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Intralymphatic Immunotherapy in Increasing Doses, After Subcutaneous Immunotherapy

Karolinska Institute logo

Karolinska Institute

Status and phase

Completed
Phase 3
Phase 2

Conditions

Rhinitis, Allergic

Treatments

Drug: ALK Alutard birch or 5-grasses
Drug: ALK diluent

Study type

Interventional

Funder types

Other

Identifiers

NCT02679105
2015-001259-63

Details and patient eligibility

About

The study evaluates the safety and effect of intralymphatic allergen specific immunotherapy in increasing doses. Patients that have already undergone subcutaneous immunotherapy will be treated with three intralymphatic injections in increasing doses; 1000 SQ-U, 3000 SQ-U and 10 000 SQ-U, or placebo.

Full description

38 patients with seasonal allergic rhinitis that have recently (within 20 months) ended a full subcutaneous immunotherapy protocol with birch or grass allergen with improvement but not full symptom relief are recruited. Study subjects are randomized to intralymphatic injections with placebo or ALK Alutard 5-grasses or birch.

Enrollment

38 patients

Sex

All

Ages

18 to 55 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Age 18-55
  • Accepted and signed informed consent.
  • Recently (within 20 months) ended a full 3 year program with subcutaneous immunotherapy (SCIT) with amelioration of symptoms but not full symptom relief.

Exclusion criteria

  • Previously subcutaneous immunotherapy (SCIT) with total symptom relief.
  • Previously SCIT but no symptom improvement at all.
  • Sensitizations to house dust mite or furry animals, with symptoms.
  • Severe atopic dermatitis.
  • Patients with significant diseases other than allergic rhinitis. A significant disease is defined as a disease which in the opinion of the investigator may either put the patient at risk because of participation in the study or a disease which may influence the results of the study or the patient's ability to participate in the study.
  • Patients with a respiratory tract infection in the past 4 weeks prior to Visit 2.
  • Pregnant or nursing women or women of childbearing potential not using a medically approved means of contraception (i.e., oral contraceptives, intrauterine devices, diaphragm, or subdermal implants).
  • Known autoimmune or collagen disease
  • Cardiovascular disease
  • Perennial pulmonary disease including asthma
  • Hepatic disease
  • Known renal insufficiency
  • Cancer
  • Hematologic disease
  • Chronic infectious disease
  • Any medication with a possible side-effect of interfering with the immune response
  • Previous immuno- or chemotherapy, apart from SCIT
  • Disease or conditions rendering the treatment of anaphylactic reactions difficult (symptomatic coronary heart diseases, severe arterial hypertension and treatment with β-blockers)
  • Major metabolic disease
  • Known or suspected allergy to the study product
  • Obesity with BMI > 30 since subcutaneous fat makes ultrasound imaging of lymph nodes harder which may risk the correct placement of injection.
  • Patients who, in the opinion of the investigator, abuse alcohol or drugs within 2 years prior to Visit 1.
  • Patients who have taken an investigational drug within 1 month or six half lives, whichever is greater, prior to Visit 1.
  • Mental incapability of coping with the study
  • Withdrawal of informed consent

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Quadruple Blind

38 participants in 2 patient groups, including a placebo group

ALK diluent
Placebo Comparator group
Description:
Human albumin
Treatment:
Drug: ALK diluent
ALK Alutard birch or 5-grasses
Active Comparator group
Description:
Grass pollen suspension or birch pollen suspension
Treatment:
Drug: ALK Alutard birch or 5-grasses

Trial contacts and locations

3

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Data sourced from clinicaltrials.gov

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