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Study to Evaluate Safety and Pharmacokinetics of UB-421 Antibody in HIV-1 Infected Adults

A Phase I, Open-label, Single-dose, Dose-escalation Study to Evaluate the Safety and Pharmacokinetics of the UB-421 Antibody in Asymptomatic HIV-1 Infected Adults

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01140126
Enrollment
20
Registered
2010-06-09
Start date
2010-05-31
Completion date
2011-07-31
Last updated
2011-07-11

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

HIV-1 Infection in Adults (Asymptomatic)

Keywords

HIV-1, CD4, antibody, immunotherapy

Brief summary

The purpose of this Phase I study is to determine whether the antibody (UB-421), targeting the HIV-1 receptor on the CD4 molecule (domain 1) of T-lymphocytes and monocytes, is safe and well tolerated when administered to asymptomatic HIV-1 infected adults by intravenous infusion and to assess pharmacokinetic parameters of the antibody in blood and on cells. The neutralizing activity of UB-421 blocks HIV-1 from binding to its receptor on CD4-positive cells; thus, UB-421 functions as an immunotherapeutic intervention to prevent HIV-1 infection.

Interventions

Single intravenous infusion at day 0 of a liquid dose of 1, 5, 10 or 25 mg/kg body weight.

Sponsors

United Biomedical
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
20 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Asymptomatic, treatment-naive, HIV-1 seropositive * CD4+ T cell count \>350 cells/cubic millimeter * HIV-1 viral load \>5,000 copies/mL * Other inclusion criteria apply

Exclusion criteria

* Active infection requiring immediate therapy (except HIV-1) * Prior participation in any HIV vaccine trial * Previous exposure to a monoclonal antibody * Use of immunomodulating drugs or systemic chemotherapy * Other

Design outcomes

Primary

MeasureTime frame
To evaluate safety and tolerability of a single intravenous infusion at escalating doses of UB-421.Screen, treatment & follow-up: 62 to 90 days

Secondary

MeasureTime frame
To determine pharmacokinetic parameters of a single intravenous infusion at escalating doses of UB-421.Screen, treatment & follow-up: 62 to 90 days

Countries

Taiwan

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026