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Studying microRNAs in leg tissue of people with critical limb ischemia

Looks at microRNAs in tissue from 40 people with critical limb ischemia.

Key facts

Who runs it
IRCCS Policlinico S. Donato
Where
San Donato Milanese, ItalySee the site
Trial code
Registry title
miRNAs in Critical Limb Ischemia (miRNACLI)
Status
Recruiting
People taking part
80 people, planned
Started
31 May 2016
Expected to end
31 Jan 2027
Type of study
Observational, 2 groups
Treatments tested
  • Critical limb ischemia: analysis of RNAs
  • Controls: analysis of RNAs
Record updated
5 November 2026

Who can take part

AI summary

From the trial's eligibility criteria. Machine-read from the registry text on this page, so it can be wrong. The registry text below and the trial team decide who can take part.

The trial is looking for people with critical limb ischemia (severe lack of blood flow in the leg) who are having bypass surgery or leg amputation. It also takes control patients with an abdominal aortic aneurysm having EVAR surgery, without limb ischemia.

Age
40 Years to 85 Years
Sex
All
Disease stage
Cases: critical limb ischemia, planned for popliteal exploration surgery and/or subgenual femoropopliteal bypass, or irreversible ischemia and/or gangrene planned for major leg amputation. Controls: infrarenal abdominal aortic aneurysm treated with EVAR, free from critical limb ischemia, with or without type 2 diabetes.

Main reasons for not taking part

  • Pregnant women
  • People who carry genetic diseases
  • People with cancer (malignant neoplasia)

The registry criteria, word for word

Show all 7 criteriaShow less

Who can take part

  • Cases:
  • patients affected by CLI candidates for popliteal exploration surgery and/or subgenual femoropopliteal bypass
  • Patients affected by CLI with irreversible ischemia and/or distal gangrene of the lower limb candidates for major amputation of the lower limb; Controls:
  • patients affected by infrarenal abdominal aortic aneurysm (AAA) undergoing endovascular exclusion surgery of the AAA (EVAR) who are free from CLI, affected and not affected by type 2 diabetes mellitus

Who cannot take part

  • Patients carriers of genetic diseases
  • Patients suffering from malignant neoplasia
  • Pregnant women

Check if you might fit

Answer for yourself. This is not a decision: only the study team can say whether you can take part.

  • Are you between 40 and 85 years old?

Where in Italy

  • IRCCS Policlinico San DonatoSan Donato Milanese, ItalyContact: FABIO MARTELLI, PhDTaking people

About the trial

What the trial wants to find out

For the present study, 40 patients affected by critical limb ischemia of different severity will be enrolled: patients affected by critical limb ischemia undergoing subgenual femoropopliteal bypass; patients suffering from terminal ischemia causing gangrene and therefore undergoing major amputation of the lower limb. Biopsies from the first 20 enrolled patients will be used for miRNA profiling. The total of 40 biopsies obtained from all enrolled patients will instead be used for the validation of the miRNAs identified in the profiling.

Read full original descriptionShow less

The results obtained will be compared with those obtained in 40 control patients affected by infrarenal abdominal aortic aneurysm (AAA) undergoing endovascular exclusion surgery (EVAR) of the AAA without any ischemia of the lower limbs. Also in this case the biopsies of the first 20 control patients enrolled will be used for miRNA profiling. The total of 40 biopsies obtained from all control patients will instead be used for the validation of the miRNAs identified in the profiling. A total of 80 patients (40 cases and 40 controls) will be enrolled.

The 2 groups in the trial

  • 1) Critical limb ischemia (CLI);

    1)Critical limb ischemia (CLI): * Patients suffering from CLI undergoing lower limb revascularization via subgenual femoropopliteal bypass. muscle biopsies willbe taken. * Patients suffering from terminal CLI and/or gangrene of the lower limb undergoing thigh amputation. Muscle biopsies will be taken. * Patients suffering from terminal CLI and/or gangrene of the lower limb undergoing leg amputation. Muscle biopsies will be taken.

    Treatment: Critical limb ischemia: analysis of RNAs

  • 2)Controls

    2)Controls: patients affected by infrarenal abdominal aortic aneurysm (AAA) free from CLI, affected and not affected by type 2 diabetes mellitus, undergoing endovascular exclusion surgery of the AAA (EVAR), similar by age and sex to CLI patients. Sartorius muscle biopsies will be taken.

    Treatment: Controls: analysis of RNAs

Questions to ask the study team

  1. How often do I need to come in, and for how long each time?
  2. Are travel costs paid?
  3. Can I keep my own doctor?
  4. What happens if I want to stop?

Contact the study team: see the registry record → Contacts and Locations

Print a page for my doctor

Data and sources

Registry record
Listed on ClinicalTrials.gov.
Official title
Role of microRNAs in Critical Limb Ischemia
Plain-language title
Studying microRNAs in leg tissue of people with critical limb ischemiaGenerated from the registry record. The registry title is the official one.
AI summary
From the trial's eligibility criteria. Read by machine on 14 November 2026.
Fit questions
Built from NCT06066268, who can take part
Record updated
5 November 2026