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A rare inflammatory non-necrotizing vascular disease affecting the small- and medium-sized arteries and veins of the upper and lower extremities characterized by endarteritis and vaso-occlusion due to occlusive thrombus development. The development and progression of the disease is consistently associated with exposure to tobacco.
Features include very common findings: Sensory neuropathy, Vasculitis, Arterial thrombosis, and Gangrene and others; and common findings: Acrocyanosis, Arthralgia, Paresthesia, and Intermittent claudication and others. 19 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Brain and nerves | 5 | Pain, Sensory neuropathy, Paresthesia |
Biomarker and diagnostic research for thromboangiitis obliterans has been reported in the published literature.
No approved treatments are currently available for thromboangiitis obliterans. An additional 9 compounds hold orphan drug designation.
While no drugs are FDA-approved specifically for thromboangiitis obliterans, some of the following designated compounds may be used off-label in clinical practice. Treatment decisions should be made in consultation with a specialist familiar with this condition.
The following drugs have received orphan drug designation from the FDA for thromboangiitis obliterans. Orphan designation reflects regulatory interest and does not indicate approval for treatment.
Brand Name | Generic Name | Sponsor |
|---|
Phenotype severity distribution: 5 very common features, 6 common features.
Estimated prevalence: 1-5 in 10,000 (Uncommon).
4 clinical trials registered, 2 recruiting. Interventions under study include drug therapy, biologic therapy, and other interventions. Pipeline includes 1 PHASE4, 1 PHASE3, 1 PHASE1. Research is sponsored by a mix of industry and academic institutions.
107 publications have been identified in PubMed for thromboangiitis obliterans. Research spans Case Report / Case Series (23%), Review / Meta-Analysis (19%), and Clinical Trial Publication (16%).
Research Type | Count | % of Total |
|---|---|---|
Patient case studies | 25 |
Data assembled from 7 of 12 sources · Last updated Sep 19, 2026, 4:29 PM UTC
Online Mendelian Inheritance in Man
European rare disease database
Genetic and Rare Diseases Info Center
Skin |
2 |
Excessive sweating (hyperhidrosis), Skin ulcer |
Arms and legs | 2 | Limb pain, Digital ischemia |
Blood and immune system | 1 | Vasculitis |
Bones and joints | 1 | Arthralgia |
Designated
Exclusivity End |
|---|
Designation Status |
|---|
circular RNA therapy expressing Hepatocyte Growth Factor | circular RNA therapy expressing Hepatocyte Growth Factor | Shanghai CirCode Biomed Co., Ltd. | 2025 | — | Designated |
Granulocyte colony-stimulating-factor (G-CSF) | Granulocyte colony-stimulating-factor (G-CSF) | Vasogenesis Inc | 2022 | — | Designated |
E-selectin/Adeno-Associated Virus (E-sel/AAV2) Gene Therapy | E-selectin/Adeno-Associated Virus (E-sel/AAV2) Gene Therapy | Ambulero Inc | 2021 | — | Designated |
GCSF-mobilized autologous CD34 cells for intramuscular injection | GCSF-mobilized autologous CD34 cells for intramuscular injection | Lisata Therapeutics | 2021 | — | Withdrawn |
fully human nicotine-specific monoclonal antibody | fully human nicotine-specific monoclonal antibody | Antidote Therapeutics, Inc. | 2018 | — | Designated |
autologous adipose tissue derived mesenchymal stem cells | autologous adipose tissue derived mesenchymal stem cells | Biostar Stem Cell Research Institute | 2016 | — | Designated |
allogeneic ex-vivo expanded placental adherent stromal cells | allogeneic ex-vivo expanded placental adherent stromal cells | Pluri Biotech Ltd. | 2011 | — | Designated |
Bone marrow-derived mononuclear cells | Bone marrow-derived mononuclear cells | t2cure GmbH | 2010 | — | Designated |
pVGI.1(VEGF2) | pVGI.1(VEGF2) | Corautus Genetics, Inc. | 1999 | — | Withdrawn |
Gene therapy approaches for thromboangiitis obliterans have been reported in the published literature.
4 trials found
23%
Research summaries | 20 | 19% |
Clinical study results | 17 | 16% |
Laboratory research | 17 | 16% |
Disease patterns and progression | 13 | 12% |
Testing and diagnosis research | 8 | 7% |
New treatment approaches | 5 | 5% |
Other research | 2 | 2% |
Amin M (2026). [PMID: 41984810](https://pubmed.ncbi.nlm.nih.gov/41984810/). *Rheumatology (Oxford)*. [Epidemiology / Natural History]
Xu X (2026). [PMID: 41238034](https://pubmed.ncbi.nlm.nih.gov/41238034/). *Microvascular research*. [Basic Science / Preclinical]
Yang X (2026). [PMID: 41237866](https://pubmed.ncbi.nlm.nih.gov/41237866/). *Journal of ethnopharmacology*. [Basic Science / Preclinical]
Shaghayegh A (2026). [PMID: 41699570](https://pubmed.ncbi.nlm.nih.gov/41699570/). *BMC surgery*. [Case Report / Case Series]
Yücel M (2026). [PMID: 41750710](https://pubmed.ncbi.nlm.nih.gov/41750710/). *Diagnostics (Basel, Switzerland)*. [Epidemiology / Natural History]
Yazıksız N (2026). [PMID: 41753078](https://pubmed.ncbi.nlm.nih.gov/41753078/). *Journal of clinical medicine*. [Epidemiology / Natural History]
Liu Z (2026). [PMID: 41676274](https://pubmed.ncbi.nlm.nih.gov/41676274/). *American journal of translational research*. [Case Report / Case Series]
Önaloğlu Y (2026). [PMID: 41708155](https://pubmed.ncbi.nlm.nih.gov/41708155/). *International wound journal*. [Basic Science / Preclinical]
Asano K (2026). [PMID: 41550627](https://pubmed.ncbi.nlm.nih.gov/41550627/). *Journal of cardiology cases*. [Case Report / Case Series]
Nugroho NT (2026). [PMID: 41705085](https://pubmed.ncbi.nlm.nih.gov/41705085/). *The International journal of angiology : official publication of the International College of Angiology, Inc*. [Case Report / Case Series]
AI-curated news mentioning thromboangiitis obliterans
Updated May 12, 2026
A recent study published in PubMed examines the outcomes of endovascular revascularization for upper limb thromboangiitis obliterans through palmar arch angioplasty. This research contributes to understanding treatment options for this rare vascular condition.