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127005 trials found · Page 6179 of 6351
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Ultrasound zaps brain to alter smell perception
Knowledge-focused Not yet recruitingThis study investigates the causal effects of low-intensity transcranial focused ultrasound (tFUS) on odor valence perception and odor-elicited avoidance behaviors in healthy adults. Participants undergo sham and active tFUS targeting the amygdala (AMYG) and ventral striatal olfa…
Sponsor: Medical University of South Carolina • Aim: Knowledge-focused
Last updated Sep 09, 2026 19:00 UTC
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Rectal cancer DNA study pulled before it started
Knowledge-focused CancelledThe primary objectives of this study are to determine if the inclusion of ctDNA testing in the evaluation and management of stages 2 and 3 rectal cancers will allow clinicians to improve their selection of patients for wait and watch (WW) management and to facilitate the detectio…
Sponsor: University of Colorado, Denver • Aim: Knowledge-focused
Last updated Jun 27, 2026 13:05 UTC
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New inhaled antibody tested in humans for first time
Knowledge-focused Not yet recruitingThis study in healthy volunteers will provide a basis for evaluation of inhaled TRL1068 as a first in human study, specifically, important safety, tolerability, and pharmacokinetic data.
Phase 1 • Sponsor: Trellis Bioscience LLC • Aim: Knowledge-focused
Last updated Jun 27, 2026 13:07 UTC
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Scientists decode hidden color secret for whiter teeth
Symptom relief Not yet recruitingA prospective, non-randomized, single-arm interventional clinical study with a before-after design will be conducted to assess changes in CIELab color parameters and the Whiteness Index for Dentistry (WID) following a standardized combined dental bleaching protocol. The study aim…
Sponsor: University of Valencia • Aim: Symptom relief
Last updated Jun 27, 2026 12:29 UTC
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Breathing diagnosis tool study pulled before starting
Diagnosis CancelledThis is an observational, controlled, single-centre study to validate the Thora3Di™ against standard practice in patients who are undergoing investigation for disproportionate breathlessness. The core methodology involves capturing of data during a short period of measurement of …
Sponsor: Pneumacare Ltd • Aim: Diagnosis
Last updated Jun 27, 2026 13:05 UTC
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Study on eating timing and obesity risk canceled before it began
Knowledge-focused CancelledThe purpose of this study is to examine how the timing of eating changes 24hr profiles of lipids involved in eating for pleasure and how the body makes and uses energy (metabolism).
Sponsor: University of Chicago • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:10 UTC
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Healthy volunteers help find the best way to take osivelotor
Knowledge-focused Not yet recruitingA study to learn how different preparations of Osivelotor taste and enter the blood with food or liquids, or with an antacid in healthy adults.
Phase 1 • Sponsor: Pfizer • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:01 UTC
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Scientists zap brain to unlock secrets of smell
Knowledge-focused Not yet recruitingBackground: Little is known about how different regions of the brain responsible for the human sense of smell guide behaviors. In this study, researchers use a technique called transcranial ultrasound stimulation (TUS) to learn how odors affect the brain and behavior. Objective…
Early phase 1 • Sponsor: National Institute on Drug Abuse (NIDA) • Aim: Knowledge-focused
Last updated Sep 09, 2026 19:00 UTC
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Old HIV samples get new life in research study
Knowledge-focused By invitation onlyBackground: The HIV research program is part of the National Institute of Allergy and Infectious Diseases. The program aims to learn more about HIV. It also aims to improve the health of people with HIV and create HIV vaccines. People enrolled in prior HIV studies provided sampl…
Sponsor: National Institute of Allergy and Infectious Diseases (NIAID) • Aim: Knowledge-focused
Last updated Sep 09, 2026 19:00 UTC
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Pain research seeks volunteers for future studies
Knowledge-focused Not yet recruitingThis study is a screening evaluation for volunteers who are interested in participating in National Center for Complementary and Integrative Health (NCCIH) research studies about pain and related processes, such as emotion, mood, and decision-making. Screening may include review …
Sponsor: National Center for Complementary and Integrative Health (NCCIH) • Aim: Knowledge-focused
Last updated Sep 09, 2026 19:00 UTC
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Secret device trial raises questions
Disease control Recruiting nowThe TAVIPILOT robotic platform, developed by Caranx Medical is an advanced intraoperative robotic assistance system designed to enhance the precision of transcatheter aortic valve positioning during TAVR. The TAVIPILOT robotic platform includes the TAVIPILOT Software, Robot (when…
Sponsor: Caranx Medical • Aim: Disease control
Last updated Sep 09, 2026 19:00 UTC
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Swallowing science: new study aims to standardize how we measure dysphagia
Knowledge-focused Not yet recruitingThis study aims to directly compare and contrast swallowing pressure and impedance measurements obtained from two high-resolution manometry (HRM) systems: the Laborie LMT Pharyngeal System and the Medtronic ManoScan ESO HRM System in healthy adult volunteers. The primary objectiv…
Sponsor: University of Wisconsin, Madison • Aim: Knowledge-focused
Last updated Aug 30, 2026 00:00 UTC
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Ice hockey grip strength study aims to set new standards for players
Knowledge-focused Not yet recruitingThis study measures hand grip strength in male and female ice hockey players across different Swedish leagues to create reference (normative) values for adult players. Hand grip strength is a simple test of how strongly a person can squeeze with their hand. Although it seems bas…
Sponsor: Dalarna County Council, Sweden • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:37 UTC
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New HIV prevention drug faces drug interaction test
Knowledge-focused Not yet recruitingResearchers are studying MK-8527, a new medicine for preventing HIV-1 (human immunodeficiency virus type 1) infection and want to learn if MK-8527 can be given together with rifampin. Rifampin is commonly used to treat people with latent tuberculosis infection (LTBI). The main g…
Phase 1 • Sponsor: Merck Sharp & Dohme LLC • Aim: Knowledge-focused
Last updated Aug 05, 2026 00:00 UTC
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Prostate surgery stitch study pulled before it began
Knowledge-focused CancelledTo evaluate the impact of sustainable functional urethral reconstruction (SFUR) on early recovery of urinary continence (UC) after robot-assisted radical prostatectomy.
Sponsor: University of Chicago • Aim: Knowledge-focused
Last updated Jun 27, 2026 09:05 UTC
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How much water should you drink before a pelvic ultrasound? study aims to find out.
Knowledge-focused Not yet recruitingThe goal of this clinical trial is to compare evaluation of oral hydration protocols for the right optimal bladder filling prior to pelvic ultrasound. The main question it aims to answer is which quantity of water should patiente drink before a pelvic ultrasound. Woman particip…
Sponsor: University Hospital, Brest • Aim: Knowledge-focused
Last updated Jun 27, 2026 13:08 UTC
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Ultrasound needle guide trial pulled before it even started
Knowledge-focused CancelledThis first-in-human pilot study seeks to evaluate the feasibility and safety of using a percutaneous ultrasound device with needle guide for vascular access. Eligible participants will undergo the procedure of transcatheter arterial chemoembolization for primary or metastatic liv…
Sponsor: Johns Hopkins University • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:54 UTC
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Withdrawn study sought to help new moms with healthy meals
Knowledge-focused CancelledThe goal of this clinical trial is to better understand how different strategies, timing, and enhancements to medically tailored food delivery will address structural inequities in the food environment, empower communities to sustain behavior change, and ultimately improve postpa…
Sponsor: Johns Hopkins University • Aim: Knowledge-focused
Last updated Jun 27, 2026 07:54 UTC
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Beef protein study: does a mixed meal change digestion?
Knowledge-focused Not yet recruitingThe purpose of this study is to assess the digestion and absorption kinetics of beef consumed alone or as part in healthy adults. In a randomized, crossover design, 10 young, healthy adult males and females aged 18-35 years, will consume a meal consisting of 25 g protein from min…
Sponsor: Maastricht University Medical Center • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:24 UTC
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Kidney transplant experiment halted before it began
Knowledge-focused Not yet recruitingThis study is designed to investigate a novel approach to offer more ESRD participants the benefits associated with renal transplantation by increasing the supply of available allografts
Sponsor: Case Comprehensive Cancer Center • Aim: Knowledge-focused
Last updated Aug 08, 2026 00:03 UTC