Juan Bi Tang (Remove Painful Obstruction Decoction from Medical Revelations)

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Indications

Western Uses:

• What is Juan Bi Tang used for in modern practice?

  In modern practice Juan Bi Tang is referenced as a traditional formula for chronic musculoskeletal joint pain — contexts where Western medicine recognizes patterns such as osteoarthritis, rheumatoid arthritis, and myofascial pain of the shoulders, back, and limbs. These biomedical correlates describe the formula’s traditional use; they are not a claim that it treats or cures any diagnosed disease.

  A small pilot study applied a Juan Bi Tang-labeled formula to myofascial pain from arteriovenous fistulas in hemodialysis patients, reporting a large average reduction in pain scores and improved quality of life over four weeks with no adverse events (PMID 37960730). Caution: the nine-herb formula used in that trial (Angelica Sinensis, Paeoniae Rubra, Astragali, Curcuma Longae, Notopterygii, Saposhnikoviae, Zingiberis Recens, Zizyphi Jujube, Glycyrrhizae Preparata) is closer to the older, qi-and-blood-tonifying Yang Shi Jia Cang Fang version than to the 11-herb Yi Xue Xin Wu composition documented here, so its results should not be read as direct evidence for this specific formula. Any use for a diagnosed condition belongs with a qualified practitioner and appropriate medical care.

  Source: PubMed 37960730 (PMC 10637424), read with the composition caveat above; reference only, not a treatment claim.

Originally Appeared In:

• Medical Revelations (Yi Xue Xin Wu)

Notes:

• How is Juan Bi Tang different from other wind-damp formulas?

  Juan Bi Tang is distinguished from lighter wind-damp formulas by its addition of blood-invigorating and warming herbs for chronic, whole-body bi with some qi-blood stagnation, and it is distinguished from the older, same-named formula by which classical text it comes from.

  • vs the Song-dynasty Juan Bi Tang (Yang Shi Jia Cang Fang): the older formula centers on Huang Qi and Fang Feng and leans further toward tonifying qi and blood for bi syndrome complicated by underlying deficiency; the Yi Xue Xin Wu version documented here is more purely dispersing and is favored by some later practitioners (e.g. Jiao Shude) for upper-body bi without significant Liver-Kidney deficiency.
  • vs Qiang Huo Sheng Shi Tang: that formula treats acute, more superficial wind-damp attacking the back and exterior (e.g. body ache with a exterior presentation) with a lighter, purely dispersing herb set; Juan Bi Tang is heavier, adds blood-invigorating and qi-moving herbs, and suits more established, deeper, whole-body bi.

  Common modification: Gui Zhi (cinnamon twig) is often substituted for Rou Gui (cinnamon bark) — Gui Zhi's lighter, more outward-moving warmth suits pain concentrated in the upper body and arms, while Rou Gui's deeper warmth suits lower-body or more stubborn cold presentations.

  Source: Sacred Lotus sources & references + Bensky & Barolet, Formulas & Strategies; formula-history detail per Yi Xue Xin Wu commentary.

Clinical Studies & Research:

• Is there modern research on Juan Bi Tang?

  Yes, but it is almost entirely preclinical — network-pharmacology, metabolic-profiling, and animal-model studies of rheumatoid arthritis, plus one small unrelated-composition clinical pilot. The most directly relevant work analyzed the same 11-herb formulation documented here.

  • Metabolic profiling + network pharmacology (preclinical): HPLC-Q-TOF profiling of the 11-herb Juan Bi Tang in collagen-induced-arthritis rats identified absorbed compounds and metabolites, with network pharmacology and molecular docking pointing to MAPK, FoxO, and Rap1 signaling pathways (PMID 34051482).
  • Systems pharmacology + animal experiments (preclinical): screening of Juan-Bi decoction identified bornyl acetate as a leading active compound, with anti-inflammatory effects shown in LPS-stimulated RAW264.7 cells and a collagen-induced arthritis mouse model (PMID 38983788).
  • Clinical pilot (different composition — see Discrepancies above): a 4-week open pilot in hemodialysis patients using a 9-herb formula labeled “Juan Bi Tang” reported reduced arteriovenous-fistula-related myofascial pain and improved quality of life, with no adverse events (PMID 37960730 / PMC 10637424); its herb list differs from the 11-herb Yi Xue Xin Wu formula covered here, so it is cited with that caveat rather than as direct trial evidence for this formula.

  Sources: PubMed 34051482; PubMed 38983788; PubMed 37960730 (PMC 10637424). Research context, not a therapeutic claim; direct clinical trial evidence for this specific 11-herb formulation remains limited.