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Completed

NCT Number: NCT01631552

Study of Sacituzumab Govitecan-hziy (IMMU-132) in Adults With Epithelial Cancer

The primary objective in Phase I is to evaluate the safety and tolerability of sacituzumab govitecan-hziy (SG) as a single agent administered in 21-day treatment cycles in previously treated participants with advanced epithelial cancer. In Phase II, the primary objective is to evaluate the safety and efficacy of sacituzumab govitecan-hziy administered in 21-day treatment cycles at a dose selected in Phase I.

Tumor types in the study will include: cervical, colorectal, endometrial, ovarian, esophageal, gastric adenocarcinoma, glioblastoma multiforme, head and neck cancers- squamous cell, hepatocellular, prostate, non-small-cell lung cancer, pancreatic, renal cell, small-cell lung cancer, non-triple negative breast cancer (non-TNBC), triple-negative breast cancer (TNBC) and metastatic urothelial cancer (mUC).

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Key information

Conditions

Gastric Adenocarcinoma Adenocarcinoma Adnexal Diseases Astrocytoma Breast Diseases Breast Neoplasms Bronchial Neoplasms Carcinoma Carcinoma Breast Stage IV Carcinoma, Bronchogenic Carcinoma, Hepatocellular Carcinoma, Non-Small-Cell Lung Carcinoma, Ovarian Epithelial Carcinoma, Renal Cell Cervical Cancer Digestive System Diseases Digestive System Neoplasms Endocrine Gland Neoplasms Endocrine System Diseases Endometrial Cancer Endometrial Neoplasms Esophageal Cancer Esophageal Diseases Esophageal Neoplasms Female Urogenital Diseases Female Urogenital Diseases and Pregnancy Complications Gastrointestinal Diseases Gastrointestinal Neoplasms Genital Diseases Genital Diseases, Female Genital Neoplasms, Female Glioblastoma Glioblastoma Multiforme Glioma Gonadal Disorders Head and Neck Cancers- Squamous Cell Head and Neck Neoplasms Hepatocellular Carcinoma Hormone-Refractory Prostate Cancer Kidney Diseases Kidney Neoplasms Liver Diseases Liver Neoplasms Lung Diseases Lung Neoplasms Male Urogenital Diseases Neoplasms Neoplasms by Histologic Type Neoplasms by Site Neoplasms, Germ Cell and Embryonal Neoplasms, Glandular and Epithelial Neoplasms, Nerve Tissue Neoplasms, Neuroepithelial Neuroectodermal Tumors Non-small Cell Lung Cancer Ovarian Diseases Ovarian Epithelial Cancer Ovarian Neoplasms Pancreatic Cancer Pancreatic Diseases Pancreatic Neoplasms Renal Cell Cancer Respiratory Tract Diseases Respiratory Tract Neoplasms Skin Diseases Skin and Connective Tissue Diseases Small Cell Lung Cancer Small Cell Lung Carcinoma Thoracic Neoplasms Triple Negative Breast Cancer Triple Negative Breast Neoplasms Urinary Bladder Diseases Urinary Bladder Neoplasms Urogenital Diseases Urogenital Neoplasms Urologic Diseases Urologic Neoplasms Uterine Cervical Diseases Uterine Cervical Neoplasms Uterine Diseases Uterine Neoplasms

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 1 / Phase 2

Primary location

University of Colorado Anschutz Medical Campus, Aurora, Colorado, United States

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About this study

The outcome measures are planned to be assessed up to the data cutoff date. Following the data cutoff date, the participants will either stay on the study and will be followed for safety data collection or rolled into another Gilead-sponsored study. Therefore, only safety data will be collected after the data cutoff date.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Individuals able to understand and give written informed consent.
  • Histologically or cytologically confirmed epithelial cancer of one of the following types:
  • Gastric adenocarcinoma (GC)
  • Esophageal cancer (EC)
  • Hepatocellular carcinoma (HCC)
  • Non-small-cell lung cancer (NSCLC)
  • Small-cell lung cancer (SCLC)
  • Epithelial ovarian cancer (EOC)
  • Cervical Cancer
  • Endometrial Cancer
  • Triple-negative breast cancer (TNBC)
  • Non-triple-negative breast cancer
  • Papillary thyroid cancer (excludes follicular, medullary, Hurthle cell, and anaplastic thyroid cancer)
  • Glioblastoma multiforme (GBM)
  • Hormone-refractory prostate cancer (HRPC)
  • Head and neck cancers- squamous cell (SCCHN)
  • Renal cell cancer (clear cell) (RCC)
  • Urothelial cancer
  • Stage IV (metastatic) disease (except for individuals with GBM).
  • Refractory to or relapsed after at least one prior standard therapeutic regimen
  • Adequate performance status (ECOG 0 or 1)
  • Expected survival ≥ 6 months.
  • Measurable disease by CT or MRI.
  • At least 2 weeks beyond treatment (chemotherapy, investigational drugs including small molecular inhibitors, immunotherapy and/or radiation therapy) or major surgery and recovered from all acute toxicities to Grade 1 or less (except alopecia).
  • At least 2 weeks beyond high dose systemic corticosteroids (however, low dose corticosteroids < 20 mg prednisone or equivalent daily are permitted).
  • Adequate hematology without ongoing transfusional support (hemoglobin > 9 g/dL, absolute neutrophil count (ANC) > 1,500 per mm^3, platelets > 100,000 per mm^3).
  • Adequate renal and hepatic function (creatinine ≤ 2.0 x institutional upper limit of normal (IULN), bilirubin ≤ 1.5 IULN, aspartate aminotransferase (AST) and alanine aminotransferase (ALT) ≤ 3.0 x IULN or 5 x IULN if know liver metastases).
  • Otherwise, all toxicity at study entry ≤ Grade 1.

Exclusion criteria

  • Women who are pregnant or lactating.
  • Women of childbearing potential and fertile men unwilling to use effective contraception during study until conclusion of 12-week post-treatment evaluation period.
  • Individuals with Gilbert's disease.
  • Individuals with brain metastases can be enrolled only if treated, non-progressive brain metastases and off high-dose steroids (> 20 mg prednisone or equivalent) for at least 4 weeks.
  • Presence of bulky disease (defined as any single mass > 7 cm in its greatest dimension). Individuals with a mass over 7 cm, but otherwise eligible, may be considered for enrollment after discussion and approval with the medical monitor.
  • Individuals with active ≥ grade 2 anorexia, nausea or vomiting, and/or signs of intestinal obstruction.
  • Individuals with non-melanoma skin cancer or carcinoma in situ of the cervix are eligible, while individuals with other prior malignancies must have had at least a 3-year disease-free interval.
  • Individuals known to be HIV positive, hepatitis B positive, or hepatitis C positive.
  • Known history of unstable angina, MI, or CHF present within 6 months or clinically significant cardiac arrhythmia (other than stable atrial fibrillation) requiring anti-arrhythmia therapy.
  • Known history of clinically significant active COPD, or other moderate-to-severe chronic respiratory illness present within 6 months.
  • Prior history of clinically significant bleeding, intestinal obstruction, or GI perforation within 6 months of initiation of study treatment.
  • Infection requiring intravenous antibiotic use within 1 week.
  • History of an anaphylactic reaction to irinotecan or ≥ Grade 3 GI toxicity to prior irinotecan,
  • Other concurrent medical or psychiatric conditions that, in the Investigator's opinion, may be likely to confound study interpretation or prevent completion of study procedures and follow-up examinations.

Treatment and study plan

Sacituzumab Govitecan-hziy (SG)

Drug

Administered via intravenous (IV) infusion

Other names: hRS7-SN38, IMMU-132

Primary outcomes

  1. Percentage of Participants Experiencing Any Treatment Emergent Adverse Events and Serious Treatment Emergent Adverse Events

    Time frame: First dose date up to last dose for data cutoff date of 01 March 2019 (maximum duration: 55.2 months) plus 30 days

    Treatment-emergent adverse events (TEAEs) were defined as any adverse events (AEs) that begin or worsen on or after the start of study drug through 30 days after the last dose of study drug. The severity was graded based on the National Cancer Institute's Common Terminology Criteria for Adverse Events Version 4.03. An AE that met one or more of the following outcomes was classified as serious:

    • Fatal
    • Life-threatening
    • Disabling/incapacitating
    • Results in hospitalization or prolongs a hospital stay
    • A congenital abnormality
    • Other important medical events may also be considered serious AEs if they may require medical or surgical intervention to prevent one of the outcomes listed above

    Per planned analysis, populations to be used for evaluation of this outcome measure were as follows: Triple Negative Breast Cancer (TNBC) Target Population, HR+/HER2- Metastatic Breast Cancer (mBC) Population, Metastatic Urothelial Cancer (mUC) Population, and Overall Safety Population.

  2. Percentage of Participants Who Permanently Discontinued Sacituzumab Govitecan-hziy (SG) Due to Any Adverse Events, Excluding Adverse Events Leading to Death

    Time frame: First dose date up to last dose for data cutoff date of 01 March 2019 (maximum duration: 55.2 months)

    Per planned analysis, populations to be used for evaluation of this outcome measure were as follows: Triple Negative Breast Cancer (TNBC) Target Population, HR+/HER2- Metastatic Breast Cancer (mBC) Population, Metastatic Urothelial Cancer (mUC) Population, and Overall Safety Population (OSP).

  3. Percentage of Participants Who Required Dose Interruption Due to Any Adverse Events

    Time frame: First dose date up to last dose for data cutoff date of 01 March 2019 (maximum duration: 55.2 months)

    Per planned analysis, populations to be used for evaluation of this outcome measure were as follows: Triple Negative Breast Cancer (TNBC) Target Population, HR+/HER2- Metastatic Breast Cancer (mBC) Population, Metastatic Urothelial Cancer (mUC) Population, and Overall Safety Population (OSP).

  4. Objective Response Rate (ORR) by Independent Central Review (ICR)

    Time frame: Up to data cutoff date of 01 March 2019 (maximum duration: 74 months)

    ORR was defined as the rate an overall best response of either complete response (CR) or partial response (PR) by ICR assessment according to RECIST1.1. CR was defined as the disappearance of all target lesions and reduction in short axis of any pathologic lymphnode to <10 mm. PR was defined as ≥ 30% decrease in the sum of diameters of target lesions, taking the baseline sum diameters. Per planned analysis, ORR by ICR was assessed for the TNBC Target Population only.

  5. Objective Response Rate by Local Assessment

    Time frame: Up to data cutoff date of 01 March 2019 (maximum duration: 74 months)

    ORR was defined as the rate an overall best response of either complete response (CR) or partial response (PR) by local assessment. CR was defined as the disappearance of all target lesions and reduction in short axis of any pathologic lymphnode to <10 mm. PR was defined as ≥3 0% decrease in the sum of diameters of target lesions, taking the baseline sum diameters. Per planned analysis, ORR by Local Assessment was assessed for TNBC Target Population, HR+/HER2-mBC Population, and mUC Population.

Secondary outcomes

  1. Duration of Response by ICR

    Time frame: Up to data cutoff date of 01 March 2019 (maximum duration: 74 months)

    Duration of Response was defined as the duration of overall response measured from the time measurement criteria are met for CR or PR (whichever is first recorded) until the first date that recurrent or progressive disease is objectively documented (taking as reference for progressive disease the smallest measurements recorded since the treatment started). Per planned analysis, ORR by ICR was assessed for the TNBC Target Population only.

  2. Duration of Response by Local Assessment

    Time frame: Up to data cutoff date of 01 March 2019 (maximum duration: 74 months)

    Duration of Response was defined as the duration of overall response measured from the time measurement criteria are met for CR or PR (whichever is first recorded) until the first date that recurrent or progressive disease is objectively documented (taking as reference for progressive disease the smallest measurements recorded since the treatment started). Per planned analysis, duration of response by local assessment was assessed for TNBC Target Population, HR+/HER2-mBC Population, and mUC Population.

  3. Time to Response by ICR

    Time frame: Up to data cutoff date of 01 March 2019 (maximum duration: 74 months)

    Time to response was defined as the time from the first dose to the first documentation of response (PR or CR). Per planned analysis, time to response by ICR was assessed for the TNBC Target Population only.

  4. Time to Response by Local Assessments

    Time frame: Up to data cutoff date of 01 March 2019 (maximum duration: 74 months)

    Time to response was defined as the time from the first dose to the first documentation of response (PR or CR). Per planned analysis, time to response by local assessment was assessed for TNBC Target Population, HR+/HER2-mBC Population, and mUC Population.

  5. Clinical Benefit Rate (CBR) by Local Assessment

    Time frame: Up to data cutoff date of 01 March 2019 (maximum duration: 74 months)

    Clinical benefit rate (CR+PR+[stable disease (SD) ≥ 6 months]) is defined as those participants with best response as CR or PR or else SD with a duration of at least 6 months. SD for 6 months duration was defined as the time from the first dose to the first documentation of PD or to the last adequate response assessment prior to data cut-off date, whichever is earlier. Per planned analysis, CBR by local assessment was assessed for TNBC Target Population, HR+/HER2-mBC Population, and mUC Population.

  6. Progression Free Survival (PFS) by Local Assessment

    Time frame: Up to data cutoff date of 01 March 2019 (maximum duration: 74 months)

    Progression-free survival (PFS) was defined as the interval from the first dose start date to the date of disease progression defined as documented progressive disease (PD) or death from any cause, whichever occurs first. Per planned analysis, PFS by local assessment was assessed for TNBC Target Population, HR+/HER2-mBC Population, and mUC Population.

  7. Overall Survival by Local Assessment

    Time frame: Up to data cutoff date of 01 March 2019 (maximum duration: 74 months)

    Overall survival was defined as the time from the date of the first dose start date to the date of death due to any cause. Per planned analysis, overall survival by local assessment was assessed for TNBC Target Population, HR+/HER2-mBC Population, and mUC Population.

  8. Pharmacokinetic (PK) Parameter: T1/2 of Total Antibody, SN-38 Glucuronide, Total SN-38, Sacituzumab Govitecan-hziy, and Free SN-38

    Time frame: Cycle 1: Preinfusion, 30 minutes and 3-4 hours post infusion, then 1 day, 2 days, 3 days, and 7 days later (1 Cycle = 21 days). Infusion duration: 3 hours (± 30 minutes) for 1st infusion; 1-2 hours (± 30 minutes) for subsequent infusions

    T1/2 was determined for 5 analytes: total antibody, SN-38 glucuronide, total SN-38, free SN-38, and sacituzumab govitecan-hziy, a derived antibody drug conjugate (ADC) concentration. SN-38 is one of the components of sacituzumab govitecan-hziy. T1/2 is defined as apparent terminal elimination half-life (h); calculated as 0.693/λz. The dose level evaluated for PK analysis was 10 mg/kg.

  9. PK Parameter: AUC0-24 of Total Antibody, SN-38 Glucuronide, Total SN-38, Sacituzumab Govitecan-hziy, and Free SN-38

    Time frame: Cycle 1: Preinfusion, 30 minutes and 3-4 hours post infusion, then 1 day, 2 days, 3 days, and 7 days later (1 Cycle = 21 days). Infusion duration: 3 hours (± 30 minutes) for 1st infusion; 1-2 hour (± 30 minutes) for subsequent infusions

    AUC0-24 was determined for 5 analytes: total antibody, SN-38 glucuronide, total SN-38, free SN-38, and sacituzumab govitecan-hziy, a derived antibody drug conjugate (ADC) concentration. SN-38 is one of the components of sacituzumab govitecan-hziy. AUC0-24 is defined as area under the serum concentration-time curve from time 0 to 24 hours. The dose level evaluated for PK analysis was 10 mg/kg.

  10. PK Parameter: AUC0-168 of Total Antibody, SN-38 Glucuronide, Total SN-38, Sacituzumab Govitecan-hziy, and Free SN-38

    Time frame: Cycle 1: Preinfusion, 30 minutes and 3-4 hours post infusion, then 1 day, 2 days, 3 days, and 7 days later (1 Cycle = 21 days). Infusion duration: 3 hours (± 30 minutes) for 1st infusion; 1-2 hour (± 30 minutes) for subsequent infusions

    AUC0-168 was determined for 5 analytes: total antibody, SN-38 glucuronide, total SN-38, free SN-38, and sacituzumab govitecan-hziy, a derived antibody drug conjugate (ADC) concentration. SN-38 is one of the components of sacituzumab govitecan-hziy. AUC0-168 is defined as area under the serum concentration-time curve from time 0 to 168 hours. The dose level evaluated for PK analysis was 10 mg/kg.

  11. PK Parameter: AUC0-inf of Total Antibody, SN-38 Glucuronide, Total SN-38, Sacituzumab Govitecan-hziy, and Free SN-38

    Time frame: Cycle 1: Preinfusion, 30 minutes and 3-4 hours post infusion, then 1 day, 2 days, 3 days, and 7 days later (1 Cycle = 21 days). Infusion duration: 3 hours (± 30 minutes) for 1st infusion; 1-2 hour (± 30 minutes) for subsequent infusions

    AUC0-inf was determined for 5 analytes: total antibody, SN-38 glucuronide, total SN-38, free SN-38, and sacituzumab govitecan-hziy, a derived antibody drug conjugate (ADC) concentration. SN-38 is one of the components of sacituzumab govitecan-hziy. AUC0-inf is defined as area under the serum concentration-time curve from time 0 extrapolated to infinity. The dose level evaluated for PK analysis was 10 mg/kg.

  12. PK Parameter: Cmax of Total Antibody, SN-38 Glucuronide, Total SN-38, Sacituzumab Govitecan-hziy, and Free SN-38

    Time frame: Cycle 1: Preinfusion, 30 minutes and 3-4 hours post infusion, then 1 day, 2 days, 3 days, and 7 days later (1 Cycle = 21 days). Infusion duration: 3 hours (± 30 minutes) for 1st infusion; 1-2 hour (± 30 minutes) for subsequent infusions

    Cmax was determined for 5 analytes: total antibody, SN-38 glucuronide, total SN-38, free SN-38, and sacituzumab govitecan-hziy, a derived antibody drug conjugate (ADC) concentration. SN-38 is one of the components of sacituzumab govitecan-hziy. Cmax is defined as maximum observed serum concentration obtained directly from the observed concentration-time data. The dose level evaluated for PK analysis was 10 mg/kg.

Sponsors and collaborators

Lead sponsor

Gilead Sciences

Industry

Registry information

Official study title

A Phase I/II Study of IMMU-132 (hRS7-SN38 Antibody Drug Conjugate) in Patients With Epithelial Cancer

Important dates

Study start
2012
Primary completion
2019
Study completion
2020
First posted
Jun 29, 2012
Registry last updated
Aug 12, 2021

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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