E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
|
E.1.1.1 | Medical condition in easily understood language |
Cutaneous condition characterized by wheals, and occurs in rainy, windy weather, and after contact with cold objects |
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E.1.1.2 | Therapeutic area | Diseases [C] - Skin and Connective Tissue Diseases [C17] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 14.1 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10009869 |
E.1.2 | Term | Cold urticaria |
E.1.2 | System Organ Class | 10040785 - Skin and subcutaneous tissue disorders |
|
E.1.3 | Condition being studied is a rare disease | No |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
To assess the effects of rupatadine 20 mg and 40 mg on symptom
development during the induction of skin lesions in CCU patients
challenged with defined temperatures using Temptest® 3.0 |
|
E.2.2 | Secondary objectives of the trial |
To assess the effects of rupatadine on mast cell mediator release in blood during the induction of skin lesions in CCU patients challenged with cold water bath provocation with defined temperatures. Mediator measurements will include histamine and other mast cell-derived inflammation markers (e.g. PAF/LysoPAF, PGD2)
To assess the effect of rupatadine on mast cell activation in the skin of CCU patients
To assess the safety and tolerability of rupatadine |
|
E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
• Informed consent signed and dated.
• Reliable method of contraception for women of childbearing potential during the study and 3 months thereafter.
• Outpatients with CCU for more than 6 weeks confirmed by
positive response with wheal and itch on Temptest®.
• Age 18 and above years.
• No participation in other clinical trials 1 month before and after
participation in this study. |
|
E.4 | Principal exclusion criteria |
• Subjects who are inmates of psychiatric wards, prisons, or other state institutions. Existing or planned placement in an institution after ruling according to § 40 passage 1, number 4 AMG (Arzneimittelgesetz).
• The presence of permanent severe diseases, especially those affecting the immune system, except urticaria and cold urticaria.
• The presence of permanent gastrointestinal condition which may
influence the oral therapy (chronic diarrhoea diseases, congenital
malformations or surgical mutilations of gastrointestinal tract).
• History or presence of epilepsy, significant neurological disorders,
cerebrovascular attacks or ischemia.
• History or presence of myocardial infarction or cardiac arrhythmia
which requires drug therapy.
• ECG alterations of repolarisation (QTc prolongations > 450ms).
• Blood pressure >180/100 mmHg and/or heart rate >100/min.
• Evidence of significant hepatic or renal disease (GOT and/or GPT 3 times above the upper reference value, serum creatinine 1.5 times above the upper reference value).
• History of hypersensitivity or allergic reaction to rupatadine or any other antihistamine compounds.
• Presence of active cancer which requires chemotherapy or radiation therapy.
• Presence of lactose and galactose intolerance or glucose-galactose malabsorption.
• Simultaneous chronic spontaneous or physical urticaria that could interfere CCU clinical assessment.
• Intake of antihistamines or antileukotrienes within 7 days before
beginning of the study.
• Intake of oral or depot corticosteroids within 14 days prior to
screening visit.
• Use of systemic immunosupressants/immunomodulators like
cyclosporine A, dapsone, methotrexate, mycophenolate, chloroquine, and comparable drugs within 28 days prior to screening visit.
• Use of ketoconazole, erythromycin or potential inhibitors of the
isoenzyme CYP3A4 of the cytochrome P450.
• Currently abusing drugs or alcohol.
• Unwilling or unable to comply with the protocol.
• Pregnancy or breast-feeding. |
|
E.5 End points |
E.5.1 | Primary end point(s) |
- Change in critical stimulation time thresholds (CSTT) and critical
temperature thresholds (CTT) after treatment with different dosages of rupatadine (20 mg and 40 mg) measured by Temptest® 3.0 |
|
E.5.1.1 | Timepoint(s) of evaluation of this end point |
Visit 2, Visit 3, Visit 4, Visit 5 |
|
E.5.2 | Secondary end point(s) |
- Change in mast cell mediator release, including histamine,
PAF/LysoPAF and PGD2 after treatment with rupatadine (20 and 40 mg) compared to placebo
- Change in mast cell activation (measured by intracutaneous codeine,histamine, PAF and saline injection)
- Safety and tolerability: This includes physical examination, routine safety laboratory assessments, clinical observation, vital signs and adverse event reporting |
|
E.5.2.1 | Timepoint(s) of evaluation of this end point |
Visit 3, Visit 4, Visit 5 |
|
E.6 and E.7 Scope of the trial |
E.6 | Scope of the trial |
E.6.1 | Diagnosis | No |
E.6.2 | Prophylaxis | No |
E.6.3 | Therapy | No |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | No |
E.6.7 | Pharmacodynamic | No |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | No |
E.6.10 | Pharmacogenetic | No |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | No |
E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | No |
E.7.1.1 | First administration to humans | No |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | No |
E.7.1.3.1 | Other trial type description | |
E.7.2 | Therapeutic exploratory (Phase II) | Yes |
E.7.3 | Therapeutic confirmatory (Phase III) | No |
E.7.4 | Therapeutic use (Phase IV) | No |
E.8 Design of the trial |
E.8.1 | Controlled | Yes |
E.8.1.1 | Randomised | Yes |
E.8.1.2 | Open | No |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | Yes |
E.8.1.5 | Parallel group | No |
E.8.1.6 | Cross over | Yes |
E.8.1.7 | Other | No |
E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | No |
E.8.2.2 | Placebo | Yes |
E.8.2.3 | Other | No |
E.8.2.4 | Number of treatment arms in the trial | 6 |
E.8.3 |
The trial involves single site in the Member State concerned
| No |
E.8.4 | The trial involves multiple sites in the Member State concerned | Yes |
E.8.4.1 | Number of sites anticipated in Member State concerned | 1 |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 2 |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | No |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.7 | Trial has a data monitoring committee | Yes |
E.8.8 |
Definition of the end of the trial and justification where it is not the last
visit of the last subject undergoing the trial
|
|
E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 0 |
E.8.9.1 | In the Member State concerned months | 7 |
E.8.9.1 | In the Member State concerned days | 0 |
E.8.9.2 | In all countries concerned by the trial years | 0 |
E.8.9.2 | In all countries concerned by the trial months | 7 |
E.8.9.2 | In all countries concerned by the trial days | 0 |