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Safety of rectal administration of a biocompatible synthetic peptide, PuraStat in Active Distal Ulcerative Colitis and Proctitis

Safety of rectal administration of a biocompatible synthetic peptide, PuraStat in Active Distal Ulcerative Colitis and Proctitis - Reborn Trial

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCTs012240012
Enrollment
10
Registered
2024-05-01
Start date
2024-05-01
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

ulcerative colitis ulcerative colitis

Interventions

Purestat is applied transendoscopically to the inflamed colonic mucosa
D000893
Purestat

Sponsors

Hiroshi Nakase
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: (1) Patients with proctitis or left-sided colitis whose lesions are localized in the sigmoid colon to rectum (2) Patients with hematochezia (3) Patients who are 18 years of age or older at the time of consent (4) Patients who have given a full explanation of their participation in this study and have given their voluntary written consent.

Exclusion criteria

Exclusion criteria: (1) Patients with UC of the extensive colitis type (2) Patients after total colorectal resection (3) Patients with undetermined diagnosis (4) Patients with bleeding tendency (5) Patients taking antithrombotic drugs (6) Patients who are deemed inappropriate as research subjects by the investigator (7) Patients with a history of hypersensitivity to peptide or protein preparations (8) Pregnant or breast feeding patients (9) Patients who are participating in other clinical studies, including clinical trials. (10) Patients who are judged by the principal investigator or subinvestigator to be inappropriate to participate in this study.

Design outcomes

Primary

MeasureTime frame
Percentage of patients with a Mayo score (bloody stools) reduction of at least 1 point from baseline after 28 days of PureStat administration

Secondary

MeasureTime frame
(1) Improvement rate of Numeric Rating Scale related to bowel urgency of bowel movement after 28 days after treatment with PureStat (2) Improvement rate of Partial Mayo score after 28 days after treatment with PureStat (3) Improvement rate of hematochezia in Mayo score after 14 days of treatment with PureStat (4) Improvement rate of Numeric Rating Scale related to bowel urgency of bowel movement after 14 days of treatment with PureStat (5) Improvement rate of NRS related to blood stool score after 14 days of treatment with PureStat (6) Change in endoscopic scores (MES, UCEIS) before and after PureStat administration (7) Change in Mayo score before and after PureStat administration (8) Changes in pathological findings before and after treatment with PureStat (9) Changes in gene expression of inflammatory cytokines in the rectal mucosa before and after treatment with PureStat (10)Proportion of patients whose Mayo score increased by at least 1 point from baseline after 28 days of Purestat treatment

Contacts

Public ContactYoshihiro Yokoyama

Sapporo Medical University Hospital

yoshi_yokoyamaa@yahoo.co.jp+81-11-611-2111

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026