Clinical trial • Phase IV • Gastroenterology

Camellia sinensis (green tea) leaf extract for Anal high-grade squamous intraepithelial lesion (anal HSIL)

Phase IV trial of Camellia sinensis (green tea) leaf extract for Anal high-grade squamous intraepithelial lesion (anal HSIL).

Overview

Trial Therapeutic Area
Gastroenterology
Trial Disease
Anal high-grade squamous intraepithelial lesion (anal HSIL)
Trial Stage
Phase IV
Drug Modality
Other

Key dates

Initial CTIS Submission Date
12-12-2024
First CTIS Authorization Date
24-03-2025

Trial design

Randomised, ablative treatment alone (topical ablative trichloroacetic acid) compared with topical sinecatechins 10% ointment used as adjuvant therapy to ablative treatment.-controlled Phase IV trial across 1 site in Spain.

Randomised
Yes
Comparator
Ablative treatment alone (topical ablative trichloroacetic acid) compared with topical Sinecatechins 10% ointment used as adjuvant therapy to ablative treatment.
Target Sample Size
150
Trial Duration For Participant
336

Eligibility

Recruits 150 No vulnerable populations selected. Participants must be adults ≥ 18 years. Informed consent: "Voluntary signature of the informed consent." Subject information and consent forms provided (Spanish versions present). No assent procedure for minors (minors excluded)..

Vulnerable Population
No vulnerable populations selected. Participants must be adults ≥ 18 years. Informed consent: "Voluntary signature of the informed consent." Subject information and consent forms provided (Spanish versions present). No assent procedure for minors (minors excluded).

Inclusion criteria

  • {"criterion_text":"- Adults ≥ 18 years of age."}
  • {"criterion_text":"- HIV-1 infected individuals"}
  • {"criterion_text":"- Individuals with biopsy-proven anal HSIL within 6 months prior to the study."}
  • {"criterion_text":"- Voluntary signature of the informed consent."}
  • {"criterion_text":"- Be able to understand and comply with protocol requirements, instructions, and restrictions."}
  • {"criterion_text":"- Be likely to complete the study as planned."}

Exclusion criteria

  • {"criterion_text":"- Any disease or condition of the patient that, in the opinion of the investigator, is not suitable for participation in the study."}
  • {"criterion_text":"- Individuals who have received prior anal HSIL treatment in the last 3 months."}
  • {"criterion_text":"- Individuals with two or more recurrences of anal HSIL in the last 2 years."}
  • {"criterion_text":"- Individuals unable to understand the study protocol or any other condition that in the opinion of the investigator may compromise compliance with the protocol."}

Endpoints

Primary endpoints

  • {"endpoint_text":"- Cumulative proportion of patients free of HSIL at 48 weeks post-treatment (with an allowed deviation of 8 weeks).","definition_or_measurement_approach":"Proportion of patients free of HSIL at 48 weeks post-treatment, defined as a complete or partial response (regression from HSIL to normal or LSIL, respectively) and free of recurrence."}

Recruitment

Planned Sample Size
150
Recruitment Window Months
36
Consent Approach
Voluntary signature of the informed consent by participants (adults ≥ 18). Subject information and informed consent forms available in Spanish (documents titled L1_SIS and ICF_ESP and Spanish versions). No assent for minors as they are excluded.

Geography

Total Number Of Sites
1
Total Number Of Participants
150

Spain

Earliest CTIS Part Ii Submission Date
27-02-2025
Latest Decision Or Authorization Date
21-08-2025
Processing Time Days
175
Number Of Sites
1
Number Of Participants
150

Sites

Site Name
Hospital Universitari Vall D Hebron
Department Name
Infectious diseases
Principal Investigator Name
Joaquín Burgos
Principal Investigator Email
joaquin.burgos@vallhebron.cat
Contact Person Name
Joaquín Burgos
Contact Person Email
joaquin.burgos@vallhebron.cat

Sponsor

Primary sponsor

Full Name
Fundacio Hospital Universitari Vall D’Hebron Institut De Recerca
Organisation Type
Laboratory/Research/Testing facility
Country Of Registered Address
Spain

Third parties

  • {"country":"","full_name":"Fundació La Marató TV3","duties_or_roles":"Source of monetary support","organisation_type":""}

Investigational products

Investigational Product Name
SINECATECHINS
Active Substance
Camellia sinensis (green tea) leaf extract
Modality
Other
Routes Of Administration
Cutaneous use
Route
Cutaneous use
Authorisation Status
prodAuthStatus=2 (no marketing authorisation number provided)
Maximum Dose
maxDailyDoseAmount: 0.75 mg; maxTotalDoseAmount: 163 mg
Combination Treatment
Yes

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