| E.1 Medical condition or disease under investigation | 
| E.1.1 | Medical condition(s) being investigated | 
| Patients affected by seborrheic dermatitis. |  
| Pazienti affetti da dermatite seborroica. |  | 
| E.1.1.1 | Medical condition in easily understood language | 
| Patients affected by seborrheic dermatitis. |  
| Pazienti affetti da dermatite seborroica. |  | 
| 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 | 21.1 |  
| E.1.2 | Level | PT |  
| E.1.2 | Classification code | 10039793 |  
| E.1.2 | Term | Seborrhoeic dermatitis |  
| 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 | 
| The primary objective is the non-inferiority evaluation of the efficacy of Nicotinamide DS cream compared to 1% cream Ciclopirox olamine in reducing lesions in patients affected by seborrheic dermatitis estimated with the percentage of patients with lowering of the SASI index. |  
| La valutazione di non inferiorità dell’efficacia di Nicotinamide DS crema rispetto al Ciclopirox olamina al 1% crema nella riduzione delle lesioni nei pazienti affetti da dermatite seborroica stimata con la percentuale dei pazienti che hanno avuto un abbassamento nei valori dell’indice SASI. |  | 
| E.2.2 | Secondary objectives of the trial | 
| 1. Amount of variation in SASI index. 2. Quality of life evaluation (Dermatology Life Quality Index - DLQI).
 3. Evaluation of Malassezia colonization.
 4. Evaluation of Staphylococcus epidermidis.
 5. Itch evaluation Static(VAS scale).
 6. Itch evaluation dynamic (Dynamic Pruritus Score).
 7. S/AE or S/ADE.
 8. Evaluation of dermoscopic pattern using super high magnification dermoscopy(400X)
 |  
| 1. Variazione dell'indice SASI. 2. Valutazione della qualità della vita (Dermatology Life Quality Index - DLQI).
 3. Valutazione della colonizzazione di Malassezia.
 4. Valutazione di Staphylococcus epidermidis.
 5. Valutazione del prurito Statico (VAS Score).
 6. Valutazione del prurito dinamico (Dynamic Pruritus Score).
 7. S / AE o S / ADE.
 8. Valutazione del modello dermoscopico mediante dermoscopia ad altissimo ingrandimento (400X).
 |  | 
| E.2.3 | Trial contains a sub-study | No | 
| E.3 | Principal inclusion criteria | 
| 1.	Male and female, = 18 years; 2.	Established diagnosis of seborrheic dermatitis of the face and scalp;
 3.	Able to co-operate and understand written and oral information;
 4.	Written informed consent.
 |  
| 1.	Pazienti di sesso maschile e femminile, di età compresa =18 anni; 2.	Diagnosi conclamata di dermatite seborroica del viso e cuoio capelluto;
 3.	In grado di cooperare e comprendere informazioni scritte e orali;
 4.	Consenso informato firmato.
 |  | 
| E.4 | Principal exclusion criteria | 
| 1. Concomitant dermatological diseases (eg acne, rosacea, contact dermatitis) 2. Recent use of treatments for seborrheic dermatitis (2 weeks for topical treatments; 4 weeks for systemic treatments);
 3. Hypersensitivity to the active substance or to any of the excipients;
 4. Established diagnosis of Actinic keratosis;
 5. Established diagnosis of Parkinson;
 6. Established diagnosis of HIV infection;
 7. Use of immunesuppressant medications since last three months;
 8. Established diagnosis of cardiac diseases;
 9. Established diagnosis of alcoholic pancreatitis;
 10. Established diagnosis of other neurological diseases;
 11. Established diagnosis of Diabetic;
 12. Pregnancy (positive pregnancy test for women of childbearing potential) and lactation;
 13. Participation in any other clinical Study within 3 months prior to screening.
 |  
| 1.	Malattie dermatologiche concomitanti (es. acne, rosacea, dematiti da contatto) 2.	Recente uso di trattamenti per la dermatite seborroica (2 settimane per trattamenti topici; 4 settimane per trattamenti sistemici);
 3.     Ipersensibilità al principio attivo o ad uno qualsiasi degli ecipienti;
 4.	Diagnosi conclamata di Cheratosi attinica;
 5.	Diagnosi conclamata di Parkinson;
 6.	Diagnosi conclamata di infezione da HIV;
 7.	Uso di farmaci immunosoppressori dagli ultimi 3 mesi;
 8.	Diagnosi conclamata di malattie cardiache;
 9.	Diagnosi conclamata di pancreatite alcolica;
 10.	Diagnosi conclamata di altre malattie neurologiche;
 11.	Diagnosi conclamata di Diabete;
 12.	Gravidanza (test di gravidanza positivo per le donne potenzialmente fertili) e allattamento;
 13.	Partecipazione a qualsiasi altro studio clinico nei 3 mesi precedenti lo Screening.
 |  | 
| E.5 End points | 
| E.5.1 | Primary end point(s) | 
| Percentage of subject with better SASI index. |  
| Percentuale di soggetto con un migliore indice SASI. |  | 
| E.5.1.1 | Timepoint(s) of evaluation of this end point |  | 
| E.5.2 | Secondary end point(s) | 
| 1. Amount of variation in SASI index. 2. Dermatology Life Quality Index (DLQI).
 3. Evaluation of Malassezia colonization.
 4. Evaluation of Staphylococcus epidermidis.
 5. VAS scale.
 6. Dynamic Pruritus Score.
 7. S/AEs and S/ADEs.
 8. Evaluation of dermoscopic pattern using super high magnification dermoscopy (400X)
 |  
| 1.	Variazione dell'indice SASI. 2.	Indice di qualità della vita dermatologica (DLQI).
 3.	Valutazione della colonizzazione di Malassezia.
 4.	Valutazione di Staphylococcus epidermidis.
 5.	Scala VAS
 6.	Dynamic Pruritus Score.
 7.	S / AE e S / ADE.
 8.	Valutazione del modello dermoscopico mediante dermoscopia ad altissimo ingrandimento (400X).
 |  | 
| E.5.2.1 | Timepoint(s) of evaluation of this end point | 
| The efficacy end points will be evaluated during Visit V1. Maintenance and safety end points will be measured during the Visit V2.
 |  
| Gli end point di efficacia saranno misurati durante la Visita V1. Gli end point di mantenimento e sicurezza saranno misurati durante la Visita V2.
 |  | 
| 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 | No | 
| 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) | No | 
| E.7.3 | Therapeutic confirmatory (Phase III) | No | 
| E.7.4 | Therapeutic use (Phase IV) | Yes | 
| E.8 Design of the trial | 
| E.8.1 | Controlled | Yes | 
| E.8.1.1 | Randomised | Yes | 
| 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 | Yes | 
| 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) | Yes | 
| E.8.2.2 | Placebo | No | 
| 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 | Yes | 
| E.8.4.1 | Number of sites anticipated in Member State concerned | 3 | 
| 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 | No | 
| E.8.6.2 | Trial being conducted completely outside of the EEA | Information not present in EudraCT | 
| 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 | 
| The Study is considered closed when all the e-CRFs are satisfactorily completed and the database is finally locked. |  
| Lo studio è considerato chiuso quando tutti gli e-CRF sono completati in modo soddisfacente e il database è finalmente bloccato. |  | 
| 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 | 9 | 
| 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 | 9 | 
| E.8.9.2 | In all countries concerned by the trial days | 0 |