| Primary | Percentage of Participants Achieving Complete Response (CR) or Partial Response (PR) According to the Response Evaluation Criteria in Solid Tumors (RECIST) Version 1.0 Guidelines | CR was defined for target lesions (TLs) as the disappearance of all lesions, and for nontarget lesions (NTLs) as the disappearance of all nontarget nonmeasurable lesions. PR was defined for TLs as at least a 30 percent (%) decrease from baseline (BL) in the sum of longest diameter (SLD) of TLs. 95% confidence interval for one-sample binomial using Pearson-Clopper method. | FAS; Cohort A (trastuzumab monotherapy) was closed prematurely due to enrollment difficulties. Therefore, Cohort A included only 3 participants and none of the data from these 3 participants were analyzed for any of the specified endpoints. | Posted | | Number | 95% Confidence Interval | percentage of participants | | Baseline (BL); Day 1 of Weeks 7, 13, 19, 25, 37, and 52, at the last administration of study treatment, every 24 weeks thereafter until disease progression for up to 6 months after the last participant was recruited | | | | ID | Title | Description |
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| OG000 | Trastuzumab Monotherapy | Participants received either an initial loading dose of trastuzumab 4 mg/kg, IV, on Day 1, followed by 2 mg/kg, IV, once per week, or an initial loading dose of 8 mg/kg IV on Day 1, followed by 6 mg/kg IV once every 3 weeks, until disease progression, unacceptable toxicity, withdrawal or death. | | OG001 | Trastuzumab, Taxane | Participants received either an initial loading dose of trastuzumab 4 mg/kg IV on Day 1, followed by 2 mg/kg IV once per week, or an initial loading dose of 8 mg/kg IV on Day 1, followed by 6 mg/kg IV every 3 weeks, until disease progression, unacceptable toxicity, withdrawal or death. Participants also received one of the following taxanes (at the investigator's discretion) for at least 18 weeks: docetaxel 100 mg/m^2, IV, once every 3 weeks, OR, paclitaxel 75 mg/m^2, IV, once per week, OR, paclitaxel 175 mg/m^2, IV, once every 3 weeks. |
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| Secondary | Duration of Response - Percentage of Participants With Progressive Disease or Death | Duration of response was defined as the time from first confirmed CR or PR until death or progressive disease (PD). For TLs, PD was defined as at least a 20% increase in the SLD of the TL, taking as reference the smallest SLD recorded since the beginning of treatment or the appearance of one or more new lesions. For NTLs, PD was defined as the appearance of one or more new lesions or unequivocal progression of existing non target non-measurable lesions. Participants were censored at the date of the last tumor assessment. | FAS. Duration of response was assessed in participants with a best overall response of CR or PR. Cohort A (trastuzumab monotherapy) was closed prematurely due to enrollment difficulties. Therefore, Cohort A included only 3 participants and none of the data from these 3 participants were analyzed for any of the specified endpoints. | Posted | | Number | | percentage of participants | | BL, Day 1 of Weeks 7, 13, 19, 25, 37, and 52, at the last administration of study treatment, every 24 weeks thereafter until disease progression for up to 6 months after the last participant was recruited | | | | ID | Title | Description |
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| OG000 | Trastuzumab Monotherapy | Participants received either an initial loading dose of trastuzumab 4 mg/kg, IV, on Day 1, followed by 2 mg/kg, IV, once per week, or an initial loading dose of 8 mg/kg IV on Day 1, followed by 6 mg/kg IV once every 3 weeks, until disease progression, unacceptable toxicity, withdrawal or death. | | OG001 | Trastuzumab, Taxane |
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| Secondary | Duration of Response | The time, in months, from when the response (CR or PR) was first noted until the date of documented PD, death, or withdrawal, whichever occurred first. Participants were censored at the date of the last tumor assessment. | FAS. Duration of response was assessed in participants with a best overall response of CR or PR. Cohort A (trastuzumab monotherapy) was closed prematurely due to enrollment difficulties. Therefore, Cohort A included only 3 participants and none of the data from these 3 participants were analyzed for any of the specified endpoints. | Posted | | Median | 95% Confidence Interval | months | | BL, Day 1 of Weeks 7, 13, 19, 25, 37, and 52, at the last administration of study treatment, every 24 weeks thereafter until disease progression for up to 6 months after the last participant was recruited | | | | ID | Title | Description |
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| OG000 | Trastuzumab Monotherapy | Participants received either an initial loading dose of trastuzumab 4 mg/kg, IV, on Day 1, followed by 2 mg/kg, IV, once per week, or an initial loading dose of 8 mg/kg IV on Day 1, followed by 6 mg/kg IV once every 3 weeks, until disease progression, unacceptable toxicity, withdrawal or death. | | OG001 | Trastuzumab, Taxane | Participants received either an initial loading dose of trastuzumab 4 mg/kg IV on Day 1, followed by 2 mg/kg IV once per week, or an initial loading dose of 8 mg/kg IV on Day 1, followed by 6 mg/kg IV every 3 weeks, until disease progression, unacceptable toxicity, withdrawal or death. Participants also received one of the following taxanes (at the investigator's discretion) for at least 18 weeks: docetaxel 100 mg/m^2, IV, once every 3 weeks, OR, paclitaxel 75 mg/m^2, IV, once per week, OR, paclitaxel 175 mg/m^2, IV, once every 3 weeks. |
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| Secondary | Progression-free Survival (PFS) - Percentage of Participants With Progressive Disease | PFS was defined as the time from day of first study drug infusion until death or PD. Participants were censored at the date of the last tumor assessment. | FAS; Cohort A (trastuzumab monotherapy) was closed prematurely due to enrollment difficulties. Therefore, Cohort A included only 3 participants and none of the data from these 3 participants were analyzed for any of the specified endpoints. | Posted | | Number | | percentage of participants | | BL, Day 1 of Weeks 7, 13, 19, 25, 37, and 52, at the last administration of study treatment, every 24 weeks thereafter until disease progression for up to 6 months after the last participant was recruited | | | | ID | Title | Description |
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| OG000 | Trastuzumab Monotherapy | Participants received either an initial loading dose of trastuzumab 4 mg/kg, IV, on Day 1, followed by 2 mg/kg, IV, once per week, or an initial loading dose of 8 mg/kg IV on Day 1, followed by 6 mg/kg IV once every 3 weeks, until disease progression, unacceptable toxicity, withdrawal or death. | | OG001 | Trastuzumab, Taxane | Participants received either an initial loading dose of trastuzumab 4 mg/kg IV on Day 1, followed by 2 mg/kg IV once per week, or an initial loading dose of 8 mg/kg IV on Day 1, followed by 6 mg/kg IV every 3 weeks, until disease progression, unacceptable toxicity, withdrawal or death. Participants also received one of the following taxanes (at the investigator's discretion) for at least 18 weeks: docetaxel 100 mg/m^2, IV, once every 3 weeks, OR, paclitaxel 75 mg/m^2, IV, once per week, OR, paclitaxel 175 mg/m^2, IV, once every 3 weeks. |
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| Secondary | Progression-Free Survival | The time, in months, from BL to PFS event. | FAS; Cohort A (trastuzumab monotherapy) was closed prematurely due to enrollment difficulties. Therefore, Cohort A included only 3 participants and none of the data from these 3 participants were analyzed for any of the specified endpoints. | Posted | | Median | 95% Confidence Interval | months | | BL, Day 1 of Weeks 7, 13, 19, 25, 37, and 52, at the last administration of study treatment, every 24 weeks thereafter until disease progression for up to 6 months after the last participant was recruited | | | | ID | Title | Description |
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| OG000 | Trastuzumab Monotherapy | Participants received either an initial loading dose of trastuzumab 4 mg/kg, IV, on Day 1, followed by 2 mg/kg, IV, once per week, or an initial loading dose of 8 mg/kg IV on Day 1, followed by 6 mg/kg IV once every 3 weeks, until disease progression, unacceptable toxicity, withdrawal or death. | | OG001 | Trastuzumab, Taxane | Participants received either an initial loading dose of trastuzumab 4 mg/kg IV on Day 1, followed by 2 mg/kg IV once per week, or an initial loading dose of 8 mg/kg IV on Day 1, followed by 6 mg/kg IV every 3 weeks, until disease progression, unacceptable toxicity, withdrawal or death. Participants also received one of the following taxanes (at the investigator's discretion) for at least 18 weeks: docetaxel 100 mg/m^2, IV, once every 3 weeks, OR, paclitaxel 75 mg/m^2, IV, once per week, OR, paclitaxel 175 mg/m^2, IV, once every 3 weeks. |
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| Secondary | Percentage of Participants With Treatment Failure | Treatment failure was defined as the time from first study drug infusion to failure. Failure was defined as any of the following: PD, death, withdrawal due to adverse event (AE) or lab abnormality, or refusal of treatment. Participants were censored at the last date recorded in the case report form (CRF) or the date of withdrawal. | FAS; Cohort A (trastuzumab monotherapy) was closed prematurely due to enrollment difficulties. Therefore, Cohort A included only 3 participants and none of the data from these 3 participants were analyzed for any of the specified endpoints. | Posted | | Number | | percentage of participants | | BL, Day 1 of Weeks 7, 13, 19, 25, 37, and 52, at the last administration of study treatment, every 24 weeks thereafter until disease progression for up to 6 months after the last participant was recruited | | | | ID | Title | Description |
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| OG000 | Trastuzumab Monotherapy | Participants received either an initial loading dose of trastuzumab 4 mg/kg, IV, on Day 1, followed by 2 mg/kg, IV, once per week, or an initial loading dose of 8 mg/kg IV on Day 1, followed by 6 mg/kg IV once every 3 weeks, until disease progression, unacceptable toxicity, withdrawal or death. | | OG001 | Trastuzumab, Taxane | Participants received either an initial loading dose of trastuzumab 4 mg/kg IV on Day 1, followed by 2 mg/kg IV once per week, or an initial loading dose of 8 mg/kg IV on Day 1, followed by 6 mg/kg IV every 3 weeks, until disease progression, unacceptable toxicity, withdrawal or death. Participants also received one of the following taxanes (at the investigator's discretion) for at least 18 weeks: docetaxel 100 mg/m^2, IV, once every 3 weeks, OR, paclitaxel 75 mg/m^2, IV, once per week, OR, paclitaxel 175 mg/m^2, IV, once every 3 weeks. |
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| Secondary | Time to Treatment Failure | The time, in months, from BL to treatment failure. | FAS; Cohort A (trastuzumab monotherapy) was closed prematurely due to enrollment difficulties. Therefore, Cohort A included only 3 participants and none of the data from these 3 participants were analyzed for any of the specified endpoints. | Posted | | Median | 95% Confidence Interval | months | | BL, Day 1 of Weeks 7, 13, 19, 25, 37, and 52, at the last administration of study treatment, every 24 weeks thereafter until disease progression for up to 6 months after the last participant was recruited | | | | ID | Title | Description |
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| OG000 | Trastuzumab Monotherapy | Participants received either an initial loading dose of trastuzumab 4 mg/kg, IV, on Day 1, followed by 2 mg/kg, IV, once per week, or an initial loading dose of 8 mg/kg IV on Day 1, followed by 6 mg/kg IV once every 3 weeks, until disease progression, unacceptable toxicity, withdrawal or death. | | OG001 | Trastuzumab, Taxane | Participants received either an initial loading dose of trastuzumab 4 mg/kg IV on Day 1, followed by 2 mg/kg IV once per week, or an initial loading dose of 8 mg/kg IV on Day 1, followed by 6 mg/kg IV every 3 weeks, until disease progression, unacceptable toxicity, withdrawal or death. Participants also received one of the following taxanes (at the investigator's discretion) for at least 18 weeks: docetaxel 100 mg/m^2, IV, once every 3 weeks, OR, paclitaxel 75 mg/m^2, IV, once per week, OR, paclitaxel 175 mg/m^2, IV, once every 3 weeks. |
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| Secondary | Percentage of Participants With Clinical Benefit According to RECIST Guidelines | Clinical benefit was defined as stable disease (SD) for 6 months or longer, or a confirmed overall response of CR or PR. For TLs, SD was defined as neither sufficient shrinkage to qualify for PR nor sufficient increase to qualify for PD, taking as reference the smallest SLD since the beginning of treatment. For NTLs, SD was synonymous with incomplete response and defined as the persistence of one or more NTLs and/or maintenance of tumor marker level above the normal limits. | FAS; Cohort A (trastuzumab monotherapy) was closed prematurely due to enrollment difficulties. Therefore, Cohort A included only 3 participants and none of the data from these 3 participants were analyzed for any of the specified endpoints. | Posted | | Number | 95% Confidence Interval | percentage of participants | | BL, Day 1 of Weeks 7, 13, 19, 25, 37, and 52, at the last administration of study treatment, every 24 weeks thereafter until disease progression for up to 6 months after the last participant was recruited | | | | ID | Title | Description |
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| OG000 | Trastuzumab Monotherapy | Participants received either an initial loading dose of trastuzumab 4 mg/kg, IV, on Day 1, followed by 2 mg/kg, IV, once per week, or an initial loading dose of 8 mg/kg IV on Day 1, followed by 6 mg/kg IV once every 3 weeks, until disease progression, unacceptable toxicity, withdrawal or death. | | OG001 | Trastuzumab, Taxane | Participants received either an initial loading dose of trastuzumab 4 mg/kg IV on Day 1, followed by 2 mg/kg IV once per week, or an initial loading dose of 8 mg/kg IV on Day 1, followed by 6 mg/kg IV every 3 weeks, until disease progression, unacceptable toxicity, withdrawal or death. Participants also received one of the following taxanes (at the investigator's discretion) for at least 18 weeks: docetaxel 100 mg/m^2, IV, once every 3 weeks, OR, paclitaxel 75 mg/m^2, IV, once per week, OR, paclitaxel 175 mg/m^2, IV, once every 3 weeks. |
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| Secondary | Overall Survival - Percentage of Participants Who Died | OS was defined as the time from the date of enrollment to the date of death due to any cause. Participants were censored at the last date recorded in the CRF. | FAS; Cohort A (trastuzumab monotherapy) was closed prematurely due to enrollment difficulties. Therefore, Cohort A included only 3 participants and none of the data from these 3 participants were analyzed for any of the specified endpoints. | Posted | | Number | | percentage of participants | | BL, Day 1 of Weeks 1, 4, 7, 10, 13, 16, 19, 25, 37, and 5 at the last administration of study treatment, every 24 weeks thereafter until disease progression or death, yearly thereafter up to 2 years after cessation of recruitment | | | | ID | Title | Description |
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| OG000 | Trastuzumab Monotherapy | Participants received either an initial loading dose of trastuzumab 4 mg/kg, IV, on Day 1, followed by 2 mg/kg, IV, once per week, or an initial loading dose of 8 mg/kg IV on Day 1, followed by 6 mg/kg IV once every 3 weeks, until disease progression, unacceptable toxicity, withdrawal or death. | | OG001 | Trastuzumab, Taxane | Participants received either an initial loading dose of trastuzumab 4 mg/kg IV on Day 1, followed by 2 mg/kg IV once per week, or an initial loading dose of 8 mg/kg IV on Day 1, followed by 6 mg/kg IV every 3 weeks, until disease progression, unacceptable toxicity, withdrawal or death. Participants also received one of the following taxanes (at the investigator's discretion) for at least 18 weeks: docetaxel 100 mg/m^2, IV, once every 3 weeks, OR, paclitaxel 75 mg/m^2, IV, once per week, OR, paclitaxel 175 mg/m^2, IV, once every 3 weeks. |
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| Secondary | Overall Survival | The time, in months, from BL to death due to any cause. | FAS; Cohort A (trastuzumab monotherapy) was closed prematurely due to enrollment difficulties. Therefore, Cohort A included only 3 participants and none of the data from these 3 participants were analyzed for any of the specified endpoints. | Posted | | Median | 95% Confidence Interval | months | | BL, Day 1 of Weeks 1, 4, 7, 10, 13, 16, 19, 25, 37, and 52 at the last administration of study treatment, every 24 weeks thereafter until disease progression or death, yearly thereafter up to 2 years after cessation of recruitment | | | | ID | Title | Description |
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| OG000 | Trastuzumab Monotherapy | Participants received either an initial loading dose of trastuzumab 4 mg/kg, IV, on Day 1, followed by 2 mg/kg, IV, once per week, or an initial loading dose of 8 mg/kg IV on Day 1, followed by 6 mg/kg IV once every 3 weeks, until disease progression, unacceptable toxicity, withdrawal or death. | | OG001 | Trastuzumab, Taxane | Participants received either an initial loading dose of trastuzumab 4 mg/kg IV on Day 1, followed by 2 mg/kg IV once per week, or an initial loading dose of 8 mg/kg IV on Day 1, followed by 6 mg/kg IV every 3 weeks, until disease progression, unacceptable toxicity, withdrawal or death. Participants also received one of the following taxanes (at the investigator's discretion) for at least 18 weeks: docetaxel 100 mg/m^2, IV, once every 3 weeks, OR, paclitaxel 75 mg/m^2, IV, once per week, OR, paclitaxel 175 mg/m^2, IV, once every 3 weeks. |
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