Clinical trials: Polytetrafluoroethylene
Alveolar Bone Loss
Efficacy of Customized Zirconia Sheet vs PTFE as a Non-resorbable Barrier in Maxillary Alveolar Ridge Augmentation
The goal of this clinical trial is comparing the efficacy of custom-made zirconia sheet versus Polytetrafluoroethylene as a non-resorbable barrier in maxillary alveolar ridge augmentation.
- Trial name
- NCT06227455
- Testing
- Maxillary alveolar ridge augmentation
- Where
- Egypt
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Delta University for Science and Technology
Horizontal Alveolar Bone Defect, Guided Bone Regeneration
Guided Bone Regeneration in Lower Posterior Edentulous Arch Using Resorbable or Non Resorbable Membrane.
the purpose of this study is to compare the efficiency of non-resorbable membrane versus resorbable membrane in guided bone regeneration in atrophic posterior mandible.
- Trial name
- NCT07254494
- Testing
- guided bone regeneration using Resorbable membrane pericardium, guided bone regeneration using non resorbable ptfe membrane
- Where
- Lebanon
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Beirut Arab University
Vascular Surgical Bleeding
Safety and Efficacy Study of Fibrin Sealant Grifols as an Adjunct to Hemostasis During Peripheral Vascular Surgery
The purpose of this study is to demonstrate that the application of Fibrin Sealant Grifols provides a measurable benefit when compared to hemostasis achieved through conventional surgical technique (suture) and by standard…
- Trial name
- NCT01662856
- Testing
- Fibrin Sealant Grifols, Manual Compression
- Where
- 38 sites in United States, Hungary and 2 more
- Volunteers
- 225 people
- Sponsor
- Instituto Grifols, S.A.
Wound Closure
Comparison of Cyanoacrylate Adhesives to Sutures in the Palate After Connective Tissue Graft
Cyanoacrylate tissue adhesives have been successfully used for wound closure. The purpose of this clinical trial is to compare cyanoacrylate tissue adhesives to polytetrafluoroethylene (PTFE) sutures in the donor site of…
- Trial name
- NCT02935426
- Testing
- n-butyl cyanoacrylate and 2-octyl cyanoacrylate, 5-0 Polytetrafluoroethylene (PTFE) suture
- Where
- Canada
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- University of Manitoba
Patency, Hepatic Venous Congestion
Usability of Ringed Polytetrafluoroethylene Graft for Venous Vascular Reconstruction of Living Donor Liver Transplantation
Middle hepatic vein (MHV) reconstruction with an interposition vessel graft has been settled as a standard procedure for living donor liver transplantation (LDLT) using a right lobe graft.
- Trial name
- MHVLDLT (NCT01205802)
- Testing
- MHV reconstruction
- Where
- South Korea
- Volunteers
- 200 people
- Sponsor
- Asan Medical Center
Aphakia, Acquired
Scleral Fixation of BunnyLens With GoreTex Suture- Initial Results
This study evaluates the Visual Acuity and refraction of patients post 4-point Scleral fixation of BunnyLens (Intra Ocular Lens- IOL) with GoreTex sutures.
- Trial name
- NCT03437434
- Testing
- Visual Acuity
- Where
- Israel
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- DAVID HAUSER
Microbiology, Alveolar Ridge Preservation
Microbiome Analysis of Dental Biofilm on High-Density Polytetrafluoroethylene Membranes Used in Socket Preservation
The goal of this clinical trial is to evaluate how different types of high-density polytetrafluoroethylene (d-PTFE) membranes impact dental biofilm accumulation and composition in patients undergoing socket preservation following…
- Conditions
- Microbiology, Alveolar Ridge Preservation, Infections, Bacterial
- Trial name
- MADBioS (NCT06694844)
- Testing
- Socket preservation with M1, Socket preservation with M2
- Where
- Croatia
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Marija Čandrlić
Physical Function, Pain
Polypropylene Mesh Versus Polytetrafluoroethylene (PTFE) Mesh in Inguinal Hernia Repair
To evaluate the safety and efficacy of the Lichtenstein's hernioplasty using Infinit® PTFE Mesh, and to compare it with the traditional Lichtenstein procedure performed with polypropylene mesh.
- Conditions
- Physical Function, Pain, Hernia, Wound Infection
- Trial name
- NCT01141335
- Testing
- polypropylene mesh, Infinit® PTFE mesh (WL Gore)
- Where
- Italy
- Volunteers
- 70 people
- Sponsor
- University of Roma La Sapienza
Intermittent Claudication, Critical Limb Ischemia
Choice of Material for Above-Knee Femoro-Popliteal Bypass Prosthetic Graft (PopUp)
This trial was designed to challenge the wide held view that polytetrafluoroethylene (PTFE) performs better than Dacron for above knee femoropopliteal bypass.
- Trial name
- NCT00300690
- Testing
- 6 mm Uni-graft® (B-Braun), 6 mm Gore-Tex® (WL Gore)
- Volunteers
- 400 people
- Sponsor
- University Hospital, Gentofte, Copenhagen
Ridge Augmentation, Bone Augmentation
Reconstruction of Deficient Atrophic Ridges Using Guide Bone Regeneration Technique
patients will be informed of the nature of the research work and informed consent will be obtained then randomized in 2 groups. Mixture 1:1 autogenous and xenogenic bone covered with Polytetrafluoroethylene membrane control group…
- Trial name
- NCT06746935
- Testing
- Collagen membrane., Polytetrafluoroethylene membrane.
- Where
- Egypt
- Volunteers
- 20 people
- Sponsor
- Cairo University
Vascular Access for Hemodialysis and Inflammation
Vascular Access for Hemodialysis and Inflammation
The aim of the present study was to investigate patients free of active infection and/or thrombosis to assess if the type of vascular access (AVF, AVG, TCC), could influence: 1.
- Trial name
- NCT00850707
- Where
- Italy
- Volunteers
- 458 people, healthy volunteers welcome
- Sponsor
- IRCCS Azienda Ospedaliero-Universitaria di Bologna
Palmoplantar Psoriasis
Efficacy Study of TEPSO® Socks in Improving Palmoplantar Psoriasis
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 psoriasis present for at least one year.
- Trial name
- NCT01197976
- Testing
- TEPSO cloth, Standard cloth
- Where
- 3 sites in Italy
- Volunteers
- 20 people
- Sponsor
- Lenzi Egisto S.P.A.
Alveolar Bone Loss
Composite Plug Vs D-PTFE Membrane in Socket Preservation
The aim of the current study is to compare the effect socket sealing with flowable resin composite compared to dense polytetrafluoroethylene membrane after filling the extraction site with xenograft particles in terms of soft and…
- Trial name
- NCT06315413
- Testing
- Socket preservation using xenograft and composite plug, Socket preservation using xenograft and intentionally exposed d-PTFE
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Cairo University
Acute Coronary Syndrome
Comparison of Stent Graft, Sirolimus Stent, and Bare Metal Stent Implanted in Patients With Acute Coronary Syndrome
During the 6-month period 119 patients with acute coronary syndrome, were randomized to either stent graft group (n=40), sirolimus eluting stent group (n=39), or bare metal stent group (n=40).
- Trial name
- NCT00452517
- Testing
- Percutaneous Coronary Intervention
- Where
- Croatia
- Volunteers
- 100 people
- Sponsor
- University of Zagreb
Trigeminal Neuralgia, Microvascular Decompression
Impact of Teflon Technique on Recurrence After Microvascular Decompression for Trigeminal Neuralgia
The study aims to see if shredded Teflon placed away from the trigeminal nerve is equally effective in pain control in Trigeminal Neuralgia while minimizing the risks of pain recurrence due to granuloma formation when this…
- Conditions
- Trigeminal Neuralgia, Microvascular Decompression, Teflon
- Trial name
- NCT07046247
- Testing
- Microvascular decompression for trigeminal neuralgia
- Where
- Spain
- Volunteers
- 150 people
- Sponsor
- University of Valencia
Gastrointestinal Vascular Conditions, Arteriosclerosis
Covered Stents Versus Bare-Metal Stents
To compare the outcome of revascularisation the gastrointestinal arteries using covered stents compared to bare-metal stents in patients with CGI.
- Conditions
- Gastrointestinal Vascular Conditions, Arteriosclerosis, Lifestyle-related Condition, Stenosis
- Trial name
- NCT02428582
- Testing
- Covered stent (Atrium Type V12), Bare stent (Brand Cordis Type Palmaz Blue)
- Where
- Netherlands
- Volunteers
- 84 people
- Sponsor
- Erasmus Medical Center
Breast Cancer Stage I, Breast Cancer Stage II
Ways of Retaining the Inframammary Fold in Implant-based Breast Surgery
There is currently no consensus on the "gold standard" for Implant-based Breast reconstruction. In the United States, more than half of all breast reconstructions are performed using acellular dermal matrix (ADM).
- Conditions
- Breast Cancer Stage I, Breast Cancer Stage II, In Situ Breast Cancer
- Trial name
- NCT06931548
- Testing
- Implant-based breast reconstruction using polytetrafluoroethylene mesh, Implant-based breast reconstruction using Allogeneic dura mater graft
- Where
- Russia
- Volunteers
- 100 people
- Sponsor
- Branch Office of "Hadassah Medical Ltd"
Hemostasis in Participants Receiving Peripheral Vascular Expanded Polytetrafluoroethylene (ePTFE) Graft Prostheses
FS VH S/D 500 S-apr in Vascular Surgery
The purpose of this study was to compare safety and efficacy of FS VH S/D 500 s-apr (FS) versus manual compression in prosthetic expanded polytetrafluoroethylene (ePTFE) graft placement.
- Trial name
- NCT00892957
- Testing
- Fibrin Sealant, Vapor Heated, Solvent/Detergent-treated with 500 IU/ml thrombin and synthetic aprotinin (FS VH S/D 500 s-apr), Surgical gauze pads
- Where
- 22 sites in United States
- Volunteers
- 176 people
- Sponsor
- Baxter Healthcare Corporation
Decompensated Cirrhosis, Bleeding Varices
Early TIPS With Polytetrafluoroethylene (PTFE) Covered Stents for Acute Variceal Bleeding in Patients With Advanced Cirrhosis
The purpose of this study is to determine whether early use of transjugular intrahepatic portosystemic shunt (TIPS) with Polytetrafluoroethylene (PTFE) covered stents is able to prolong the survival in patients with advanced…
- Trial name
- NCT01370161
- Testing
- TIPS treatment, Medical treatment
- Where
- China
- Volunteers
- 132 people
- Sponsor
- Air Force Military Medical University, China
Blepharoptosis
Management of Severe Congenital Blepharoptosis
Frontalis sling surgery was carried out using Ptose-up under general anaesthesia for patients with severe congenital ptosis.
- Trial name
- NCT04214379
- Testing
- Ptosis surgery
- Where
- Egypt
- Volunteers
- 15 people
- Sponsor
- Minia University