A Phase 2 interventional study of Platelet Rich Plasma in Diabetic Foot Ulcer, Type 1 Diabetes Mellitus and Type 2 Diabetes Mellitus (T2DM), sponsored by Estar Medical dba Medical Technologies, LTD. Recruiting at 2 sites in United States. Open to participants aged 18 Years to 80 Years. Per ClinicalTrials.gov, last updated 2025-06-12.
Sponsored by Estar Medical dba Medical Technologies, LTD · Phase 2, Interventional, and Treatment
The goal of this investigational study is to evaluate the safety and clinical performance of Tropocells Autologous Platelet-rich Fibrin (PRF) for wound care for both males and females, ages 18-80 years old, with Grade 1 and 2, mild to moderate, neuroischemic diabetic chronic foot ulcers in subjects with Type 1 and Type 2 Diabetes Mellitus. The main question[s] it aims to answer [is/are]:
Measure 1: Wound Closure with Tropocells Autologous PRF System for DFU Measure 2: Safety of Tropocells Autologous PRF System for DFU Researchers will enroll to acquire approximately 30 evaluable subjects with no comparison group.
Run-In Phase (2 weeks): participants with chronic diabetic foot wounds will undergo a 2-week run in phase presenting to the clinic for weekly visits, for standard of care.
Active Treatment Phase (12 weeks): participants that do not show a reduction of at least 20% may be qualified to advance to the active treatment phase where wounds will be evaluated and treated weekly in the research clinic to receive standard of care with Tropocells Autologous PRF System.
Follow-up Phase (1 month and 3 months): participants with wounds that losed during the Active Treatment Phase ( 100% wound closure with two weekly assessments demonstrating persistent closure) will be advanced to the follow-up phase to show if the wound remains closed at 1 month and 3 months.
Run-In Phase (2 weeks): participants with chronic diabetic foot wounds will undergo a 2-week run in phase presenting to the clinic for weekly visits, where they will receive standard of care Including-
Active Treatment Phase (12 weeks): participants that do not show a reduction of at least 20% may be qualified to advance to the active treatment phase where wounds will be evaluated and treated weekly in the research clinic. In addition to standard of care, Tropocells Autologous PRF Systems gel clot will be placed on the wound bed after cleansing and debridement prior to wound dressing and off-loading.
Data will be captured for:
Primary Outcome- Clinical Performance with complete wound closure, and Secondary Outcome(s)-
Measures of Clinical Performance including,
Follow-up Phase (1 month and 3 months): participants that have 100% wound closure with two weekly assessments demonstrating persistent closure, will be advanced to the follow-up phase, where they will be assessed at 1 month and 3 months with photos and measurements to show if they remain closed.
1,077 studies on the registry are indexed under Diabetic Foot; 222 are open to participants now.
This study's planned enrollment of 30 is below the median of 60 across 847 interventional studies indexed under Diabetic Foot.
Browse Diabetic Foot studies →Estar Medical dba Medical Technologies, LTD is the lead sponsor of 2 studies on the registry; 2 are open to participants now.
Counted across the registry records on this site, refreshed daily.
Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.
Exclusion Criteria:
Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Blood cells that help blood clot. Too few raises the risk of bleeding and bruising. A usual adult range is about 150–400 × 10⁹/L (150,000–400,000 per µL); each lab has its own reference range.
The protein in red blood cells that carries oxygen. A low level is anaemia, which can cause tiredness and breathlessness. Measured in g/dL or g/L (9 g/dL is 90 g/L).
A blood test of average blood sugar over the past two to three months, given as a percentage or in mmol/mol. 6.5% (48 mmol/mol) or more is the usual threshold for diabetes, normally confirmed by a second test.
GFR (glomerular filtration rate) is how much blood the kidneys filter each minute. It is usually estimated from a blood test — eGFR, by formulas such as CKD-EPI or MDRD — and some studies ask for it to be measured directly instead. Usually given in mL/min/1.73 m².
Check the method, the units and the minimum the study states. A value of 90 or above is in the normal-or-high range, but kidney damage can show in other tests too.
Blood tests of how long blood takes to clot. The INR is the prothrombin time (PT) put on a common scale; about 1 is usual for someone not taking a blood thinner.
Criteria often make an exception for people on a blood thinner such as warfarin, whose INR is raised on purpose.
Able to become pregnant: from the first period until menopause, unless permanently unable to through surgery (removal of the womb, or of both ovaries or both fallopian tubes).
Criteria for people of childbearing potential usually ask for a negative pregnancy test and for contraception during the study and for a time after it.
Ways of preventing pregnancy. “Highly effective” methods fail less than 1% of the time a year when used correctly — for example an IUD or an implant.
Criteria usually say which methods count and how long to keep using them after the last dose, sometimes for male participants too. Some studies accept a partner’s vasectomy if it was confirmed successful and that person is the participant’s only sexual partner.
Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.
You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.
The study doctor’s estimate of how long someone is likely to live. Criteria use it so that people can stay in the study long enough for it to answer its question.
A drug or device being studied in a clinical trial.
It may be new, or already approved and being studied for another use, dose or form. Criteria often leave out people who took part in another study of one within a recent period, commonly 30 days or five half-lives.
The human immunodeficiency virus, which weakens the immune system.
Many studies now accept people whose HIV is controlled on treatment, judged by the viral load and the CD4 count. Check the limits this study sets.
Anti-inflammatory medicines such as prednisone, prednisolone and dexamethasone — not the anabolic steroids used for muscle.
Studies differ in what they allow: check which steroid medicines, routes (tablets, injections, creams, inhalers, eye drops) and doses this study accepts.
Chronic obstructive pulmonary disease: long-term lung disease that makes it hard to breathe out, including emphysema and chronic bronchitis.
A weakened immune system. It can come from an illness, such as HIV or some blood cancers, or from medicines that turn the immune system down, for example after an organ transplant or for an autoimmune disease; steroids at higher doses count.
Read whether the line is about a condition or about medicines, and which medicines and doses it means.
A condition in which the immune system attacks the body’s own tissues, such as rheumatoid arthritis, lupus, psoriasis, type 1 diabetes or inflammatory bowel disease.
Immunotherapy studies often leave out active autoimmune disease, and some name exceptions, such as thyroid disease on replacement hormone. Check the exceptions this study lists.
Platelets
Blood cells that help blood clot. Too few raises the risk of bleeding and bruising. A usual adult range is about 150–400 × 10⁹/L (150,000–400,000 per µL); each lab has its own reference range.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Hemoglobin (Hb)
The protein in red blood cells that carries oxygen. A low level is anaemia, which can cause tiredness and breathlessness. Measured in g/dL or g/L (9 g/dL is 90 g/L).
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
HbA1c
A blood test of average blood sugar over the past two to three months, given as a percentage or in mmol/mol. 6.5% (48 mmol/mol) or more is the usual threshold for diabetes, normally confirmed by a second test.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
GFR and eGFR (kidney filtering)
GFR (glomerular filtration rate) is how much blood the kidneys filter each minute. It is usually estimated from a blood test — eGFR, by formulas such as CKD-EPI or MDRD — and some studies ask for it to be measured directly instead. Usually given in mL/min/1.73 m².
Check the method, the units and the minimum the study states. A value of 90 or above is in the normal-or-high range, but kidney damage can show in other tests too.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
INR, PT and aPTT (clotting tests)
Blood tests of how long blood takes to clot. The INR is the prothrombin time (PT) put on a common scale; about 1 is usual for someone not taking a blood thinner.
Criteria often make an exception for people on a blood thinner such as warfarin, whose INR is raised on purpose.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Childbearing potential
Able to become pregnant: from the first period until menopause, unless permanently unable to through surgery (removal of the womb, or of both ovaries or both fallopian tubes).
Criteria for people of childbearing potential usually ask for a negative pregnancy test and for contraception during the study and for a time after it.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Contraception
Ways of preventing pregnancy. “Highly effective” methods fail less than 1% of the time a year when used correctly — for example an IUD or an implant.
Criteria usually say which methods count and how long to keep using them after the last dose, sometimes for male participants too. Some studies accept a partner’s vasectomy if it was confirmed successful and that person is the participant’s only sexual partner.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Informed consent
Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.
You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Life expectancy
The study doctor’s estimate of how long someone is likely to live. Criteria use it so that people can stay in the study long enough for it to answer its question.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Investigational drug or device
A drug or device being studied in a clinical trial.
It may be new, or already approved and being studied for another use, dose or form. Criteria often leave out people who took part in another study of one within a recent period, commonly 30 days or five half-lives.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
HIV
The human immunodeficiency virus, which weakens the immune system.
Many studies now accept people whose HIV is controlled on treatment, judged by the viral load and the CD4 count. Check the limits this study sets.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Corticosteroids (steroids)
Anti-inflammatory medicines such as prednisone, prednisolone and dexamethasone — not the anabolic steroids used for muscle.
Studies differ in what they allow: check which steroid medicines, routes (tablets, injections, creams, inhalers, eye drops) and doses this study accepts.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
COPD
Chronic obstructive pulmonary disease: long-term lung disease that makes it hard to breathe out, including emphysema and chronic bronchitis.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Immunosuppression
A weakened immune system. It can come from an illness, such as HIV or some blood cancers, or from medicines that turn the immune system down, for example after an organ transplant or for an autoimmune disease; steroids at higher doses count.
Read whether the line is about a condition or about medicines, and which medicines and doses it means.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
Autoimmune disease
A condition in which the immune system attacks the body’s own tissues, such as rheumatoid arthritis, lupus, psoriasis, type 1 diabetes or inflammatory bowel disease.
Immunotherapy studies often leave out active autoimmune disease, and some name exceptions, such as thyroid disease on replacement hormone. Check the exceptions this study lists.
Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.
During Screen-the participant will be treated with standard of care (SOC) for 2 weeks, including education, nutritional supplement, weekly wound assessments and care with off-loading. After the two weekly visits, subjects who meet the inclusion/exclusion criterion, show adequate perfusion and area reduction less than 20%, and comply with the standard of care will be enrolled in the Active Treatment Phase. During the Active Treatment Phase, subjects will be treated weekly with TropoCells® Autologous Platelet-rich Fibrin (PRF) for twelve (12) weeks and continued SOC. Wound area will be documented with measures and photographs before and after cleansing and debridement (as needed). Clean wounds treated topically with active therapy will be covered with a non-adherent layered absorbent foam dressing with an external protective third layer. Mild compression will be applied with continued off-loading at least 2 week after closure. Follow-up evaluation after closure at 1 and 3 months.
Device: Platelet Rich Plasma
Tropocells(R) Autologous Platelet-Rich Fibrin
Complete wound closure
* An independent validation will be performed by an independent wound care specialist who will determine if the wound is fully closed, demonstrating 100% re-epithelialization persisting for two (2) subsequent weekly assessments. The validation will be reviewed with the treating researcher and the PI to formalize the results reported to the biostatistician for analysis. The biostatistician will perform and report the following analysis. * Number of subjects achieving complete epithelialization at 12 weeks in the Intent to Treat (ITT) population. * Number of subjects achieving complete epithelialization at 12 weeks in the Per Protocol (PP) population.
Time frame: 12 weeks of active therapy weekly applications
Safety- Adverse Events, Serious Adverse Events, Deviations, Violations
The biostatistician will measure and report: 1. Adverse Events (AE), including any untoward or unfavorable medical occurrence in a human study participant, including any abnormal sign (e.g. abnormal physical exam or laboratory finding), symptom, or disease, temporally associated with a participant's involvement in the research, whether or not considered related to participation in the research, and 2. Serious Adverse Events (SAE), including any adverse event that: i) results in death, ii) is life-threatening, or places the participant at immediate risk of death from the event as it occurred, iii) requires or prolongs hospitalization, iv) causes persistent or significant disability or incapacity,and/o v) results in congenital anomalies or birth defects vi) Is another condition which in the investigator's judge to represent significant hazards, and 3) Unanticipated Problem (UP): Defined by DHHS 45 CFR part 46 as any incident, experience, or outcome that meets the criteria.
Time frame: Screening Phase- 2 weeks and Active Treatment Phase- 12 weeks
Percentage Area Reduction (PAR)
percent wound closure compared to baseline (beginning Active Treatment Phase) to complete wound closure performing assessments every two weeks during the Active Treatment Phase (weeks: 2, 4, 6, 8, 10, and 12).
Time frame: 12 weeks
Time to Wound Closure
Active Phase week (0) will be compared to the week of closure. All weeks will be followed for 2 weekly visits after closure. Closure noted at the last Active Phase visit will be followed for 2 additional weeks to ensure proper documentation of closure.
Time frame: 12 weeks
Plan to share: Yes — Individual patient data (IPD) will be shared with the organizations used to analyze the data (Strategic Solutions, Inc) and to present the data to the FDA/CBER for the 510K Submission.
Supporting information: Study protocol, Statistical analysis plan, Informed consent form, Clinical study report, Analytic code
Time frame: Anticipated 510K submission- Jul2026 Duration while 510K is under consideration- 90 days
Access criteria: The clinical research organization, Global Clinical Research Institute-GCRI), and biostatistician (Strategic Solutions, Inc.), regulatory consultant, Biologics Consulting Group-BCG,and the WCG IRB will be able to access the data in deidentified format and potentially as individual patient data (IPD) during trial conduct or in preparation for the 510K submission. If the FDA clears the device, we may publish the results to share with the medical community; however, only deidentified case studies and/or analyzed data will be used. IPD may also be shared with other researchers in a registry once the device has been cleared.
Data sharing details ↗ · www.wcgclinical.com
Started Apr 2025 (actual). Primary completion is estimated for May 2026, 13 months after the start.
Of 31 phase 2 interventional studies under Diabetic Foot, half reached primary completion within 33 months of starting (the median), counting those still running; a quarter within 19 and three quarters within 47. This study's planned 13 months is below that.
How these figures are worked out, and which studies are left out of them.
Eligibility is decided by the study team. Share this record with your doctor or contact the team directly.
Contact study teamGet an email when the registry record changes — status, dates, results — or when someone posts here.
Sign in to followQuestions and observations about this study, from anyone following it. Not medical advice, and not a channel to the study team — their contact details are on the registry record.
Sign in to join the discussion. Reading takes no account; posting does. You choose a display name, and a pseudonym is the default.
Nothing here yet. If you are running this trial, taking part in it, or weighing whether to, this is the place to say so.
Estar Medical dba Medical Technologies, LTD