Clinical trials: Xenotransplantation
Corneal Transplantation
Prospective Study of Deep Anterior Lamellar Keratoplasty Using Acellular Porcine Cornea
The performance of keratoplasty is hampered by the limited availability of donor cornea in many countries, especially in Asia. For this reason, attempts have been made to fabricate artificial substitutes for natural human cornea.
- Trial name
- NCT03105466
- Testing
- Deep anterior lamellar keratoplasty, Acellular Porcine Cornea, Tacrolimus eye drops
- Where
- China
- Volunteers
- 50 people
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Atrophic Anterior Maxillary Ridges
Horizontal Ridge Reconstruction of Atrophic Anterior Maxillary Ridges Using Customized Xenograft Bone Shell With 1 :1 Mixture of Autogenous and Xenograft Bone Particulate
Using customized Xenograft bone shell with mixture of autogenous and xenograft particulate in modified cortical shell technique. by 3D printed model from The CT scans segmentation by special software
- Trial name
- NCT04075942
- Testing
- Atrophic Anterior Maxillary Ridges
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Manal Ahmed Hassan Ahmed
Implant Placement in Maxillary Esthetic Zone
Evaluation of Marginal Bone Loss After Immediate Implant Placement in Maxillary Esthetic Zone With Nanobone Versus Xenograft
Immediate implant placement has a success rate from 94-100 % . After tooth extraction there is a loss in the horizontal and vertical dimension by about 3-6 mm and 1-2 mm respectively and alveolar crest resorption of about 44%…
- Trial name
- NCT03536260
- Testing
- Implant with NanoBone graft, Implant with Xenograft
- Where
- Egypt
- Volunteers
- 20 people
- Sponsor
- Cairo University
Dental Diseases
Immediate Implant With no Graft , Autogenous Graft or Xenograft.
Immediate implant placement with no graft , autogenous graft or xenograft with provisionalization.
- Trial name
- NCT03851224
- Testing
- control group, study group, study group 2
- Where
- Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Cairo University
Alveolar Cleft
Xenografts With Platelet-rich Fibrin Versus Autogenous Bone in Alveolar Cleft Grafting
this work aims to evaluate xenografts mixed with PRF versus autogenous bone graft in alveolar cleft grafting.
- Trial name
- NCT04693741
- Testing
- secondary alveolar bone graft, Harvesting of the autogenous bone graft, Preparation of PRP
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Assiut University
Leukemia
Cell Samples From Patients With Leukemia
RATIONALE: Studying samples of blood and tissue from patients with cancer in the laboratory may help doctors learn more about cancer and the development of drug resistance in patients.
- Trial name
- NCT01395628
- Testing
- in vitro sensitivity-directed chemotherapy, cell proliferation assay, fluorescence activated cell sorting
- Volunteers
- 10 people
- Sponsor
- Children's Oncology Group
Acute Lymphoblastic Leukemia, Acute Myeloid Leukemia
Collecting and Storing Tissue From Young Patients With Cancer
This laboratory study is collecting and storing tissue, blood, and bone marrow samples from young patients with cancer. Collecting and storing samples of tissue, blood, and bone marrow from patients with cancer to study in the…
- Conditions
- Acute Lymphoblastic Leukemia, Acute Myeloid Leukemia, Central Nervous System Neoplasm, Ewing Sarcoma
- Trial name
- NCT00898755
- Testing
- Cytology Specimen Collection Procedure, Laboratory Biomarker Analysis
- Where
- 68 sites in United States, Canada
- Volunteers
- 213 people
- Sponsor
- Children's Oncology Group
Childhood Cancer, Childhood Solid Tumor
PRecISion Medicine for Children With Cancer
This is a multicentre prospective study of the feasibility and clinical value of a diagnostic service for identifying therapeutic targets and recommending personalised treatment for children and adolescents with high-risk cancer.
- Conditions
- Childhood Cancer, Childhood Solid Tumor, Childhood Brain Tumor, Childhood Leukemia
- Trial name
- PRISM (NCT03336931)
- Testing
- Molecular profiling and drug testing
- Where
- 8 sites in Australia
- Volunteers
- 550 people
- Sponsor
- Sydney Children's Hospitals Network
Orthodontics
Comparative Study of Different Bone Grafts in Accelerating Tooth Movement
Objective: Periodontally accelerated osteogenic orthodontics(PAOO) will minimize treatment time. The current study will be carried to evaluate the effectiveness of different bone grafts with a modified, less invasive corticotomy…
- Trial name
- NCT02796911
- Testing
- Xenograft, Bioactive glass
- Where
- Saudi Arabia
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- King Abdulaziz University
Childhood Acute Myeloid Leukemia/Other Myeloid Malignancies
Developing and Treating a Mouse Model of Acute Myeloid Leukemia Using Tissue Samples From Younger Patients With Acute Myeloid Leukemia
These laboratory trial studies the development and treatment of a mouse model for acute myeloid leukemia (AML) using samples from younger patients with AML.
- Trial name
- NCT01576185
- Testing
- laboratory biomarker analysis, quizartinib, sorafenib tosylate
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Children's Oncology Group
Bone Loss
Evaluation of Marginal Bone Loss After Immediate Implant Placement in Esthetic Zone Without Xenograft.
Marginal bone loss in immediate implant placement in upper esthetic zone by comparing between non grafting in immediate implant placement with xenograft placement in other side.
- Trial name
- NCT03397316
- Testing
- xenograft placement .
- Where
- Egypt
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Cairo University
Tooth Extraction, Atrophy of Edentulous Alveolar Ridge
Ridge Preservation With New Class of Osteoplastic Materials
Return to normal life and shortening rehabilitation period of patients after surgical removal of teeth is important and urgent social problem.
- Trial name
- RP (NCT02155764)
- Testing
- Octacalcium phosphate, Bio-Oss, Tricalcium phosphate
- Where
- Russia
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- I.M. Sechenov First Moscow State Medical University
Burns
Pediatric Burn Treatment Using Tilapia Skin as a Xenograft for Superficial-Partial Thickness Wounds
This study aims to evaluate the efficacy of Nile tilapia skin as a xenograft for the treatment of partial-thickness burn wounds in children.
- Trial name
- NCT04391582
- Testing
- Tilapia skin, silver sulfadiazine cream 1%
- Where
- Brazil
- Volunteers
- 30 people
- Sponsor
- Nucleo De Pesquisa E Desenvolvimento De Medicamentos Da Universidade Federal Do Ceara
Sarcoma
Patient-Derived Xenograft (PDX) Modeling in Adult Patients With Metastatic or Recurrent Sarcoma
Patients with recurrent or metastatic sarcoma will be consented to develop a patient derived xenograft (PDX or TumorGraft) model of their tumor to perform drug sensitivity testing.
- Trial name
- NCT02720796
- Testing
- PDX drug sensitivity testing
- Where
- Canada
- Volunteers
- 17 people
- Sponsor
- Champions Oncology
Burns Scald
Silver Foam Dressing Superior to Porcine Xenograft in Pediatric Scalds
Prospective randomized trial where two dressings has been compared for partial thickness scald burns in children 6 months to 6 years.
- Trial name
- NCT04410497
- Testing
- Porcine xenograft (wound dressings), Silver foam (wound dressings)
- Where
- Sweden
- Volunteers
- 58 people
- Sponsor
- University Hospital, Linkoeping
Fractured Tooth
Investigate New Surgical Techniques to Improve Esthetics and Patient Satisfaction at Implant Sites
Many techniques have been proposed to prevent or rather minimize the labial bone resorption following extraction including guided bone regeneration techniques that has been attempted for many years now to preserve the alveolar…
- Trial name
- NCT04101552
- Testing
- socket shield technique with xenophobic graft particulate and without the use of graft
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Cairo University
Heart Transplantation
SCHEDULE Follow Up Visit 5-7 yr
The major aim of this extension study was to evaluate the long-term effect (i.e. 5 to 7 years) of early initiation of everolimus and early elimination of CsA compared to standard immunosuppressive regimen including CsA on primary…
- Trial name
- CRAD001ANO05 (NCT02864706)
- Testing
- Everolimus, Cyclosporine, Mycophenolate mofetil
- Where
- 6 sites in Denmark, Norway and 1 more
- Volunteers
- 95 people
- Sponsor
- Novartis Pharmaceuticals
Alveolar Bone Loss, Tooth Extraction Status Nos
Assessment of Labial Plate Thickness After Immediate Implant Placement Using Two Different Xenografts in the Esthetic Zone
This randomized clinical trial aims to evaluate labial bone plate changes following immediate implant placement in Type II extraction sockets using two different xenograft materials and de-epithelialized free gingival graft in…
- Conditions
- Alveolar Bone Loss, Tooth Extraction Status Nos, Immediate Implant Placement
- Trial name
- NCT07449806
- Testing
- Immediate Implant Placement with Medpark S1 xenograft, Immediate Implant Placement with bio-Oss xenograft
- Where
- Egypt
- Volunteers
- 26 people
- Sponsor
- Basma Gamal Mohamed Ahmed
Socket Perservation
Clinical Comparison of Xenograft With Hydrogel Versus Xenograft Alone in the Socket Preservation After Tooth Extraction: A Randomized Controlled Clinical Trial
Clinical Comparison of xenograft with hydrogel versus xenograft alone in the socket preservation After tooth extraction: A Randomized controlled Clinical Trial The ideal scaffolds used for alveolar ridge preservation are supposed…
- Trial name
- NCT06957197
- Testing
- Hydrogel with xenograft, Xenograft
- Where
- Egypt
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Cairo University
Immediate Dental Implant Placement
Effect of Theravex Tissue Care on Implant Stability
The aim of this randomized clinical trial is to evaluate the clinical and radiographic outcomes of using Bone Bioactive Liquid (Theravex) compared to Xenograft and a combination therapy (Theravex + Xenograft) during immediate…
- Trial name
- NCT07707388
- Testing
- Bone Bioactive Liquid, Bovine-derived Xenograft, Immediate Implant Placement
- Where
- Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Ain Shams University