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immobilization of yoked extra-ocular muscles in the anophthalmic orbit, in conjunction with platelet-rich-plasma, will improve integration of viable adipocytes injected into orbital fat
Immobilization of tissue (graft, graft bed) is a prerequisite for tissue integration. Since yoked extra-ocular muscles continue to be stimulated by movements of the seeing eye after fat injection into the anophthalmic orbit, the use of botulinum toxin(s) can be used to prevent movement of the orbital tissue bed(s) and improve anchoring of injected fat. Platelet rich plasma may also improve fat cell anchoring by the action of fibrin on the adhesion process. This innovation builds on the results of IRB protocols 10.27 and 12.01 as registered with Clinical Trials.gov
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| fat, PRP, botulinum toxin | Experimental | Fat injection with platelet-rich-plasma (PRP) after immobilizing the extraocular muscles with botulinum toxin |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| fat, PRP, botulinum toxin | Procedure | fat injection with platelet-rich-plasma (PRP) after immobilizing the extraocular muscles with botulinum toxin |
|
| Measure | Description | Time Frame |
|---|---|---|
| Orbital volume | Augmentation of orbital volume accessed with clinical photographs and non-contrast MRI | one year |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Donald M Fox, MD | New York Eye and Ear Infirmary | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| New York Eye and Ear Infirmary | New York | New York | 10003 | United States |
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| Label | URL |
|---|---|
| fat grafting | View source |
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| Type | Date | Date Unknown |
|---|---|---|
| Release | Aug 5, 2019 | |
| Reset | Aug 22, 2019 |
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| Release Date | Unrelease Date | Unrelease Date Unknown | Reset Date | MCP Release Number |
|---|---|---|---|---|
| Aug 5, 2019 | Aug 22, 2019 |
| ID | Term |
|---|---|
| D018955 | CD36 Antigens |
| D001905 | Botulinum Toxins |
| ID | Term |
|---|---|
| D010980 | Platelet Membrane Glycoproteins |
| D008562 | Membrane Glycoproteins |
| D006023 | Glycoproteins |
| D006001 | Glycoconjugates |
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|
| botulinum toxin | Drug | botulinum toxin used to immobilize extra-ocular muscles prior to fat injection. |
|
|
| PRP | Device | autologous PRP is prepared with a dedicated centrifuge at the time of fat harvesting |
|
|
| D002241 |
| Carbohydrates |
| D050612 | Fatty Acid Transport Proteins |
| D026901 | Membrane Transport Proteins |
| D002352 | Carrier Proteins |
| D011506 | Proteins |
| D000602 | Amino Acids, Peptides, and Proteins |
| D008565 | Membrane Proteins |
| D011956 | Receptors, Cell Surface |
| D011971 | Receptors, Immunologic |
| D051122 | Scavenger Receptors, Class B |
| D051116 | Receptors, Scavenger |
| D011973 | Receptors, LDL |
| D018110 | Receptors, Lipoprotein |
| D008666 | Metalloendopeptidases |
| D010450 | Endopeptidases |
| D010447 | Peptide Hydrolases |
| D006867 | Hydrolases |
| D004798 | Enzymes |
| D045762 | Enzymes and Coenzymes |
| D045726 | Metalloproteases |
| D001426 | Bacterial Proteins |
| D001427 | Bacterial Toxins |
| D014118 | Toxins, Biological |
| D001685 | Biological Factors |