Safety and Efficacy of Allogeneic Adipose Tissue Mesenchymal Stem Cells in Diabetic Patients With Critical Limb Ischemia

NCT ID: NCT04466007

Last Updated: 2025-04-27

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

90 participants

Study Classification

INTERVENTIONAL

Study Start Date

2021-01-11

Study Completion Date

2024-12-05

Brief Summary

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Phase II national, multicenter, double-blind, randomized, placebo-controlled, phase-3 clinical trial of 3 parallel groups.

Detailed Description

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Disease or disorder under study: Critical ischemia of the lower limbs in diabetic patients without the possibility of revascularization.

Main valuation variable: Proportion of Adverse Events related to treatment.

Conditions

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Limb Ischemia Diabetic Foot

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

TRIPLE

Participants Caregivers Investigators

Study Groups

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Control arm

0.9% physiological saline

Group Type PLACEBO_COMPARATOR

Placebos

Intervention Type DRUG

0,9% physiological saline

Low dose treatment arm

Low dose allogeneic mesenchymal stem cells derived from adipose tissue

Group Type EXPERIMENTAL

Low dose allogeneic mesenchymal stromal cells

Intervention Type DRUG

Allogeneic mesenchymal stromal cells derived from adipose tissue administered intramuscularly

High dose treatment arm

High dose allogeneic mesenchymal stem cells derived from adipose tissue

Group Type EXPERIMENTAL

High dose allogeneic mesenchymal stromal cells

Intervention Type DRUG

Allogeneic mesenchymal stromal cells derived from adipose tissue administered intramuscularly

Interventions

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High dose allogeneic mesenchymal stromal cells

Allogeneic mesenchymal stromal cells derived from adipose tissue administered intramuscularly

Intervention Type DRUG

Low dose allogeneic mesenchymal stromal cells

Allogeneic mesenchymal stromal cells derived from adipose tissue administered intramuscularly

Intervention Type DRUG

Placebos

0,9% physiological saline

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

Patients must meet ALL of the following criteria to be included in the study:

* Patients of both sexes.
* Age between 40 and 90 years.
* Severe grade vascular arteriosclerosis (category RB 4 and 5 mono or bilateral).
* Impossibility of surgical or endovascular revascularization or failure in revascularization surgery performed, at least 30 days before inclusion in the study, defining failure as direct non-arrival of vessels to the plantar arch.
* Normal biochemical parameters defined by:

* Leukocytes\> 3000 / mm3
* Neutrophils\> 1500 / mm3
* Platelets\> 100,000 / mm3
* AST / ALT \<2.5x upper limit of normal
* In patients with an ischemic ulcer, it must be stable for at least 1 week.
* Patients under conventional medical treatment for CLI.
* Women of childbearing age must obtain a negative result in a urine pregnancy test performed at the time of inclusion in the study and commit to using an effective contraceptive method during their participation in the study.
* Patients who have not participated in any other clinical trial during the 3 months prior to the inclusion visit.
* Patients who sign the informed consent.

Exclusion Criteria

Patients who present SOME of the following criteria may not be selected to participate in this study:

* CLI with tissue loss in the target member (category 6 of RB).
* Previous major amputation in the target member.
* Uncontrolled hypertension (defined as PAS\> 180 or PAD\> 110 in at least 2 determinations during the selection period).
* Patients with severe heart failure or ejection fraction less than 30%.
* Patients with a previous diagnosis of ventricular arrhythmias or unstable angina.
* Patients with septicemia.
* Patients diagnosed with deep vein thrombosis in the 3 months prior to their inclusion in the study.
* Concomitant therapy that includes hyperbaric oxygen, angiogenic agents or Cox II inhibitors.
* Contraindication to perfusion NMR.
* Proliferative retinopathy without treatment.
* Diabetic nephropathy in hemodialysis.
* Patients previously treated with cell therapy, gene therapy or growth factors in the last year.
* Concomitant disease that limits life expectancy to 1 year or that does not ensure the follow-up period.
* Patients who have suffered a stroke or myocardial infarction in the 3 months prior to the inclusion visit.
* Severe anemia (hemoglobin \<7.9g / dl) in the inclusion analysis.
* Patients with a previous diagnosis of chronic alcoholism.
* Any clinically significant anomaly detected in the Selection Period and which, in the opinion of the investigator, constitutes an impediment to the correct participation of the patient in the study or the fulfillment of the procedures established therein.
Minimum Eligible Age

40 Years

Maximum Eligible Age

90 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Clinica Universidad de Navarra, Universidad de Navarra

OTHER

Sponsor Role collaborator

Hospital Universitario La Paz

OTHER

Sponsor Role collaborator

Gregorio Marañón Hospital

OTHER

Sponsor Role collaborator

Hospital Clínico Universitario de Valladolid

OTHER

Sponsor Role collaborator

Hospital Universitario Virgen de la Arrixaca

OTHER

Sponsor Role collaborator

University of Salamanca

OTHER

Sponsor Role collaborator

Hospital General Universitario de Alicante

OTHER

Sponsor Role collaborator

Hospital Universitario La Fe

OTHER

Sponsor Role collaborator

Hospital Victoria Eugenia Cruz Roja Española

UNKNOWN

Sponsor Role collaborator

Instituto de Investigación Sanitaria de la Fundación Jiménez Díaz

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Hospital General de Alicante

Alicante, , Spain

Site Status

Hospital Gregorio Marañon

Madrid, , Spain

Site Status

Hospital Universitario Fundacion Jimenez Diaz

Madrid, , Spain

Site Status

La Paz University Hospital

Madrid, , Spain

Site Status

Hospital Clinico Universitario Virgen de la Arrixaca

Murcia, , Spain

Site Status

Clinica Universidad de Navarra

Pamplona, , Spain

Site Status

Hospital Universitario de Salamanca

Salamanca, , Spain

Site Status

Hospital Victoria Eugenia Cruz Roja Española

Seville, , Spain

Site Status

Hospital Universitario La Fe

Valencia, , Spain

Site Status

Hospital de Valladolid

Valladolid, , Spain

Site Status

Countries

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Spain

References

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Reference Type DERIVED
PMID: 37740111 (View on PubMed)

Soria-Juan B, Garcia-Arranz M, Llanos Jimenez L, Aparicio C, Gonzalez A, Mahillo Fernandez I, Riera Del Moral L, Grochowicz L, Andreu EJ, Marin P, Castellanos G, Moraleda JM, Garcia-Hernandez AM, Lozano FS, Sanchez-Guijo F, Villaron EM, Parra ML, Yanez RM, de la Cuesta Diaz A, Tejedo JR, Bedoya FJ, Martin F, Miralles M, Del Rio Sola L, Fernandez-Santos ME, Ligero JM, Morant F, Hernandez-Blasco L, Andreu E, Hmadcha A, Garcia-Olmo D, Soria B. Efficacy and safety of intramuscular administration of allogeneic adipose tissue derived and expanded mesenchymal stromal cells in diabetic patients with critical limb ischemia with no possibility of revascularization: study protocol for a randomized controlled double-blind phase II clinical trial (The NOMA Trial). Trials. 2021 Sep 6;22(1):595. doi: 10.1186/s13063-021-05430-2.

Reference Type DERIVED
PMID: 34488845 (View on PubMed)

Other Identifiers

Review additional registry numbers or institutional identifiers associated with this trial.

NOMA (No More Amputations)

Identifier Type: -

Identifier Source: org_study_id

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