E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Chronic Inducible Urticaria |
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E.1.1.1 | Medical condition in easily understood language |
Long-lasting hives with an unknown cause |
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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 | 23.0 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10012499 |
E.1.2 | Term | Dermatographic urticaria |
E.1.2 | System Organ Class | 100000004858 |
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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 evaluate the efficacy of different dose regimens of CDX-0159 compared to placebo, in achieving a negative provocation test in patients with H1AH refractory CIndU in each subtype (ColdU and SD). |
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E.2.2 | Secondary objectives of the trial |
•To evaluate efficacy of different dose regimens of CDX-0159 compared to placebo, in improving provocation thresholds and itch triggered by provocation test in each CIndU subtype. •To evaluate efficacy of different dose regimens of CDX-0159 compared to placebo, in achieving a negative provocation test and improving itch triggered by provocation test in combined CIndU patients. •To evaluate the safety profile of different dose regimens of CDX-0159 compared to placebo, in each CIndU subtype, and combined CIndU patients.
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
1.Males and females, >/= 18 years of age. 2.Diagnosis of ColdU or SD >/= 3 months. 3.Diagnosis of chronic ColdU or SD despite the use of a stable regimen of second generation non-sedating H1-antihistamine as defined by: a.The presence of recurrent pruritic wheals with or without angioedema for >/= 6 weeks at any time prior to Visit 1 despite the use of H1 antihistamines. b.Must be on a stable regimen of second generation non-sedating H1-antihistamine for >/= 4 weeks prior to study treatment. c.UCT of < 12 during the 14 days prior to treatment. 4.Both males and females of child-bearing potential must agree to use highly effective contraceptives during the study and for 150 days after treatment. 5.Willing and able to complete a daily symptom electronic diary and comply with study visits.
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E.4 | Principal exclusion criteria |
1.Women who are pregnant or nursing. 2.Chronic spontaneous urticaria or other forms of CIndU besides ColdU or SD. 3.Active, pruritic skin condition in addition to CIndU. 4.Medical condition that would cause additional risk or interfere with study procedures. 5.Known HIV, hepatitis B or hepatitis C infection. 6.Vaccination of a live vaccine within 2 months prior to study treatment (subjects must agree to avoid vaccination during the study). Inactivated vaccines are allowed such as seasonal influenza injection or COVID-19 vaccine. 7.History of anaphylaxis |
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E.5 End points |
E.5.1 | Primary end point(s) |
•Proportion (%) of patients with a negative provocation test at Week 12 in the ColdU subtype cohort oFor ColdU patients, a negative provocation test is defined as absence of wheals at the provocation site within 10 min after provocation using TempTest® •Proportion (%) of patients with a negative provocation test at Week 12 in the SD subtype cohort oFor SD patients, a negative provocation test is defined as absence of wheals at the provocation site within 10 min after provocation using the FricTest®
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E.5.2 | Secondary end point(s) |
•Mean change from baseline to Week 12 in CTT in the ColdU subtype cohort •Mean change from baseline to Week 12 in CFT in the SD subtype cohort •Mean change from baseline to Week 12 in WI-NRSprovo in the ColdU subtype cohort •Mean change from baseline to Week 12 in WI-NRSprovo in the SD subtype cohort •Proportion (%) of patients with a negative provocation test at Week 12 in the combined CIndU subtype cohorts •Mean change from baseline to Week 12 in WI-NRSprovo in the combined CIndU subtype cohorts •Proportion (%) of patients experiencing TEAEs over the 20-week treatment period by subtype cohort and in the combined CIndU subtype cohorts
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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 | No |
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 | 2 |
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 | No |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 75 |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | Yes |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.6.3 | If E.8.6.1 or E.8.6.2 are Yes, specify the regions in which trial sites are planned |
South Africa |
United States |
Estonia |
Poland |
Bulgaria |
Spain |
Germany |
Belgium |
Georgia |
Hungary |
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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
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E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 1 |
E.8.9.1 | In the Member State concerned months | 11 |
E.8.9.1 | In the Member State concerned days | |
E.8.9.2 | In all countries concerned by the trial years | 1 |
E.8.9.2 | In all countries concerned by the trial months | 11 |