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Effect of blood-flow restriction on platelet-rich plasma composition

Blood flow restriction enhanced platelet-rich plasma: a pilot

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ISRCTN
Registry ID
ISRCTN42221463
Enrollment
22
Registered
2024-04-24
Start date
2024-05-12
Completion date
Unknown
Last updated
2025-11-17

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Platelet-rich plasma changes after bilateral low-load knee extensions under blood-flow restriction in the athletic population Circulatory System

Interventions

Before the intervention, participants will have a pre-exercise peripheral vein catheterization, blood sample draw, and PRP preparation for baseline measurements. Each participant will undergo standard

Sponsors

International Society of Arthroscopy, Knee Surgery and Orthopaedic Sports Medicine
Lead Sponsor

Eligibility

Sex/Gender
Male
Age
18 Years to 40 Years

Inclusion criteria

Inclusion criteria: 1. Healthy individuals undergoing routine health screening 2. Aged between 18 and 40 years 3. No musculoskeletal conditions that would interfere with exercise

Exclusion criteria

Exclusion criteria: 1. Systemic inflammatory diseases 2. Cardiovascular risk factors 3. Any blood dyscrasia 4. Tegner Activity scale score <5 5. Under nonsteroidal anti-inflammatory drugs and aspirin treatment within 1 week before testing 6. Previously performed exercises on the testing day

Design outcomes

Primary

MeasureTime frame
IGF-1 and IL-6 plasmatic concentrations measured by immunoassay analysis at baseline, 10, 20 and 30 minutes after bilateral knee extensions under blood-flow restriction therapy

Secondary

MeasureTime frame
Platelet and leukocyte plasmatic concentrations measured with an automated cell counter at baseline, 10, 20 and 30 minutes after bilateral knee extensions under blood-flow restriction therapy

Countries

Venezuela

Contacts

Public ContactTheodorakys Marín Fermín
theodorakys.marin@ucv.ve+58 (0)4143727046

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Feb 4, 2026