A Case-Control Study of Esophageal Squamous Cell Carcinoma in Lilongwe, Malawi
Collecte de données
Carcinome épidermoïde de l'œsophage+12
+ Carcinome
+ Carcinome à cellules squameuses
Cas témoins
Analyse de profils avec et sans la maladie pour comprendre ce qui pourrait l'avoir favorisée.Résumé
Date de début de l'étude : 1 août 2017
Date à laquelle le premier participant a commencé l'étude.Background: Esophageal cancer causes an estimated 400,000 deaths per year and ranks as the sixth leading cause of cancer death worldwide, just after breast cancer. Esophageal squamous cell carcinoma (ESCC) accounts for 89% of all esophageal cancer cases worldwide and many of the cases originate in two high risk regions, one in Asia and the other in Africa. Smoking tobacco and heavy alcohol consumption do not explain the incidence rates in the high-risk regions. It is therefore important to consider a wide range of etiologic factors to explain the high rates of cancer in these populations. Malawi has the highest incidence rates of ESCC in Africa. Our previous studies in Kenya and preliminary studies in Malawi point to a number of potential ESCC risk factors. Objectives: Our study aims to enhance our understanding of the causes and outcomes for ESCC in Malawi Eligibility: All suspected ESCC cases will be eligible for enrollment. Design: We will conduct a case-control study of ESCC jointly at Kamuzu Central Hospital and St. Gabriel s Hospital, recruiting 300 ESCC cases and 300 controls, to (1) evaluate exposures (including consumption of very hot beverages, use of firewood as fuel, tooth loss and animal exposure) which may influence risk of ESCC in Malawi and (2) collect biological samples to quantify exposures of interest (included in the current proposal) and to study the genetics and genomics of ESCC tumors (to be included in a future proposal).
Protocole
Cette section fournit des détails sur le plan de l'étude, y compris la manière dont l'étude est conçue et ce qu'elle évalue.648 participants à inclure
Nombre total de participants que l'essai clinique vise à recruter.Cas témoins
Éligibilité
Les chercheurs recherchent des patients correspondant à une certaine description appelée critères d'éligibilité : état de santé général ou traitements antérieurs du patient.Tout sexe
Le sexe biologique des participants éligibles à s'inscrire.De 18 à 99 ans
Tranche d'âge des participants éligibles à participer.Volontaires sains autorisés
Indique si les individus en bonne santé et ne présentant pas la condition étudiée peuvent participer.Conditions
Pathologie
Critères
* INCLUSION CRITERIA: * All suspected ESCC cases will be eligible for enrollment. * All KCH and St Gabriel s patients greater than or eqaul to 18 years of age who are residents of the Central Region of Malawi and are diagnosed with histology-confirmed ESCC will be invited to participate as cases in the study. EXCLUSION CRITERIA: * Patients \<18 years old * Those living outside the Central Region, those who are medically unable to complete the study procedures (including questionnaire, biosample collection or endoscopy), and those who are unable to understand the study procedures or give informed consent. While we do expect to see younger people with ESCC in Malawi (as we have seen in Kenya), cases under the age of 18 are rare: the field team would expect to see one or two a year. This estimate is in line with the cancer registry data from Malawi. Therefore, we will not enroll subjects younger than 18 years old.
Plan de l'étude
Découvrez tous les traitements administrés dans cette étude, leur description détaillée et ce qu'ils impliquent.Objectifs de l'étude
Objectifs principaux
Centres d'étude
Ce sont les hôpitaux, cliniques ou centres de recherche où l'essai est conduit. Vous pouvez trouver le site le plus proche de vous ainsi que son statut.Cette étude comporte 2 sites
St Gabriel's Hospital
Namitete, Malawi