Clinical trials: Polytetrafluoroethylene
Hyperplasia, Chronic Renal Failure
Prevention of Vascular Access Graft Failure in Patients With Chronic Renal Failure Requiring Hemodialysis
The purpose of this study is to determine the effect of recipient vein pretreatment of edifoligide (E2F Decoy), compared to placebo, on graft/recipient vein stenosis in polytetrafluoroethylene (PTFE) vascular access grafts placed…
- Trial name
- NCT00086164
- Testing
- edifoligide (E2F Decoy)
- Where
- 21 sites in United States
- Sponsor
- Anesiva, Inc.
Post-Extraction Socket Healing, Ridge Preservation
Ridge Preservation Using Guided Regenaration, Platelet-rich Plasma and Free Gingival Grafts
The goal of this clinical trial is to learn if ridge preservation methods with dense polytetrafluoroethylene membranes, with d-PTFE membranes and platelet-rich plasma, and with free gingival grafts can reduce vertical resorption…
- Trial name
- NCT06621498
- Testing
- Ridge preservation technique, ridge preservation
- Where
- Bulgaria
- Volunteers
- 80 people
- Sponsor
- Medical University of Varna
Surface Roughness, Maintenance of Dental Implants
Comparison of the Effect of Teflon vs Non-Teflon Hand Scalers in the Maintenance of Peri-Implant Tissue
The buccal and lingual surface of the 23 participants' crowns will be randomly assigned to receive scaling and root planing with either Teflon scalers, or non-Teflon scalers after implant crown delivery.
- Conditions
- Surface Roughness, Maintenance of Dental Implants, Inflammation
- Trial name
- NCT03316937
- Testing
- Types of scalers
- Where
- Canada
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- University of Manitoba
Hernia, Hiatal
Laparoscopic Repair of Giant Hiatal Hernias With Nitinol-framed Lightweight Polytetrafluoroethylene Mesh
This study is prospective randomized trial enrolling at least 50 participants which compares efficacy and safety of two alternative methods of laparoscopic hiatal repair for giant (i.e.
- Trial name
- GIANT (NCT01780285)
- Testing
- Nitinol-framed lightweight PTFE mesh for hiatal repair, Partially absorbable lightweight mesh for hiatal repair
- Where
- Ukraine
- Volunteers
- 50 people
- Sponsor
- Odessa National Medical University
Kidney Failure, Renal Dialysis
Comparison of Bovine Carotid Artery and Expanded Polytetrafluoroethylene (ePTFE) for Permanent Hemodialysis Access
The investigators did a randomized control trial comparing bovine carotid artery grafts with ePTFE grafts for patients that need hemodialysis access.
- Trial name
- NCT01021839
- Testing
- Grafts placement
- Where
- United States
- Volunteers
- 57 people
- Sponsor
- Massachusetts General Hospital
End Stage Renal Disease, Hemolysis
Bovine Carotid Artery Biologic Graft and Expanded Polytetrafluoroethylene for Permanent Hemodialysis Access
The investigators propose a randomized study to compare bovine carotid artery (BCA) biologic grafts and expanded polytetrafluoroethylene grafts (ePTFE) for permanent hemodialysis access.
- Conditions
- End Stage Renal Disease, Hemolysis, Arteriovenous Graft
- Trial name
- NCT03300024
- Testing
- Expanded polytetrafluoroethylene Graft, Bovine Carotid Artery Graft
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Johns Hopkins University
Pustulosis of Palms and Soles
Efficacy Study of TEPSO® Socks in Improving Palmoplantar Pustulosis
The purpose of this study is to evaluate the efficacy of a special sock, manufactured using TEPSO®, compared to a normal cotton sock in the prognosis of symmetrical palmoplantar pustulosis present for at least one year.
- Trial name
- NCT01197989
- Testing
- TEPSO cloth, Standard cloth
- Where
- 3 sites in Italy
- Volunteers
- 17 people
- Sponsor
- Lenzi Egisto S.P.A.
Edentulous Alveolar Ridge
Clinical Evaluation of Polytetrafluoroethylene (PTFE, MATFILL) for the Sealing of Prosthetic Chimneys.
Dental implant supported screwed prosthetic rehabilitations are associated to several advantages, as a minimal occlusal spaced and easier hygiene and maintenance.
- Trial name
- NCT04543292
- Testing
- MATFILL (PTFE)
- Where
- Spain
- Volunteers
- 4 people
- Sponsor
- Fundación Eduardo Anitua
Nasal Synechiae, Adhesions of Nasal Cavity
Study of Mitomycin C and Nasal Splint to Treat Nasal Synechiae
This study evaluates whether Mitomycin C is an effective alternative to septal splints in the treatment of nasal synechiae.
- Conditions
- Nasal Synechiae, Adhesions of Nasal Cavity, Nasal Adhesions, Tissue Adhesions
- Trial name
- NCT00966056
- Testing
- Mitomycin C, Teflon nasal septal splint
- Where
- India
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Karnataka Institute of Medical Sciences
The Apparatus for Processing the Tubular Graft Modification Will be Designed and Evaluated., The On-site Capturing of the Endothelial (Progenitor) Cells by Peptide-mediated Selective Adhesion in Vitro and in Vivo Will Also be Elucidated.
Endothelialized ePTFE Graft by Nanobiotechnology
The replacement of autologous blood vessels by artificial grafts is urgently needed in clinical applications. Expanded polytetrafluoroethylene (ePTFE) grafts are the most clinically used artificial blood vessels because of its…
- Conditions
- The Apparatus for Processing the Tubular Graft Modification Will be Designed and Evaluated., The On-site Capturing of the Endothelial (Progenitor) Cells by Peptide-mediated Selective Adhesion in Vitro and in Vivo Will Also be Elucidated., The Patency Rate of ITRI-made Artificial Blood Vessels Will be Evaluated by the Porcine Animal Model.
- Trial name
- NCT02002104
- Where
- Taiwan
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Immediate Dental Implant Placement, Dental Implant
Influence of Acellular Dermal Matrix on Peri-implant Soft Tissue Phenotype and Marginal Bone Loss
To evaluate soft tissue augmentation using acellular dermal matrix (ADM) over immediately placed dental implants in anterior maxilla.
- Conditions
- Immediate Dental Implant Placement, Dental Implant, Acellular Dermal Matrix, Polytetrafluoroethylene
- Trial name
- ADM (NCT07573020)
- Testing
- Polytetrafluoroethylene coverage, Acellular Dermal Matrix
- Where
- Egypt
- Volunteers
- 16 people
- Sponsor
- Mansoura University