The HIV Functional Cure Potential of UB-421 in ART Stabilized HIV-1 Patients
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ClinicalTrials.gov Identifier: NCT03743376 |
Recruitment Status :
Completed
First Posted : November 16, 2018
Last Update Posted : May 13, 2022
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Condition or disease | Intervention/treatment | Phase |
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HIV-1 Infection | Biological: UB-421(25 mg/kg) Q2W Biological: UB-421(25 mg/kg) Q4W | Phase 2 |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 31 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | None (Open Label) |
Primary Purpose: | Treatment |
Official Title: | The HIV Functional Cure Potential of UB-421: A Phase II, Randomized, Open-label, Controlled, 48 Week, Proof of Concept Study, to Evaluate the Safety of UB-421 in Combination With Standard Antiretroviral Therapy (ART) and the Efficacy of HIV Reservoir Reduction as Compared With ART Alone in ART Stabilized HIV-1 Patients |
Actual Study Start Date : | December 12, 2018 |
Actual Primary Completion Date : | October 15, 2020 |
Actual Study Completion Date : | December 31, 2021 |
Arm | Intervention/treatment |
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No Intervention: Standard ART
Subjects will receive standard ART for 48 weeks
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Experimental: UB-421(25mg/kg) Q2W add-on treatment
UB-421(25 mg/kg) Q2W plus standard ART for 48 weeks
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Biological: UB-421(25 mg/kg) Q2W
Monoclonal antibody by IV infusion plus standard ART |
Experimental: UB-421(25mg/kg) Q4W add-on treatment
UB-421(25 mg/kg) Q4W plus standard ART for 48 weeks
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Biological: UB-421(25 mg/kg) Q4W
Monoclonal antibody by IV infusion plus standard ART |
- treatment related TEAEs [ Time Frame: 48Weeks ]the incidence of Grade 3 drug-related treatment-emergent adverse events
- the change of immune profiles [ Time Frame: 16Weeks ]Change in Treg percentage in the peripheral blood

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Ages Eligible for Study: | 20 Years to 100 Years (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- HIV-1 sero-positive
- Male with body weight ≥ 50 kg or female with body weight ≥ 45 kg.
- HIV-1 plasma RNA level below 50 RNA copies/mL .
Exclusion Criteria:
- Subjects with active systemic infections, except for HIV-1, that the Investigator feels the infections may confound evaluation and treatment for HIV-1.
- Current active hepatitis B carriers, ie, hepatitis B surface antigen positive.
- Current active hepatitis C carriers, ie, hepatitis C virus (HCV) antibody positive.
- History of anaphylaxis to other mAbs.
- Any vaccination within 8 weeks prior to the first dose of assigned drug.
- Use of immunomodulators, HIV vaccine, or systemic chemotherapy within 180 days prior to the first dose of assigned drug.
- Females who are pregnant, lactating, or breastfeeding, or who plan to become pregnant during the study.

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT03743376
Taiwan | |
Kaohsiung Medical University Chung-Ho Memorial Hospital | |
Kaohsiung, Taiwan | |
Kaohsiung Veterans General Hospital | |
Kaohsiung, Taiwan | |
Taipei Veterans General Hospital | |
Taipei, Taiwan, 201 |
Responsible Party: | United BioPharma |
ClinicalTrials.gov Identifier: | NCT03743376 |
Other Study ID Numbers: |
UBP-A209-HIV |
First Posted: | November 16, 2018 Key Record Dates |
Last Update Posted: | May 13, 2022 |
Last Verified: | May 2022 |
Studies a U.S. FDA-regulated Drug Product: | No |
Studies a U.S. FDA-regulated Device Product: | No |
UB-421 Anti-Retroviral Agents Antiviral Agents Anti-Infective Agents |