SGLT2抑制剂与Fournier坏疽(会阴部坏死性筋膜炎)相关:美国食品药品监督管理局(FDA)在六年内发现了55例,而所有其他糖尿病药物在35年内仅有19例。
原始表述
وأن FDA رصدت 55 حالة غرغرينا فورنييه مع مثبطات SGLT-2 خلال ست سنوات مقابل 19 حالة فقط مع كل أدوية السكري الأخرى مجتمعة على مدى 35 عاماً.
按来源为原话. 译文由本项目提供;以阿拉伯语原文为准。
译文
SGLT2抑制剂与Fournier坏疽(会阴部坏死性筋膜炎)相关:美国食品药品监督管理局(FDA)在六年内发现了55例,而所有其他糖尿病药物在35年内仅有19例。
出处
- 来源状态
- 档案网站编辑
- 归属
- Archive editors (not Elawady)
- 出处
- https://eltayebat.com/rule/oral-diabetes-drugs/
- 归属的不确定性
- Editorial narrative and study selection written by the archive operators.
- 所声称的机制
Glucose in urine promotes genital infections.
- 所声称的健康影响
Fournier gangrene
- 涉及人群
SGLT2 inhibitor users
- Elawady 设定的地域限制
none found
科学评估
可能正确 – 有一些证据支持该说法,但不足以得出明确判断。
证据确定性: 低 – 进一步研究很可能大幅改变该评估。
1. 说法是什么?
SGLT2 inhibitors cause Fournier gangrene.
2. 哪些内容可证实是正确的?
FDA: 55 cases with SGLT2 inhibitors (2013-2019) vs 19 with other agents (1984-2019); 3 deaths (A-ODD-12). Genital mycotic infections are a well-established, usually mild side effect (I-ODD-02). ADA 2026 lists Fournier gangrene as a rare adverse effect (I-ODD-16).
3. 哪些内容是错误或夸大的?
The comparison of report counts over different periods is not a risk comparison: the authors list 'inability to establish causality or incidence', underreporting and confounding (A-ODD-12). The 84-RCT meta-analysis found MH-OR 0.41 (0.09-1.82) (I-ODD-12).
4. 哪些内容仍不明确?
True incidence; probably very rare.
5. 哪些研究支持该说法?
6. 哪些研究与该说法相矛盾?
7. 对德国和欧洲而言情况如何?
EMA added a Fournier warning to SGLT2 inhibitor labels (not separately fetched; verified: false).
8. 关于埃及的已知情况是什么?
Egypt has one of the highest diabetes prevalences in the region; the same drug classes and insulins are used. Access barriers and cost may make advice to stop medication attractive, which increases the practical risk of this claim. No Egypt-specific evidence changes the assessment.
9. 合理的实际结论是什么?
使用SGLT2抑制剂期间,如生殖器/会阴部位出现疼痛、肿胀或发红并伴有发热,需要立即就医。这种风险很罕见,必须与其对心脏和肾脏的获益相权衡。
评估详情
- 证据确定性的依据
Numbers correctly quoted from an FDA spontaneous-report case series, which cannot establish incidence or causality (authors' own limitation). A meta-analysis of 84 RCTs found no significant difference, but events were too few to exclude an increase. Labels carry a warning.
- 来源质量
Archive editorial citing a pharmacovigilance case series.
- 地区可推广性
Universal.
- 说法的地域范围
- 普遍性(生物学/医学)
- 最近审核
- 2026年10月26日 初步
科学证据详解
过度解读 – 确有真实的发现,但该说法从中引申出的结论超出了数据所能支持的范围(例如把关联当作因果、把动物数据套用到人身上、把小效应说成大效应)。
研究问题: Are SGLT2 inhibitors associated with Fournier gangrene, and do the FDA case counts (55 in six years vs 19 in 35 years) indicate a higher risk?
研究问题详解 (PECO)
- 人群
- Users of glucose-lowering drugs
- 干预或暴露
- SGLT2 inhibitors
- 对照
- Other glucose-lowering drugs (DPP-4 inhibitors)
- 地域范围
- universal biology
- 结局指标
- Fournier gangrene (hospitalisation)
研究结果按作者报告呈现。我们的评估见下文。
哪些证据支持该说法?
Fournier gangrene reports with SGLT2 drugs
Bersoff-Matcha SJ et al.. Ann Intern Med 2019 · PMID 31060053 · DOI 10.7326/M19-0085 病例系列 / 病例报告已核查摘要FDA spontaneous reports.
- 实际结果
- 55 cases (2013-2019) vs 19 with other agents (1984-2019); 3 deaths.
- 方法学质量
- very low (spontaneous reports, no denominators)
- 相关性
- direct but cannot estimate risk
- 局限
- Stimulated reporting; no incidence.
Fournier gangrene on SGLT2 drugs: very rare, any extra risk uncertain
Dave CV et al.. JAMA Intern Med 2019 · PMID 31479145 · DOI 10.1001/jamainternmed.2019.2813 队列研究已核查全文新增Cohort of about 500,000 men: higher point estimate, not significant.
- 实际结果
- 15.0 vs 9.7 per 100,000 PY; aHR 1.73 (0.87-3.42).
- 方法学质量
- moderate
- 相关性
- direct
- 局限
- 13 vs 24 events.
哪些证据不支持该说法?
Fournier gangrene in SGLT2 trials
Meta-analysis of 84 RCTs found no significant increase.
- 实际结果
- MH-OR 0.41 (0.09-1.82).
- 方法学质量
- moderate (very few events)
- 相关性
- direct
- 局限
- Underpowered.
总体证据说明了什么?
基于上述研究的编辑评估——其本身并非研究结果。
哪种观点有更好的证据支持?
Fournier gangrene is a very rare event (about 10-15 per 100,000 person-years in treated men). A small increase with SGLT2 inhibitors is possible and is labelled as a rare risk, but neither RCTs nor the best cohort show a significant increase. The FDA counts are correctly quoted, but report counts over different periods are not a risk comparison.
为什么有些研究权重更大
Active-comparator cohort data and RCT meta-analysis weigh more than spontaneous reports.
因果关系是否已确立? 有可能,尚未确立 Plausible via genital infections (a confirmed SGLT2i effect), but not demonstrated.
仍存在的不确定性
True incidence ratio; risk in women.
合理的结论
Possible rare risk; the numbers are correct but do not prove higher risk.
为什么研究结果看起来互相矛盾?
Spontaneous reports increased after the 2018 FDA warning (stimulated reporting), whereas cohort and RCT data measure incidence; they answer different questions.
这是否取决于国家?
- 一般生物学效应
- Drug pharmacology and physiology are universal.
- 饮食习惯
- Prolonged fasting, Ramadan fasting and very-low-carbohydrate eating change the risk of hypoglycaemia and ketoacidosis with some drugs; relevant in Egypt and among Muslims in Europe.
- 食品原产地
- Not applicable.
- 污染物
- Not applicable.
- 本国生产条件
- Not applicable (same active substances; generics widely used in Egypt).
- 法律规则
- Drug labels and warnings are set by FDA/EMA and national regulators; Egyptian labelling not reviewed.
- 实际监测数据
- No Egypt-specific pharmacovigilance data were found for this outcome.
足以改变结论的地区差异没有可靠数据支持。
统计复核
- Crude rate ratio and absolute excess – Crude IRR 1.55; adjusted excess 6.7/100,000 PY (CI -2.8 to 16.1) = at most about 1 case per 15,000 PY. 已重新计算
- Report counts per year – 9.2 vs 0.54 reports/year; not a risk ratio. 已重新计算
总体证据的确定性(GRADE,简化版)
- 主要结局
- Fournier gangrene with SGLT2i vs comparators
- 起始等级
- 高(随机试验)
- 降级理由
- imprecision (very few events)
- inconsistency (reports vs RCTs)
- 结果
- 低
由单名审查者参照 GRADE 方法进行的简化评估;并非正式的 GRADE 专家组评估。GRADE 评价的是针对某一结局的整体证据,而非单项研究。
已核查的临床指南和官方声明
- ADA: 9. Pharmacologic Approaches to Glycemic Treatment: Standards of Care in Diabetes-2026 (Diabetes Care 2026;49 Suppl 1) (2026) · 原始文献
Necrotizing fasciitis of the perineum (Fournier gangrene): rare; prompt treatment if suspected. - NICE: Type 2 diabetes in adults: management (NG28), last updated 18 February 2026 (2026) · 原始文献
Rarer events like DKA or Fournier gangrene affect 1 in 1,000 or fewer.
检索策略
本次审查的文献检索记录(检索式采用原数据库语法)。
| 数据库 | 日期 | 检索式 | 检索目标 | 命中数 | 纳入数 |
|---|---|---|---|---|---|
| PubMed | 2026年10月26日 | (Fournier*[ti] OR "necrotizing fasciitis"[ti] OR "genital infection*"[ti]) AND (SGLT2[tiab] OR "SGLT-2"[tiab] OR "sodium-glucose"[tiab] OR gliflozin[tiab]) AND (cohort[tiab] OR meta-analysis[pt] OR pharmacovigilance[tiab]) | 双向 | 21 | |
| NICE NG28 (2026) | 2026年10月26日 | Fetched https://www.nice.org.uk/guidance/ng28/chapter/Initial-medicines; rare adverse events | 指南 | 1 | |
| ADA Standards of Care 2026, Section 9 (PubMed Central) | 2026年10月26日 | Fetched https://pmc.ncbi.nlm.nih.gov/articles/PMC12690185/; Table 9.2. The diabetesjournals.org DOI landing pages returned HTTP 403; the identical article was read in PubMed Central. | 指南 | 1 |
待解决的问题
Incidence in women and in hot climates with dehydration.
核查深度如何?
4 项相关研究:2 项核查了全文(其中 0 项进行了结构化偏倚风险评估),2 项基于摘要核查,0 项仅核查了文献信息。 尚未进行由两名独立审查者完成的正式评估,也尚未进行独立的人类专家审核。
最近一次科学审核: 2026年10月26日
通俗解释
美国监管机构收集了服用SGLT2类药物的人发生一种罕见的严重生殖器部位感染的报告。仅凭报告无法判断它实际发生的频率。一项汇总了84项试验的分析没有发现明显增加,但这种病太罕见,无法排除风险。如果该部位出现疼痛性肿胀,患者应立即就医。
与该说法相关的研究
支持该说法的研究 (2)
-
Fournier gangrene reports with SGLT2 drugs
Bersoff-Matcha SJ et al.. Ann Intern Med 2019 · PMID 31060053 · DOI 10.7326/M19-0085病例系列 / 病例报告被 Tayebat 档案网站引用已核查摘要★ 关键研究FDA received 55 reports of this rare genital infection with SGLT2 drugs; reports cannot show how often it really happens.
该研究是否支持这一具体说法? 部分支持 · 方法学质量: 极低 · 证据确定性:见该说法的总体评估
研究通俗解读
- 研究人员想了解什么?
Describe Fournier gangrene cases with SGLT2 inhibitors vs other agents
- 研究是如何开展的?
Descriptive case series of FDA FAERS reports and published cases
- 研究了多少人、动物或样本?
55 SGLT2 cases; 19 comparator cases; Adults with diabetes reported to FAERS
- 实际发现了什么?
55 vs 19 reports.
- 观察到的效应有多大?
not estimable
- 研究结果对日常生活意味着什么?
Be alert to genital pain/swelling.
- 该研究有哪些局限?
No incidence/causality; Reporting bias (stimulated reporting after warnings); Different time windows
- 它对 Elawady 的具体说法说明了什么?
Supports C-ODD-08 (signal).
- 研究结果是否适用于德国和欧洲?
FDA data; EMA issued similar warnings (not verified).
- 从该研究中明确不能得出什么结论?
Incidence or causality.
-
ADA guideline 2026: diabetes medicines
American Diabetes Association Professional Practice Committee for Diabetes*. Diabetes Care 2026 · PMID 41358900 · DOI 10.2337/dc26-S009指南 / 立场声明独立交叉核查已核查全文★ 关键研究Insulin is essential in type 1 diabetes; SGLT2/GLP-1 drugs are recommended for heart and kidney protection; side effects listed.
该研究是否支持这一具体说法? 部分支持 · 方法学质量: 高 · 证据确定性:见该说法的总体评估
研究通俗解读
- 研究人员想了解什么?
Pharmacologic glycaemic treatment
- 研究是如何开展的?
Clinical practice guideline (ADA Standards of Care 2026, Section 9)
- 研究了多少人、动物或样本?
not applicable; People with type 1 and type 2 diabetes
- 实际发现了什么?
See results.
- 观察到的效应有多大?
not applicable
- 研究结果对日常生活意味着什么?
Medicines chosen by benefit-risk.
- 该研究有哪些局限?
Partially read
- 它对 Elawady 的具体说法说明了什么?
- 研究结果是否适用于德国和欧洲?
Consistent with ADA/EASD consensus.
- 从该研究中明确不能得出什么结论?
Not applicable.
该组中没有被标记为关键研究的研究。
与该说法相矛盾或限制该说法的研究 (1)
-
Fournier gangrene in SGLT2 trials
Silverii GA et al.. Diabetes Obes Metab 2020 · PMID 31637829 · DOI 10.1111/dom.13900Meta分析独立交叉核查已核查摘要Across 84 trials Fournier gangrene was not more frequent, but cases were too few to be sure.
该研究是否支持这一具体说法? 否 · 方法学质量: 中 · 证据确定性:见该说法的总体评估
研究通俗解读
- 研究人员想了解什么?
SGLT2 inhibitors and Fournier gangrene
- 研究是如何开展的?
Meta-analysis of 84 RCTs
- 研究了多少人、动物或样本?
42,415 SGLT2i vs 27,158 comparators; Type 2 diabetes in RCTs
- 实际发现了什么?
OR 0.41 (n.s.).
- 观察到的效应有多大?
MH-OR 0.41 (0.09-1.82)
- 研究结果对日常生活意味着什么?
Very rare; no confirmed excess.
- 该研究有哪些局限?
Very few events; FG not systematically adjudicated
- 它对 Elawady 的具体说法说明了什么?
Limits C-ODD-08.
- 研究结果是否适用于德国和欧洲?
Multinational trial including European sites or directly applicable to EU practice.
- 从该研究中明确不能得出什么结论?
Exclude risk.
该组中没有被标记为关键研究的研究。
结果不一或不明确的研究 (1)
-
Fournier gangrene on SGLT2 drugs: very rare, any extra risk uncertain
Dave CV et al.. JAMA Intern Med 2019 · PMID 31479145 · DOI 10.1001/jamainternmed.2019.2813队列研究独立交叉核查已核查全文★ 关键研究15.0 vs 9.7 cases per 100,000 person-years; HR 1.73 (0.87-3.42).
Non-significant HR 1.73; very low absolute incidence.
该研究是否支持这一具体说法? 部分支持 · 方法学质量: 中 · 证据确定性:见该说法的总体评估
研究通俗解读
- 研究人员想了解什么?
Measure Fournier gangrene risk in men starting SGLT2i.
- 研究是如何开展的?
Claims-data cohort vs DPP-4i.
- 研究了多少人、动物或样本?
About 500,000 men.
- 实际发现了什么?
Very rare; possible but non-significant increase.
- 观察到的效应有多大?
HR 1.73 (0.87-3.42).
- 研究结果对日常生活意味着什么?
This severe infection is very rare; genital pain with fever needs urgent care.
- 该研究有哪些局限?
Few events.
- 它对 Elawady 的具体说法说明了什么?
Shows the FDA numbers cannot establish a risk ratio.
- 研究结果是否适用于德国和欧洲?
High.
- 从该研究中明确不能得出什么结论?
Causality.
该组中没有被标记为关键研究的研究。
地区背景
德国 / 欧盟
EMA added a Fournier warning to SGLT2 inhibitor labels (not separately fetched; verified: false).
埃及
Egypt has one of the highest diabetes prevalences in the region; the same drug classes and insulins are used. Access barriers and cost may make advice to stop medication attractive, which increases the practical risk of this claim. No Egypt-specific evidence changes the assessment.
在我的国家适用什么?
一般科学评估
可能正确 这是一种罕见的可能风险,尚未在试验中得到证实,但值得保持警惕。
该说法涉及生物学或医学关系。上述科学评估不论在哪个国家都适用;各国食品数据不会改变这一评估。
参考文献
- Fournier Gangrene Associated With Sodium-Glucose Cotransporter-2 Inhibitors: A Review of Spontaneous Postmarketing Cases.. Bersoff-Matcha SJ et al.. Ann Intern Med 2019 · PMID 31060053 · DOI 10.7326/M19-0085
- 9. Pharmacologic Approaches to Glycemic Treatment: Standards of Care in Diabetes-2026.. American Diabetes Association Professional Practice Committee for Diabetes*. Diabetes Care 2026 · PMID 41358900 · DOI 10.2337/dc26-S009
- Fournier's gangrene and sodium-glucose co-transporter-2 inhibitors: A meta-analysis of randomized controlled trials.. Silverii GA et al.. Diabetes Obes Metab 2020 · PMID 31637829 · DOI 10.1111/dom.13900
- Association of Sodium-Glucose Cotransporter 2 Inhibitor Treatment With Risk of Hospitalization for Fournier Gangrene Among Men.. Dave CV et al.. JAMA Intern Med 2019 · PMID 31479145 · DOI 10.1001/jamainternmed.2019.2813