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Complex Perianal FistulasPhase 1/2NCT05677672

The Purpose of This Study is to Evaluate the Safety and Efficacy of Human TH-SC01 Cell Injection in the Treatment of Complex Perianal Fistula

A Phase 1/2 study testing Human TH-SC01 Cell Injection and Saline solution in people with Complex Perianal Fistulas, run by Jiangsu Topcel-KH Pharmaceutical Co., Ltd. at 1 site in China.

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Official record
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Trial summary

The purpose of this study is to evaluate the safety and efficacy of human TH-SC01 cell injection for the treatment of complex perianal fistulas Read more about this study

Who is it for?
Ages 18 to 70 years
Conditions the study is for
Complex Perianal Fistulas
What is being tested?
Human TH-SC01 Cell Injection and Saline solution
Type of treatment
Injection or infusion
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
84 participants
Where
1 siteChina
Study dates
30 Dec 2022to 30 Dec 2023
Phase
Phase 1/2
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 70 years
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • Signed informed consent.
  • Subjects aged between 18 and 70, both male and female.
  • The subject was clinically diagnosed as complex anal fistula. The diagnostic criteria for complex anal fistula were adopted by the 2016 American Association of Colorectal Surgeons Guidelines for the Treatment of Perianal Abscess, Anal Fistula and Rectovaginal Fistula.
  • The subjects had received conventional treatment for anal fistulas
  • All subjects and their partners were not planning to have a child from screening to the end of the trial and agreed to use effective non-drug contraception during the trial.

Who cannot join

  • Subjects with anal fistula in the acute infection period.
  • Subjects with abscess or collections >2 cm.
  • Subjects with abnormal laboratory results: liver function: total bilirubin >=1.5 × ULN, and aspartate aminotransferase (AST) and alanine aminotransferase (ALT) >=2 × ULN; renal function: creatinine clearance below 60 mL/minute calculated using Cockcroft-Gault formula or by serum creatinine >=1.5 × upper limit of normal (ULN).
  • Subjects with malignant tumors or a history of malignant tumors.
  • Subjects with severe, progressive, uncontrolled hepatic, hematological, gastrointestinal (except Crohn's disease), endocrine, pulmonary, cardiac, neurological, psychiatric, or cerebral diseases.
  • Serum virology test (HBeAg, HCV antibody, HIV antibody, Treponema pallidum antibody) positive.
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  • Subjects allergic to gentamicin sulfate, anesthetics or contrast media.
  • Subjects allergic to MRI contrast.
  • Subjects who has major surgery or severe trauma within 6 months prior to the screening period.
  • Subjects who has received any investigational drug within 3 months prior to the screening.
  • Subjects deemed inappropriate by the investigator to participate in this clinical trial.
  • The female participant who is pregnant, or is lactating.

Trial locations and contacts

1 site in 1 country.

China1 site
  • Xiangya Hospital Central University

    Changsha, Hunan, 410000

    Weidong Zhang, Dr., 073189753568, davidcsu@foxmail.com

Other trials in China

About this study

Official title: Phase I/Ⅱ Study to Evaluate the Safety and Efficacy of Human TH-SC01 Cell Injection in the Treatment of Complex Perianal Fistula

The purpose of this study is to evaluate the safety and efficacy of human TH-SC01 cell injection for the treatment of complex perianal fistulas

Read the detailed description

This study is a phase Ⅰ/Ⅱ study, Phase 1 was the dose increment phase, and phase 2 was the expansion phase

Being tested
Human TH-SC01 Cell Injection, Saline solution

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Human TH-SC01 Cell InjectionBiological

    Single injection of 0.6×10^7,1.2×10^8, 1.8×10^8 cells/kg

  • Saline solutionOther

    saline solution will be given at the same quantity and following the same schedule

Study groups in NCT05677672
Study groupRoleWhat they receive
Human TH-SC01 cell injectionExperimentalHuman TH-SC01 Cell Injection is a human expanded umbilical cord mesenchymal stem cells suspension
Receives: Biological: Human TH-SC01 Cell Injection
Placebo-control groupPlacebo comparatorSaline solution
Receives: Other: Saline solution

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Severity and incidence of study drug-related adverse-events

    Severity and incidence of study drug-related adverse-events within D28(W4) after administration.

    Measured: Day 28 (Week 4)

  2. Dose-limiting toxicity (DLT)

    Exploration of dose-limiting toxicity (DLT)

    Measured: Day 28

  3. maximum tolerated dose (MTD)

    Exploration of maximum tolerated dose(MTD)

    Measured: Day 28

  4. Percentage of effectiveness

    Percentage of effectiveness at 84 days of administration by MRI imaging evaluated fistula healing with no or minimal effusion

    Measured: Day 84

Secondary outcomes (1)
  1. Severity and incidence of study drug-related adverse-events

    Severity and incidence of study drug-related adverse-events after D28(W4) after administration.

    Measured: Day 28

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted10 Jan 2023
  2. Study start30 Dec 2022 (estimated)
  3. Primary completion30 Aug 2023 (estimated)
  4. Study completion30 Dec 2023 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 1/2
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Model description
Phase 1 was a non-randomized, single-arm, multicenter, dose-escalation clinical trial design. Phase 2 was a randomized, double-masking , multicenter, blank control, dose-extended clinical trial design.
Masking
Double blind
Who is masked
Participant, Outcomes assessor
Enrolment
84 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT05677672
Sponsor's protocol ID
TH-SC01-CAF-Ⅰ/Ⅱ 1.0
Status last verified
Dec 2022
First submitted
14 Dec 2022
Last updated
10 Jan 2023
Results posted
No
FDA-regulated drug
No
FDA-regulated device
No

Questions about this trial

What is this clinical trial studying?

A Phase 1/2 study testing Human TH-SC01 Cell Injection and Saline solution in people with Complex Perianal Fistulas, run by Jiangsu Topcel-KH Pharmaceutical Co., Ltd. at 1 site in China.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 5 inclusion and 12 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: status not confirmed, as of the sponsor's last update on 10 Jan 2023. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in China. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this combined phase mean?

Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Results are not available in the source record.

How can a doctor refer a patient or contact the research team?

Each site lists its own contact: choose the nearest one under Trial locations. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Severity and incidence of study drug-related adverse-events (time frame: Day 28 (Week 4)). The study lists 4 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 10 Jan 2023.

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