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Brentuximab Vedotin in Relapsed/Refractory Germ Cell Tumors

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: NCT02689219
Recruitment Status : Terminated (lack of funding/ benefit)
First Posted : February 23, 2016
Results First Posted : November 26, 2019
Last Update Posted : December 10, 2019
Sponsor:
Information provided by (Responsible Party):
Nabil Adra, Indiana University School of Medicine

Brief Summary:
This is a Phase II study to evaluate the activity of brentuximab vedotin in relapsed/refractory non-seminomatous germ cell tumors (NSGCT).

Condition or disease Intervention/treatment Phase
Germ Cell Tumors Testis Cancer Testicular Cancer Embryonal Carcinoma Nonseminomatous Germ Cell Tumor Drug: Brentuximab Vedotin Phase 2

Detailed Description:

Primary Objective To determine the anti-tumor efficacy of brentuximab vedotin in relapsed/ refractory NSGCT.

Secondary Objectives

  1. To determine the progression free survival in patients with relapsed/ refractory NSGCT treated with brentuximab vedotin.
  2. To determine the overall survival of patients with relapsed/ refractory NSGCT treated with brentuximab vedotin.
  3. To determine the safety and tolerability of brentuximab vedotin in this patient population.

Eligible patients will be divided into two cohorts, those who are CD30 positive and those who are CD30 negative/unknown. Both groups will be treated similarly and in parallel but analyzed separately. CD30 status may be unknown in the unlikely case of tumor-marker-only relapse or when a fresh tumor biopsy is not feasible, and archival tumor tissue is not obtainable despite efforts to do so. These patients will be included in the CD30 negative cohort for analysis purposes, since statistically NSGCT are more likely to be CD30 negative. The number of such patients with unknown CD30 status should not exceed 5 patients.

Eligible patients will be treated with brentuximab vedotin at 1.8 mg/kg IV every 3 weeks (maximum dose of 180 mg) indefinitely until disease progression, unacceptable toxicity, or study closure.Eligible patients with grade 2 peripheral neuropathy at enrollment will be treated with brentuximab vedotin at 1.2 mg/kg IV every 3 weeks (maximum dose of 180 mg) indefinitely until disease progression, unacceptable toxicity, or study closure. Response to treatment will be assessed clinically with history, physical exam and tumor markers measurement (BHCG and AFP) on day 1 of each cycle and with CT scans after cycle 2, 4, and every 4 cycles thereafter while receiving treatment.

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 18 participants
Allocation: Non-Randomized
Intervention Model: Parallel Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: A Multicenter Phase II Study of Brentuximab Vedotin in Relapsed/Refractory Germ Cell Tumors
Actual Study Start Date : March 9, 2016
Actual Primary Completion Date : November 13, 2018
Actual Study Completion Date : January 23, 2019


Arm Intervention/treatment
Experimental: CD30 positive
Brentuximab vedotin, 1.8 mg/kg (1.2 mg/kg in patients with grade 2 peripheral neuropathy at enrollment) will be administered by IV infusion given over approximately 30 minutes on Day 1 of each 21-day cycle.
Drug: Brentuximab Vedotin
Both cohorts will be treated similarly and in parallel but analyzed separately.
Other Name: SGN-35

Experimental: CD30 negative/unknown
Brentuximab vedotin, 1.8 mg/kg (1.2 mg/kg in patients with grade 2 peripheral neuropathy at enrollment) will be administered by IV infusion given over approximately 30 minutes on Day 1 of each 21-day cycle.
Drug: Brentuximab Vedotin
Both cohorts will be treated similarly and in parallel but analyzed separately.
Other Name: SGN-35




Primary Outcome Measures :
  1. Objective Response (Percent of Patients With Complete Response or Partial Response) [ Time Frame: Up to 1 year ]
    Measured by RECIST v1.1 and tumor markers (AFP and BhCG). CR - disappearance of all target lesions and normalization of serum tumor markers for at least 4 weeks. When only evidence of disease is elevated serum tumor markers, then values must fall below the upper limit of normal for the assay and remain at that level for at least 4 weeks. PR - at least a 30% decrease in the sum of the diameters of target lesions compared to the baseline sum diameters for at least 2 measurements 1 month apart with the serum markers as stable/decreasing. When only evidence of disease is elevated serum tumor markers, then values must fall >=90% below baseline pretreatment levels for BhCG or 50% decrease below baseline pretreatment levels for AFP and persist for 6 weeks. If both tumor markers are elevated and one falls below 90% the other should fall at least below 50% of baseline pretreatment levels.The percent of patients with objective response and its 95% exact confidence interval will be provided.


Secondary Outcome Measures :
  1. Progression Free Survival [ Time Frame: Up to 2 years ]
    Duration of time from the start of treatment to time of documented progression or death. Patients who did not progress or die were censored on their last evaluation date. Kaplan-Meier methods will be used and the median and 95% confidence intervals will be calculated.

  2. Overall Survival [ Time Frame: Up to 2 years ]
    Duration of time from the start of treatment to time of death due to any causes. Patients who did not die were censored on their last known alive date. Kaplan-Meier methods will be used and the median and 95% confidence intervals will be calculated.

  3. Number of Patients With Treatment Related Adverse Events Grade 3 or Above [ Time Frame: Up to 2 years ]
    Number of unique patients who had a treatment related (possible, probable or definite) adverse event with grade >= 3 using the Common Terminology Criteria for Adverse Events (CTCAE) version 4.0.



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

Subject must meet all of the following applicable inclusion criteria to participate in this study:

  1. Age ≥ 18 years at the time of informed consent.
  2. Patients with histologically or serologically confirmed relapsed/refractory non-seminoma germ cell tumor, (i.e., embryonal carcinoma, choriocarcinoma, or yolk sac tumors) including female GCT and primary mediastinal NSGCT.
  3. Patients must have progressed after prior high dose chemotherapy (HDCT) treatment, been deemed not to be a candidate for high dose chemotherapy or refused high-dose chemotherapy, and be considered incurable by other standard therapies including further chemotherapy or surgery. There is no maximum allowable number of previous therapies.

    "Failure" of prior therapy is defined as:

    1. A >25% increase in the products of perpendicular diameters of measurable tumor masses during prior therapy which are not amenable to surgical resection.
    2. The presence of new tumors which are not amenable to surgical resection.
    3. An increase in AFP or beta-hCG (two separate determinations at least one week apart are required if rising tumor markers are the only evidence of failure).

    NOTE: Patients with clinically growing "teratoma" (normal declining tumor markers and radiographic or clinical progression) should be considered for surgery.

  4. Patients must have evidence of recurrent or metastatic carcinoma by one or more of the following:

    i) The appearance of metastatic disease by standard imaging techniques ii) The appearance of rising serum tumor marker, AFP or beta-hCG NOTE: If a rising tumor marker is the only evidence of progressive disease, at least 2 consecutive rising values at least one week apart are needed. Patients with only evidence of disease is rising tumor marker AFP and beta-hCG will be provided alternate causes of increased serum levels of these markers are not present, such as cross reaction with luteinizing Hormone (LH) (that can be tested if needed by testosterone suppression of LH), hepatitis, use of marijuana or second primary tumor, etc.

  5. Patients with primary medistinal non seminomatous germ cell tumor are eligible if they have received first line platinum based chemotherapy and their recurrence is not amenable to surgical resection based on the treating physician expert opinion.
  6. Patients with late relapse (>2 years) of non seminomatous germ cell tumors are eligible if they have received first line platinum based chemotherapy and their recurrence is not amenable to surgical resection based on the treating physician expert opinion.
  7. Patients with brain metastases are allowed onto the study as long as patients have completed their treatment for brain metastasis, no longer require corticosteroids, and are asymptomatic. Subjects with neurological symptoms should undergo a head CT scan or brain MRI to exclude brain metastasis, at the discretion of the treating physician.
  8. Patients with ECOG performance status of 0-2.
  9. Adequate organ and marrow function as defined below:

    1. Hemoglobin ≥ 8 g/dL
    2. Absolute neutrophil count ≥ 1,000/mm3
    3. Platelet count ≥ 75,000/mm3
    4. Total bilirubin ≤ 1.5 × ULN except patients with documented Gilbert's syndrome (≤ 3 × ULN)
    5. Alanine aminotransferase (ALT) and aspartate aminotransferase (AST) ≤ 2.5 × ULN; for patients with hepatic metastases, ALT and AST ≤ 5 × ULN
    6. Calculated creatinine clearance ≥ 30 mL/min as determined by the Cockcroft-Gault equation.
  10. Patients who are willing and able to comply with the protocol and study procedures including willingness to undergo tumor biopsy for tumor cells before therapy to assess for CD30 status (unless archival tumor tissue from orchiectomy or other previous sample is not obtainable despite efforts to do so and a fresh tumor biopsy is not feasible).
  11. Females of childbearing potential must not be pregnant or breast-feeding. Male and female patients of reproductive potential must agree to use two forms of highly effective contraception from the screening visit through 28 days after the last dose of study drug. Acceptable forms of effective contraception include:

    • Oral, injected or implanted hormonal methods of contraception.
    • Placement of an intrauterine device (IUD) or intrauterine system (IUS).
    • Barrier methods of contraception: Condom or Occlusive cap (diaphragm or cervical/vault caps) with spermicidal foam/gel/film/cream/suppository.
    • Male sterilization (with the appropriate post-vasectomy documentation of the absence of sperm in the ejaculate).
    • True abstinence: When this is in line with the preferred and usual lifestyle of the subject. [Periodic abstinence (e.g., calendar, ovulation, symptothermal, post-ovulation methods) and withdrawal are not acceptable methods of contraception.] Pregnancy tests for females of childbearing potential are required; must be serum at screening and the post treatment safety assessment visit. A positive urine pregnancy test must be confirmed by a serum pregnancy test and a pelvic US since some NSGCT may secrete beta-hCG and cause a false positive pregnancy. A pelvic US does not need to be repeated with each cycle unless the treating physician thinks it is necessary to do so.
  12. Potential subject must have the ability to understand (as judged by the treating physician) and willingness to provide written informed consent and HIPAA authorization for release of personal health information.

NOTE: HIPAA authorization may be included in the informed consent or obtained separately. Written informed consent must be obtained from a potential subject prior to the conduct of any study-specific procedures.

Exclusion Criteria

Subjects meeting any of the criteria below may not participate in the study:

  1. Patients with pure seminoma.
  2. Patients with pure teratoma.
  3. Chemotherapy within 2 weeks of initiating study treatment. There is no maximum allowable number of previous therapies.
  4. Major surgery within 3 weeks of starting study treatment. There is no minimum time requirement for minor procedures such as biopsy or vascular access placement.
  5. Radiation within 2 weeks of starting study treatment.
  6. ≥ Grade 3 neuropathy at the time of enrollment.
  7. Pregnancy or breast-feeding.
  8. Previous treatment with any anti-CD30 directed therapy.

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): NCT02689219


Locations
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United States, California
USC/Norris Comprehensive Cancer Center
Los Angeles, California, United States, 90033
United States, Indiana
Indiana University Health Hospital
Indianapolis, Indiana, United States, 46202
Indiana University Health Melvin and Bren Simon Cancer Center
Indianapolis, Indiana, United States, 46202
United States, New York
Memorial Sloan Kettering Cancer Center
New York, New York, United States, 10065
Sponsors and Collaborators
Nabil Adra
Investigators
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Principal Investigator: Costantine Albany, MD Indiana University School of Medicine, Indiana University Simon Cancer Center
  Study Documents (Full-Text)

Documents provided by Nabil Adra, Indiana University School of Medicine:
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Responsible Party: Nabil Adra, Assistant Professor of Clinical Medicine, Indiana University School of Medicine
ClinicalTrials.gov Identifier: NCT02689219    
Other Study ID Numbers: IUSCC-0568
First Posted: February 23, 2016    Key Record Dates
Results First Posted: November 26, 2019
Last Update Posted: December 10, 2019
Last Verified: December 2019

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Studies a U.S. FDA-regulated Drug Product: Yes
Studies a U.S. FDA-regulated Device Product: No
Keywords provided by Nabil Adra, Indiana University School of Medicine:
Antigens, CD30, Embryonal Germ Cell Tumors
Additional relevant MeSH terms:
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Neoplasms
Neoplasms, Germ Cell and Embryonal
Carcinoma, Embryonal
Testicular Neoplasms
Neoplasms by Histologic Type
Endocrine Gland Neoplasms
Neoplasms by Site
Genital Neoplasms, Male
Urogenital Neoplasms
Endocrine System Diseases
Testicular Diseases
Gonadal Disorders