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Germ Cell NeoplasmsPhase 2NCT02499952

Pembrolizumab in Subjects With Incurable Platinum-Refractory Germ Cell Tumors

A Phase 2 study testing Pembrolizumab in people with Germ Cell Neoplasms and Testicular Neoplasms, run by Nasser Hanna, M.D. at 2 sites in United States.

Terminated

Stopped early. The study ended before it was planned to and will not resume.

Official record
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Trial summary

This is an open label, multi-institutional, single arm phase II trial of pembrolizumab in patients with incurable platinum refractory germ cell tumors. No randomization or blinding is involved. Read more about this study

Who is it for?
Ages 18 years and older
What is being tested?
Pembrolizumab
Type of treatment
Injection or infusion
Could I receive a placebo?
No, everyone receives an active treatment
How many people
12 participants
Where
2 sitesUnited States
Study dates
Jan 2016to 13 Jan 2017
Phase
Phase 2
Are there results?
Yes, posted in the registrySummary in the doctors' view

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • 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.
  • Age ≥ 18 years at the time of consent.
  • ECOG Performance Status of 0 or 1 within 14 days prior to registration for protocol therapy.
  • Subjects must have histological or serological proof of metastatic germ cell neoplasm (gonadal or extragonadal primary) with disease not amenable to cure with either surgery or chemotherapy. Subjects with seminoma and non-seminoma are eligible, as are women with ovarian GCTs.
  • Subjects must have evidence of recurrent or metastatic carcinoma by one or more of the following: the appearance of metastatic disease on chest x-ray or CT scan, or the appearance of rising 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. Subjects with only evidence of disease as 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.
  • Subjects must have received initial cisplatin based combination therapy, such as bleomycin-etoposide-cisplatin (BEP), cisplatin-etoposide (EP), etoposide-ifosfamide-cisplatin (VIP), or similar regimens AND demonstrated progression following the administration of at least one 'salvage' regimen for advanced germ cell neoplasm, such as high dose chemotherapy, paclitaxel-ifosfamide-cisplatin (TIP), or vinblastine-ifosfamide-cisplatin (VeIP).
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  • "Failure" of prior therapy is defined as: a >25% increase in the products of perpendicular diameters of measurable tumor masses during prior therapy which are not amenable to surgical resection; the presence of new tumors which are not amenable to surgical resection; 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: Subjects with clinically growing "teratoma" (normal declining tumor markers and radiographic or clinical progression) should be considered for surgery.
  • Subjects are eligible after first line platinum based chemotherapy if their disease has relapsed and they have Primary Mediastinal Non Seminomatous Germ Cell tumor (PMNSGCT) or late relapse (> 2 years) not amenable to surgical resection.
  • Subjects must be willing to provide tissue from a newly obtained core or excisional biopsy of a tumor lesion. Newly-obtained is defined as a specimen obtained up to 6 weeks (42 days) prior to initiation of treatment on Day 1. Subjects for whom newly-obtained samples cannot be provided (e.g., inaccessible or subject safety concern) may submit an archived specimen only upon agreement from the sponsor investigator
  • Female subjects of childbearing potential should have a negative urine or serum pregnancy within 72 hours prior to receiving the first dose of study medication. If the urine test is positive or cannot be confirmed as negative, a serum pregnancy test will be required.
  • Female subjects of childbearing potential should be willing to use 2 methods of birth control or be surgically sterile, or abstain from heterosexual activity for the course of the study through 120 days after the last dose of study medication . Subjects of childbearing potential are those who have not been surgically sterilized or have not been free from menses for > 1 year.
  • Male subjects should agree to use an adequate method of contraception starting with the first dose of study therapy through 120 days after the last dose of study therapy.
  • Measurable disease according to RECIST v1.1 obtained by imaging within 28 days prior to registration.

Who cannot join

  • Is currently participating and receiving study therapy or has participated in a study of an investigational agent and received study therapy or used an investigational device within 4 weeks of the first dose of treatment.
  • Has a diagnosis of immunodeficiency or is receiving systemic steroid therapy or any other form of immunosuppressive therapy within 7 days prior to the first dose of trial treatment.
  • Has a known history of active TB (Bacillus Tuberculosis)
  • Hypersensitivity to pembrolizumab or any of its excipients.
  • Has had a prior anti-cancer monoclonal antibody (mAb) within 4 weeks prior to study Day 1 or who has not recovered (i.e., ≤ Grade 1 or at baseline) from adverse events (AE) due to agents administered more than 4 weeks earlier.
  • Has had prior chemotherapy, targeted small molecule therapy, or radiation therapy within 2 weeks prior to study Day 1 or who has not recovered (i.e., ≤ Grade 1 or at baseline) from adverse events due to a previously administered agent. NOTE 1: Subjects with ≤ Grade 2 neuropathy are an exception to this criterion and may qualify for the study. NOTE 2: If subject received major surgery, they must have recovered adequately from the toxicity and/or complications from the intervention prior to starting therapy.
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  • Has a known additional malignancy that is progressing or requires active treatment. Exceptions include basal cell carcinoma of the skin or squamous cell carcinoma of the skin that has undergone potentially curative therapy or in situ cervical cancer.
  • Has known active central nervous system (CNS) metastases and/or carcinomatous meningitis. Subjects with previously treated brain metastases may participate provided they are stable (without evidence of progression by imaging for at least four weeks prior to the first dose of trial treatment and any neurologic symptoms have returned to baseline), have no evidence of new or enlarging brain metastases, and are not using steroids for at least 7 days prior to trial treatment. This exception does not include carcinomatous meningitis which is excluded regardless of clinical stability.
  • Has active autoimmune disease that has required systemic treatment in the past 2 years (i.e,. with use of disease modifying agents, corticosteroids or immunosuppressive drugs). Replacement therapy (eg., thyroxine, insulin, or physiologic corticosteroid replacement therapy for adrenal or pituitary insufficiency, etc.) is not considered a form of systemic treatment.
  • Presence of interstitial lung disease or history of pneumonitis requiring treatment with corticosteroids.
  • Has an active infection requiring systemic therapy.
  • Has a history or current evidence of any condition, therapy, or laboratory abnormality that might confound the results of the trial, interfere with the subject's participation for the full duration of the trial, or is not in the best interest of the subject to participate, in the opinion of the treating investigator.
  • Has known psychiatric or substance abuse disorders that would interfere with cooperation with the requirements of the trial.
  • Is pregnant or breastfeeding, or expecting to conceive or father children within the projected duration of the trial, starting with the pre-screening or screening visit through 120 days after the last dose of trial treatment.
  • Has received prior therapy with PD-1, PD-L1, or CTLA-4 inhibitors.
  • Has a known history of Human Immunodeficiency Virus (HIV) (HIV 1/2 antibodies).
  • Has known active Hepatitis B (e.g., HBsAg reactive) or Hepatitis C (e.g., HCV RNA [qualitative] is detected).
  • Has received a live vaccine within 30 days of planned start of study therapy. NOTE: Seasonal influenza vaccines for injection are generally inactivated flu vaccines and are allowed; however intranasal influenza vaccines (e.g., Flu-Mist®) are live attenuated vaccines, and are not allowed.

Trial locations and contacts

2 sites in 1 country.

United States2 sites
  • Indiana University Melvin and Bren Simon Cancer Center

    Indianapolis, Indiana, 46202

  • University of Pennsylvania

    Philadelphia, Pennsylvania, 19104

Other trials in United States

About this study

Official title: A Phase II Single-Arm Multi-Center Trial Evaluating the Efficacy of Pembrolizumab in the Treatment of Subjects With Incurable Platinum-Refractory Germ Cell Tumors: Hoosier Cancer Research Network GU14-206

This is an open label, multi-institutional, single arm phase II trial of pembrolizumab in patients with incurable platinum refractory germ cell tumors. No randomization or blinding is involved.

Read the detailed description

OUTLINE: This is a multi-center study.

Eligible subjects must have received initial cisplatin-based combination therapy, such as bleomycin-etoposide-cisplatin (BEP), cisplatin-etoposide (EP), etoposide-ifosfamide-cisplatin (VIP), or similar regimens AND demonstrated progression following the administration of at least one 'salvage' regimen for advanced germ cell neoplasm, such as high dose chemotherapy, paclitaxel-ifosfamide-cisplatin (TIP), or vinblastine-ifosfamide-cisplatin (VeIP).

INVESTIGATIONAL TREATMENT:

Pembrolizumab 200mg IV every 3 weeks until progression or toxicity. Treatment will continue for up to 52 weeks in the absence of prohibitive toxicities or disease progression.

The following screening labs to demonstrate adequate organ function must be performed within 10 days of treatment initiation:

Hematological:

  • Absolute neutrophil count (ANC) ≥1,500 /mcL
  • Platelets ≥100,000 / mcL
  • Hemoglobin ≥9 g/dL or ≥5.6 mmol/L without transfusion or hematopoietin (EPO) dependency (within 7 days of assessment)

Renal:

  • Serum creatinine ≤1.5 X upper limit of normal (ULN) OR
  • Measured or calculated creatinine clearance ≥60 mL/min for subject with creatinine levels >1.5 X institutional ULN
  • Glomerular filtration rate (GFR) can also be used in place of creatinine or creatinine clearance (CrCl)

Hepatic:

  • Serum total bilirubin ≤ 1.5 X ULN OR
  • Direct bilirubin ≤ ULN for subjects with total bilirubin levels > 1.5 ULN
  • AST (SGOT) and ALT (SGPT) ≤ 2.5 X ULN OR ≤ 5 X ULN for subjects with liver metastases
  • Albumin >2.5 mg/dL

Coagulation:

  • International Normalized Ratio (INR) or Prothrombin Time (PT) ≤1.5 X ULN unless subject is receiving anticoagulant therapy as long as PT or PTT is within therapeutic range of intended use of anticoagulants
  • Activated Partial Thromboplastin Time (aPTT) ≤1.5 X ULN unless subject is receiving anticoagulant therapy as long as PT or PTT is within therapeutic range of intended use of anticoagulants
Being tested
Pembrolizumab
Keywords
Pembrolizumab, MK-3475, PMNSGCT, PD-L1, Non Seminomatous Germ Cell Tumors
Medical subject headings
Neoplasms, Germ Cell and Embryonal, Testicular Neoplasms, Nonseminomatous germ cell tumor, Mediastinal Neoplasms, Genital Neoplasms, Male, Genital Neoplasms, Female, Ovarian Neoplasms

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • PembrolizumabDrug

    Also called MK-3475

    200mg IV every 3 weeks until progressive disease, unacceptable toxicity, or after 52 weeks of therapy.

Study groups in NCT02499952
Study groupRoleWhat they receive
Experimental ArmExperimentalPembrolizumab
Receives: Drug: Pembrolizumab

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Clinical Benefit Rate (CBR)

    CBR of single agent pembrolizumab in subjects with refractory germ cell tumors (GCTs), determined by sum of complete responses, partial responses, and stable disease for at least 3 months using Immune Related Response Criteria (irRC).

    Complete Response(irPR): Disappearance of all lesions in two consecutive observations not less than 4 wk apart.

    Partial Response (irPR): decrease in tumor burden ≥50 %relative to baseline confirmed by a consecutive assessment at least 4 wk after first documentation.

    Stable Disease (irSD): not meeting criteria for irCR or irPR, in absence of irPD.

    Measured: up to 18 weeks

Secondary outcomes (3)
  1. Number of Participants With Adverse Events as a Measure of Safety and Tolerability Using Common Terminology Criteria for Adverse Events (CTCAE) V4.

    Toxicity and tolerability of pembrolizumab in subjects with refractory GCTs. All grade 3 and higher adverse events are reported.

    Measured: Every week while patient is receiving pembrolizumab, assessed for up to 52 weeks

  2. Disease Assessment for Overall Response Rate (ORR) by Response Evaluation Criteria in Solid Tumors (RECIST 1.1) Criteria

    ORR of single agent pembrolizumab in subjects with refractory GCTs, determined by sum of complete responses and partial responses for at least 3 months using RECIST 1.1 criteria

    Measured: From the start of treatment D1 every 6 weeks for initial 18 weeks, assessed for up to 52 weeks

  3. Disease Assessment for Duration of Disease Response

    Duration of disease response

    Measured: From the start of treatment D1 every 6 weeks for initial 18 weeks, assessed for up to 52 weeks

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted16 Jul 2015 (estimated)
  2. Study startJan 2016
  3. Primary completion13 Jan 2017
  4. Study completion13 Jan 2017

Why it stopped: Lack of Efficacy

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 2
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrolment
12 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02499952
Sponsor's protocol ID
HCRN GU14-206
Status last verified
Jul 2022
First submitted
8 Jul 2015
Last updated
11 Jul 2022
Data monitoring committee
Yes
Individual data sharing
No

Publications

  • Adra N, Einhorn LH, Althouse SK, Ammakkanavar NR, Musapatika D, Albany C, Vaughn D, Hanna NH. Phase II trial of pembrolizumab in patients with platinum refractory germ-cell tumors: a Hoosier Cancer Research Network Study GU14-206. Ann Oncol. 2018 Jan 1;29(1):209-214. doi: 10.1093/annonc/mdx680.

    PubMed 29045540

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing Pembrolizumab in people with Germ Cell Neoplasms and Testicular Neoplasms, run by Nasser Hanna, M.D. at 2 sites in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 13 inclusion and 18 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: stopped early, as of the sponsor's last update on 11 Jul 2022. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 2 sites in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 17 Apr 2018). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Clinical Benefit Rate (CBR) (time frame: up to 18 weeks). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT02499952, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 11 Jul 2022.

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