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Effect of RIC on 2,3-BPG in Erythrocyte (RIC-BPG)

C

Capital Medical University

Status

Unknown

Conditions

2,3-Bisphosphoglycerate

Treatments

Device: remote ischemic conditioning

Study type

Interventional

Funder types

Other

Identifiers

NCT04192578
RIC-2,3-BPG

Details and patient eligibility

About

Under hypoxia or high-altitude hypoxia ,it has been found that 2,3-bisphosphoglycerate(2,3-BPG) in erythrocyte increased and facilitated oxygen release to tissues.Remote Ischemic Conditioning(RIC) can also cause hypoxic conditions in local limbs.Thus,we hypothesize that whether RIC could also increase 2,3-BPG in erythrocyte.

Full description

RIC is induced by short-term insulting blood-flow of nonvital distant organs intermittently and has been proved to be effective in ischemic stroke and myocardial infarction(MI).The possible mechanisms of RIC protection is complicated.RIC leads to local ischemia and hypoxia and has been demonstrated to play a role in vital organs through hypoxia inducible factors(HIF) against stroke and MI.Besides HIF, hypoxia or high-altitude hypoxia could also change glycolytic process in erythrocyte through adenosine or sphingosine-1-phosphate(S1P).Accompanying with alternating glucolysis, 2,3-diphosphoglycerate(2,3-BPG) in erythrocyte increases and it also facilitating oxygen release to tissues.Thus,we hypothesize that whether RIC could also increase 2,3-BPG in erythrocyte.There are 8 arms in this trial: All arms are RIC treatment. The level of 2,3-BPG in erythrocyte will be assessed by ELISA before and after the treatment.

Enrollment

40 estimated patients

Sex

All

Ages

18 to 65 years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

  1. Age:18-65 years old
  2. Healthy adults

Exclusion criteria

  1. Individuals with various chronic diseases.
  2. Individuals with various acute diseases.
  3. Individuals who take any medicines
  4. Individuals who have taken health supplements for more than 2 weeks.
  5. individuals with BMI<18.5 or BMI≥24

Trial design

Primary purpose

Basic Science

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Single Blind

40 participants in 8 patient groups

Unilateral upper limb 60mmHg RIC
Experimental group
Description:
RIC is a physical strategy performed by an electric autocontrol device with cuffs placed on unilateral upper limb and inflated to 60 mmHg for 5-min followed by deflation for 5-min, the procedures is performed repeatedly for 5 times.
Treatment:
Device: remote ischemic conditioning
Bilateral upper limb 60mmHg RIC
Experimental group
Description:
RIC is a physical strategy performed by an electric autocontrol device with cuffs placed on bilateral upper limb and inflated to 60 mmHg for 5-min followed by deflation for 5-min, the procedures is performed repeatedly for 5 times.
Treatment:
Device: remote ischemic conditioning
Unilateral upper limb 200mmHg RIC
Experimental group
Description:
RIC is a physical strategy performed by an electric autocontrol device with cuffs placed on unilateral upper limb and inflated to 200 mmHg for 5-min followed by deflation for 5-min, the procedures is performed repeatedly for 5 times.
Treatment:
Device: remote ischemic conditioning
Bilateral upper limb 200mmHg RIC
Experimental group
Description:
RIC is a physical strategy performed by an electric autocontrol device with cuffs placed on bilateral upper limb and inflated to 200 mmHg for 5-min followed by deflation for 5-min, the procedures is performed repeatedly for 5 times.
Treatment:
Device: remote ischemic conditioning
Unilateral lower limb 60mmHg RIC
Experimental group
Description:
RIC is a physical strategy performed by an electric autocontrol device with cuffs placed on unilateral lower limb and inflated to 60 mmHg for 5-min followed by deflation for 5-min, the procedures is performed repeatedly for 5 times.
Treatment:
Device: remote ischemic conditioning
Bilateral lower limb 60mmHg RIC
Experimental group
Description:
RIC is a physical strategy performed by an electric autocontrol device with cuffs placed on bilateral lower limb and inflated to 60 mmHg for 5-min followed by deflation for 5-min, the procedures is performed repeatedly for 5 times.
Treatment:
Device: remote ischemic conditioning
Unilateral lower limb 200mmHg RIC
Experimental group
Description:
RIC is a physical strategy performed by an electric autocontrol device with cuffs placed on unilateral lower limb and inflated to 200 mmHg for 5-min followed by deflation for 5-min, the procedures is performed repeatedly for 5 times.
Treatment:
Device: remote ischemic conditioning
Bilateral lower limb 200mmHg RIC
Experimental group
Description:
RIC is a physical strategy performed by an electric autocontrol device with cuffs placed on bilateral lower limb and inflated to 200 mmHg for 5-min followed by deflation for 5-min, the procedures is performed repeatedly for 5 times.
Treatment:
Device: remote ischemic conditioning

Trial contacts and locations

0

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Central trial contact

Lin Wang; Xunming Ji, MD, PhD

Data sourced from clinicaltrials.gov

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