NCT06672653

Brief Summary

The zinc monoterpenoid tetra-ascorbo-camphorate possesses broad-spectrum anti-viral properties in vitro, particularly against HIV, HSV and HPV. Its C14 formulation could be a promising candidate for in vivo clinical evaluation as a potential microbicide or therapeutic drug. The aim of this clinical trial is to determine whether C14 is effective in reducing the genital viral load of HR-HPV and in treating low-grade dysplastic lesions of the cervix. It will also determine the tolerability of C14. The main questions to be answered by the clinical trial are as follows: Does C14 reduce the genital HR-HPV viral load in participants with persistent HR-HPV infections? What medical problems do participants experience when taking C14? Researchers will compare C14 to a placebo (a similar substance that contains no drug) to see if C14 is effective in reducing genital C14 viral load and in treating low-grade dysplastic lesions of the cervix. Participants will receive four monthly treatments (5ml of C14 dissolved in distilled water administered twice daily \[morning and evening\] for seven days via vaginal syringe during the follicular phase) of C14 or placebo for 4 months and visit the clinic once every 2 weeks for examinations and tests. They will keep a diary of their symptoms and the number of times they keep the hospital appointment.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
66

participants targeted

Target at P75+ for phase_1

Timeline
Completed

Started Nov 2024

Shorter than P25 for phase_1

Geographic Reach
1 country

1 active site

Status
not yet recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

November 1, 2024

Completed
3 days until next milestone

First Posted

Study publicly available on registry

November 4, 2024

Completed
11 days until next milestone

Study Start

First participant enrolled

November 15, 2024

Completed
4 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 15, 2025

Completed
4 months until next milestone

Study Completion

Last participant's last visit for all outcomes

July 15, 2025

Completed
Last Updated

November 4, 2024

Status Verified

November 1, 2024

Enrollment Period

4 months

First QC Date

November 1, 2024

Last Update Submit

November 1, 2024

Conditions

Outcome Measures

Primary Outcomes (1)

  • genital HR-HPV load

    From enrollment to the end of treatment at 16 weeks

Secondary Outcomes (1)

  • Virological cytological

    From enrollment to the end of treatment at 16 weeks

Study Arms (2)

C14 arm

EXPERIMENTAL

In this arm, particpants will received by vaginal syringe, 5ml of 1% C14, twice a day for 7 days, starting the first cure during the follicular phase of the cycle, just after the last menstrual period (S1), the second cure the following month (S5), the third cure 4 weeks later (S9) and the last cure 8 weeks later (S13).

Drug: The monoterpenoid zinc tetra-ascorbo-camphorate ("C14")

Control arm

PLACEBO COMPARATOR

In this arm, particpants will received by vaginal syringe, 5ml of distilled water, twice a day for 7 days, starting the first cure during the follicular phase of the cycle, just after the last menstrual period (S1), the second cure the following month (S5), the third cure 4 weeks later (S9) and the last cure 8 weeks later (S13).

Drug: Distilled water group

Interventions

The trial phase will consist of hospital administration by vaginal syringe of 5ml of 1% C14, twice a day for 7 days, starting the first cure during the follicular phase of the cycle, just after the last menstrual period (S1), the second cure the following month (S5), the third cure 4 weeks later (S9) and the last cure 8 weeks later (S13). Gynaecological follow-up with HPV molecular testing and cervical smear will be performed two days after each course of treatment at S2, S6, S10, S14 and 2 weeks after the last course of treatment (S16). Unprotected sexual intercourse will not be permitted during each course of treatment, and for at least 72 hours before each genital swab.

C14 arm

Instead of C14, distilled water will be administered in this group.

Control arm

Eligibility Criteria

Age30 Years - 65 Years
Sexfemale
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • sexually-active women
  • aged at least 30 years old
  • who will give their informed consent to participate in the study.

You may not qualify if:

  • Pregnant
  • breastfeeding and post-partum women will not be accepted in the study.
  • previous cervical surgery, medical history of any severe diseases, intake or application of other antivirals
  • known or suspected allergic or adverse response to the investigational product or its components
  • women who are unable to follow the study protocol.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Polyclinique Citadelle

Bunia, Ituri, Democratic Republic of the Congo

Location

Related Publications (3)

  • Saidi H, Jenabian MA, Gombert B, Charpentier C, Mannarini A, Belec L. Pre-clinical development as microbicide of zinc tetra-ascorbo-camphorate, a novel terpenoid derivative: potent in vitro inhibitory activity against both R5- and X4-tropic HIV-1 strains without significant in vivo mucosal toxicity. AIDS Res Ther. 2008 Jun 3;5:10. doi: 10.1186/1742-6405-5-10.

    PMID: 18522743BACKGROUND
  • Mutombo AB, Tozin R, Simoens C, Lisbeth R, Bogers J, Van Geertruyden JP, Jacquemyn Y. Efficacy of antiviral drug AV2 in the treatment of human papillomavirus-associated precancerous lesions of the uterine cervix: A randomized placebo-controlled clinical trial in Kinshasa, DR Congo. (KINVAV study). Contemp Clin Trials Commun. 2017 Sep 28;8:135-139. doi: 10.1016/j.conctc.2017.09.008. eCollection 2017 Dec.

    PMID: 29696202BACKGROUND
  • Mboumba Bouassa RS, Gombert B, Mwande-Maguene G, Mannarini A, Belec L. In vitro inhibitory activity against HPV of the monoterpenoid zinc tetra-ascorbo-camphorate. Heliyon. 2021 Jun 6;7(6):e07232. doi: 10.1016/j.heliyon.2021.e07232. eCollection 2021 Jun.

    PMID: 34159277BACKGROUND

Related Links

MeSH Terms

Conditions

Papillomavirus InfectionsUterine Cervical Neoplasms

Interventions

Carbon-14

Condition Hierarchy (Ancestors)

Sexually Transmitted Diseases, ViralSexually Transmitted DiseasesCommunicable DiseasesInfectionsDNA Virus InfectionsVirus DiseasesTumor Virus InfectionsGenital DiseasesUrogenital DiseasesDisease AttributesPathologic ProcessesPathological Conditions, Signs and SymptomsUterine NeoplasmsGenital Neoplasms, FemaleUrogenital NeoplasmsNeoplasms by SiteNeoplasmsUterine Cervical DiseasesUterine DiseasesGenital Diseases, FemaleFemale Urogenital DiseasesFemale Urogenital Diseases and Pregnancy Complications

Central Study Contacts

Serge TONEN WOLYEC, MD, PhD

CONTACT

Raelle ATENYI KASEMIRE, MD

CONTACT

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, CARE PROVIDER
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Infectiologist, MD, PhD; Academic General Secretary of the University of Bunia; Member of the Société Africaine sur le SIDA (SAA) and Société Française de Microbiologie (SFM).

Study Record Dates

First Submitted

November 1, 2024

First Posted

November 4, 2024

Study Start

November 15, 2024

Primary Completion

March 15, 2025

Study Completion

July 15, 2025

Last Updated

November 4, 2024

Record last verified: 2024-11

Data Sharing

IPD Sharing
Will not share

Locations