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This study described biomarkers of immune aging (immunosenescence) and evaluated the use of digital tools together with a nutritional intervention for healthy weight loss. It enrolled participants over 18, including overweight/obese people, healthy young people, older adults, oncology patients, and those who had severe or long COVID-19. It is a study without an assigned phase and has been completed.
The summary above is a plain-language rendering of the official record. The original English title is shown for reference.
Criteria are reproduced from the ClinicalTrials.gov record in the original English. Only the trial team can determine eligibility.
Inclusion Criteria (commun for all groups): * Men/women * Minimum 18 years old * Adequate cultural level and understanding of the clinical study. * Agree to participate voluntarily in the study and give written informed consent. Population-specific inclusion criteria: * Overweight/obese population: * BMI 25-35 Kg/m2 * Ability to handle electronic devices for data capture. * Healthy young population: * Between 18 and 25 years old (both inclusive). * Senior population * Over 55 years of age. * Oncology patients * Over 18 years of age. * With a clinical diagnosis of an active tumour process. * Patients who developed severe or persistent COVID-19: * Severe COVID-19: Patients who have suffered from COVID-19 disease and whose symptomatology is considered within the clinical pictures of severity of this disease, which may include: severe pneumonia, acute respiratory distress syndrome (ARDS), presence of respiratory failure (SaO2 \<90% room air) or respiratory rate ≥ 30 breaths per minute, sepsis, septic shock, thromboembolism and multi-organ dysfunction (including acute cardiac and renal injuries). * COVID-19 persistence: Patients who have had COVID-19 disease and who remain with active symptomatology after what is considered the acute phase of the disease, after 4 or even 12 weeks, with symptoms persisting over time. Exclusion Criteria: * Dementia, mental illness or diminished cognitive function that can hinder the subject's participation on the study. * Severe diseases (liver disease, kidney disease, etc.) * BMI \> 35 Kg/m2 * Pregnancy or breastfeeding. Population-specific exclusion criteria: * Overweight/obese population: * BMI \<25 Kg/m2 or \> 35 Kg/m2 * Pharmacological treatment for weight loss. * Refusal to be monitored for one month by means of sensors and nutritional visits. * Refusal to follow healthy eating guidelines for weight loss. * Healthy young population: * Chronic or acute pathologies.