Last reviewed 2026-04-23 · How we verify

SUBLIVAC® Grasses treatment

HAL Allergy · Phase 3 active Small molecule

SUBLIVAC® Grasses treatment is a Allergen immunotherapy Small molecule drug developed by HAL Allergy. It is currently in Phase 3 development for Grass pollen allergy.

SUBLIVAC Grasses treatment works by desensitizing patients to grass allergens.

SUBLIVAC Grasses treatment works by desensitizing patients to grass allergens. Used for Grass pollen allergy.

At a glance

Generic name	SUBLIVAC® Grasses treatment
Sponsor	HAL Allergy
Drug class	Allergen immunotherapy
Modality	Small molecule
Therapeutic area	Immunology
Phase	Phase 3

Mechanism of action

This is achieved through sublingual immunotherapy, which involves placing a small amount of grass allergen under the tongue to build up tolerance over time.

Approved indications

Grass pollen allergy

Common side effects

Local reactions
Systemic reactions
Gastrointestinal symptoms
Respiratory symptoms

Key clinical trials

Twin SUBLIVAC® Grasses Clinical Efficacy Study (PHASE3)

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:

SUBLIVAC® Grasses treatment CI brief — competitive landscape report
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Frequently asked questions about SUBLIVAC® Grasses treatment

What is SUBLIVAC® Grasses treatment?

SUBLIVAC® Grasses treatment is a Allergen immunotherapy drug developed by HAL Allergy, indicated for Grass pollen allergy.

How does SUBLIVAC® Grasses treatment work?

SUBLIVAC Grasses treatment works by desensitizing patients to grass allergens.

What is SUBLIVAC® Grasses treatment used for?

SUBLIVAC® Grasses treatment is indicated for Grass pollen allergy.

Who makes SUBLIVAC® Grasses treatment?

SUBLIVAC® Grasses treatment is developed by HAL Allergy (see full HAL Allergy pipeline at /company/hal-allergy).

What drug class is SUBLIVAC® Grasses treatment in?

SUBLIVAC® Grasses treatment belongs to the Allergen immunotherapy class. See all Allergen immunotherapy drugs at /class/allergen-immunotherapy.

What development phase is SUBLIVAC® Grasses treatment in?

SUBLIVAC® Grasses treatment is in Phase 3.

What are the side effects of SUBLIVAC® Grasses treatment?

Common side effects of SUBLIVAC® Grasses treatment include Local reactions, Systemic reactions, Gastrointestinal symptoms, Respiratory symptoms.

Drug class: All Allergen immunotherapy drugs
Manufacturer: HAL Allergy — full pipeline
Therapeutic area: All drugs in Immunology
Indication: Drugs for Grass pollen allergy
Compare: SUBLIVAC® Grasses treatment vs similar drugs
Pricing: SUBLIVAC® Grasses treatment cost, discount & access