Clinical trials: Low Dose
Genotoxicity, Cytotoxicity
Assessment of Cytotoxicity, Genotoxicity
Goal: The goal of this observational study is to evaluate the genotoxic and cytotoxic effects of OPG and CBCT on exfoliated buccal mucosal cells Main question: Does CBCT cause greater genotoxic and cytotoxic effects on buccal…
- Conditions
- Genotoxicity, Cytotoxicity, Ionizing Radiation Exposure, Dental X-Ray Exposure
- Trial name
- NCT07330401
- Where
- Malaysia
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Yaxin Wang
Healthy
Effect of Daily Low Dose Aspirin on Exhaled Inflammatory Mediators in Normal Subjects
Hypothesis: Low dose aspirin does not change exhaled inflammatory breath mediators in normal subjects.
- Trial name
- NCT00898222
- Testing
- aspirin
- Where
- United States
- Volunteers
- 4 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Breast Carcinoma
Low Dose Aspirin for the Prevention of Postpartum Related Breast Cancer
This phase II trial tests whether low-dose aspirin can affect markers of inflammation in postpartum (after childbirth) women planning to have a breast biopsy.
- Trial name
- NCT05557877
- Testing
- Biospecimen Collection, Low-Dose Aspirin, Questionnaire Administration
- Where
- 5 sites in United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Central Diabetes Insipidus
Plasma Oxytocin Changes in Response to Low-dose MDMA vs. Placebo in Patients With Arginine Vasopressin Deficiency and Healthy Controls
The investigator hypothesize that low-dose MDMA (3,4-methylenedioxymethamphetamine) will produce a sufficiently strong oxytocin stimulation in healthy controls and no relevant increase in patients.
- Trial name
- OxyMAX (NCT06789705)
- Testing
- MDMA
- Where
- Switzerland
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University Hospital, Basel, Switzerland
Muscle Relaxants
The Effect of no Muscle Relaxant Versus Reduced-dose Rocuronium on Anesthesia in Adenotonsillectomy
This study aimed to compare the effect of no muscle relaxants and reduced-dose rocuronium on the anesthetic induction and emergence with fentanyl in children undergoing adenotonsillectomy.
- Trial name
- NCT02467595
- Testing
- Rocuronium bromide 0.15 mg kg-1, Rocuronium bromide 0.3 mg kg-1, Fentanyl
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Korea University Anam Hospital
Healthy
A Study of RAY1225 at Different Injection Sites in Participants With Different Body Sizes
The purpose of this study is to compare the amount of RAY1225 that gets into the blood stream and how long it takes the body to get rid of it, when injected under the skin of the upper arm and thigh compared to the abdomen.
- Trial name
- NCT06577428
- Testing
- RAY1225
- Where
- China
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Guangdong Raynovent Biotech Co., Ltd
Infant, Premature, Erythropoietin
High-Dose Erythropoietin in Extremely Premature Infants to Prevent/Attenuate Brain Injury: A Phase II Study
The highest risk for perinatal brain injury occurs among extremely premature infants who weigh less than 1250 grams at birth. Such perinatal brain injury is currently irreversible, associated with neurodevelopmental disability…
- Conditions
- Infant, Premature, Erythropoietin, Brain Injury, Intraventricular Hemorrhage
- Trial name
- NCT00589953
- Testing
- Erythropoietin
- Where
- United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Atlantic Health System
Lung Cancer, Lung Neoplasms
Liquid Biopsy-Based Pre-Screening to Streamline LDCT Lung Cancer Screening in High-Risk Individuals
This study evaluates the feasibility and cost-effectiveness of using a blood-based liquid biopsy assay as a pre-screening tool before low-dose CT (LDCT) for lung cancer screening.
- Conditions
- Lung Cancer, Lung Neoplasms, Early Lung Cancer Detection, Cancer Screening
- Trial name
- NCT07358715
- Testing
- Liquid Biopsy (SPOT-MAS Assay), Exosome-Based Liquid Biopsy Assay, Low-Dose CT Thorax (LDCT)
- Where
- Singapore
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- National University Hospital, Singapore
Type 2 Diabetes
Pharmacodynamics, Pharmacokinetics, Safety and Tolerability of Ultra Low Doses of Dapagliflozin in Healthy Subjects
The purpose of this study is to evaluate the pharmacodynamics (PD), pharmacokinetics (PK), safety and tolerability following single oral doses of 0.001 mg to 2.5 mg dapagliflozin in healthy subjects.
- Trial name
- ULDS (NCT01135446)
- Testing
- dapagliflozin
- Where
- United States
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- AstraZeneca
Stress, Psychological
Effect of Low Doses of Vitamin C on Salivary Cortisol , Heart Rate , Blood Pressure During Group Presentation
Vitamin C (ascorbic acid) is a well-known antioxidant that is involved in anxiety, stress, depression, fatigue and mood state in humans .
- Trial name
- NCT04135378
- Testing
- ascorbic acid
- Where
- Iraq
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Kufa University
Endothelial Function
Pleiotropism of Statin Therapy in High Dose Versus Low Dose Combined With Ezetimibe
To test the hypothesis that therapy with high dose statin provides endothelial superior benefit to the same cholesterol lowering with low-dose statin combined with ezetimibe.
- Trial name
- NCT01241097
- Where
- Brazil
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Federal University of Bahia
Lung Cancer
China Lung Cancer Screening (CLUS) Study Version 3.0
CLUS version 1.0, had proven that LDCT led to a 74.1% increase in detecting early-stage lung cancer compare to usual care (NCT02898441).
- Trial name
- NCT05494021
- Testing
- Whole-process management software, LDCT detection
- Where
- China
- Volunteers
- 100,000 people, healthy volunteers welcome
- Sponsor
- Shanghai Chest Hospital
Severe Hemophilia A Without Inhibitor, Joint Bleed
Comparison of Outcomes Between Low Dose Emicizumab and Factor VIII in Clinically Severe Hemophilia A
To outcome between low dose Emicizumab and low dose prophylaxis with FVIII concentration To study pharmacokinetic, side effect of low dose Emicizumab
- Trial name
- NCT06155955
- Testing
- "Emicizumab", "HEMLIBRA®"
- Where
- Thailand
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Chulalongkorn University
Shoulder Surgery, Nerve Block
The Effects of Dexamethasone on Low Dose Interscalene Brachial Plexus Block
A standard interscalene nerve block is performed with long acting local anesthetic (bupivacaine or ropivacaine in concentrations varying from 0.25% to 0.75%).
- Trial name
- ISB-Dex (NCT02322242)
- Testing
- Systemic Dexamethasone, Perineural dexamethasone
- Where
- Canada
- Volunteers
- 182 people, healthy volunteers welcome
- Sponsor
- Dr. Stephen Choi
COPD
Effects of Low-Dose Theophylline During Chronic Obstructive Pulmonary Disease (COPD) Exacerbations
Molecular mechanisms of COPD exacerbations and the modulating effect of low dose theophylline on that inflammation are elucidated in this project.
- Trial name
- NCT00671151
- Testing
- Theophylline
- Where
- Spain
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Hospital Universitari Son Dureta
Acne Vulgaris
Combined Low-Dose Isotretenion and Long-Pulsed 1064 ND-YAG Laser in the Treatment of Acne Erythema
Acne erythema consists of telangiectasia and erythematous papules, without a comedo, which occurs as a result of inflammatory acne.
- Trial name
- NCT05622253
- Testing
- Combined Low-Dose Isotretenion and Long-Pulsed 1064 ND-YAG Laser
- Where
- Egypt
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Zagazig University
Healthy Participants
A Study to Investigate Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics With AZD0780 Following Repeated Dose Administration in Healthy Adults With Elevated LDL-C Levels
The purpose of this study is to evaluate pharmacodynamics (PD) of AZD0780 compared with placebo by assessment of low-density lipoprotein-cholesterol (LDL-C) levels following repeated oral dosing in healthy adults with elevated…
- Trial name
- NCT07423598
- Testing
- AZD0780
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- AstraZeneca
Diabetes Type 2, Diabetic Neuropathies
High vs Low Dose Vitamin D in Patients With Diabetic Peripheral Neuropathy
Aim. To assess the effect of different doses of vitamin D supplementation on peripheral neuropathy in patients with type 2 diabetes mellitus (T2DM).
- Conditions
- Diabetes Type 2, Diabetic Neuropathies, Vitamin D Deficiency
- Trial name
- NCT04377399
- Testing
- Vitamin D
- Where
- Russia
- Volunteers
- 68 people, healthy volunteers welcome
- Sponsor
- Federal State Budgetary Institution, V. A. Almazov Federal North-West Medical Research Centre, of the Ministry of Health
Hyperhomocysteinemia
Effects of Low-dose Complex B-vitamins on Homocysteine and Framingham Risk Score Among Chinese Elderly
The purpose of this study is to evaluate whether low dose complex B-vitamins (folic acid,vitamin B6 and vitamin B12) can lower the risk of developing hyperhomocysteinemia in an apparently healthy population with low folate/B12…
- Trial name
- NCT00755664
- Testing
- Low-dose complex B-vitamins
- Where
- China
- Volunteers
- 390 people, healthy volunteers welcome
- Sponsor
- Peking University
Motion Sickness
Pharmacokinetic and Efficacy Profile Intranasal Scopolamine Spray
Part 1, the pharmacokinetic (PK) phase, will expand upon the pilot study conducted at Naval Medical Research Laboratory (NAMRL) and has the goal of determining bioavailability and time to Cmax in a larger representative sample.
- Trial name
- NCT02155309
- Testing
- Scopolamine
- Where
- United States
- Volunteers
- 63 people, healthy volunteers welcome
- Sponsor
- Repurposed Therapeutics, Inc.