Clinical trials: Retention
Labor Analgesia
Effect of Epidural Catheter Retention Depth on Labor Analgesia Performed in DPE Combined With PIEB Model
The purpose of this study is to observe the appropriate indwelling depth of epidural catheter when labor analgesia is performed in the mode of DPE combined with PIEB, and then shorten the onset time of labor analgesia and reduce…
- Trial name
- NCT06602440
- Testing
- The indwelling length of epidural catheter is 3 centimeters., The indwelling length of epidural catheter is 5 centimeters., The indwelling length of epidural catheter is 7 centimeters.
- Where
- China
- Volunteers
- 102 people, healthy volunteers welcome
- Sponsor
- General Hospital of Ningxia Medical University
Orthodontic Retainers, Tooth Mobility
Comparison Physiological Tooth Mobility and Retention Success in Patients Using Different Retainers
The purpose of this prospective clinical study is to comparatively evaluate the long-term stability of teeth, physiological tooth mobility, and effects on periodontal tissues of three different fixed lingual retainer materials…
- Trial name
- NCT07801768
- Testing
- Mobility measurement with Periotest device, Digital intraoral impression
- Where
- Turkey (Türkiye)
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Marmara University
HIV Infections
A Systems Analysis and Improvement Approach for Optimizing HIV Service Delivery in Syringe Services Programs
The goal of this clinical trial is to assess the effectiveness of an evidence-based, organizational-level implementation strategy, the Systems Analysis and Improvement Approach, in improving HIV service delivery (SAIA-SSP-HIV) in…
- Trial name
- SAIA-SSP-HIV (NCT06025435)
- Testing
- SAIA-HIV-SSP
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- University of California, San Diego
Dental Caries
Retention Rate And Caries Prevention Of Giomer Based Sealant With And Without Pre-Treatment With Bioactive Glass Air Abrasion In Young Adults
Prevention of oral diseases is preferable to treatment and is the key method of achieving cost effectiveness for oral health improvement programs.
- Trial name
- NCT06003452
- Testing
- surface treatment with Bioactive Glass Air Abrasion
- Where
- Egypt
- Volunteers
- 96 people, healthy volunteers welcome
- Sponsor
- Cairo University
Healthy
Calcium Retention as Influenced by Dietary Components That Induce an Acid Load
The impact of protein sources such as beef as part of Western diet on calcium retention remains controversial. We propose to test the hypothesis that the positive effect of high protein intake (especially from meat protein) can…
- Trial name
- NCT00620763
- Testing
- High Meat - High Potential Renal Acid Load (PRAL) diet, Low Protein - Low Potential Renal Acid Load (PRAL) diet
- Where
- United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- USDA Grand Forks Human Nutrition Research Center
Dental Caries
Effect of Chewing a Calcium Supplement Before Fluoride Rinse on Salivary Fluoride
The anticaries effect of fluoride is through the increase in fluoride presence and retention in the oral fluids, reducing dental demineralization and enhancing remineralization.
- Trial name
- NCT04620252
- Testing
- Inactive supplement, Tricalcium phosphate supplement, Calcium carbonate supplement
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- University of Michigan
Neural Dynamics of the Acquisition and Retention of Fear Learning and Active Avoidance Learning
Use Electroencephalogram to Study Neural Dynamics of Fear Conditioning and Avoidance Learning Circuit in Humans
The purpose of this study is to examine which event-related potentials (ERPs) and event-related oscillations (EROs) are associated with fear conditioning, avoidance learning, and memory recall for fear and avoidance, where are…
- Trial name
- NCT06240052
- Testing
- Conditioning and active avoidance paradigm (CAAP)
- Where
- United States
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- The University of Texas Health Science Center, Houston
Missing Teeth, Partial-edentulism
Retention and Durability of the Anterior Zirconia Wing Bridge
This study is a clinical trial to determine the retention and durability of the anterior zirconia wing bridge. The type of zirconia-wing bridge the investigators are researching in this study has two wings which generally have…
- Trial name
- NCT04378140
- Testing
- zirconia wing bridge
- Where
- United States
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Roseman University of Health Sciences
Hiv
Engaging Men Through HIV Self-Testing With Differentiated Care to Improve ART Initiation and Viral Suppression Among Men in Malawi
Men in sub-Saharan Africa who test HIV-positive continue to have poor ART initiation and retention outcomes. The proposed project will test a home-based ART intervention for men who are living with HIV compared to facility-based…
- Trial name
- NCT04858243
- Testing
- Home-Based ART, Facility-Based ART
- Where
- Malawi
- Volunteers
- 930 people, healthy volunteers welcome
- Sponsor
- University of California, Los Angeles
Implant Complication
Immediate Versus Delayed Loading of Maxillary Overdenture Implants
The purpose of the study is to evaluate the radiographic, clinical and patient-centered outcomes of implant-retained immediately-loaded maxillary complete dentures in comparison to delayed loading approach by primarily evaluating…
- Trial name
- NCT06038487
- Testing
- Immediate loading of maxillary implant overdenture, Delayed loading of maxillary implant overdenture
- Where
- 2 sites in United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Case Western Reserve University
Weight Loss, Postpartum Weight Retention
Weight Loss and Physical Fitness Following Pregnancy in Active Duty Women
Pregnancy and delivery are major stressors on the female body and contribute significantly to permanent weight gain and associated morbidity in women.
- Trial name
- PADaWL (NCT05518604)
- Testing
- Counseling with goal of modifying eating behaviors
- Where
- 2 sites in United States
- Volunteers
- 74 people, healthy volunteers welcome
- Sponsor
- Tripler Army Medical Center
Orthodontic Retention
The Effect of Full Versus Partial Coverage Thermoformed Retainers in Dual Retention With a Lower Bonded Retainer, on Periodontal, Orthodontic, and Patient-Reported Outcomes
After braces are removed, teeth may move back toward their original positions. Retainers are used to help keep teeth straight after orthodontic treatment.
- Trial name
- NCT07669129
- Testing
- Partial coverage vivera retainer, Full coverage Vivera retainer
- Where
- Malaysia
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- University of Malaya
Clinical Skills Education, Peer Support Interventions
Effect of Digital Interactive and Face-to-Face Peer Support on Medical Students' Clinical Skill Performance, Reflection Skills, and Retention of Clinical Skills
This randomized educational trial compares two peer-support approaches for teaching clinical skills to medical students. Participants are randomly assigned to one of three groups: (1) Digital interactive peer support delivered…
- Conditions
- Clinical Skills Education, Peer Support Interventions, Medical Students, Objective Structured Clinical Examination
- Trial name
- NCT07186569
- Testing
- Digital Interactive Peer Support, Face-to-Face Peer Support, Standard Training (Control)
- Where
- Turkey (Türkiye)
- Volunteers
- 98 people, healthy volunteers welcome
- Sponsor
- Çanakkale Onsekiz Mart University
Skill Performance, Knowledge
Standard Two-Day Advanced Life Support (ALS) Versus One Day Recertification Course
this study aims to compare the effectiveness of a one-day versus two-day ALS recertification course in terms of knowledge retention, practical skills performance, participant satisfaction, and confidence.
- Trial name
- NCT07358741
- Where
- Egypt
- Volunteers
- 158 people, healthy volunteers welcome
- Sponsor
- National Hepatology & Tropical Medicine Research Institute
HIV Infections, Men
Improving HIV Testing, Linkage, and Retention in Care for Men Through U=U Messaging
This study will evaluate the impact of U=U messaging and counseling on gaps in the HIV care cascade for men, including testing uptake and ART initiation (Aim 1), achieving viral suppression and retention in care (Aim 2) in two…
- Conditions
- HIV Infections, Men, Treatment Adherence
- Trial name
- NCT05602376
- Testing
- U=U testing messaging scripts, U=U adherence messaging scripts
- Where
- 2 sites in South Africa
- Volunteers
- 3,642 people, healthy volunteers welcome
- Sponsor
- Desmond Tutu HIV Foundation
Prosthesis Durability
Direct Versus Indirect Pick up of the Locator Retentive Caps:(Within-patient Study)
The purpose of this study will be to evaluate the effect of direct and indirect pick up of the locator retentive caps and compare the clinical results with those of the manufacturer retentive force.
- Trial name
- NCT05289752
- Testing
- dental implants in the mandible, locator attachment and overdenture
- Where
- Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Mansoura University
Intervention Engagement and Retention
Improving Attendance in Community Wise
Rates of alcohol and substance misuse (ASM) in low-income, predominantly African American communities are similar to the general population.
- Trial name
- NCT05934591
- Testing
- Community Wise
- Where
- United States
- Volunteers
- 166 people, healthy volunteers welcome
- Sponsor
- University of Illinois at Urbana-Champaign
Fissure Sealant Loss, Caries
Clinical Follow Up of a Fissure Sealant Placed With Different Adhesive Protocols: 2-Year Randomized Split Mouth Study
The purpose of this study was to evaluate the retention rates of a fissure sealant placed using different adhesive protocols over 24 months.Twenty-four subjects with no restoration and caries received fissure sealants…
- Trial name
- NCT02998814
- Testing
- acid-etch, self-etch adhesive, etch-and-rinse adhesive
- Where
- Turkey (Türkiye)
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Hacettepe University
Pregnant Women With Singleton Pregnancies
Harvesting Health: Advancing Nutrition and Wellness for Moms and Babies
This is a randomized controlled trial to assess whether a personalized food kit to pregnant women is feasible, improves diet quality, and enhances pregnancy and birth outcomes compared to standard prenatal care.
- Trial name
- HH (NCT07659821)
- Testing
- Food Kit
- Where
- 3 sites in United States
- Volunteers
- 800 people, healthy volunteers welcome
- Sponsor
- Texas A&M University
Other Unsatisfactory Restoration of Tooth
A Clinical Trial of an Acetal Resin Crown for Restoration of Primary Molars
Preformed stainless steel crowns have been used in Pediatric Dentistry to restore badly broken down primary teeth since 1950. They are generally considered more expedient to place than large multi-surface amalgam or composite…
- Trial name
- NCT01359475
- Testing
- Acetal crown, LD Caulk ltd, USA
- Where
- Israel
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Uri Zilberman