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Rovalpituzumab Tesirine (SC16LD6.5) in Recurrent Small Cell Lung Cancer

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ClinicalTrials.gov Identifier: NCT01901653
Recruitment Status : Completed
First Posted : July 17, 2013
Results First Posted : July 11, 2018
Last Update Posted : August 9, 2018
Sponsor:
Information provided by (Responsible Party):
Stemcentrx

Brief Summary:
The purpose of this study is to assess the safety and tolerability of rovalpituzumab tesirine (SC16LD6.5) at different dose levels in patients with small cell lung cancer whose cancer has progressed or recurred following standard chemotherapy. Once a safe and tolerable dose is determined, the anti-cancer activity of SC16LD6.5 will be assessed by measuring the extent of tumor shrinkage. SC16LD6.5 is an antibody-drug conjugate (ADC). The antibody (SC16) targets a protein that appears to be expressed on the surface of most small cell lung cancers that have been assessed using an immunohistochemical assay. The drug, D6.5, is a very potent form of chemotherapy, specifically a DNA-damaging agent, that is cell cycle independent. ADC's theoretically provide more precise delivery of chemotherapy to cancer cells, possibly improving effectiveness relative to toxicities.

Condition or disease Intervention/treatment Phase
Recurrent Small Cell Lung Cancer Drug: Rovalpituzumab tesirine (SC16LD6.5) Phase 1 Phase 2

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 82 participants
Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: Phase I/II Open Label Dose Escalation Study of the Safety, Pharmacokinetics, and Preliminary Efficacy of SC16LD6.5 as a Single Agent in Patients With Recurrent Small Cell Lung Cancer
Study Start Date : July 2013
Actual Primary Completion Date : November 28, 2016
Actual Study Completion Date : November 28, 2016

Resource links provided by the National Library of Medicine

MedlinePlus related topics: Lung Cancer

Arm Intervention/treatment
Experimental: Rovalpituzumab tesirine
Rovalpituzumab tesirine will be administered as a single agent, at increasing dose levels as permitted based on real-time assessment of safety and tolerability, intravenously over 30 minutes. Doses will be repeated on Day 1 of each 21-day or 42-day cycle until either unacceptable toxicity or evidence of disease progression occurs.
Drug: Rovalpituzumab tesirine (SC16LD6.5)



Primary Outcome Measures :
  1. Maximum Tolerated Dose (MTD) of Rovalpituzumab Tesirine [ Time Frame: The DLT period was defined as either 21 or 42 days following the first dose of Rovalpituzumab tesirine during dose escalation (Phase 1a), depending on Cycle length. ]
    MTD was determined by testing increasing doses from 0.05 mg/kg up to 0.8 mg/kg on Day 1 of every 21-day or 42-day cycle, Phase 1a cohorts 1 to 8. MTD will be defined as the dose level immediately below the dose level at which ≥ 2 of the first 3 subjects per cohort (or ≥ 2 of 6 subjects) during the first cycle experience a study drug related dose limiting toxicity (DLT).


Secondary Outcome Measures :
  1. Objective Response Rate (ORR) [ Time Frame: From first dose of rovalpituzumab tesirine to last event, up through study completion (on average approximately 4 months). ]

    Overall response was assessed at each visit post-baseline based on a subject's lesion measurements or assessments (complete response [CR], partial response [PR], stable disease [SD], progressive disease [PD], or not evaluable as defined by RECIST v1.1, plus an additional category of early death). The best overall response was then determined. A subject was defined as having an objective response if they had a best overall response of CR or PR prior to receiving any subsequent anticancer therapy; confirmed response is confirmation of CR or PR at least 4 weeks from the initial determination per RECIST v1.1. Subjects with a post-baseline assessment were included in the calculations for objective response rate (ORR).

    Outcome is based on data reported by Investigator (INV); available and evaluable radiographic scans were collected retrospectively for review by an Independent Review Committee (IRC).


  2. Duration of Response (DOR) [ Time Frame: From first dose of Rovalpituzumab tesirine to last event timepoint, up through study completion (on average approximately 4 months, but up to 6.51 months). ]

    Duration of response (DOR) was defined as the number of months from the initial CR or PR to the time of disease progression or death, whichever occurred first.

    Outcome is based on data reported by Investigator (INV); available and evaluable radiographic scans were collected retrospectively for review by an Independent Review Committee (IRC).


  3. Clinical Benefit Rate (CBR) [ Time Frame: From first dose of Rovalpituzumab tesirine to last event timepoint, up through study completion (on avergae approximately 4 months). ]

    Clinical Benefit is defined as a subject with best Overall Response of Complete Response (CR) or Partial Response (PR) or Stable Disease (SD) prior to receiving any subsequent anticancer therapy; as defined by RECIST version 1.1. CBR is defined as the proportion of subjects with Clinical Benefit based on assessment of overall response. CBR will be presented as a number and percentage with 95% confidence bounds. Any subjects not exhibiting a response (CR or PR or SD) are considered non-responders.

    Outcome is based on data reported by Investigator (INV); available and evaluable radiographic scans were collected retrospectively for review by an Independent Review Committee (IRC).


  4. Progression-free Survival (PFS) [ Time Frame: From first dose of rovalpituzumab tesirine to last event timepoint, up through study completion (approximately 4 months on average, but up to 14.46 months). ]

    Progression-free survival (PFS) was defined as the number of months from the first day of study drug administration to disease recurrence or progression, or death on study.

    Outcome is based on data reported by Investigator (INV); available and evaluable radiographic scans were collected retrospectively for review by an Independent Review Committee (IRC).


  5. Overall Survival [ Time Frame: From first dose of Rovalpituzumab tesirine to last event, up through study completion (on average approximately 5-7 months, but up to 14.6 months). ]
    Overall survival (OS) was defined as the time from the first day of study treatment to death. Subjects who were alive were censored at the date of last known alive.

  6. Maximum Serum Concentration (Cmax) of Rovalpituzumab Tesirine Antibody Drug Conjugate (ADC) [ Time Frame: From Day 1 of first dose to End of Dose Cycle ]
    The maximum serum concentration (Cmax; measured in μg/mL) is the highest concentration that a drug achieves in the blood after administration in a dosing cycle.

  7. Area Under the Serum Concentration-time Curve (AUC) of Rovalpituzumab Tesirine ADC [ Time Frame: From Day 1 of first dose to End of Dose Cycle ]
    The area under the serum concentration-time curve (AUC; measured in μg•d/mL) is a method of measurement to determine the total exposure of a drug in blood serum.



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.


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

Inclusion Criteria

  1. Provision of informed consent
  2. Male or female ≥18 years of age
  3. Histologic or cytologic confirmed diagnosis of small cell lung cancer, either limited or extensive disease at initial presentation is allowed
  4. Evidence of progressive disease during or following 1 or 2 prior chemotherapy regimens

    • At least 1 prior regimen must have contained a platinum salt
    • 'Adjuvant therapy' will constitute a prior treatment regimen
    • No more than 2 prior regimens are allowed
  5. Measurable disease (only for the phase II portion)
  6. Eastern Cooperative Oncology Group (ECOG) Performance status 0-1
  7. A minimum life expectancy of 12 weeks
  8. Adequate bone marrow, hepatic and renal function as evidenced by:

    • Absolute neutrophil count (ANC) ≥ 1.5 x 109/L
    • Platelet count ≥ 100 x 109/L
    • Hemoglobin ≥ 9.0 g/dL
    • Serum bilirubin < 1.5 x ULN
    • Aspartate aminotransferase (AST)/Alanine transferase (ALT) (SGOT/SGPT) < 2.5 x ULN for the reference laboratory or < 5 x ULN in the presence of liver metastases
    • Serum creatinine < 1.5 x ULN
  9. No 'active' CNS metastases. Prior CNS metastases are allowed, provided adequate palliative therapy has been administered and CNS disease control has been established prior to study entry.

    • A brain MRI scan, ≤ 28 days from day 1, is required

  10. Female patients who are not of child-bearing potential, and female patients of child-bearing potential who agree to use adequate contraceptive measures and who have a negative serum pregnancy test within 1 week prior to initial study treatment. (See Appendix B)
  11. Male patients willing to use adequate contraceptive. (See Appendix B)
  12. At least 21 days must have elapsed prior to day 1 cycle 1, from chemotherapy, radiotherapy, immunotherapy or following major surgery and any surgical incision should be completely healed. At least 14 days must have elapsed prior to Day 1 Cycle 1 for "limited palliative radiotherapy", defined as a course of therapy encompassing < 25% total bone marrow volume and not exceeding 30 Gy.
  13. At least 14 days must have elapsed for chemotherapy regimens, biologic, and targeted therapy given continuously or on a weekly basis with limited potential for delayed toxicity.

Exclusion Criteria:

  1. Patients who are pregnant or breastfeeding.
  2. Active involvement of the Central Nervous System (CNS).
  3. Uncontrolled infection or systemic disease.
  4. Clinically significant cardiac disease not well controlled with medication (e.g., congestive heart failure, symptomatic coronary artery disease e.g. angina, and cardiac arrhythmias) or myocardial infarction within the last 12 months.
  5. Chemotherapy regimens within the last 21 days (or within 6 weeks for prior nitrosourea or mitomycin C). Chemotherapy regimens, biologic, and targeted therapy given continuously or on a weekly basis with limited potential for delayed toxicity within the last 14 days.
  6. No concurrent systemic chemotherapy or anticancer biologic therapy is allowed. Note: Patients on hormonal treatment for breast cancer or prostate cancer may continue on treatment and enter into study.
  7. Known hypersensitivity to any components of SC16LD6.5 study drug product.
  8. Patients with known human immunodeficiency virus (HIV) or Hepatitis B or C (active, previously treated or both), a history of solid organ or bone marrow transplantation would generally be considered to have met exclusion criteria, however exceptions may be considered on a case-by-case basis by the medical monitor.
  9. Psychiatric disorder or social or geographic situation that would preclude study participation.
  10. QT interval measurement corrected by Fridericia's formula (QTcF) interval of >450 msec (males) or >470 msec (females)

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): NCT01901653


Locations
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United States, Alabama
University of Alabama at Birmingham
Birmingham, Alabama, United States, 35294
United States, Florida
Florida Cancer Specialists
Sarasota, Florida, United States, 34232
United States, Illinois
University of Chicago Medical Center
Chicago, Illinois, United States, 60637
United States, New York
Memorial Sloan Kettering Cancer Center
New York, New York, United States, 10065
United States, North Carolina
Duke University Medical Center
Durham, North Carolina, United States, 27710
United States, Tennessee
Tennessee Oncology
Nashville, Tennessee, United States, 37203
United States, Texas
University of Texas MD Anderson Cancer Center
Houston, Texas, United States, 77030
United States, Virginia
Blue Ridge Cancer Care
Roanoke, Virginia, United States, 24014
Sponsors and Collaborators
Stemcentrx
Investigators
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Study Director: Donald Strickland, MD SCRI Innovations

Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
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Responsible Party: Stemcentrx
ClinicalTrials.gov Identifier: NCT01901653     History of Changes
Other Study ID Numbers: SCRX16-001
First Posted: July 17, 2013    Key Record Dates
Results First Posted: July 11, 2018
Last Update Posted: August 9, 2018
Last Verified: July 2018

Keywords provided by Stemcentrx:
Small cell lung cancer

Additional relevant MeSH terms:
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Lung Neoplasms
Small Cell Lung Carcinoma
Respiratory Tract Neoplasms
Thoracic Neoplasms
Neoplasms by Site
Neoplasms
Lung Diseases
Respiratory Tract Diseases
Carcinoma, Bronchogenic
Bronchial Neoplasms
Immunoconjugates
Immunologic Factors
Physiological Effects of Drugs