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The purpose of this phase III study is to evaluate the efficacy, safety and tolerability of UB-421 monotherapy in suppressing viral rebound in HIV-1 infected adults undergoing antiretroviral treatment interruption.
This is an open-label, Phase III study to evaluate the efficacy, safety and tolerability of UB-421 monotherapy in suppressing viral rebound while replace HAART in virally suppressed HIV-1 infected adults. In this study, approximately 375 subjects on stable HAART treatment will be randomized to receive either continuing HAART treatment alone (Cohort 1) or UB-421 as the monotherapy (Cohort 2) in 1:2 ratio. For Cohort 1, subjects will receive current standard HAART treatment as the active control group. For Cohort 2, UB-421 will be administered to enrolled subjects without HAART treatment in the Cohort 2 during the 26-week treatment period. After treatment period, both cohort 1 and cohort 2 enter 22-week follow-up period.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Cohort 1 | Active Comparator | Subjects will receive current standard HAART treatment as the active control group. |
|
| Cohort 2 | Experimental | Subjects will receive UB-421 without HAART treatment by intravenous infusion at 25 mg/kg bi-weekly. After 26-week treatment period, subjects will enter 22-week follow-up period with current standard HAART treatment. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| UB-421 | Drug | Subjects will receive 13 doses of the UB-421 by intravenous infusion at 25 mg/kg bi-weekly (Cohort 2, 26 weeks). |
|
| Measure | Description | Time Frame |
|---|---|---|
| Number of participants without virologic failure | 24 weeks |
| Measure | Description | Time Frame |
|---|---|---|
| Time to virologic failure | 26 weeks | |
| Number of participants with treatment-related adverse events | 48 weeks | |
| Peak concentration of UB-421 in Cohort 2 |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Beijing Youan Hospital,Capital Medical University | Beijing | Beijing Municipality | 100069 | China |
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| ID | Term |
|---|---|
| C000630912 | UB-421 |
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| current standard HAART treatment | Drug | Subjects will receive current standard HAART treatment as the active control group. |
|
| 30 weeks |
| Trough concentration of UB-421 in Cohort 2 | 30 weeks |