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NCT ID: NCT04601792 Recruiting - Quality of Life Clinical Trials

A Series of N-of-1 Trials of Traditional Chinese Medicine Based on Bayesian Method

Start date: December 1, 2019
Phase: Phase 4
Study type: Interventional

The guiding role of parallel randomized controlled trials in clinical practice is limited due to the insufficiency of individual information. Our previous studies showed that Single case randomized controlled trials (referred to as N-of-1 trials) could reflect the individualized characteristics of traditional Chinese medicine (TCM) syndrome differentiation with good feasibility, but the sensitivity was low. This study aims to compare the efficacy of treatment based on syndrome differentiation with controlled decoctions (placebo, and the method of strengthening the body resistance and removing phlegm) among patients with stable bronchiectasis through a series of N-of-1 trials (single-patient, double-blind, randomized, multiple crossover design), with the 7 point-likert scale of the most concerned symptoms as the main outcome. Hierarchical Bayesian statistical methods and some parameters and variables will be introduced, such as TCM syndrome type, potential residue effect of TCM, etc. The sensitivity and applicability of various mathematical models (Hierarchical Bayesian, paired t-test and Meta-analysis) for N-of-1 trials of TCM will be tested, for the purpose of improving the sensitivity and applicability of N-of-1 trials of TCM both on individual and group levels.

NCT ID: NCT03147443 Recruiting - Quality of Life Clinical Trials

Evaluating the Effects of Traditional Chinese Medicine by N-of-1 Trials

Start date: March 1, 2017
Phase: Phase 4
Study type: Interventional

Treatment based on syndrome differentiation is the essence of traditional Chinese Medicine(TCM) and forms the individualized treatment. N-of-1 trials may be a good clinical effect evaluation method for the individualized treatment of TCM. This study aims to compare: (1) the efficacy of syndrome differentiation(individualized decoction) with placebo, (2)the efficacy of syndrome differentiation(individualized decoction) with the same prescription minus heat-clearing Chinese herbs, for patients with stable bronchiectasis through N-of-1 trials.

NCT ID: NCT01232140 Recruiting - COPD Clinical Trials

CRP-guided Antibiotic Treatment in COPD Exacerbations Admitted to the Hospital

CATCH
Start date: July 2011
Phase: N/A
Study type: Interventional

Rationale: Acute exacerbations are key events in chronic obstructive pulmonary disease (COPD), resulting in poorer quality of life. Causes include irritants, viruses and bacterial pathogens. These exacerbations are often treated with a combination of corticosteroids, bronchodilators and antibiotics, but the benefit of antibiotic therapy remains controversial. Several trials studying antibiotic treatment in AECOPD showed conflicting data, with several large studies failing to demonstrate superiority of antibiotic therapy over placebo. Other trials indicated that antibiotic therapy is effective in patients who have at least two of the following symptoms: increased dyspnoea, increased sputum volume and increased sputum purulence. Ever since sputum purulence has been used as a predictive marker in AECOPD, a strategy that has been integrated in the GOLD guideline for treatment of AECOPD. However, the color of sputum reported by patients is not always reliable and inspection of sputum is not always possible. Several serum biomarkers such as C-reactive protein (CRP) and procalcitonin (PCT) are now available. In a recent trial of doxycycline in addition to systemic corticosteroids for patients hospitalized with AECOPD we found that CRP might be valuable as a marker predictive of response to antibiotic treatment in AECOPD.