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NCT ID: NCT06228820 Recruiting - Clinical trials for Platelet Dysfunction Due to Drugs

Aspirin Resistance in Trinidad.

ART
Start date: January 15, 2024
Phase: Phase 2
Study type: Interventional

Aspirin's beneficial effect is mediated via the inhibition of arachidonic acid (AA) activation of platelets. It is detected by demonstrating a decrease in platelet function and/or a decrease in prostaglandin metabolites. Besides inhibiting the formation of thromboxane A2 from arachidonic acid, Aspirin has a host of platelet-independent effects that complement its platelet-inhibitory effects. The phenomenon of "Aspirin resistance" is based on the observation of clinical events in some patients taking Aspirin and/or a diminished platelet aggregation inhibitory response to Aspirin therapy. It has been suggested that many individuals taking Aspirin have become resistant to this drug. Unfortunately, laboratory assays used to monitor the efficacy of Aspirin are far from accurate, and the results are not reproducible. Multiple studies demonstrate non-compliance using repeat testing for platelet inhibition in patients with an initial inadequate response to Aspirin. When the test is repeated under the condition that the ingestion of the test Aspirin is assured, the patients' platelets are inhibited. Patients with an inadequate Aspirin response have an increased likelihood of subsequent vascular events.

NCT ID: NCT05937360 Recruiting - Clinical trials for Polycystic Ovary Syndrome

Prevalence of Polycystic Ovary Syndrome In Trinidad

Start date: January 1, 2023
Phase:
Study type: Observational

According to World Health Organization (WHO), in 2010, Polycystic Ovarian Syndrome (PCOS) affected approximately 116 million women worldwide (3.4% of the population). It has been considered one of the most common causes of female infertility and the most common endocrine disorder. The standard diagnosis for the syndrome dates back to international conferences organized by the National Institutes of Health (NIH) in 1990 and the Rotterdam European Society of Human Reproduction and Embryology/ American Society for Reproductive Medicine (ESHRE/ASRM) sponsored PCOS consensus workshop group in 2003 and 2004. Clinical manifestations of the disease may include menstrual irregularities, amenorrhea, ovulation-related infertility, polycystic ovaries, and signs of androgen excess such as acne and hirsutism. This condition may also lead to chronic diseases such as obesity, type 2 diabetes (T2D), dyslipidaemia, and cardiovascular events. Despite the increasing knowledge concerning PCOS, the global picture of the disorder is deficient in a number of geographic regions. Understanding the global prevalence will help to better assess the public health and economic implications of PCOS in Trinidad, allow for improved screening methods, help elucidate the underlying factors and foster improved understanding of the molecular mechanisms in improving the evolutionary process.

NCT ID: NCT04336137 Recruiting - Psychotic Disorders Clinical Trials

INTernational REsearch Programme on Psychosis In Diverse Settings

INTREPID II
Start date: May 1, 2018
Phase:
Study type: Observational

INTREPID II aims to investigate variability in incidence, presentation, outcome, and impact of untreated psychotic disorders in three countries - India, Nigeria, and Trinidad - through four interconnected observational studies: 1. Study 1 on Incidence, Presentation, and Risk has the objective to investigate the incidence and presentation of untreated psychotic disorders in each setting and associated risk factors. 2. Study 2 on Course and Outcome has the objective to investigate two-year course and outcome of psychotic disorders and associated factors. 3. Study 3 on Help-seeking and Impact has the objective to investigate (a) help-seeking; and (b) the impact of psychotic disorders on individuals and families, using a combination of quantitative and qualitative approaches. 4. Study 4 on Physical Health has the objective to investigate the types and prevalence of physical health problems and related biological markers.

NCT ID: NCT04001816 Recruiting - Clinical trials for Bimaxillary Proclination

A Randomized Clinical Trial to Investigate Whether Self Ligating Brackets or Conventional Brackets Are Better for Treating Bimaxillary Proclination

Start date: January 4, 2017
Phase: N/A
Study type: Interventional

The study is a single blind randomised control trial.The patients will be randomly assigned to have conventional brackets placed or self ligating brackets placed. All patients will undergo full Orthodontic records. This will include an Orthodontic assesment, study models relevant xrays (orthopantogram and a cephalomgram) and clinical photos. After records analysis, patients will be given a prophylaxis and oral hygiene instructions. Either 3m Victory Series™ Metal Braces or 3m SmartClip™ SL3 Self-Ligating Braces both bracket types will carry the MBT prescription 0.022 slot height, will be bonded using Transbond™ XT (3M Unitek, Monrovia, California, USA) composite resin according to the manufactuer's instruction. These patients will be recalled at monthly intervals for the duration of treatment time which will be 3 years. A cephalogram will be taken at the end of treatment

NCT ID: NCT02587806 Recruiting - Clinical trials for Multiple Sclerosis, Relapsing-Remitting

A Study of Autologous Bone Marrow-Derived Mononuclear Stem Cells (BM-MNC) and Liberation Therapy (When Associated With CCSVI) in Patients With RRMS

Start date: February 2015
Phase: Phase 1/Phase 2
Study type: Interventional

STUDY OBJECTIVES: Primary Objective: Assessment of treatment safety based on incidence of any treatment emergent/treatment associated adverse events prior to discharge and at 1, 3, 6 and 12 months post treatment. Secondary objective: Assessment of efficacy at baseline, prior to discharge, 1 month, 3 months, 6 months and 12 months after treatment based on the following: EDSS and 29-item Multiple Sclerosis Impact Scale (MSIS-29), MS Functional Composite (MSFC) consisting of (1) Timed 25-Foot Walk, (2) 9 Hole Peg Test, and (3) Paced Auditory Serial Addition Test and gadolinium-enhanced magnetic resonance imaging (MRI).

NCT ID: NCT02587715 Recruiting - Clinical trials for Multiple Sclerosis, Relapsing-Remitting

A Study of Allogeneic Human UC-MSC and Liberation Therapy (When Associated With CCSVI) in Patients With RRMS

Start date: February 2015
Phase: Phase 1/Phase 2
Study type: Interventional

STUDY OBJECTIVES: Primary Objective: Assessment of treatment safety based on incidence of any treatment emergent/treatment associated adverse events prior to discharge and at 1, 3, 6 and 12 months post treatment. Secondary objective: Assessment of efficacy at baseline, prior to discharge, 1 month, 3 months, 6 months and 12 months after treatment based on the following: EDSS and 29-item Multiple Sclerosis Impact Scale (MSIS-29), MS Functional Composite (MSFC) consisting of (1) Timed 25-Foot Walk, (2) 9 Hole Peg Test, and (3) Paced Auditory Serial Addition Test and gadolinium-enhanced magnetic resonance imaging (MRI)