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A Trial to Investigate PALI-2108 Versus Placebo in Participants With Moderately to Severely Active Ulcerative Colitis (ASCENTRA-UC)

20 ottobre 2026 aggiornato da: Palisade Bio

A Phase 2, Multicenter, Randomized, Double-Blind, Placebo-Controlled, Dose Ranging Study to Evaluate the Efficacy, Safety, Pharmacokinetics, and Pharmacodynamics of Induction and Maintenance Therapy With PALI-2108 in Participants With Moderately to Severely Active Ulcerative Colitis

The ASCENTRA-UC study is a phase 2 study testing PALI-2108 in patients with moderate to severe ulcerative colitis. Doses of drug will be compared against a placebo to see how well it works, how safe it is, and how the body responds to it.

Panoramica dello studio

Stato

Reclutamento

Condizioni

Intervento / Trattamento

Tipo di studio

Interventistico

Iscrizione (Stimato)

204

Fase

  • Fase 2

Contatti e Sedi

Questa sezione fornisce i recapiti di coloro che conducono lo studio e informazioni su dove viene condotto lo studio.

Luoghi di studio

    • Alberta
      • Calgary, Alberta, Canada, T2N 4L7
      • Edmonton, Alberta, Canada, T6K 4E8
    • Ontario
      • Greater Sudbury, Ontario, Canada, P3C1X3
      • London, Ontario, Canada, N6K 1M6
      • Scarborough Village, Ontario, Canada, M1B3V4
    • Quebec
      • Montreal, Quebec, Canada, H1T 2M4
      • Montreal, Quebec, Canada, H2X 3E4
      • Brno, Cechia, 602 00
      • Brno, Cechia, 615 00
      • Havířov, Cechia, 736 01
      • Hradec Králové, Cechia, 500 12
      • Prague, Cechia, 150 00
      • Slaný, Cechia, 274 01
      • Amiens, Francia, 80000
      • Clermont-Ferrand, Francia, 63003
      • Neuilly-sur-Seine, Francia, 92200
      • Nice, Francia, 06200
      • Saint-Priest-en-Jarez, Francia, 42270
    • Quebec
      • Batumi, Quebec, Georgia, 6010
      • Tbilisi, Quebec, Georgia, 0102
      • Tbilisi, Quebec, Georgia, 0144
      • Tbilisi, Quebec, Georgia, 0159
      • Tbilisi, Quebec, Georgia, 0160
      • Tbilisi, Quebec, Georgia, 0178
      • Tbilisi, Quebec, Georgia, 0180
      • Tbilisi, Quebec, Georgia, 0180
      • Bari, Italia, 70124
      • Bologna, Italia, 40138
      • Matera, Italia, 75100
      • Negrar, Italia, 37024
      • Rome, Italia, 00128
      • Rome, Italia, 00133
        • Non ancora reclutamento
        • Site IT-003
        • Contatto:
      • Rome, Italia, 00168
      • Rozzano, Italia, 20089
      • San Giovanni Rotondo, Italia, 71013
      • Turin, Italia, 10126
      • Liepāja, Lettonia, LV-3414
      • Riga, Lettonia, LV-1002
      • Riga, Lettonia, LV-1012
      • Bydgoszcz, Polonia, 85-794
      • Elblag, Polonia, 82-300
      • Katowice, Polonia, 40-748
      • Kielce, Polonia, 25-375
      • Krakow, Polonia, 30-363
      • Krakow, Polonia, 31-228
      • Kłodzko, Polonia, 57-300
      • Lodz, Polonia, 91-495
      • Lublin, Polonia, 20-582
      • Nowy Targ, Polonia, 34-400
      • Opole, Polonia, 45-819
      • Poznan, Polonia, 60-529
      • Sopot, Polonia, 81-756
      • Staszów, Polonia, 28-200
      • Szczecin, Polonia, 71-434
      • Szczecin, Polonia, 71-685
      • Torun, Polonia, 87-100
      • Tychy, Polonia, 43-100
      • Warsaw, Polonia, 00-189
      • Warsaw, Polonia, 04-501
      • Wroclaw, Polonia, 52-416
      • Wroclaw, Polonia, 53-611
      • Bucharest, Romania, 020125
      • Bucharest, Romania, 021967
      • Constanța, Romania, 900663
      • Ploieşti, Romania, 100032
      • Timișoara, Romania, 300002
      • Timișoara, Romania, 300239
      • Belgrade, Serbia, 11 000
      • Belgrade, Serbia, 11 080
      • Belgrade, Serbia, 11000
      • Leskovac, Serbia, 16000
      • Užice, Serbia, 31000
      • Zrenjanin, Serbia, 23 000
      • Banská Bystrica, Slovacchia, 975 17
      • Košice, Slovacchia, 040 13
      • Prešov, Slovacchia, 080 01
      • Prešov, Slovacchia, 080 01
      • Zvolen, Slovacchia, 960 01
    • Arizona
      • Sun City, Arizona, Stati Uniti, 85351
    • California
      • San Diego, California, Stati Uniti, 92103
    • Connecticut
      • Bristol, Connecticut, Stati Uniti, 06010
    • Florida
      • Orlando, Florida, Stati Uniti, 32825
    • Illinois
      • Des Plaines, Illinois, Stati Uniti, 60016
      • Glenview, Illinois, Stati Uniti, 60026
      • Gurnee, Illinois, Stati Uniti, 60031
    • Louisiana
      • Baton Rouge, Louisiana, Stati Uniti, 70809
      • Mandeville, Louisiana, Stati Uniti, 70471
    • Mississippi
      • Tupelo, Mississippi, Stati Uniti, 38801
    • Missouri
      • St Louis, Missouri, Stati Uniti, 63141
    • New Jersey
      • Clifton, New Jersey, Stati Uniti, 07013
    • New York
      • Albany, New York, Stati Uniti, 12206
      • Rochester, New York, Stati Uniti, 14618
    • Ohio
      • Brunswick, Ohio, Stati Uniti, 44212
      • Dayton, Ohio, Stati Uniti, 45415
      • Westlake, Ohio, Stati Uniti, 44145
    • Rhode Island
      • Providence, Rhode Island, Stati Uniti, 02905
    • Tennessee
      • Cordova, Tennessee, Stati Uniti, 38018
    • Texas
      • Garland, Texas, Stati Uniti, 75044
      • Georgetown, Texas, Stati Uniti, 78628
      • Houston, Texas, Stati Uniti, 77024
      • Lubbock, Texas, Stati Uniti, 79424
      • Mansfield, Texas, Stati Uniti, 760063
      • Southlake, Texas, Stati Uniti, 76092
      • Tyler, Texas, Stati Uniti, 75701
    • Virginia
      • Richmond, Virginia, Stati Uniti, 23229
    • Washington
      • Bellevue, Washington, Stati Uniti, 98004
      • Tacoma, Washington, Stati Uniti, 98405
    • Wisconsin
      • Milwaukee, Wisconsin, Stati Uniti, 53215
      • Budapest, Ungheria, 1024
      • Budapest, Ungheria, H-1062
      • Budapest, Ungheria, H-1088
      • Debrecen, Ungheria, H-4025
      • Gyöngyös, Ungheria, H-3200
      • Tatabánya, Ungheria, H-2800
      • Veszprém, Ungheria, 8200

Criteri di partecipazione

I ricercatori cercano persone che corrispondano a una certa descrizione, chiamata criteri di ammissibilità. Alcuni esempi di questi criteri sono le condizioni generali di salute di una persona o trattamenti precedenti.

Criteri di ammissibilità

Età idonea allo studio

Da 18 anni a 75 anni (Adulto, Adulto più anziano)

Accetta volontari sani

No

Sessi ammissibili allo studio

Tutto

Descrizione

Key Inclusion Criteria:

  • Documented clinical diagnosis of UC for ≥ 3 months prior to Screening. The diagnosis of UC must be confirmed by endoscopic and histologic evidence.

    • If a histopathology report is not available in the source records, a biopsy for a local histopathology evaluation (to obtain a report) can be obtained during the screening endoscopy procedure.
  • Moderately to severely active UC, defined as:

    • mMS of 5 to 9 (inclusive), AND
    • ES ≥ 2, AND
    • RB ≥ 1.
  • Participants must satisfy at least one of the criteria listed under item a OR at least one of the criteria listed under item b:

    a. History of inadequate response or loss of response, or intolerance to at least one prior UC therapy, defined as: i. Oral prednisone ≥ 40 mg/day (or equivalent) or budesonide ≥ 9 mg/day for ≥ 2 weeks.

ii. Corticosteroid dependence: unable to taper < 10 mg/day prednisone equivalent within 3 months, or relapse within 3 months of discontinuation.

iii. Immunosuppressants: azathioprine ≥ 2 mg/kg/day, 6-mercaptopurine (6-MP) ≥ 1.0 mg/kg/day (or therapeutic 6-thioguanine nucleotide [6-TGN] level) for ≥ 12 weeks, or methotrexate ≥ 15 mg/week subcutaneous or intramuscular.

iv. Approved advanced therapies at the approved labelled dose:

  1. Anti-tumor necrosis factor (TNF), anti-integrin (vedolizumab), or anti-IL-12/23 for at least 8 weeks; anti-IL 23 for at least 12 weeks.
  2. Janus kinase (JAK) inhibitor for at least 8 weeks; sphingosine-1-phosphate receptor (S1PR) modulator for at least 12 weeks.

Note: Demonstration of intolerance requires no minimum dose nor duration of use.

b. Currently receiving one or more of the following treatments: i. Stable oral prednisone at ≤ 20 mg/day (or equivalent) or budesonide ≤ 9 mg for ≥ 2 weeks prior to randomization.

ii. Stable dose of thiopurine (azathioprine or 6-MP) for ≥ 4 weeks prior to randomization, and have started the treatment ≥ 12 weeks prior to randomization.

iii. Stable dose of oral aminosalicylates for ≥ 2 weeks prior to randomization.

Key Exclusion Criteria:• Diagnosis of Crohn's disease or IBD-Unclassified (IBD-U; indeterminate colitis) or a history of ischemic colitis or radiation colitis.

  • UC limited to rectum (< 15 cm from anal verge).
  • Any prior history of suicidal behavior (actual, interrupted, aborted attempt, or preparatory acts).
  • Columbia-Suicide Severity Rating Scale (C-SSRS) suicidal ideation type 4 or 5, or any active suicidal ideation with some intent to act.
  • Severe depression at Screening based on a validated scale threshold (e.g., Patient Health Questionnaire-9 [PHQ-9] ≥ 20, or PHQ-9 item 9 > 0) at Screening.
  • Failure or intolerance of > 3 classes of approved advanced therapies or > 4 approved individual advanced therapies.

Piano di studio

Questa sezione fornisce i dettagli del piano di studio, compreso il modo in cui lo studio è progettato e ciò che lo studio sta misurando.

Come è strutturato lo studio?

Dettagli di progettazione

  • Scopo principale: Trattamento
  • Assegnazione: Randomizzato
  • Modello interventistico: Assegnazione parallela
  • Mascheramento: Quadruplicare

Armi e interventi

Gruppo di partecipanti / Arm
Intervento / Trattamento
Sperimentale: PALI-2108 Dose 1

15mg QD

Oral Dose

Sperimentale: PALI-2108 Dose 2

30mg QD

Oral Dose

Comparatore placebo: Placebo

QD

Oral Dose

Cosa sta misurando lo studio?

Misure di risultato primarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Proportion of participants with clinical remission using the 3-component modified Mayo Score (mMS) at Week 12.
Lasso di tempo: Week 12

The Modified Mayo Score (MMS) is a composite score of ulcerative colitis (UC) disease activity on a scale of increasing severity from 0-9, calculated by summing three subscores: Endoscopic subscore (ES), scored on a scale of increasing severity from 0 (normal or inactive disease) to 3 (severe disease, such as spontaneous bleeding or ulceration); Stool frequency subscore (SFS), scored on a scale of increasing frequency from 0 (normal number of stools) to 3 (≥5 stools more than normal per day for the participant); and rectal bleeding subscore (RBS), scored on a scale of increasing severity from 0 (no blood seen) to 3 (blood alone passed). Clinical Remission is defined as an ES of 0 or 1, RBS of 0, and SFS of 0 or 1 and not greater than the baseline SFS.

Week 12

Misure di risultato secondarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Proportion of participants with clinical response using 3-component mMS at Week 12.
Lasso di tempo: At 12 weeks

The Modified Mayo Score (MMS) is a composite score of ulcerative colitis (UC) disease activity on a scale of increasing severity from 0-9, calculated by summing three subscores: Endoscopic subscore (ES), scored on a scale of increasing severity from 0 (normal or inactive disease) to 3 (severe disease, such as spontaneous bleeding or ulceration); Stool frequency subscore (SFS), scored on a scale of increasing frequency from 0 (normal number of stools) to 3 (≥5 stools more than normal per day for the participant); and rectal bleeding subscore (RBS), scored on a scale of increasing severity from 0 (no blood seen) to 3 (blood alone passed). Clinical Remission is defined as an ES of 0 or 1, RBS of 0, and SFS of 0 or 1 and not greater than the baseline SFS.

At 12 weeks
Proportion of participants with endoscopic improvement at Week 12.
Lasso di tempo: Week 12

Endoscopic improvement is defined as Mayo endoscopic subscore (ES) of 0 or 1. The ES measures UC severity based on endoscopy on a 0-3 scale of increasing severity.

Week 12
Proportion of participants with HEMI at Week 12.
Lasso di tempo: Week 12

HEMI is defined as a Geboes score of 3.1 or less and ES of 0 or 1. The Geboes score is a histologic grading system for inflammation in UC with scores ranging from 0 to 5.4, with higher scores indicating more severe inflammation. ES measures UC severity based on endoscopy, scored from 0 (normal or inactive disease) to 3 (severe disease, such as spontaneous bleeding or ulceration).

Week 12
Proportion of participants with clinical remission using the 3-component mMS at Week 48.
Lasso di tempo: Week 48

The Modified Mayo Score (MMS) is a composite score of ulcerative colitis (UC) disease activity on a scale of increasing severity from 0-9, calculated by summing three subscores: Endoscopic subscore (ES), scored on a scale of increasing severity from 0 (normal or inactive disease) to 3 (severe disease, such as spontaneous bleeding or ulceration); Stool frequency subscore (SFS), scored on a scale of increasing frequency from 0 (normal number of stools) to 3 (≥5 stools more than normal per day for the participant); and rectal bleeding subscore (RBS), scored on a scale of increasing severity from 0 (no blood seen) to 3 (blood alone passed). Clinical Remission is defined as an ES of 0 or 1, RBS of 0, and SFS of 0 or 1 and not greater than the baseline SFS.

Week 48
Proportion of participants with endoscopic improvement at Week 48.
Lasso di tempo: Week 48

Endoscopic improvement is defined as Mayo endoscopic subscore (ES) of 0 or 1. The ES measures UC severity based on endoscopy on a 0-3 scale of increasing severity.

Week 48
Proportion of participants with HEMI at Week 48
Lasso di tempo: Week48

HEMI is defined as a Geboes score of 3.1 or less and ES of 0 or 1. The Geboes score is a histologic grading system for inflammation in UC with scores ranging from 0 to 5.4, with higher scores indicating more severe inflammation. ES measures UC severity based on endoscopy, scored from 0 (normal or inactive disease) to 3 (severe disease, such as spontaneous bleeding or ulceration).

Week48

Collaboratori e investigatori

Qui è dove troverai le persone e le organizzazioni coinvolte in questo studio.

Sponsor

Studiare le date dei record

Queste date tengono traccia dell'avanzamento della registrazione dello studio e dell'invio dei risultati di sintesi a ClinicalTrials.gov. I record degli studi e i risultati riportati vengono esaminati dalla National Library of Medicine (NLM) per assicurarsi che soddisfino specifici standard di controllo della qualità prima di essere pubblicati sul sito Web pubblico.

Studia le date principali

Inizio studio (Effettivo)

28 agosto 2026

Completamento primario (Stimato)

1 ottobre 2027

Completamento dello studio (Stimato)

1 giugno 2028

Date di iscrizione allo studio

Primo inviato

21 settembre 2026

Primo inviato che soddisfa i criteri di controllo qualità

22 settembre 2026

Primo Inserito (Effettivo)

29 settembre 2026

Aggiornamenti dei record di studio

Ultimo aggiornamento pubblicato (Effettivo)

21 ottobre 2026

Ultimo aggiornamento inviato che soddisfa i criteri QC

20 ottobre 2026

Ultimo verificato

1 settembre 2026

Maggiori informazioni

Termini relativi a questo studio

Altri numeri di identificazione dello studio

  • PBI-2108-202

Piano per i dati dei singoli partecipanti (IPD)

Hai intenzione di condividere i dati dei singoli partecipanti (IPD)?

INDECISO

Informazioni su farmaci e dispositivi, documenti di studio

Studia un prodotto farmaceutico regolamentato dalla FDA degli Stati Uniti

Sì

Studia un dispositivo regolamentato dalla FDA degli Stati Uniti

No

Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .