None listed
Conditions
Brief summary
This study will investigate the safety profile and efficacy of a standardised extract of Panax ginseng with a focus on exacerbation rates in adults with moderate to very servere chronic obstructive pulmonary disease. The study is a randomised, double-blind, placebo-controlled clinical trial. The study will consist of three phases: a run in period of 4 weeks, 24 weeks of treatment and 24 weeks of follow-up.
Interventions
G115 (Ginsana SA, Boehringer Ingelheim Group company) is standardised extract of the species Panax Ginseng C. A. Meyer that contains 4% ginsenosides. G115 capsules will be provided as gel filled soft capsules for oral intake. Each capsule is 100 mg, so subjects will take 2 capsules each time, twice daily. Eligible subjects will be randomised to receive 24 weeks of treatment with ginseng extract capsules (400 mg/day), which will be supplied in 12 week packs. Subjects will attend 2 appointments during the 24 week treatment period, each visit will involve symptom assessment, collection and distribution of Participant Diaries, completion of 2 questionnaires (SGRQ and CAT), a 6MWT and lung function tests. They will receive the second pack of trial medication (12 weeks worth) and relief medication and complete a Patient Opinion of Chinese Medicine Questionnaire (mid-treatment) and Short Form 36 questionnaire (end of treatment). Blood sample will be taken at the end of treatment. There will be a followup period of 24 weeks after the treatment period.
Sponsors
Study design
Eligibility
Inclusion criteria
1. Both male and female, aged 40 to 80 (inclusive); 2. Satisfy the COPD diagnostic criteria for moderate, severe or very severe (stages II, III & IV) defined by the GOLD, FEV1/ FVC ratio < 0.7 (post-bronchodilator value) and, 20% < FEV1 <80%; 3. Are clinically stable, that is, did not experience an acute infective exacerbation of COPD from at least 4 weeks prior to trial entry and, had not been hospitalised in the past 6 months with > 3 acute exacerbations; 4. Meet the Chinese Medicine diagnostic criteria for Lung Qi deficiency with or without Spleen Qi deficiency or Kidney Qi deficiency; 5. Informed written consent for participation in the study.
Exclusion criteria
1. A reduction in FEV1 > 12% and 200mls or a 4 point or more increase from their SGRQ compared to baseline or FEV1 > 80% at visit 2. 2. Those with a history or current asthma or a history of chronic systemic infections or inflammatory conditions that required systematic corticosteroid treatment in the last 3 months; 3. Pregnancy, breast-feeding or women intending to become pregnant during the course of the study; 4. Those with serious illnesses, which make them unsuitable for the study, e.g., severe heart, liver and kidney diseases; 5. Individuals unable to adequately perform spirometry tests; 6. Those who are taking long-term immunosuppressive agents or immuno-stimulants; 7. Individuals with an allergic history to ginseng products; 8. Those currently using a ginseng-containing product or intend to use a ginseng-containing product during the study; 9. Those who are current users of monoamine oxidase inhibitor (MAOI) antidepressants, anticoagulants and anti-hyperglycaemic medications; 10. Individuals having pulmonary rehabilitation within three months of the commencement of the study, or intend to enter pulmonary rehabilitation during the study.