIDs) and neuropathy-inducing medications in older adults with multiple myeloma (MM) in Brazil.
  • - Conducted with 153 older adults, it found that 71.3% were using FRIDs, with diuretics, antidepressants, and opioids being the most common, and 32.7% were at high risk of falling, particularly due to polypharmacy.
  • - The study concluded that the high frequency of FRID use is linked to polypharmacy in older adults with MM, highlighting the need for careful medication management to mitigate risks.
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Objective: Multiple myeloma (MM) is an incurable hematological cancer and its treatment is geared to promote better Health-Related Quality of Life (HRQoL). We aimed to assess HRQoL and compare scores between variables on therapeutic regimens and polypharmacy in MM patients.

Methods: This cross-sectional study was performed from April/2019 to February/2020 in Belo Horizonte, Brazil.

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Snake envenoming is a neglected tropical disease that affects more than 2.7 million people worldwide. The treatment is based on the administration of antivenom composed of heterologous immunoglobulins, species-specific therapy involving the possibility of adverse reactions due to activation of the immune system.

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Drug utilization research to describe the control of thalidomide in Brazil and its use in Minas Gerais state. An online questionnaire was sent to the Brazilian federative units to collect data concerning distribution, dispensation, user registration, and thalidomide adverse events. Distribution (2011-2018) and dispensing (2015-2018) data in Minas Gerais were obtained through the pharmaceutical care management system.

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Validate the Treatment Adherence Measure (TAM) instrument in outpatients with MM concerning construct validity, reliability and the ceiling and floor effects. This cross-sectional study included patients diagnosed with MM previously treated with an immunomodulator for at least one month, aged 18 or over, and followed-up in the investigated outpatient clinics. Adherence to immunomodulators was measured by TAM.

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Purpose: Multiple myeloma (MM) is a rare but treatable hematological cancer, which makes the health-related quality of life (HRQoL) an important patient-report outcome measure in clinical studies. The Quality of Life Questionnaire Multiple Myeloma Module (QLQ-MY20) was developed by the European Organization for Research and Treatment of Cancer (EORTC) to measure HRQoL in people with MM. However, the Brazilian Portuguese version of QLQ-MY20 has not yet been validated for Brazil.

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Introduction: Thalidomide, used to treat erythema nodosum leprosum (ENL), is associated with severe adverse events (AEs) and is highly teratogenic.

Methods: A cross-sectional study was conducted on thalidomide-treated patients with ENL. AEs and selected variables were investigated through interviews and assessment of medical records.

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Water-in-oil-in-water (W/O/W) multiple emulsions and microemulsions have been studied as potential candidates to be formulated as adjuvants. In this work their application as adjuvants for rabies virus immunization was studied. The humoral response, the effective dose 50 and histology for the developed formulations were evaluated in mice and compared with those from traditional adjuvants.

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Crotoxin (CA.CB) is a beta-neurotoxin from Crotalus durissus terrificus snake venom that is responsible for main envenomation effects upon biting by this snake. It is a heterodimer of an acidic protein (CA) devoid of any biological activity per se and a basic, enzymatically active, PLA(2) counterpart (CB).

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Crotoxin (Ctx) is a potent neurotoxin of the venom of Crotalus durissus terrificus (the South American rattlesnake). Ctx is a heterodimer composed of CB, a toxic PLA(2) subunit, and CA, a non-toxic and non-enzymatic subunit, that potentiates the neurotoxicity of CB in vivo. The deleterious action of Ctx upon C.

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