- ICH GCP
- US Clinical Trials Registry
- Klinisk utprøving NCT07747155
A Study to Evaluate the Efficacy, Safety, Tolerability and Pharmacokinetics of PTT-621 in Patients With Moderately to Severely Active Ulcerative Colitis
A Phase IIa, Multicenter, Single-Arm Study to Evaluate the Efficacy, Safety, Tolerability and Pharmacokinetic Characteristics of PTT-621 in Patients With Moderately to Severely Active Ulcerative
Studieoversikt
Status
Forhold
Intervensjon / Behandling
Studietype
Registrering (Antatt)
Fase
- Fase 2
Kontakter og plasseringer
Studiekontakt
- Navn: Ran Wei
- Telefonnummer: +86 10 81938094
- E-post: ran.wei@pyrotech.com
Studiesteder
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Shanghai Municipality
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Shanghai, Shanghai Municipality, Kina, 200127
- Renji Hospital-Shanghai Jiao Tong University School of Medicine
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Ta kontakt med:
- Qi Lu
- Telefonnummer: +86 21 68383575
- E-post: rjirbzc@vip.163.com
-
-
Deltakelseskriterier
Kvalifikasjonskriterier
Alder som er kvalifisert for studier
- Voksen
- Eldre voksen
Tar imot friske frivillige
Beskrivelse
Inclusion Criteria:
1. Male or female participants aged 18-70 years inclusive at screening. 2. Diagnosed with ulcerative colitis (UC) at least 60 days prior to the first dose of IP.
3. Participants have active UC at screening, defined as a modified Mayo score of 5-9.
4. Endoscopic evidence of UC extending ≥15 cm from the anal verge during the screening period.
5. Participants have had inadequate/loss of response or intolerance to at least one of the following: 5-aminosalicylic acid, glucocorticoids, immunosuppressants, biologics, and/or small-molecule targeted therapies.
6. Participants currently receiving the following UC therapies are eligible if they meet stability requirements: Oral glucocorticoids: with stable dosing for ≥2 weeks prior to screening endoscopy;Oral 5-ASA: Stable dose for at least 2 weeks prior to the endoscopic assessment during the screening period.
7. Female participants of childbearing potential must have a negative serum/urine pregnancy test at screening.
8. Willing to use at least one highly effective contraceptive method during sexual intercourse throughout the study and until 1 month after the last dose of IP.
9. Willing to refrain from sperm/ova donation throughout the study and until 1 month after the last dose of IP.
10. Able and willing to provide written informed consent and comply with all protocol-specified procedures and visit schedules.
Exclusion Criteria:
- 1. A current diagnosis of Crohn's disease (CD), indeterminate colitis, infectious colitis, or any other colitis/enteritis that could interfere with efficacy evaluation; 2. Has UC complications (e.g., fulminant colitis, toxic megacolon, prior total or partial colectomy, or other conditions requiring surgery); 3. Prior or current gastrointestinal dysplasia; 4. History of gastrointestinal malignancy, or any current evidence of gastrointestinal cancer.
Studieplan
Hvordan er studiet utformet?
Designdetaljer
- Primært formål: Behandling
- Tildeling: N/A
- Intervensjonsmodell: Enkeltgruppeoppdrag
- Masking: Ingen (Open Label)
Våpen og intervensjoner
Deltakergruppe / Arm |
Intervensjon / Behandling |
|---|---|
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Eksperimentell: Participants receiving PTT-621 Dose A
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PTT-621 will be administered orally
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Hva måler studien?
Primære resultatmål
Resultatmål |
Tidsramme |
|---|---|
|
Percentage of participants achieving endoscopic improvement at Week 12
Tidsramme: Week 12
|
Week 12
|
Sekundære resultatmål
Resultatmål |
Tidsramme |
|---|---|
|
Percentage of participants with adverse events (AEs)
Tidsramme: Baseline, Week 2, 4, 8, 12
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Baseline, Week 2, 4, 8, 12
|
|
Percentage of participants achieving clinical remission、clinical response
Tidsramme: Week 12
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Week 12
|
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Percentage of participants achieving symptom remission, symptom response
Tidsramme: Weeks 2, 4, 8, 12
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Weeks 2, 4, 8, 12
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Pharmacokinetic (PK) characteristics: Plasma concentrations of PTT-621
Tidsramme: Baseline, Weeks 2, 4, 8, 12
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Baseline, Weeks 2, 4, 8, 12
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Changes in fecal calprotectin from baseline
Tidsramme: Weeks 2, 4, 8, 12
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Weeks 2, 4, 8, 12
|
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Changes in high-sensitivity C-reactive protein (hsCRP) from baseline
Tidsramme: Week 2, 4, 8, 12
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Week 2, 4, 8, 12
|
Samarbeidspartnere og etterforskere
Sponsor
Studierekorddatoer
Studer hoveddatoer
Studiestart (Antatt)
Primær fullføring (Antatt)
Studiet fullført (Antatt)
Datoer for studieregistrering
Først innsendt
Først innsendt som oppfylte QC-kriteriene
Først lagt ut (Faktiske)
Oppdateringer av studieposter
Sist oppdatering lagt ut (Faktiske)
Siste oppdatering sendt inn som oppfylte QC-kriteriene
Sist bekreftet
Mer informasjon
Begreper knyttet til denne studien
Nøkkelord
Ytterligere relevante MeSH-vilkår
Andre studie-ID-numre
- PTT-621-201
Plan for individuelle deltakerdata (IPD)
Planlegger du å dele individuelle deltakerdata (IPD)?
Legemiddel- og utstyrsinformasjon, studiedokumenter
Studerer et amerikansk FDA-regulert medikamentprodukt
Studerer et amerikansk FDA-regulert enhetsprodukt
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