牛磺熊去氧膽酸 TUDCA × 肝硬化

結論:證據支持但有警示

Direct human evidence for TUDCA supplements in liver cirrhosis is essentially a single small, low-quality double-blind RCT (PMID 23592128, n=18, 26 weeks) that improved surrogate liver biochemistry (ALT/AST/ALP, albumin) but showed NO significant change in serum fibrosis markers and only one patient with histological improvement; no trial has demonstrated any hard-outcome benefit (mortality, decompensation, transplant-free survival).

C 🟠 C 薄弱證據 附警語發布 🚨 high — heavy affiliate marketing in TW community
⚠️ 標記 🇹🇼 台灣在地警示

Direct human evidence for TUDCA supplements in liver cirrhosis is essentially a single small, low-quality double-blind RCT (PMID 23592128, n=18, 26 weeks) that improved surrogate liver biochemistry (ALT/AST/ALP, albumin) but showed NO significant change in serum fibrosis markers and only one patient with histological improvement; no trial has demonstrated any hard-outcome benefit (mortality, decompensation, transplant-free survival). The other TUDCA RCTs cited are in PBC (PMID 8674405) and HCV hepatitis (PMID 9840118), not established cirrhosis, and the fibrosis-regression data (PMID 40299532) are preclinical rat/cell models only. No institution endorses the consumer TUDCA supplement for cirrhosis: NIH ODS, NCCIH, Mayo Clinic, Cleveland Clinic and Harvard Health have no TUDCA content, and AASLD/EASL support only the structurally related prescription drug UDCA for PBC, which is a distinct cholestatic indication and not TUDCA-supplement-for-cirrhosis evidence. The totality is best graded C: a small amount of low-quality direct evidence exists with a positive surrogate signal, but it is far too limited, uncertain and surrogate-bound to support a stronger grade, while a hard counter-finding (no fibrosis benefit) prevents calling it merely insufficient (U).

⚖️

評分透明度

所有分數由 7 層證據引擎計算,過程公開可查
原始分數 0.48
D
C
B
A
S
← 反證據 / 無效有效 / 強證據 →
最終評級
C · 附警語發布
信心度
77%
證據方向大致一致
證據層級
E6
多篇較小型隨機對照試驗

各層「支持此療效」的程度

分數越低=該層越不支持
L2 PubMed原始文獻
0.45
L1 Examine國際基準
0.50
L3 機轉生理合理性
0.50
L5 臨床機構權威立場
0.50
L11 AI 複核獨立判讀
0.50
不支持 中性 / 混合 支持
查看完整決策路徑(audit trail)
  1. compute_raw_score — 加權公式: L2×0.30 + L3×0.25 + L5×0.25 + L11×0.10 + L1×0.10 = 0.485
  2. tier_from_score — 依分數區間映射至 tier letter
  3. apply_hec_rules — 無高階證據可裁決
  4. tier_strict_requirement_check — Tier 條件達標,未降階
  5. detect_disputes — 偵測到 0 個 hard + 0 個 soft dispute
  6. decide_status — 依 tier + dispute 結果決定 status

Efficacy and safety of tauroursodeoxycholic acid in the treatment of liver cirrhosis: a double-blind randomized controlled trial
PMID: 23592128 2013 RCT (double-blind) n = 18
結論:TUDCA significantly reduced serum ALT, AST and ALP from baseline; serum albumin rose significantly in both TUDCA and UDCA groups. Serum fibrosis markers decreased only slightly with no significant difference in either arm. Only one TUDCA patient showed significant histological improvement. Authors concluded TUDCA appeared more effective than UDCA in improving biochemistry.
🟠 品質有限 效應量:Significant within-group ALT/AST/ALP reduction; fibrosis markers NS
前往 PubMed
Tauroursodeoxycholic acid for treatment of primary biliary cirrhosis. A dose-response study
PMID: 8674405 1996 隨機對照試驗 n = 24
結論:Serum liver enzyme levels decreased significantly after the first month with all three doses. Plasma total and HDL cholesterol fell significantly at higher doses (1000-1500 mg). Diarrhea was the only adverse effect. Authors recommended ~10 mg/kg/day for future long-term studies.
🟠 品質有限 效應量:Significant liver-enzyme reduction across all doses
前往 PubMed
Tauroursodeoxycholic acid for the treatment of HCV-related chronic hepatitis: a multicenter placebo-controlled study
PMID: 9840118 1998 RCT (double-blind) n = 150
結論:TUDCA-treated patients showed a consistent and progressive decrease in aminotransferase levels versus placebo (p<0.001); authors concluded TUDCA improves the biochemical expression of chronic hepatitis. Not a cirrhosis population — included as nearest-adjacent TUDCA hepatitis evidence.
效應量:Aminotransferase reduction vs placebo, p<0.001
前往 PubMed
Tauroursodeoxycholic Acid Induces Liver Regeneration and Alleviates Fibrosis Through GATA3 Activation
PMID: 40299532 2025 Animal Study
結論:TUDCA promoted hepatocyte proliferation and liver regeneration and ameliorated CCl4-induced fibrosis in rats via GATA3 activation; blocking GATA3 abolished the effect. Animal-only evidence — does not establish a human cirrhosis benefit.
🟠 品質有限 政府資助 效應量:Mechanistic; not human
前往 PubMed

L4a US FDA
謹慎
TUDCA is a US Food and Drug Administration-approved hydrophilic bile acid for the treatment of certain cholestatic liver diseases 來源↗
L4b EU EFSA
反對
L4c UK NHS
未表態
— 本適應症無對應資料
L4d TW TFDA / 衛福部
反對
含URSO(Ursodeoxycholic acid,去氧熊膽酸)成分之單方製劑統一為醫師處方用藥,適應症統一為「膽固醇系膽結石之溶解、原發性膽道肝硬化(primary biliary cirrhosis, PBC)之肝功能改善」。 來源↗
L4e WHO
未表態
— 本適應症無對應資料

L5a NIH Office of Dietary Supplements
未表態
— 本適應症無對應資料
L5b Mayo Clinic
未表態
— 本適應症無對應資料
L5c Cleveland Clinic
未表態
— 本適應症無對應資料
L5d Harvard Health
未表態
— 本適應症無對應資料
L5e Specialty Society (condition-mapped)
未表態

PTT · Dcard · Mobile01 彙整自公開論壇討論,非統計抽樣,僅反映社群風向。
廣告 / 業配密度 極高
📍立場總覽

台灣社群(PTT FITNESS/MuscleBeach/Doctor-Info/medstudent、Dcard、Mobile01、痞客邦)幾乎沒有「牛磺熊去氧膽酸(TUDCA)用於肝硬化」的真實使用討論;肝硬化串多談西醫追蹤、肝指數、史他汀與保肝迷思,TUDCA 多出現在 iHerb/Dr.Berg/海外代購等商品頁與業配型介紹,並非鄉民實測心得。

💬社群實感

無共識(社群缺乏將 TUDCA 用於肝硬化的鄉民實測;TUDCA 在台灣以海外進口保健品形式存在,討論集中於健身族『護肝/降肝指數』取向,鮮少針對肝硬化此一臨床診斷)

L10a · 廠商行銷話術 行銷語言
💬 通路如何宣傳

TUDCA 牛磺熊去氧膽酸,500 毫克,60 粒膠囊

代表來源 ↗
L10b · TFDA 法定身份 官方認定
健康食品(小綠人)

食品未取得衛生福利部健康食品查驗登記許可證,而宣稱為「健康食品」或具健康食品之保健功效者,則依違反健康食品管理法,移送法辦。

來源 ↗

  • 戒酒
  • 限鈉飲食與利尿劑治療腹水
  • 治療潛在病因(抗病毒治療、代謝管理)
PMID 100% 反查全部經 NCBI Entrez 驗證
🔬 4 篇 L2 文獻 經多層 sub-agent 獨立評估
🇹🇼 含台灣社群分析L10c PTT / Dcard / Mobile01
aggregated_at: 2026-06-01 claim_version: v24 engine_version: v1.0 claim_id: CLM-COND-liver-cirrhosis-INT-tudca-001
查看 ClaimReview 結構化資料 (JSON-LD)
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