RecruitingPhase 2Phase 3NCT06061848

Intralymphatic Immunotherapy Enhanced by Vitamin-D, a Randomized Placebo-controlled Trial and Comparison With SLIT


Sponsor

Lars Olaf Cardell

Enrollment

360 participants

Start Date

Feb 1, 2023

Study Type

INTERVENTIONAL

Conditions

Summary

A national, multicenter, randmised double blind study with parallell arms. 360 patients with grass induced allergic rhinitis will be open randomised 1:2 to 3 years Grazax sublingual immunotherapy or 3 intralymphatic injections with ALK Alutard Timothy. In a second step, the ILIT group will be double blind randomised 1:1 to an intramuscular injection of Vitamin D Vicotrat or placebo, 4 week before the start of the intralymphatic treatment. The primary outcome measure is daily combined symptoms and medication scores during grass pollen season.


Eligibility

Min Age: 18 YearsMax Age: 60 Years

Inclusion Criteria2

  • moderate to severe allergic rhinitis due to grass pollen, with Rhinitis Total Symptom Score >/= 8.
  • informed consent

Exclusion Criteria35

  • chronic rhinosinusitis with or without nose polyps
  • Previous immunotherapy (SLIT or SCIT)
  • BMI > 35
  • house dust mite allergy with symptoms
  • allergy towards furry animals if exposition cannot be avoided
  • (OH)Vitamin D levels < 25 or > 75 nmol/L
  • use of Vitamin D supplementation or excessive use of sun tanning booths
  • mental incapacity to follow study protocol
  • other significant disease
  • allergy towards study medication
  • uncontrolled asthma
  • severe atopic dermatitis
  • pregnancy or nursing
  • autoimmune disease
  • hyper IgE-syndrome
  • cardiovascular disease
  • lung disease
  • liver or kidney disease
  • hematologic disorder
  • metabolic disease
  • chronic infectious disese
  • medications interacting with the immune system
  • cancer
  • previous cytostatic therapy
  • medication with beta-blockers or ACE-inhibiters, if medication cannot be paused at the day for treatment
  • drug or alcohol abuse
  • intake of other study product within 1 month or 6 half times, which ever is longest, before visit 1
  • withdrawn consent
  • medication witch can interacts with vitD: (ACE-inhibitors, antiepileptic drugs, glycosides, orlistat, statines, thiazide diuretics)
  • tendency for formation of kidney stones
  • hyperparathyroidism or other disease conferring risk of hypercalcemia
  • hereditary pseudohypoparathyroidism with decreased phosphorous secretion
  • malabsorption or bowel disease with diarrhea
  • Mb Paget, osteoporosis or sarcoidosis
  • skin disease at the groin (where the treatment will be injected)

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Interventions

DRUGSLIT Grazax ALK Nordic 75 000 SQ-T

Daily sublingual grass allergen tablets

DRUGILIT + Vitamin D

1 mL of Vicotrat D3, Heyl Pharma, 100 000 IU/mL, as intramuscular injection. Followed by 0,1 mL of Alutard SQ timothy, ALK Nordic, 10 000 SQ-U/mL as three intralymphatic injections

DRUGILIT + placebo

1 ml of Sodium chloride solution 9 mg/mL as intramuscular injection followed by 0,1 mL of Alutard SQ timothy, ALK Nordic, 10 000 SQ-U/mL as three intralymphatic injections


Locations(3)

Skåne University Hospital, ENT department

Lund, Sweden

Örebro University Hospital

Örebro, Sweden

Karolinska University Hospital, ENT-department

Stockholm, Sweden

View Full Details on ClinicalTrials.gov

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NCT06061848