ClinicalTrials.gg
WithdrawnNCT07649850Updated Oct 21, 2026

Improve Muscle Weakness in Patient With COPD

An interventional study of Aerobic Exercise Combined with Blood Flow Restriction and Aerobic exercise in Emphysema or COPD, sponsored by Al-Zaytoonah University of Jordan. Withdrawn. Open to participants aged 50 Years to 70 Years. Per ClinicalTrials.gov, last updated 2026-10-21.

Sponsored by Al-Zaytoonah University of Jordan · Not applicable, Interventional, and Treatment

Why this study was withdrawn
no participant enrolled
Updated Oct 21, 2026Now WithdrawnEnrollment updatedGo to Updates ↓
Phase
Not applicable
Study type
Interventional
Enrollment
0
Allocation
Randomized
Ages
50 Years to 70 Years
Sex
All
01

Study summary

This randomized controlled trial investigated the effects of combining aerobic exercise with blood flow restriction (BFR) training in patients with emphysematous chronic obstructive pulmonary disease (COPD). The study aimed to determine whether adding BFR to aerobic exercise could enhance muscle strength and functional capacity compared with conventional training alone. The findings demonstrated that aerobic exercise combined with BFR significantly improved lower-limb muscle strength, exercise tolerance, and functional performance in patients with emphysematous COPD. These results suggest that BFR-assisted aerobic training may serve as an effective and safe rehabilitation strategy to improve physical function and quality of life in this population.

02

Conditions studied

  • Emphysema or COPD

Keywords

  • emphysematous COPD
  • lood flow restriction (BFR)
  • aerobic exercise
03

In context

Emphysema

382 studies on the registry are indexed under Emphysema; 59 are open to participants now.

Browse Emphysema studies →

Lead sponsor

Al-Zaytoonah University of Jordan is the lead sponsor of 31 studies on the registry; 6 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
50 Years to 70 Years
Sexes eligible
All
Accepts healthy volunteers
No

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.

Inclusion criteria

  • Patients diagnosed with emphysematous (COPD).
  • Clinically stable COPD patients with no acute exacerbation within the previous 4-6 weeks.
  • Mild to moderate disease severity according to GOLD criteria.
  • Ability to participate safely in aerobic exercise training.
  • Medically stable and cleared by a physician for pulmonary rehabilitation.
  • Ability to understand and follow study instructions.

Exclusion criteria

Exclusion Criteria:

  • Acute exacerbation or respiratory infection during the study period.
  • Severe cardiovascular diseases (e.g., unstable angina, uncontrolled hypertension, recent myocardial infarction).
  • Peripheral vascular disease or to blood flow restriction (BFR) training.
  • Severe musculoskeletal, neurological, or orthopedic disorders limiting exercise performance.
  • Cognitive impairment affecting cooperation or .
  • Participation in another structured rehabilitation program during the study period.
  • Severe hypoxemia requiring continuous oxygen therapy during exercise.
  • History of deep vein thrombosis or clotting disorders.
Terms in these criteria, in plain language(3)

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.

COPD

Chronic obstructive pulmonary disease: long-term lung disease that makes it hard to breathe out, including emphysema and chronic bronchitis.

Contraindication

A reason a treatment, test or procedure should not be given to a particular person, such as an allergy, another illness or a medicine they take.

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.

05

Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Triple (Participant, Investigator, Outcomes assessor)
Enrollment
0 participants (actual)

Study arms

  • Experimental
    experimental group

    aerobic exercise with blood flow restriction (BFR) training Procedure: Aerobic Exercise Training Device: Blood Flow Restriction Cuff

    Other: Aerobic Exercise Combined with Blood Flow Restriction

  • Experimental
    control group

    aerobic exercise

    Other: Aerobic exercise

Interventions

  • OtherAerobic Exercise Combined with Blood Flow Restriction

    Aerobic exercise combined with blood flow restriction (BFR) is a rehabilitation technique in which patients perform low- to moderate-intensity aerobic exercise, such as treadmill or cycling training, while a specialized cuff is applied around the proximal part of the limb to partially restrict blood flow. This method aims to enhance muscle strength and functional performance using lower exercise intensity, making it suitable for patients with limited exercise tolerance, such as individuals with COPD.

  • OtherAerobic exercise

    The control group performed conventional aerobic exercise training at low to moderate intensity without the application of blood flow restriction. The program included activities such as treadmill walking or cycling to improve cardiovascular endurance, functional capacity, and overall physical fitness in patients with COPD.

06

What researchers measure

Primary outcomes

  1. muscle strength

    quadriceps strength by isokinetic: Quadriceps strength will be measured using an isokinetic dynamometer at an angular velocity of 60°/s. Participants will perform three to five maximal concentric knee extension efforts after familiarization. Peak torque (Nm) will be recorded, and the highest value will be used for statistical analysis

    Time frame: 8 weeks

Secondary outcomes

  1. function capacity

    Functional capacity will be assessed using the 1-Minute Sit-to-Stand Test (1STS). Participants will be instructed to sit and stand from a standard chair as many times as possible within one minute without using their upper limbs for assistance. The total number of completed repetitions will be recorded, with higher scores indicating better functional capacity.

    Time frame: 8 weeks

07

Study locations

No study locations are listed for this record.

08

References and documents

Individual participant data

Plan to share: Undecided

No publications or documents are linked to this record.

09

Updates

1 registry update since Sep 25, 2026
Status
Not yet recruiting→Withdrawn no participant enrolled
changed Oct 21, 2026
Enrollment
60 (estimated)→0 (actual)
Oct 21, 2026
Show all 1 update
  1. Oct 21, 2026
    Not yet recruiting→Withdrawn
    Why stopped no participant enrolled
    Enrollment 60 (estimated)→0 (actual)
    + 2 other changes: verification date and site details

From the registry record's own update history. This site started tracking changes on Sep 25, 2026; for anything earlier, see the record history on ClinicalTrials.gov ↗

10

Registry details

Key details

Study ID
NCT07649850
Lead sponsor
Al-Zaytoonah University of Jordan
Responsible party
Hanan Hosny M Battesha (associate professor hanan hosny M Battesha, Al-Zaytoonah University of Jordan) — Principal investigator
First posted
Jun 16, 2026
Start date
Jun 10, 2026 (estimated)
Primary completion
Aug 15, 2026 (estimated)
Completion
Aug 30, 2026 (estimated)
Last update
Oct 21, 2026

Oversight

Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is withdrawn, as verified in Oct 2026. You cannot join it, but the record below documents what was studied.

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