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A rare acute systemic infection caused by the inhalation of Bacillus anthracis spores (e.g. through infected animal products, bioterrorism) and characterized by an initial stage where patients present with non specific symptoms (fever, cough, chills, fatigue) that is followed by an acute phase during which hemorrhagic mediastinitis occurs that can progress into meningitis, gastrointestinal involvement, and refractory shock, that can be fatal, if left untreated.
2 FDA-approved treatments are available for inhalational anthrax, including OBILTOXAXIMAB (ANTHIM, approved 2016) and CIPROFLOXACIN (CIPRO, approved 1997). An additional 3 compounds hold orphan drug designation.
Brand Name | Generic Name | Mechanism | Approved | Market Status |
|---|---|---|---|---|
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
2 clinical trials registered. Interventions under study include drug therapy and biologic therapy. Research is primarily industry-sponsored.
17 publications have been identified in PubMed for inhalational anthrax. Research spans Case Report / Case Series (35%), Basic Science / Preclinical (35%), and Gene Therapy / Novel Therapeutics (18%).
Research Type | Count | % of Total |
|---|---|---|
Patient case studies | 6 | 35% |
Data assembled from 5 of 12 sources · Last updated Sep 18, 2026, 6:36 AM UTC
European rare disease database
Genetic and Rare Diseases Info Center
ANTHIM |
OBILTOXAXIMAB |
— |
2016 |
Available |
CIPRO | CIPROFLOXACIN | — | 1997 | Available |
The following drugs have received orphan drug designation from the FDA for inhalational anthrax. Orphan designation reflects regulatory interest and does not indicate approval for treatment.
Brand Name | Generic Name | Sponsor | Designated | Exclusivity End | Designation Status |
|---|---|---|---|---|---|
L-alanoyl-D-glutamate endopeptidase from Bacillus-infected bacteriophages | L-alanoyl-D-glutamate endopeptidase from Bacillus-infected bacteriophages | iNtRON Biotechnology, Inc. | 2018 | — | Designated |
human monoclonal anti-PA antibody | human monoclonal anti-PA antibody | Emergent Product Development Gaithersburg, Inc. | 2010 | — | Withdrawn |
anthrax immune globulin | anthrax immune globulin | Emergent Biosolutions, Inc. | 2009 | — | Withdrawn |
Gene therapy approaches for inhalational anthrax have been reported in the published literature.
2 trials found
Laboratory research |
6 |
35% |
New treatment approaches | 3 | 18% |
Research summaries | 2 | 12% |
Mann CA (2026). [PMID: 41430688](https://pubmed.ncbi.nlm.nih.gov/41430688/). *ACS infectious diseases*. [Case Report / Case Series]
Zhang X (2026). [PMID: 42003407](https://pubmed.ncbi.nlm.nih.gov/42003407/). *Adv Mater*. [Gene Therapy / Novel Therapeutics]
Thompson JM (2026). [PMID: 41468309](https://pubmed.ncbi.nlm.nih.gov/41468309/). *MMWR. Morbidity and mortality weekly report*. [Case Report / Case Series]
Chambers J (2026). [PMID: 30571000](https://pubmed.ncbi.nlm.nih.gov/30571000/). *Unknown Journal*. [Review / Meta-Analysis]
Holty JC (2026). [PMID: 41721520](https://pubmed.ncbi.nlm.nih.gov/41721520/). *Clinical infectious diseases : an official publication of the Infectious Diseases Society of America*. [Basic Science / Preclinical]
Shah K (2026). [PMID: 42232081](https://pubmed.ncbi.nlm.nih.gov/42232081/). *Front Bioeng Biotechnol*. [Review / Meta-Analysis]
Guo WB (2025). [PMID: 41073345](https://pubmed.ncbi.nlm.nih.gov/41073345/). *Zhonghua lao dong wei sheng zhi ye bing za zhi = Zhonghua laodong weisheng zhiyebing zazhi = Chinese journal of industrial hygiene and occupational diseases*. [Case Report / Case Series]
Lyu Y (2025). [PMID: 40247849](https://pubmed.ncbi.nlm.nih.gov/40247849/). *IDCases*. [Basic Science / Preclinical]
Whaler B (2025). [PMID: 40991654](https://pubmed.ncbi.nlm.nih.gov/40991654/). *PLoS computational biology*. [Basic Science / Preclinical]
Lawrence WS (2025). [PMID: 40014033](https://pubmed.ncbi.nlm.nih.gov/40014033/). *ACS infectious diseases*. [Gene Therapy / Novel Therapeutics]