American Society of Hirudotherapy

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This library indexes the full evidence base. For orientation, begin with the core guides:

Conditions

8

Peripheral Artery Disease (Claudication, Investigational)

Tier C

Highly investigational adjunct for intermittent claudication; ABI must be assessed first; critical limb ischemia is an absolute contraindication.

InvestigationalCase report

Complex Regional Pain Syndrome (Type I, Investigational)

Tier C

Highly investigational adjunct for CRPS Type I; one case report and no controlled study identified; multidisciplinary pain management and physiotherapy remain primary.

InvestigationalCase report

Hidradenitis Suppurativa Hurley Stage II (Investigational Adjunct)

Tier C

Investigational adjunct in Hurley Stage II HS refractory to conventional therapy; the only clinical report found describes harm; biologics (adalimumab, secukinumab) and surgical management remain primary.

InvestigationalCase report

Chronic Radiation Dermatitis (Investigational)

Tier C

Highly investigational adjunct for chronic radiation dermatitis after oncology completion; no clinical report of leech therapy was identified; standard skin care and dermatology referral remain primary.

InvestigationalCase report

Complex Regional Pain Syndrome Type I (Investigational Adjunct)

Tier C

Highly investigational adjunct for CRPS-I in patients with stable nutritional vascular status; a single case report only; multidisciplinary pain management remains primary.

InvestigationalCase report

Chronic Mid-Portion Achilles Tendinopathy (Investigational)

Tier C

Investigational adjunct for chronic mid-portion (non-insertional) Achilles tendinopathy; eccentric loading remains evidence-based first-line.

InvestigationalCase report

Livedoid Vasculopathy (Investigational Adjunct)

Tier C

Investigational adjunct for livedoid vasculopathy; no clinical leech study was identified, and anticoagulation and IVIG remain guideline first-line.

InvestigationalCase report

Necrobiosis Lipoidica (Investigational Adjunct)

Tier C

Investigational adjunct for stable non-ulcerated necrobiosis lipoidica; no clinical leech study was identified; topical corticosteroids remain first-line.

InvestigationalCase report

This website provides educational information and does not constitute medical advice, diagnosis, or treatment recommendations. Medicinal leech therapy carries clinically meaningful risks and should be performed only by qualified clinicians under institutionally approved protocols. FDA 510(k) clearance for medicinal leeches is limited to specific indications; investigational and off-label discussions are labeled accordingly. For patient-specific guidance, consult a qualified healthcare provider.

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