NCT04979975

Brief Summary

To evaluate the efficacy of repeat-dose UB-621 for the recurrent genital HSV-2 infection To evaluate the safety and tolerance of repeat-dose UB-621 for the recurrent HSV-2 infection To evaluate the pharmacokinetics of repeat-dose UB-621 in RGH patients

Trial Health

65
Monitor

Trial Health Score

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

Enrollment
200

participants targeted

Target at P75+ for phase_2

Timeline
7mo left

Started Dec 2023

Typical duration for phase_2

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

Study Progress81%
Dec 2023Dec 2026

First Submitted

Initial submission to the registry

July 19, 2021

Completed
9 days until next milestone

First Posted

Study publicly available on registry

July 28, 2021

Completed
2.3 years until next milestone

Study Start

First participant enrolled

December 1, 2023

Completed
2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2025

Completed
1 year until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2026

Expected
Last Updated

October 3, 2022

Status Verified

September 1, 2022

Enrollment Period

2 years

First QC Date

July 19, 2021

Last Update Submit

September 29, 2022

Conditions

Outcome Measures

Primary Outcomes (1)

  • Time to first recurrence

    Time to first recurrence episode after experimental drug administration as reported by patient and verified by investigator.

    26 weeks

Secondary Outcomes (4)

  • Proportion of subjects with episodes

    26 weeks

  • Lesion rate

    26 weeks

  • Duration of recurrent lesions

    26 weeks

  • Recurrence rate

    26 weeks

Other Outcomes (4)

  • HSV-2 shedding rate

    12 weeks

  • Clinical and Subclinical HSV-2 Shedding Rates

    12 weeks

  • Rate of HSV-2 Shedding Episodes

    12 weeks

  • +1 more other outcomes

Study Arms (3)

Placebo

EXPERIMENTAL

placebo matching UB-621

Other: Placebo

UB-621 low-dose

EXPERIMENTAL

low-dose of UB-621

Biological: UB-621 low-dose

UB-621 high-dose

EXPERIMENTAL

high-dose of UB-621

Biological: UB-621 high-dose

Interventions

PlaceboOTHER

PBO- placebo matching to UB-621

Placebo
UB-621 low-doseBIOLOGICAL

fully human anti-HSV mAb

UB-621 low-dose

fully human anti-HSV mAb

UB-621 high-dose

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Age ≧18 years at the time of signing ICF
  • HSV-2 seropositive when screening
  • A history of recurrent genital herpes and experience 6-12 episodes in the past year
  • Negative result of the HIV assay
  • In baseline period, subject have to present at the site within 72 hours after the occurrence of new lesions
  • Keep daily diary during the study period
  • Female subjects: negative serum β-HCG at screening and no beast-feeding.
  • Use contraception during study participation
  • Understanding and willing to fully comply with study interventions and restrictions.

You may not qualify if:

  • Any medical conditions that may interfere the assessment of UB-621efficacy, or any medical conditions that may present symptoms in the anogenital regions (such as syphilis, genital warts).
  • History of malignancy, diabetes, auto-immune diseases or immunodificiency diseases.
  • Use of systemic steroids or immunomodulators within 30 days prior to the screening
  • Participating any clinical trials within 30 days prior to the screening, or within 5 half-life of any investigational drugs, take the longer.
  • Vaccination within 30 days prior to the screening.
  • Prior exposure to any HSV vaccines
  • Known hypersensitive to monoclonal antibodies
  • ECG abnormalities with clinical relevance or cardiovascular diseases at screening
  • Serum creatinine \> 1.5 mg/dL at screening
  • AST and ALT \> 2.5 x ULN at screening
  • HBsAg positive or HCT antibody positive at screening
  • Syphilis RPR test positive at screening
  • TB history or documented T-spot positive, or now is under treatment of TB
  • Any other circumstances that are determined to affect the conduct or successful completion of the clinical study

Contact the study team to confirm eligibility.

Sponsors & Collaborators

MeSH Terms

Conditions

Herpes Genitalis

Condition Hierarchy (Ancestors)

Sexually Transmitted Diseases, ViralSexually Transmitted DiseasesCommunicable DiseasesInfectionsHerpes SimplexHerpesviridae InfectionsDNA Virus InfectionsVirus DiseasesGenital Diseases, FemaleFemale Urogenital DiseasesFemale Urogenital Diseases and Pregnancy ComplicationsUrogenital DiseasesGenital DiseasesGenital Diseases, MaleMale Urogenital Diseases

Central Study Contacts

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

July 19, 2021

First Posted

July 28, 2021

Study Start

December 1, 2023

Primary Completion

December 1, 2025

Study Completion (Estimated)

December 1, 2026

Last Updated

October 3, 2022

Record last verified: 2022-09