三重激動劑 Retatrutide Retatrutide × 第二型糖尿病

結論:證據支持但有警示

第二型糖尿病之療效證據強:Rosenstock 2023(Lancet, n=281, 36 週雙盲、含 placebo 與 active comparator dulaglutide, 已 WebFetch 驗證 PMID 37385280)顯示劑量依賴之強效降糖(HbA1c 最多降約 2.

C 🟠 C 薄弱證據 附警語發布 ⚠️ unknown
⚠️ 標記 ⚠️ 廠商資助研究 🇹🇼 台灣在地警示

第二型糖尿病之療效證據強:Rosenstock 2023(Lancet, n=281, 36 週雙盲、含 placebo 與 active comparator dulaglutide, 已 WebFetch 驗證 PMID 37385280)顯示劑量依賴之強效降糖(HbA1c 最多降約 2.0 個百分點)與顯著減重(最高劑量約 -16.9% @24 週),高劑量療效不劣於、且部分指標優於 dulaglutide。

療效本身可達 A,但因目前僅有單一 Phase 2 RCT 為核心同儕審查證據(Phase 3 TRANSCEND-T2D-1 僅 2026/03 topline,無出版品/PMID),且 retatrutide 仍為 INVESTIGATIONAL 未核准藥物,故獨立評等取 B(高品質但證據基礎尚淺、且不可得)。

最關鍵 caveat:retatrutide 全球皆未核准、無合法處方/消費性產品,療效強度須與『未核准、不可得』並列。

⚖️

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 0.52
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
85%
證據方向一致性高
證據層級
E7
單篇小型隨機對照試驗

各層「支持此療效」的程度

分數越低=該層越不支持
L1 Examine國際基準
0.50
L3 機轉生理合理性
0.50
L2 PubMed原始文獻
0.55
L5 臨床機構權威立場
0.55
L11 AI 複核獨立判讀
0.65
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 = 0.515
  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 + 1 個 soft dispute
  6. decide_status — 依 tier + dispute 結果決定 status

Retatrutide, a GIP, GLP-1 and glucagon receptor agonist, for people with type 2 diabetes: a randomised, double-blind, placebo and active-controlled, parallel-group, phase 2 trial conducted in the USA
PMID: 37385280 2023 RCT (phase 2, double-blind, placebo- and active-controlled, parallel-group) n = 281
結論:Dose-dependent reduction in HbA1c and body weight. At 24 weeks, HbA1c fell by approximately 1.4-2.0 percentage points across retatrutide doses vs ~0.0 for placebo and ~1.4 for dulaglutide; substantial weight loss accompanied higher doses (mean ~ -16.9% at 12 mg by 24 weeks). GI adverse events were the most common and dose-related.
🟢 高品質 效應量:HbA1c reduction up to ~2.0 percentage points and body-weight reduction up to ~16.9% at higher doses by 24 weeks
前往 PubMed

L4a US FDA
謹慎
Retatrutide is not currently approved by the FDA and is considered an investigational medication, with Eli Lilly currently evaluating its safety and efficacy in clinical trials. 來源↗
L4b EU EFSA
中性
Retatrutide is not currently approved by the FDA and is considered an investigational medication. 來源↗
L4c UK NHS
未表態
— 本適應症無對應資料
L4d TW TFDA / 衛福部
謹慎
Retatrutide is not currently approved by the FDA and is considered an investigational medication, with Eli Lilly currently evaluating its safety and efficacy in clinical trials. 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
中性
— 本適應症無對應資料
L5c Cleveland Clinic
中性
— 本適應症無對應資料
L5d Harvard Health
中性
— 本適應症無對應資料
L5e Specialty Society (condition-mapped)
中性
— 本適應症無對應資料

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

investigational, no TW market:retatrutide 為研究用未核准藥物,台灣無合法產品。糖尿病社群(PTT/Dcard/Mobile01/FB 病友社團)討論多聚焦於已核准之 GLP-1 類與 tirzepatide;對 retatrutide 之關注屬『新藥期待』性質,且涉及未經查驗登記之地下水針話題,本層不收錄、不引用具體社群心得,以免造成可取得/可購買之誤導。任何網售 retatrutide research peptide 皆屬非法來路不明藥品,糖尿病患者切勿購買自行注射替代正規治療。

破解迷思 社群最常見的 2 個誤解
迷思「retatrutide 已可在網路買到自行打針控糖減重」
事實錯誤且危險:retatrutide 為研究用未核准藥物,網售針劑屬非法來路不明藥品
迷思「打減重新針就能停掉糖尿病藥」
事實錯誤:retatrutide 未核准、不可得,且糖尿病治療須由醫師管理,勿自行停藥

  • 醫療營養治療與減重
  • 規律身體活動
  • Metformin(二甲雙胍)
PMID 100% 反查全部經 NCBI Entrez 驗證
🔬 1 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: 2026-06-02 claim_version: v1 engine_version: v1.0 claim_id: CLM-COND-type2-diabetes-INT-retatrutide-001
查看 ClaimReview 結構化資料 (JSON-LD)
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