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PURETHAL Grasses, 20.000 AUM/ml
PURETHAL Grasses is an allergen extract that desensitizes the immune system to grass pollen allergens through repeated subcutaneous administration.
PURETHAL Grasses is an allergen extract that desensitizes the immune system to grass pollen allergens through repeated subcutaneous administration. Used for Allergic rhinitis and/or allergic asthma caused by grass pollen allergens.
At a glance
| Generic name | PURETHAL Grasses, 20.000 AUM/ml |
|---|---|
| Sponsor | HAL Allergy |
| Drug class | Allergen immunotherapy extract |
| Target | Grass pollen allergens (IgE and T-cell epitopes) |
| Modality | Small molecule |
| Therapeutic area | Immunology / Allergy |
| Phase | FDA-approved |
Mechanism of action
This product contains standardized grass pollen allergen extract (20,000 AUM/ml) used in allergen immunotherapy (AIT). It works by gradually exposing patients to increasing doses of grass allergens, which induces immune tolerance through shift toward regulatory T cells and IgG-blocking antibodies, reducing allergic symptoms upon natural grass pollen exposure.
Approved indications
- Allergic rhinitis and/or allergic asthma caused by grass pollen allergens
Common side effects
- Local injection site reactions (erythema, swelling, pruritus)
- Systemic allergic reactions
- Anaphylaxis
Key clinical trials
- PURETHAL Grasses Rush Study (PHASE4)
Primary sources
Every claim on this page is sourced from regulatory or scientific primary sources. See our editorial policy for full methodology.
| Source | Used for |
|---|---|
| ClinicalTrials.gov | Trial enrolment, design, endpoints, results |
Competitive intelligence
For the full competitive landscape — auto-detected comparators, recent regulatory actions across the set, upcoming PDUFA, patent timeline, sponsor landscape:
- PURETHAL Grasses, 20.000 AUM/ml CI brief — competitive landscape report
- PURETHAL Grasses, 20.000 AUM/ml updates RSS · CI watch RSS
- HAL Allergy portfolio CI