E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
mild to moderate ulcerative colitis |
Colite ulcerosa lieve-moderata |
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E.1.1.1 | Medical condition in easily understood language |
Ulcerative colitis (UC) is an chronic inflammatory disease of the colon with clinical symptoms of rectal bleeding and diarrhoea |
malattia infiammatoria dell'intestino caratterizzata da diarrea e sanguinamento |
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E.1.1.2 | Therapeutic area | Diseases [C] - Digestive System Diseases [C06] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 14.1 |
E.1.2 | Level | SOC |
E.1.2 | Classification code | 10017947 |
E.1.2 | Term | Gastrointestinal disorders |
E.1.2 | System Organ Class | 10017947 - Gastrointestinal disorders |
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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 |
The primary objective is to determine the time to response to K(D)PT, defined as the time from Day 0 to the earliest treatment visit at which a sustained improvement in CAI of ≥50% is determined (CAI scored according to Rachmilewitz, 1989) |
L'obiettivo principale è di determinare il tempo di risposta al K(D)PT, definito come il tempo dal giorno 0 alla visita più vicina alla quale viene riscontrato un miglioramento sostanziale dell'indice CAI pari o superiore al 50% (scala CAI Rachmilewitz, 1989) |
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E.2.2 | Secondary objectives of the trial |
To determine: • remission at Weeks 4, 8 and 12, defined as CAI ≤3. • response at Weeks 4, 8 and 12, defined as an improvement in CAI of ≥50% from Day 0. • improvement in CAI during the (total) treatment period defined as the area under the curve of CAI values from Day 1 until Week 8. • response at Week 8, defined as a decrease from baseline in Disease Activity Index (DAI) of 30% or more. • response at Week 8, defined as a change from baseline in endoscopy index (EI) of >1.5. • endoscopic remission, defined as flexible proctosigmoidoscopy score of 0at Week 8. • the improvement in faecal calprotectin concentration from baseline to Weeks 4, 8, and 12. • the improvement in C-reactive protein (CRP) from baseline to Weeks 4, 8, and 12. • the improvement in the score for Inflammatory Bowel Disease Questionnaire (IBDQ) from baseline to Weeks 8 and 12. • the incidence of adverse events. |
Determinare: • la remissione alle Settimane 4, 8 e 12, definite come CAI ≤3 . • la risposta alle Settimane 4, 8 e 12, definita come miglioramento CAI ≥50% dal Giorno 0. • un miglioramento CAI durante il trattamento definito come l’area sotto la curva dei valori CAI dal Giorno 1 fino alla Settimana 8. • la risposta alla Settimana 8, definita come riduzione nell’indice di attività della malattia del 30% o più. • la risposta alla Settimana 8, definita come cambiamento nell’Indice endoscopico di >1.5. • la remissione endoscopica, definita come punteggio alla proctosigmoidoscopia flessibile di 0 alla Settimana 8. • il miglioramento nella calprotectina fecale dal basale alle Settimane 4, 8 e 12. • il miglioramento nella PCR dal basale alle Settimane 4, 8 e 12 • il miglioramento nel punteggio dell’IBD dal basale alle Settimane 8 e 12 • l’incidenza di eventi avversi durante lo studio |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
.written informed consent. .males or females, aged 18 to 70 years (inclusive). .Females of childbearing potential must have a negative urine pregnancy test at screening and must agree to use adequate contraception until week 12. .Females of non-child bearing potential should be postmenopausal for >1 year or permanently sterilised. .Male patients must agree to use adequate contraception. .BMI ≥19 and ≤30 kg/m2. .Mild to moderately active UC proven by endoscopy and defined as a CAI of 6 to 12. .Pre-treatment of active ulcerative colitis with a stable dose of oral mesalazine, sulphasalazine or olsalazine for >4 weeks and/or azathioprine or 6-mercaptopurin for >3 months, or oral corticosteroids of ≤20 mg oral prednisolone or equivalent for >2 weeks. |
.Consenso Informato. .Pazienti da 18 a 70 compresi. .Donne in età fertile con test gravidanza neg. allo screening che accettano metodo contraccettivo adeguato fino a 12a settimana. .Donne non fertili in postmenopausa > 1 anno o sterilizzate. .Uomini uso di contraccezione adeguata. .BMI ≥19 e ≤30 Kg/m2. .CU lieve moderata attiva dimostrata con endoscopia e CAI compreso fra 6 e 12. .Pretrattamento CU con: mesalazina, sulfasalazina o olsalazina orale > 4 sett. e/o dose stabile azatioprina o 6-mercaptopurina > 3 mesi o dose stabile di cortocosteroidi orali ≤ 20 mg prednisolone o equivalente > 2 sett. |
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E.4 | Principal exclusion criteria |
1.Pregnant, planning to become pregnant during the study, or breast feeding females. 2.Previous participation in any clinical study with K(D)PT. 3.Crohn’s disease. 4.Treatment-naive. 5.Infectious diarrhoea within 14 days before or during the treatment period. 6.Indeterminate colitis. 7.Significantly impaired liver, renal, pulmonary or cardiovascular function. 8.Use of antibiotics within 4 weeks before or during the treatment period. 9.Use of E. coli Nissle within 4 weeks before or during the treatment period. 10.Previous use of cyclosporine, anti-TNF therapy (e.g. infliximab) or tacrolimus at any time. 11.Any rectal therapy four weeks before or during the treatment period. 12.Use of corticosteroids >20 mg oral prednisolone or equivalent. 13.Use of methotrexate within 3 months before or during the treatment period. 14.Use of anti-diarrhoeal drugs within 2 weeks before or during the treatment period. 15.Effective anti-coagulation therapy (e.g. Marcumar) or severe grade coagulation defects. 16.Any clinically relevant abnormal findings at screening, vital signs or ECG which, in the opinion of the investigator, may put the patient at risk because of his or her participation in the study. 17.History of any clinically significant disease or disorder which, in the opinion of the investigator, may either put the patient at risk because of participation in the study, or could influence the results, or the patient’s ability to participate in the study. 18.History of or current alcohol or drug abuse, as judged by the investigator. 19.Participation in another investigational drug study within 3 months before first administration of study medication. 20.Donation of blood within 3 months, or donation of plasma within 2 weeks, before the first administration of study medication. 21.Proctitis (≤5 cm). 22.QTcF >450 ms or <350 ms or QT >500 ms or other relevant ECG abnormality as judged by the investigator. 23.History of pathological skin condition. 24.Known intolerance to methylparaben or propylparaben. 25.Known intolerance to any other excipient of the investigational medicinal product (IMP). 26.Positive history of hepatitis B and/or C and/or history of human immunodeficiency virus (HIV). 27.Planned surgery or hospitalisation during the study. 28.Patients who, in the opinion of the investigator, should not participate in the study. 29.Patients unable to understand informed consent. |
1.Donne in stato di gravidanza, che stanno pianificando una gravidanza durante lo studio o in allattamento. 2.Precedente partecipazione in qualsiasi studio clinico con K(D)PT. 3.Malattia di Crohn. 4.Senza trattamenti precedenti. 5.Diarrea infettiva nei 14 giorni precedenti o durante il periodo di trattamento. 6.Colite di natura non determinata. 7.Significativa compromissione della funzionalità epatica, renale, polmonare o cardiovascolare. 8.Uso di antibiotici nelle 4 settimane precedenti o durante il periodo di trattamento. 9.Uso di E. coli Nissle nelle 4 settimane precedenti o durante il periodo di trattamento. 10.Uso precedente di ciclosporina, terapia anti-TNF (per esempio infliximab) o tacrolimus in qualsiasi momento. 11.Qualsiasi terapia rettale quattro settimane prima o durante il periodo di trattamento. 12.Uso di corticosteroidi >20 mg prednisolone orale o equivalente. 13.Uso di metotrexato entro 3 mesi prima o durante il periodo di trattamento. 14.Uso di farmaci antidiarroici entro 2 settimane prima o durante il periodo di trattamento. 15.Efficace terapia anticoagulante (per esempio Marcumar) o gravi difetti di coagulazione. 16.Qualsiasi referto anomalo clinicamente rilevante allo screening, segni vitali o ECG che, a giudizio dello sperimentatore, possano esporre il soggetto a rischi a causa della sua partecipazione allo studio. 17.Storia di qualsiasi patologia o disturbo clinicamente significativo che, a giudizio dello sperimentatore, potrebbero esporre il soggetto a rischi a causa della sua partecipazione allo studio o potrebbero influenzare i risultati o la capacità del soggetto a partecipare allo studio. 18.Abuso presente o passato di alcool o droghe, a giudizio dello sperimentatore. 19.Partecipazione a un altro studio su un farmaco sperimentale nei 3 mesi precedenti la prima somministrazione del farmaco di studio. 20.Donazione di sangue nei 3 mesi o donazione di plasma nelle 2 settimane precedenti la prima somministrazione del farmaco di studio. 21.Proctite (≤5 cm). 22.QTcF >450 ms o <350 ms o QT >500 ms o altra anomalia ECG rilevante a giudizio dello sperimentatore. 23.Storia di condizione cutanea patologica. 24.Nota intolleranza a metilparaben o propilparaben. 25.Nota intolleranza a uno qualsiasi degli altri eccipienti del farmaco sperimentale (IMP). 26.Storia positiva di epatite B e/o C e/o storia di virus dell’immunodeficienza umana (HIV). 27.Intervento chirurgico o ricovero pianificati durante lo studio. 28.Pazienti che, a giudizio dello sperimentatore, non dovrebbero partecipare allo studio. 29.Pazienti non in grado di comprendere il consenso informato. |
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E.5 End points |
E.5.1 | Primary end point(s) |
The primary endpoint is the time to sustained response to study medication, where response is defined as an improvement in CAI of ≥50% from Day 0 (CAI scored according to Rachmilewitz, 1989). |
L'Endpoint primario è il tempo per ottenere una risposta soddisfacente alla terapia medica dove la risposta è definita come un miglioramento nell'indice CAI pari o superiore al 50% dal giorno 0 (puntegio CAI secondo Rachmilewitz 1989). |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
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E.5.2 | Secondary end point(s) |
Frequency of remission, defined as CAI <-3 (CAI scored according to Rachmilewitz,1989), at Weeks 4, 8 and 12. • Response to study medication at Weeks 4, 8 and 12, where response is defined as an improvement in CAI of >-50% (CAI scored according to Rachmilewitz, 1989). • Area under the curve for the change from baseline in CAI scores during the (total) treatment period from Day 1 until Week 8 (CAI scored according to Rachmilewitz, 1989). • Frequency of response rates at Week 8 with response defined as decrease from baseline in DAI of 30% or more (DAI scored according to Mayo Score, as defined in Schroeder et al., 19877). • Frequency of response rates at Week 8 with response defined as change from baseline in EI of >1.5 (according to Mayo Score, as defined in Schroeder et al., 19877; flexible proctosigmoidoscopy assessment). • Frequency of patients with endoscopic remission (patients with a flexible proctosigmoidoscopy score of 0 at Week 8). • Change from baseline to Weeks 4, 8, and 12 in faecal calprotectin concentrations. • Change from baseline to Weeks 4, 8, and 12 in CRP concentrations. • Change from baseline to Week 8 and 12 in IBDQ scores. |
.Frequenza di remissione definita come CAI pari o inf. a 3 alla settimana 4, 8 e 12. .Risposta alla terapia in studio alla settimana 4, 8 e 12 (miglioramento del CAI pari o sup. al 50%. .Area sotto la Curva della variazione nel punteggio CAI dal giorno 1 fino alla settimana 8. .Percentuale di risposta alla 8a settimana dove la risposta viene definita come riduzione dal basale nell’indice di attività della malattia (DAI) del 30% o superiore. .Percentuale di risposta alla 8a settimana dove la risposta viene definita come cambiamento dal basale nell’Indice endoscopico (EI) di >1.5. .Frequenza di pazienti con remissione endoscopica (punteggio 0 alla 8a settimana). .Variazione della concentrazione fecale di calprotectina dal baseline alla settimana 4, 8 e 12. .Variazione della concentrazione di PCR dal baseline alla settimana 4, 8 e 12. .Variazione della IBDQ dal baseline alla settimana 4, 8 e 12. |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
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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 | 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) | No |
E.8.2.2 | Placebo | Yes |
E.8.2.3 | Other | Yes |
E.8.2.3.1 | Comparator description |
- Stesso farmaco ad altro dosaggio |
- same IMP used at different dosage |
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E.8.2.4 | Number of treatment arms in the trial | 4 |
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 | 4 |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 40 |
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 | 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 | 0 |
E.8.9.1 | In the Member State concerned months | 18 |
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 | 18 |
E.8.9.2 | In all countries concerned by the trial days | 0 |