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

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
 
ClinicalTrials.gov Identifier: NCT01631552
Recruitment Status : Completed
First Posted : June 29, 2012
Results First Posted : April 6, 2021
Last Update Posted : August 12, 2021
Sponsor:
Information provided by (Responsible Party):
Gilead Sciences

Brief Summary:

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).


Condition or disease Intervention/treatment Phase
Gastric Adenocarcinoma Esophageal Cancer Hepatocellular Carcinoma Non-small Cell Lung Cancer Small Cell Lung Cancer Ovarian Epithelial Cancer Carcinoma Breast Stage IV Hormone-refractory Prostate Cancer Head and Neck Cancers- Squamous Cell Renal Cell Cancer Urinary Bladder Neoplasms Cervical Cancer Endometrial Cancer Glioblastoma Multiforme Triple Negative Breast Cancer Pancreatic Cancer Drug: Sacituzumab Govitecan-hziy (SG) Phase 1 Phase 2

Detailed Description:
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.

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 515 participants
Allocation: Non-Randomized
Intervention Model: Sequential Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: A Phase I/II Study of IMMU-132 (hRS7-SN38 Antibody Drug Conjugate) in Patients With Epithelial Cancer
Actual Study Start Date : December 17, 2012
Actual Primary Completion Date : March 1, 2019
Actual Study Completion Date : August 13, 2020


Arm Intervention/treatment
Experimental: Sacituzumab Govitecan-hziy (SG) 8 mg/kg
Participants will receive sacituzumab govitecan-hziy (SG) 8 mg/kg of body weight via intravenous (IV) infusion on Days 1 and 8 of a 21-day treatment cycle until disease progression or unacceptable toxicity.
Drug: Sacituzumab Govitecan-hziy (SG)
Administered via intravenous (IV) infusion
Other Names:
  • hRS7-SN38
  • IMMU-132

Experimental: SG 10 mg/kg
Participants will receive SG 10 mg/kg of body weight via intravenous (IV) infusion on Days 1 and 8 of a 21-day treatment cycle until disease progression or unacceptable toxicity.
Drug: Sacituzumab Govitecan-hziy (SG)
Administered via intravenous (IV) infusion
Other Names:
  • hRS7-SN38
  • IMMU-132

Experimental: SG 12 mg/kg
Participants will receive SG 12 mg/kg of body weight via intravenous (IV) infusion on Days 1 and 8 of a 21-day treatment cycle until disease progression or unacceptable toxicity.
Drug: Sacituzumab Govitecan-hziy (SG)
Administered via intravenous (IV) infusion
Other Names:
  • hRS7-SN38
  • IMMU-132

Experimental: SG 18 mg/kg
Participants will receive SG 18 mg/kg of body weight via intravenous (IV) infusion on Days 1 and 8 of a 21-day treatment cycle until disease progression or unacceptable toxicity.
Drug: Sacituzumab Govitecan-hziy (SG)
Administered via intravenous (IV) infusion
Other Names:
  • hRS7-SN38
  • IMMU-132




Primary Outcome Measures :
  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 Outcome Measures :
  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.



Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.


Layout table for eligibility information
Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

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.

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01631552


Locations
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United States, Colorado
University of Colorado Anschutz Medical Campus
Aurora, Colorado, United States, 080045
United States, Connecticut
Yale University School of Medicine
New Haven, Connecticut, United States, 06511
United States, Delaware
Helen F. Graham Cancer Center
Newark, Delaware, United States, 19713
United States, Florida
MD Anderson Cancer Center Orlando (UF Health Cancer Center)
Orlando, Florida, United States, 32806
Moffitt Cancer Center
Tampa, Florida, United States, 33612
United States, Indiana
IU Health Goshen Cancer Center
Goshen, Indiana, United States, 46526
United States, Massachusetts
Massachusettes General Hospital
Boston, Massachusetts, United States, 02114
United States, New York
Weill Cornell/New York Presbyterian Hospital
New York, New York, United States, 10021
Columbia University Herbert Irving Cancer Center
New York, New York, United States, 10032
United States, Tennessee
Vanderbilt-Ingram Cancer Center
Nashville, Tennessee, United States, 37212
United States, Texas
Texas Oncology Sammons Cancer Center
Dallas, Texas, United States, 75246
United States, Washington
Virginia Mason Cancer Center
Seattle, Washington, United States, 98111
Sponsors and Collaborators
Gilead Sciences
Investigators
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Study Director: Gilead Study Director Gilead Sciences
  Study Documents (Full-Text)

Documents provided by Gilead Sciences:
Study Protocol  [PDF] January 23, 2020
Statistical Analysis Plan  [PDF] February 27, 2019

Publications of Results:
Santin AD, Komiya T, Goldenberg DM, et al. Sacituzumab govitecan (SG) in patients (pts) with previously treated metastatic endometrial cancer (mEC): results from a phase 1/2 study. J Clin Oncol. 2020; 38 (suppl; abstr 6081)
Tagawa ST, Faltas M, Lam ET, et al. Sacituzumab govitecan (IMMU-132) in patients with previously treated metastatic urothelial cancer (mUC): Results from a phase I/II study. J Clin Oncol. 2019;39(suppl 7S):abstr 354.
Bardia A, Diamond JR, Vahdat LT, et al. Efficacy of sacituzumab govitecan (anti-Trop-2-SN-38 antibody-drug conjugate) for treatment-refractory hormone-receptor positive (HR+)/HER2- metastatic breast cancer (mBC). J Clin Oncol. 2018;36(15 suppl):1004.

Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
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Responsible Party: Gilead Sciences
ClinicalTrials.gov Identifier: NCT01631552    
Other Study ID Numbers: IMMU-132-01
First Posted: June 29, 2012    Key Record Dates
Results First Posted: April 6, 2021
Last Update Posted: August 12, 2021
Last Verified: August 2021

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Studies a U.S. FDA-regulated Drug Product: Yes
Studies a U.S. FDA-regulated Device Product: No
Additional relevant MeSH terms:
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Carcinoma
Lung Neoplasms
Glioblastoma
Small Cell Lung Carcinoma
Endometrial Neoplasms
Triple Negative Breast Neoplasms
Carcinoma, Ovarian Epithelial
Carcinoma, Renal Cell
Urinary Bladder Neoplasms
Breast Neoplasms
Neoplasms, Glandular and Epithelial
Neoplasms by Histologic Type
Neoplasms
Respiratory Tract Neoplasms
Thoracic Neoplasms
Neoplasms by Site
Lung Diseases
Respiratory Tract Diseases
Urogenital Neoplasms
Genital Diseases
Urogenital Diseases
Male Urogenital Diseases
Carcinoma, Bronchogenic
Bronchial Neoplasms
Adenocarcinoma
Endocrine Gland Neoplasms
Endocrine System Diseases
Astrocytoma
Glioma
Neoplasms, Neuroepithelial