There are about 10004 clinical studies being (or have been) conducted in Brazil. The country of the clinical trial is determined by the location of where the clinical research is being studied. Most studies are often held in multiple locations & countries.
The goal of this clinical trial was to evaluate the effects of phytosterol supplementation to the diet on lipids, LDL and HDL subfractions, and on the quality of LDL in apparently healthy subjects. The main questions it aims to answer are: - do phytosterols reduce LDL-cholesterol and modify LDL and HDL subfractions? - do phytosterols modify the quality of LDL? Participants were aleatory selected to diet alone (D) or diet plus phytosterols (DP, 2.6 g divided in two doses, with meals) for 12 weeks, followed by a 7-day washout period, where treatments were switched for another 12-weeks.
Objective: The aim of this case series study is to present the rationality and scientific evidence of a new design for a Double and Triple abutment with their specific new concept of Biodynamic Optimized Peri-implant Tissue (BOPiT). Methods: The innovative design of these abutments with a paraboloid geometry was based on BOPiT, simultaneously involving the principles of mechanobiology, biotensegrity, and mechanotransduction. Thus, individuals rehabilitated with different extents of edentulous spaces using the innovative double and triple abutments on osseointegrated dental implants are included in this case series. The double and triple abutments support 2 or 3 dental crowns on a single implant, respectively. Clinic and radiographic examinations are presented at T1 (loading after 4 months of the implant insertion surgeries with the appropriate metalloceramic prostheses) and T2 [final examination with a follow-up time ≥ 3 to 12 years (average of 7.2 years)].
The primary objective of the study was to assess the efficacy of DA-OTC-002 as a topical cosmetic hair treatment. The investigators conducted a prospective, institution-level, interventional, single-blinded, placebo-controlled investigation to assess the efficacy of a combination an alpha-1 agonist and a TAAR receptor agonist (DA-OTC-002) as a topical cosmetic hair treatment.
Introduction: Most cardiovascular diseases (CVD) can be prevented and controlled by adopting lifestyle changes, such as regular physical exercise and nutrition. Resveratrol and beverage extract promote beneficial health effects due to their nutritional properties. Objective: to analyze the effects of resveratrol supplementation and withdrawal extract on post-exercise recovery in coronary heart disease patients. Methods: men diagnosed with ischemic coronary artery disease will undergo four exercise protocols consisting of 30 minutes of aerobic exercise on an ergometric treadmill, with 5 minutes of warm-up, intensity of 30% of the heart rate reserve (HRR), followed by 25 minutes at intensity 60% of FCR and for a final 30 minutes of recovery in the supine position. Before each exercise protocol, all volunteers will consume: 500 mg of placebo (starch), or 500 mg of beetroot, or 500 mg of resveratrol and will also consume resveratrol and drink (500 mg each) 30 minutes before exercise. , the order of each supplementation will be done randomly. Cardiorespiratory parameters and heart rate variability (HRV) will be assessed at different times throughout the experimental procedure. To analyze the moments (rest versus recovery), the Bonferroni post-test will be used for parametric distribution or the Dunn post-test for non-parametric distribution. Statistical significance will be calculated at 5% for all analyses.
This study aims to evaluate the acute and subacute effects of an inhaled N, N-Dimethyltryptamine (DMT) in patients with partial response in depression.
Fall incidents are the third cause of chronic disability in the elderly, according to the World Health Organization (WHO). Recent reviews demonstrate that multifactorial and multicomponent intervention programs are effective in preventing falls in community-dwelling older adults. However, the application of these programs may not be accessible to a large part of the elderly population. The lack of continuity in the treatment of the consequences of falls, as well as the dissemination of prevention measures for this patient profile, could be minimized through the use of information and communication technologies. Method: This will be a randomized clinical trial that aims to evaluate the effects of two fall prevention strategies via telerehabilitation for elderly fallers after admission to an emergency room. It will be carried out by a multidisciplinary team with interventions for eight weeks and monitoring of outcomes over a period of four months. Patients will be evaluated regarding aspects of functionality in the second and month after the interventions and regarding the recurrence of falls during the four-month period. Discussion: The hypothesis is that the programs are viable in terms of accessibility to home training. However, to date, there is no evidence about the differences between these forms of interventions to prevent falls via telecare.
This study explores penile squamous cell carcinoma (PSCC) in Brazil, a rare cancer associated with factors like poor hygiene and HPV infection, using next-generation sequencing to investigate its genomic profiles in 24 deceased patients with advanced PSCC.
Aldosterone excess can cause oxidative stress leading to DNA damage in vitro and in vivo. Single case reports demonstrated a coincidence of primary aldosteronism (PA) with different malignancies. A higher prevalence of thyroid nodules and non-toxic multinodular goiter was described in patients with PA compared to those with essential hypertension (EH). A single study showed an association between PA and papillary thyroid cancer (PTC), but without a paired control group. Objective: To assess PA prevalence in a transversal cohort of patients with PTC and EH compared to a paired control group with HT.
The goal of this observational study is to use the International Organization for Standardization (ISO) 24442:2011 in vivo method for assessment of the Ultraviolet A Protection Factor (UVAPF) of topical sunscreen products in healthy adults. The main question it aims to answer is to determine the degree of UVA-protection against UVA radiation. An area of each subject's skin is exposed to UVA light without any protection and another (different) area is exposed after application of the sunscreen product under test. One further area is exposed after application of a reference UVA sunscreen formulation (S2), which is used to validate the procedure.
This randomized, double-blind clinical trial aimed to evaluate the effect of an experimental gel containing copaiba oil resin in reducing postoperative tooth sensitivity caused by bleaching with 35% hydrogen peroxide. The volunteers of this study were randomized into 3 different groups - GC (placebo); GN (potassium nitrate and sodium fluoride); GCO (copaiba oil resin). The dental elements of the GCO received application of the experimental desensitizing gel on the buccal surfaces of the central incisors, lateral incisors, canines and upper and lower premolars, with a rubber cup in an active way, for 10 minutes. The GC and GN groups also received the application of a placebo gel and a nitrate potassium and sodiun fluoride gel, respectively, under the same conditions described for the experimental gel. Subsequently, all groups underwent in-office bleaching treatment with 35% hydrogen peroxide. Post-bleaching sensitivity was collected through a form composed of the visual analogue scale (VAS). Color measurement was performed at two times: baseline (Ti) and one week after the 3rd bleaching session (Tf).