Effect of Oral Astaxanthin Formula on Pulmonary Rehabilitation in Patients With COPD

ConditionCOPD
Trial statusNot yet recruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age18-80
SponsorChina-Japan Friendship Hospital

About this trial

The goal of this clinical trial is to investigate whether an astaxanthin-based dietary supplement combined with a pulmonary rehabilitation training program could improve exercise capacity in patients with COPD. The main questions it aims to answer are:

• whether an astaxanthin-based dietary supplement combined with a pulmonary rehabilitation training program could improve 6MWD in patients with COPD.

The drug administration group will receive:

* Two capsules of astaxanthin formula supplement daily for 8 weeks. * Pulmonary rehabilitation training: a total of 8 weeks, 2-3 times a week.

The control group will receive a total of 8-week pulmonary rehabilitation training, 2-3 times a week.

The investigators will compare the drug administration group and the control group to see if the difference between the 2 groups reaches a minimal clinically important difference.

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

Patients who met the GOLD diagnostic criteria for stage II-IV COPD

Patients who met the indications for pulmonary rehabilitation training: mMRC score

3 or self-reported decline in physical function.

Disqualifiers

Hypoxemia (resting partial pressure of oxygen < 60mmHg or oxygen saturation < 88%) or patients requiring continuous oxygen therapy or with any contraindications to exercise testing (refer to the American Society of Thoracic Surgeons/American College of Chest Physicians exercise testing guidelines).

Using oral glucocorticoids

Long-term oxygen therapy

Participated in a supervised exercise program within the past 12 months

Trial design

Design model

Parallel

Treatments tested in this trial

  • Astaxanthin

    Dietary supplement

    Two capsules of astaxanthin formula supplement daily for 8 weeks.

  • Pulmonary rehabilitation training

    Behavioral

    A total of 8 weeks, 2-3 times per week. 1) Patient education: once a week, including disease explanation, chronic disease self-management awareness, and medication guidance. 2) Exercise training: 60 minutes each time, including 10 minutes of warm-up exercise, 40 minutes of aerobic exercise, and 10 minutes of stretching and relaxation (monitoring participants' working frequency, SpO2, heart rate, dyspnea score, and leg fatigue during exercise). 3) 20-min lower extremity endurance training (treadmill walking or treadmill exercise at 60% of 6MWT speed). 4) 20 minutes of lower limb strength training: squats, jump rope, straight leg raising exercises, etc.

Treatment groups

140 Participants
are divided into 2 treatment groups
Group A: Control groupPlacebo comparator 1 intervention
Group B: Interventional groupExperimental treatment 2 interventions

Trial outcomes

Primary outcomes

1

6MWD change from baseline of two groups

The minimal clinically important difference of 6-minute walking distance of two groups.

Time frame
Baseline and 8 weeks

Secondary outcomes

1

Health-related quality of life of two groups

Using the COPD Assessment Test (CAT) to assess health-related quality of life. The CAT score ranges from 0 to 40, with higher scores indicating a worse outcome (a more severe impact of COPD on a patient's life).

Time frame
Baseline and 8 weeks
2

Psychological status of two groups

Using the Hospital Anxiety and Depression Scale (HADS) to evaluate psychological status. The HADS consists of two subscales (Anxiety and Depression), each ranging from 0 to 21, for a maximum total score of 42. Higher scores indicate a worse outcome (higher levels of anxiety and depression).

Time frame
Baseline and 8 weeks
3

Degree of dyspnea of two groups

Degree of dyspnea was assessed using the Modified Medical Research Council (mMRC) dyspnea scale. The mMRC scale ranges from 0 to 4, with higher scores indicating a worse outcome (more severe breathlessness).

Time frame
Baseline and 8 weeks

Other outcomes

Locations

This trial has no locations.

Sponsors and contacts

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