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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT01250652
Other study ID # 67LH13102010
Secondary ID
Status Completed
Phase Phase 4
First received November 30, 2010
Last updated July 15, 2013
Start date March 2011
Est. completion date March 2013

Study information

Verified date July 2013
Source Association Asthma, Bulgaria
Contact n/a
Is FDA regulated No
Health authority Bulgaria: Bulgarian Drug Agency
Study type Interventional

Clinical Trial Summary

Allen Kaplan is a prominent American allergist with the reputation of leader in the field of chronic urticaria. He advocates treatment with first generation hydroxyzine, which he considers at least as effective as modern second generation H1-blockers in suppressing the symptoms of difficult-to-treat / systemic-steroid-dependant cases of chronic urticaria. He further speculates that hydroxyzine may have the advantage to better suppress itch and improve nighttime sleep. This has prompted many practitioners around the world to believe that adding hydroxyzine to the treatment regimen at bed time at night may be beneficial to patients. At the same time European guidelines indicate modern second generation H1-blockers in higher than conventional doses as drugs of choice for such cases. However, there is no evidence from clinical trials addressing this controversy. The investigators' previous studies suggest that levocetirizine at quadruple doses may be beneficial in difficult to treat urticaria by reducing lesions and itch, improving quality of life and night time sleep, while not causing day time somnolence. First generation H1-receptor antagonists and hydroxyzine among them are known to penetrate the blood / brain barrier and to cause sedation. The question stays whether this sedation is beneficial to the subjects with chronic urticaria at night, whether it has any hang-over unwanted effects the following day and whether this has any influence on the overall urticaria-specific quality of life.


Description:

Study design:

The study will involve two distinct parts (flow chart):

1. In-hospital assessment of effectiveness and tolerability of 10 & 20 mg levocetirizine vs. 100 & 200 mg hydroxyzine in subjects to be weaned off corticosteroid treatment.

2. Subsequent ambulatory treatment of the same patients with 20 mg levocetirizine alone and 15 mg levocetirizine + 50 hydroxyzine at night

Protocol description Patients with chronic urticaria treated with systemic steroids are traditionally admitted to the Clinic of Allergy and Asthma in Sofia to try to wean them off this class of drugs. Hospitalized patients will be invited to take part in the study and will sign an informed consent. They will be assessed by standard questionnaire and by objective assessment of the urticarial lesions, QoLQ will be filled in, discomfort due to urticaria, day time somnolence and night time sleep quality will be assessed on a visual analogue scale. Systemic steroids will be withheld and patients would be given 10 mg levocetirizine on Days 1 & 2; after a new assessment of quality of night time sleep and day time somnolence, 100 mg hydroxyzine will be given on Days 3 & 4. The cycle will be repeated on Days 5 & 6 and Days 7 & 8 with 20 mg levocetirizine and 200 hydroxyzine respectively. At this point patients will be discharged and randomized to two treatment arms: levocetirizine 20 mg per day and levocetirizine 15 mg + hydroxyzine 50 mg as evening dose for 5 days. Diaries will be given to patients for assessment of daily SS, day time somnolence score, quality of night time sleep, facial tissue swelling, rescue medication with oral prednisolone, adverse events, intake of any other medications. After 5 days the patients from arm 1 and 2 will be crossed over to the alternative treatment. QoLQ questionnaire will be filled out at onset, at cross over (day 5) and at the end of the 10 day treatment period. On completion of the study subjects will be asked to state there preference for one treatment or the other.


Recruitment information / eligibility

Status Completed
Enrollment 24
Est. completion date March 2013
Est. primary completion date February 2013
Accepts healthy volunteers No
Gender Both
Age group 18 Years to 80 Years
Eligibility Inclusion Criteria:

- 24 randomized patients of either sex,

- =18 years of age.

- Included patients should have at least a 6-week documented history of urticaria with intake of 15-30 mg Prednisolon.

Exclusion Criteria:

- Patients with physically induced urticarias;

- pregnancy and lactation;

- any chronic disease requiring daily other drug treatment including, antihypertensives, antipsychotics and antidepressants;

- other skin disease

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Crossover Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Treatment


Related Conditions & MeSH terms


Intervention

Drug:
Levocetirizine
20 mg levocetirizine for 5 days
Levocetirizine plus Hydroxyzine
24 patient will receive 15 mg Levocetirizine plus 50 mg Hydroxyzine at bad time for 5 days

Locations

Country Name City State
Bulgaria Medical University Sofia, Department of Allergology Sofia

Sponsors (2)

Lead Sponsor Collaborator
Association Asthma, Bulgaria UCB Pharma

Country where clinical trial is conducted

Bulgaria, 

References & Publications (3)

Kaplan AP. Chronic urticaria: pathogenesis and treatment. J Allergy Clin Immunol. 2004 Sep;114(3):465-74; quiz 475. Review. — View Citation

Kaplan AP. What the first 10,000 patients with chronic urticaria have taught me: a personal journey. J Allergy Clin Immunol. 2009 Mar;123(3):713-7. doi: 10.1016/j.jaci.2008.10.050. Epub 2008 Dec 10. — View Citation

Staevska M, Popov TA, Kralimarkova T, Lazarova C, Kraeva S, Popova D, Church DS, Dimitrov V, Church MK. The effectiveness of levocetirizine and desloratadine in up to 4 times conventional doses in difficult-to-treat urticaria. J Allergy Clin Immunol. 2010 Mar;125(3):676-82. doi: 10.1016/j.jaci.2009.11.047. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Urticaria specific quality of life The primary objective of the study is to compare the effect on urticaria specific quality of life of two regimens: levocetirizine 20 mg per day (4x1 tablets) vs. levocetirizine 15 mg (3x1 tablets) + hydroxyzine 50 mg (2 tablets) before night time sleep. 1 year No
Secondary Effect of the two regimens on urticaria symptoms To compare the effect of the two regimens on urticaria symptoms (number of wheals, pruritus severity 1 year No
Secondary Effect on night time sleep To compare the effect of the two regimens on the quality of night time sleep 1 year No
Secondary Effect on day time somnolence To compare the effect of the two regimens on the day time somnolence. 1 year Yes
Secondary The effect on blood eosinophil numbers, Na+, K+, ALAT, ASAT, ECG To document the effect of treatment with higher doses of levocetirizine or hydroxyzine on blood eosinophil numbers, Na+(sodium ion), K+(potassium ion), ALAT (Alanine transaminase), AST (Aspartate transaminase), ECG (Electrocardiogram) 1 year Yes
Secondary To assess adverse events To investigate safety by assessing the nature, incidence and severity of adverse events within the treatment groups 1 year Yes
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