E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Variegate Porphyria (VP)-related skin disease |
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E.1.1.1 | Medical condition in easily understood language |
protection against phototoxicity in VP |
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E.1.1.2 | Therapeutic area | Body processes [G] - Metabolic Phenomena [G03] |
MedDRA Classification |
E.1.3 | Condition being studied is a rare disease | Yes |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
determine whether afamelanotide implants can reduce the severity of the skin disease in patients with VP |
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E.2.2 | Secondary objectives of the trial |
Evaluate the safety and tolerability of afamelanotide in patients with VP. Evaluate the impact of afamelanotide on the quality of life of patients with VP. |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
Male or female patients with confirmed diagnosis of VP. Patients with VP-related skin symptoms assessed with a score equal or above 7 on the 11-point VAS IGA. Aged 18-70 years.
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E.4 | Principal exclusion criteria |
Known allergy to afamelanotide or the polymer or to lignocaine/lidocaine or other local anaesthetic. Had two or more acute attacks of hepatic porphyria lasting more than two days, within 12 months prior to the Screening period. History of certain malignant and premalignant skin lesions. Individual or family history of melanoma. Severe hepatic disease. Renal impairment (eGFR (MDRD) < 30 ml/min*1.73m2). Female who is pregnant or lactating. Females of child-bearing potential not using adequate contraceptive measures. Sexually active man with a partner of child-bearing potential who is not using adequate contraceptive measures. Not suitable for trial participation in the opinion of the Investigator.
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E.5 End points |
E.5.1 | Primary end point(s) |
E.5.1 Primary End Point (repeat as necessary) The change in severity from baseline to Days 28, 56, 84, 112, 140 and 168 and then from Day 168 to Day 196, as measured by the 11-point VAS IGA scale. |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
E.5.1 Primary End Point (repeat as necessary) The change in severity from baseline to Days 28, 56, 84, 112, 140 and 168 and then from Day 168 to Day 196, as measured by the 11-point VAS IGA scale. |
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E.5.2 | Secondary end point(s) |
E.5.2 Secondary End Point (repeat as necessary) - The change in severity from baseline to Days 28, 56, 84, 112, 140 and 168 and then from Day 168 to Day 196, as measured by: The 5-point IGA; The Patient’s Global Assessment using a VAS. - The change in the number of new skin lesions formed during the preceding 28 days from baseline to Days 28, 56, 84, 112, 140 and 168 then from Day 168 to Day 196 as counted by the Investigator. - The change in Quality of Life from baseline to Day 28, 56, 84, 112, 140 and 168 then from Day 168 to Day 196, as measured by the three instruments: WPAI:GH, VP-derived QOLEB, VP-QoL. - Change in outdoors light exposure over time (Daily Diary). Trauma events will be tabulated. |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
E.5.2 Secondary End Point (repeat as necessary) - The change in severity from baseline to Days 28, 56, 84, 112, 140 and 168 and then from Day 168 to Day 196, as measured by: The 5-point IGA; The Patient’s Global Assessment using a VAS. - The change in the number of new skin lesions formed during the preceding 28 days from baseline to Days 28, 56, 84, 112, 140 and 168 then from Day 168 to Day 196 as counted by the Investigator. - The change in Quality of Life from baseline to Day 28, 56, 84, 112, 140 and 168 then from Day 168 to Day 196, as measured by the three instruments: WPAI:GH, VP-derived QOLEB, VP-QoL. - Change in outdoors light exposure over time (Daily Diary). Trauma events will be tabulated. |
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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 | Yes |
E.6.3 | Therapy | Yes |
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 | Yes |
E.6.13.1 | Other scope of the trial description |
prevention of phototoxicity |
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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 | No |
E.8.1.1 | Randomised | No |
E.8.1.2 | Open | Yes |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | No |
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 | No |
E.8.2.3 | Other | No |
E.8.3 |
The trial involves single site in the Member State concerned
| Yes |
E.8.4 | The trial involves multiple sites in the Member State concerned | No |
E.8.5 | The trial involves multiple Member States | No |
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 |
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E.8.7 | Trial has a data monitoring committee | No |
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 | |
E.8.9.1 | In the Member State concerned months | 10 |
E.8.9.1 | In the Member State concerned days | |
E.8.9.2 | In all countries concerned by the trial months | 10 |