| Primary | Number of Participants With Viral Suppression: HIV-1 RNA < 50 Copies/mL During the Induction Phase | Participants whose viral load achieved suppression (HIV-1 RNA < 50 copies/mL) at Week 24 at the latest, confirmed at Week 28 (2 consecutive assessments ≥ 28 days apart) were defined as responders. Patients who discontinued the study or did not respond to assigned treatment by week 28 were considered as non-responders. | Intent-to-Treat Population 1 (ITT1) population (patients evaluable for efficacy in the induction phase) | Posted | | Number | | Participants | | From Baseline 1 to Week 28 | | | | ID | Title | Description |
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| OG000 | ENF+HAART | Participants received enfuvirtide 90 mg subcutaneously twice a day in combination with highly active antiretroviral treatment. | | OG001 | HAART | Participants received highly active antiretroviral treatment. |
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| Secondary | Time to Achieving HIV-1 RNA < 50 Copies/mL During the Induction Phase | The time to achieving HIV-1 RNA <50 copies/mL was counted from Baseline 1 until the first of the two consecutive <50 copies/mL measurements. Patients who discontinued from the study or patients who did not have confirmed virological response by week 28 were classed as non-responders and censored at Week 24. | Intent-to-Treat Population 1 (ITT1) population (patients evaluable for efficacy in the induction phase). | Posted | | Median | Inter-Quartile Range | days | | Baseline 1 until Week 28. | | | | ID | Title | Description |
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| OG000 | ENF+HAART | Participants received enfuvirtide 90 mg subcutaneously twice a day in combination with highly active antiretroviral treatment. | | OG001 | HAART | Participants received highly active antiretroviral treatment. |
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| Secondary | Number of Participants With Viral Suppression HIV-1 RNA < 400 Copies/mL During the Induction Phase | Participants whose viral load achieved suppression (HIV-1 RNA < 400 copies/mL) by Week 24 at the latest, confirmed at Week 28 (2 consecutive assessments ≥ 28 days apart) were defined as responders. Patients who discontinued the study or did not respond to assigned treatment by Week 28 were considered as non-responders. | ITT1 population (patients evaluable for efficacy in the induction phase) | Posted | | Number | | Participants | | From Baseline 1 to Week 28 | | | | ID | Title | Description |
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| OG000 | ENF+HAART | Participants received enfuvirtide 90 mg subcutaneously twice a day in combination with highly active antiretroviral treatment. | | OG001 | HAART | Participants received highly active antiretroviral treatment. |
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| Secondary | Change From Baseline to Week 24 in Viral Load | Change from Baseline in log10 HIV-1 RNA at Week 24. Least squares means were calculated from an analysis of covariance (ANCOVA) model with treatment, a flag variable "removed ENF at re-randomization" and Baseline viral load as independent variables. | Intent-to-Treat Population 1 (ITT1) population (patients evaluable for efficacy in the Induction Phase). Baseline values were carried forward (i.e. the change from baseline set to zero) for patients with missing data at week 24 or who withdrew prior to the week 24 time window. | Posted | | Least Squares Mean | 95% Confidence Interval | log10 copies/mL | | Baseline and Week 24 | | | | ID | Title | Description |
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| OG000 | ENF+HAART | Participants received enfuvirtide 90 mg subcutaneously twice a day in combination with highly active antiretroviral treatment. | | OG001 | HAART | Participants received highly active antiretroviral treatment. |
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| Secondary | Change From Baseline to Week 24 in Cluster Differentiation Antigen Four Positive (CD4+) Cell Counts | Change from Baseline in CD4+ Cell Counts at Week 24. Least squares means were calculated from an ANCOVA model with treatment as an independent variable. | Intent-to-Treat Population 1 (ITT1) population (patients evaluable for efficacy in the Induction Phase). Baseline values were carried forward (i.e. the change from baseline set to zero) for patients with missing data at week 24 or who withdrew prior to the week 24 time window. | Posted | | Least Squares Mean | 95% Confidence Interval | cells/mm^3 | | Baseline and Week 24 | | | | ID | Title | Description |
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| OG000 | ENF+HAART | Participants received enfuvirtide 90 mg subcutaneously twice a day in combination with highly active antiretroviral treatment. | | OG001 | HAART | Participants received highly active antiretroviral treatment. |
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| Secondary | Percentage of Induction Phase Participants With Viral Load < 50 Copies/mL at 48 Weeks | The percentage of participants from the Induction Phase who maintained HIV-1 RNA < 50 Copies/mL at Week 48. Patients who discontinued from the study, rebounded to ≥ 50 copies/mL (i.e., had two consecutive readings ≥ 50 copies/mL), had missing data or had virological failure by Week 48 were classed as non-responders. | Induction Phase Intent-to-Treat Population 1 (ITT1). | Posted | | Number | | percentage of participants | | Week 48 | | | | ID | Title | Description |
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| OG000 | ENF+HAART | Participants received enfuvirtide (ENF) 90 mg subcutaneously twice a day in combination with highly active antiretroviral treatment (HAART) in the Induction Phase. In the Maintenance Phase, participants either continued to receive ENF+HAART or HAART alone. This group contains all patients who were randomized to ENF+HAART at BL1 and follows the patients throughout 48 weeks, regardless of which arm they were randomized to at BL2. | | OG001 | HAART | Participants received highly active antiretroviral treatment during both the Induction and Maintenance Phase. |
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| Secondary | Percentage of Maintenance Phase Participants With Viral Load < 50 Copies/mL at 48 Weeks | The percentage of participants from the Maintenance Phase who maintained HIV-1 RNA < 50 copies/mL at Week 48. Patients who discontinued from the study, rebounded to ≥ 50 copies/mL (i.e., had two consecutive readings ≥ 50 copies/mL), had missing data or had virological failure by Week 48 were classed as non-responders. | Maintenance Phase Intent-to-Treat Population 2 (ITT2). | Posted | | Number | | percentage of participants | | Week 48 | | | | ID | Title | Description |
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| OG000 | ENF+HAART | Participants received enfuvirtide (ENF) 90 mg subcutaneously twice a day in combination with highly active antiretroviral treatment (HAART) in the Induction Phase. In the Maintenance Phase, participants either continued to receive ENF+HAART or HAART alone. This group contains all patients who entered the Maintenance phase from the ENF+HAART Induction phase, regardless of which arm they were randomized to at BL2. | | OG001 | HAART | Participants received highly active antiretroviral treatment during both the Induction and Maintenance Phase. |
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| Secondary | Change From Baseline to Week 48 in Cluster Differentiation Antigen Four Positive (CD4) Cell Counts | Change from Baseline in CD4 Cell Counts at Week 48. Least squares means were calculated from an ANCOVA model with treatment and baseline CD4 count as independent variables. | Intent-to-Treat Population 2 (ITT2) population (patients evaluable for efficacy in the Maintenance Phase). Baseline values were carried forward (i.e. the change from baseline set to zero) for patients with missing data at week 48 or who withdrew prior to the week 48 time window. | Posted | | Least Squares Mean | 95% Confidence Interval | cells/mm^3 | | Baseline 1 and Week 48 | | | | ID | Title | Description |
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| OG000 | ENF+HAART | Participants received enfuvirtide (ENF) 90 mg subcutaneously twice a day in combination with highly active antiretroviral treatment (HAART) in the Induction Phase. In the Maintenance Phase, participants either continued to receive ENF+HAART or HAART alone. This group contains all patients who entered the Maintenance phase from the ENF+HAART Induction phase, regardless of which arm they were randomized to at BL2. | | OG001 | HAART | Participants received highly active antiretroviral treatment during both the Induction and Maintenance Phase. |
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| Secondary | Time to Loss of Viral Response During the Maintenance Phase | The time to loss of viral response (defined as HIV-1 RNA <50 copies/mL) was counted from Baseline 2 until the first of two consecutive ≥50 copies/mL measurements. Only patients who were qualified for entering the Maintenance Phase were included in the analysis. | Maintenance Phase Intent-to-Treat Population 2 (ITT2) | Posted | | Median | Inter-Quartile Range | days | | From Baseline 2 to Week 48. | | | | ID | Title | Description |
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| OG000 | ENF+HAART | Participants received enfuvirtide (ENF) 90 mg subcutaneously twice a day in combination with highly active antiretroviral treatment (HAART) in the Induction Phase. In the Maintenance Phase, participants either continued to receive ENF+HAART or HAART alone. This group contains all patients who entered the Maintenance phase from the ENF+HAART Induction phase, regardless of which arm they were randomized to at BL2. | | OG001 | HAART | Participants received highly active antiretroviral treatment during both the Induction and Maintenance Phase. |
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| Secondary | Time to Virological Failure During the Maintenance Phase | Time to virological failure (defined as HIV-1 RNA ≥ 400 copies/mL) was counted from Baseline 2 until the first of the two consecutive ≥400 copies/mL measurements. Only patients who were qualified for entering the Maintenance Phase were included in the analyses. | Maintenance Phase Intent-to-Treat Population 2 (ITT2) | Posted | | Median | Inter-Quartile Range | days | | From Baseline 2 to Week 48. | | | | ID | Title | Description |
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| OG000 | ENF+HAART | Participants received enfuvirtide (ENF) 90 mg subcutaneously twice a day in combination with highly active antiretroviral treatment (HAART) in the Induction Phase. In the Maintenance Phase, participants either continued to receive ENF+HAART or HAART alone. This group contains all patients who entered the Maintenance Phase from the ENF+HAART Induction Phase, regardless of which arm they were randomized to at BL2. | | OG001 | HAART | Participants received highly active antiretroviral treatment during both the Induction and Maintenance Phase. |
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| Secondary | Number of Participants With Virological Failure During the Maintenance Phase | Virological failure was defined by 2 consecutive HIV-1 RNA values ≥ 400 copies/mL during the Maintenance Phase. | Maintenance Phase Intent-to-Treat Population 2 (ITT2) | Posted | | Number | | Participants | | From Baseline 2 to Week 48. | | | | ID | Title | Description |
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| OG000 | ENF+HAART | Participants received enfuvirtide (ENF) 90 mg subcutaneously twice a day in combination with highly active antiretroviral treatment (HAART) in the Induction Phase. In the Maintenance Phase, participants either continued to receive ENF+HAART or HAART alone. This group contains all patients who entered the Maintenance Phase from the ENF+HAART Induction Phase, regardless of which arm they were randomized to at BL2. | | OG001 | HAART | Participants received highly active antiretroviral treatment during both the Induction and Maintenance Phase. |
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| Secondary | Percentage of Participants Maintaining CD4+ Count During the Maintenance Phase | Maintenance of CD4+ count defined as having greater than or equal to 200 cells/mm^3 at Baseline 2 (BL2) and greater than or equal to 200 cells/mm^3 at Week 48. | Maintenance Phase ITT2 population with a Baseline 2 CD4+ count of greater than or equal to 200 cells/mm^3. | Posted | | Number | | percentage of participants | | Baseline 2 to Week 48. | | | | ID | Title | Description |
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| OG000 | ENF + HAART | Participants received enfuvirtide 90 mg subcutaneously twice a day in combination with highly active antiretroviral treatment during the Induction and Maintenance Phase for up to 48 weeks of treatment. | | OG001 | HAART | Participants received highly active antiretroviral treatment during the Induction and Maintenance Phase for up to 48 weeks of treatment. | | OG002 | HAART (ENF Removed) | Participants who had received ENF + HAART during the Induction Phase and responded to treatment by Week 24 continued to receive HAART alone during the Maintenance Phase, for a total of 48 weeks of treatment. |
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| Secondary | Percentage of Participants With Improvement in CD4+ Count During the Maintenance Phase | Improvement of CD4+ count defined as having from 100 to less than 200 CD4+ cells/mm^3 at Baseline 2 (BL2) and greater than or equal to 200 cells/mm^3 at Week 48. | Maintenance Phase ITT2 population with a Baseline 2 CD4+ count of ≥100 to <200 cells/mm^3. | Posted | | Number | | percentage of participants | | Baseline 2 to Week 48. | | | | ID | Title | Description |
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| OG000 | ENF + HAART | Participants received enfuvirtide 90 mg subcutaneously twice a day in combination with highly active antiretroviral treatment during the Induction and Maintenance Phase for up to 48 weeks of treatment. | | OG001 | HAART | Participants received highly active antiretroviral treatment during the Induction and Maintenance Phase for up to 48 weeks of treatment. | | OG002 | HAART (ENF Removed) | Participants who had received ENF + HAART during the Induction Phase and responded to treatment by Week 24 continued to receive HAART alone during the Maintenance Phase, for a total of 48 weeks of treatment. |
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| Secondary | Number of Participants With Adverse Events (AEs) During the Induction Phase | A serious AE (SAE) is an event which: results in death, is life-threatening, disabling or incapacitating; is a congenital anomaly in the offspring of a patient who received study drug; requires or prolongs inpatient hospitalization; jeopardizes the patient or require medical or surgical intervention to prevent one of the outcomes above; any Grade 4 laboratory value considered by the investigator clinically significant or that requires an action; any injection site reaction that meets SAE criteria above. Non-serious AEs reported include pneumonia and non-serious AEs that led to discontinuation. | | Posted | | Number | | participants | | Start of the study treatment until the end of the Induction Phase (Week 12 to Week 32) | | | | ID | Title | Description |
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| OG000 | ENF+HAART | Participants received enfuvirtide 90 mg subcutaneously twice a day in combination with highly active antiretroviral treatment. | | OG001 | HAART | Participants received highly active antiretroviral treatment. |
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