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Related Concept Videos

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The randomization process involves assigning study participants randomly to experimental or control groups based on their probability of being equally assigned. Randomization is meant to eliminate selection bias and balance known and unknown confounding factors so that the control group is similar to the treatment group as much as possible. A computer program and a random number generator can be used to assign participants to groups in a way that minimizes bias.
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Syndrome pattern and its application in parallel randomized controlled trials.

Byung-Cheul Shin1, Sina Kim, Young-Hun Cho

  • 1Division of Clinical Medicine, School of Korean Medicine, Pusan National University, Yangsan 626-870, Republic of Korea. drshinbc@gmail.com

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This study systematically reviewed randomized controlled trials (RCTs) on Chinese medicine's Syndrome Pattern (SP) concept. It proposes applying SP to parallel RCT design for evidence-based medicine.

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Area of Science:

  • Integrative Medicine
  • Traditional Chinese Medicine Research
  • Clinical Trial Design

Background:

  • Syndrome Pattern (SP) is central to Chinese Medicine (CM) diagnosis and treatment.
  • Systematic review of RCTs is needed to evaluate SP application in modern research.
  • Bridging traditional CM concepts with rigorous clinical research standards is essential.

Purpose of the Study:

  • To systematically review existing randomized controlled trials (RCTs) that utilize the Syndrome Pattern (SP) concept in Chinese Medicine.
  • To demonstrate the application of the SP concept in designing parallel RCTs, aligning with clinical research standards.
  • To propose research questions and RCT models for future CM trials incorporating SP.

Main Methods:

  • Conducted a systematic review of RCTs using the SP concept via PubMed search.
  • Analyzed the application of SP in the design of CM herbal medicine RCTs.
  • Formulated key considerations for SP integration into parallel RCTs, including diagnostic timing, population inclusion criteria (ICD vs. SP), and diagnostic methods.

Main Results:

  • Included fourteen RCTs in the systematic review.
  • Identified three critical aspects for designing parallel RCTs using SP: diagnosis timing, ICD/SP population criteria, and diagnostic methods.
  • Formulated three research questions and suggested five potential RCT models based on SP concepts.

Conclusions:

  • The study provides a framework for applying the Syndrome Pattern concept to parallel RCT design.
  • Future trials must address limitations of past SP studies to advance CM towards evidence-based practice.
  • Integrating SP into RCTs offers a pathway to enhance the scientific rigor and acceptance of Chinese Medicine.