Publications by authors named "Boutayeb S"

The accurate prediction of particulate matter ( ) levels, an indicator of natural pollutants such as those resulting from dust storms, is crucial for public health and environmental planning. This study aims to provide accurate forecasts of over Morocco for 5 days. The analog ensemble (AnEn) and the bias correction (AnEnBc) techniques were employed to post-process forecasts produced by the Copernicus Atmosphere Monitoring Service (CAMS) global atmospheric composition forecasts, using CAMS reanalysis data as a reference.

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Background: Wilms tumour (WT), the second most reported childhood cancer in Morocco, is a malignant kidney tumour that affects children under 15 years old. Prognosis has improved with the adoption of multimodal treatment. However, data on WT in Morocco remain limited.

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Accurate prediction of Particulate Matter ( ) levels, an indicator of natural pollutants such as those resulting from dust storms, is crucial for public health and environmental planning. This study aims to provide accurate forecasts of over Morocco for five days. The Analog Ensemble (AnEn) and the Bias Correction (AnEnBc) techniques were employed to post-process forecasts produced by the Copernicus Atmosphere Monitoring Service (CAMS) global atmospheric composition forecasts, using CAMS reanalysis data as a reference.

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Background: First- and second-generation anti-epithelial growth factor receptor tyrosine kinase inhibitors have shown great efficacy in the treatment of advanced adenocarcinoma with epithelial growth factor receptor mutations, but this efficacy is limited by certain resistance mechanisms, in particular the T790M mutation, which must be screened before second-line treatment with osimertinib is indicated. The search for this mutation is sometimes difficult, especially in cases of intracranial relapse, through this case report we attempt to discuss the possibility of initiating treatment with osimertinib despite an unknown T790M mutation in such situation.

Case Report: We present the case of a 70-year-old Moroccan male patient diagnosed with non-small cell lung carcinoma initially metastatic to the pleura with an epithelial growth factor receptor mutation who received gefitinib in first line with a complete response, he subsequently presented with cerebral oligo-progression with extra cranial stability.

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Desmoid tumors (DTs) are rare, aggressive malignancies developing from clonal fibroblastic proliferation originating from soft tissues. Despite their low metastatic potential, their invasiveness towards neighboring organs and a high recurrence rate contribute significantly to morbidity and mortality, thereby impacting the quality of life of patients. Several therapeutic options are available, but standardized protocols are lacking.

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Article Synopsis
  • This study in Morocco analyzed the cancer patient journey to identify delays in diagnosis and treatment, highlighting how most patients are diagnosed at advanced stages.
  • It involved interviewing 812 recently diagnosed cancer patients across major oncology centers to assess timeframes for various stages of their care.
  • Key findings indicated that while the patient interval and treatment times met international guidelines, the diagnosis interval was significantly longer than recommended, which emphasizes the need for improved pathways for cancer care in the region.*
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The major roles of vitamin D in the genesis of breast cancer and as an immunomodulator against acute and chronic infections have been the subject of much research in recent years. A low vitamin D status could decrease the function of blocking the cell multiplication cycle of the cancer process and weaken the immune system. In this context, we were interested in the implication of vitamin D status in women with human papilloma virus (HPV)-induced breast cancer.

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Cancer is a real public health problem in the world. The patients' functional cancer impact on patients needs a global care approach. Physical activity is recognized as supportive care because it benefits patients throughout the cancer care pathway.

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Background: Metastatic germ cell tumors particularly in the bone are rare entities. They occur in young men and classified in the group of poor prognosis. Bone metastases are responsible for a significant functional handicap and a deep alteration in the quality of life of young patients.

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Background: The SARS-CoV-2 pandemic has slowed down cancer prevention and treatment strategies; consequently, cancer patients are prioritized to get the COVID-19 vaccines. Being constantly threatened by a new outbreak, the dive within the immunogenicity response is of great value; nonetheless, evaluating the side effects of these vaccines on fragile patients will assure their adherence to the vaccination protocol.

Objectives: This study sets out to investigate the adverse events reported about the vaccine according to its doses and types, and to compare the prevalence and severity of toxicities across two subgroups of cancer patients, those who received the injection during active therapy cycles, and those who have not started the therapy yet at vaccination time, moreover, this paper examines the will and commitment of this population to the vaccination schemes.

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Background: Variety of conventional treatments are used to treat cancer. Cancer patients adopt other alternative therapies including medicinal plants. Their curative power results in the presence of secondary metabolites in its different parts.

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Background: The utility of heated intraperitoneal chemotherapy (HIPEC) in the management of epithelial ovarian cancer (EOC) has been assessed in several randomised clinical trials and meta-analyses, and it is still a subject of controversy. Therefore, we performed an umbrella review of existing meta-analyses to summarise the outcomes of HIPEC and cytoreductive surgery (CRS) association in ovarian cancer.

Methods: We examined the MEDLINE, Cochrane Library, Scopus, Prospero, Web of Science and Science Direct from inception to May 30, 2020, for meta-analyses of randomised controlled trials and observational studies.

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Article Synopsis
  • The study investigates the management of peritoneal surface malignancy (PSM) in North Africa, focusing on current practices and knowledge among specialists in this field.
  • A qualitative survey with 103 participants (mainly oncologists and surgeons) highlighted varying levels of satisfaction with existing treatment options, particularly noting mild satisfaction for gastric cancer and moderate for colorectal and ovarian types.
  • The results indicate a significant demand for new treatment modalities, along with the recognition of systemic chemotherapy and HIPEC as useful treatment options, pointing to the need for improved referral structures and communication networks in managing PSM.
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Introduction: the benefits of physical activity have been approved in oncology care. This is why healthcare professionals must play a principle role in promoting physical activity during all cancer care pathway. The purpose of this study was to explore and compare physicians' and nurses' knowledge and views toward physical activity advice in oncology care.

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The purpose of the present study was to examine the association between religiosity, depression, and anxiety in Moroccan cancer patients. A convenience sample of 1055 participants was recruited to complete questionnaires. Socio-demographic, religious, and cancer characteristics were assessed.

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The development of tyrosine kinase inhibitors has revolutionized the treatment strategy in patients with non-small cell lung cancer with activating EGFR mutations, ALK or ROS-1 gene rearrangements. The Food and Drug Administration and European Medicines Agency have approved several inhibitors for the treatment of non-small cell lung cancer : five tyrosine kinase inhibitors targeting EGFR (erlotinib, gefitinib, afatinib, osimertinib and dacomitinib) and six tyrosine kinase inhibitors targeting ALK (crizotinib, céritinib, alectinib, brigatinib, lorlatinib and entrectinib). Interestingly, these tyrosine kinase inhibitor treatments are administered orally.

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Introduction: the use of medicinal plants has increased significantly in recent years. According to the World Health Organization, 80% of the world's population uses medicinal plants to treat themselves. Our study aims to estimate the prevalence of medicinal plant use by cancer patients, list the different plants and identify their adverse effects cited by users and their reported efficacy.

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Introduction: Oral anticancer therapy is becoming increasingly developed; their prescription has become a common practice in oncology. However, there is a variability and diversity in prescription practice. Its magnitude has been very little studied in scientific literature.

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Background: In 2020, Morocco recorded more than 59,370 new cases of cancer and more than 35,265 cases of death (International Agency for Research on Cancer, Annual report Morocco, 2020). Cancer is always accompanied by socially constructed, differentiated, and contingent interpretations and practices according to the socio-cultural and religious characteristics of each region. The study aims at describing the evolution of the socio-cultural and religious aspects of Moroccan cancer patients followed at the National Institute of Oncology (NIO) of Rabat between 2010 and 2020.

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Implementing a multimodal management of peritoneal surface malignancies is a steep and complex process, especially as complete cytoreductive surgery (CRS) is the backbone and the major prognostic factor for hyperthermic intraperitoneal chemotherapy (HIPEC) procedures. The implementation of such a program is a challenging process, particularly in low-middle income (LMIC) countries where ressource restrictions may represent a major hurdle to HIPEC appliances acquisition. Herein is the first audit of the implementation of a national peritoneal malignancy program in a north African country.

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Background: Transanal total mesorectal excision (TaTME) is a new technique that is designed to overcome the limits encountered during laparoscopic total mesorectal excision (LaTME) for rectal cancer, especially in male, obese patients with a narrow pelvis and mid and low rectal tumours.

Aim: The objective of our meta-analysis is to evaluate short-term oncological and perioperative outcomes of transanal total mesorectal excision (TaTME) compared to laparoscopic total mesorectal excision (LaTME) for rectal cancer.

Methods: A meta-analysis based on Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) guidelines was conducted in MEDLINE (PubMed).

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Background: Health-related quality of life is mainly impacted by colorectal cancer which justified the major importance addressed to the development and validation of assessment questionnaires. We aimed to assess the validity and reliability of the Moroccan Arabic Dialectal version of the European Organization for Research and Treatment of Cancer (EORTC) Quality of Life Core Questionnaire (QLQ-C30) in patients with colorectal cancer.

Methods: We conducted a cross-sectional study using the Moroccan version of the EORTC QLQ-C30 on colorectal cancer patients from the National Oncology Institute of Rabat, in the period from February 2015 to June 2017.

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Background: University life is a crucial period when dietary habits and lifestyle behaviours are formed and may have long-lasting effects on the development of obesity and related chronic diseases.

Aim: To investigate the association of overweight/obesity with dietary habits, physical activity, screen time and sleep duration among university students.

Methods: A total of 438 students aged 18-26 years were recruited from Mohammed V University in Rabat, Morocco.

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