Panitumumab and Irinotecan for Malignant Gliomas

Study Description

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Brief Summary:

This is a phase II study of the combination of panitumumab with irinotecan in malignant glioma patients. The primary objective of the study is to determine the activity of the combination of panitumumab with irinotecan as measured by 6-month progression-free survival. Secondary objectives include the following- to determine the safety of panitumumab in combination with irinotecan in patients with malignant glioma; to determine the effect of panitumumab in combination with irinotecan on corticosteroid dose for each patient; to explore any relationship between epidermal growth factor receptor (EGF-R) mutational analysis and efficacy or toxicity; and, to determine the response rate and overall survival of recurrent glioblastoma (GBM) patients treated with panitumumab in combination with irinotecan.

The patients will have histologically documented grade 4 malignant gliomas (glioblastoma multiforme or gliosarcoma) that have failed at least one prior chemotherapy regimen and all patients will have received radiation therapy. This study will investigate second or greater line of therapy for recurrent grade 4 malignant glioma. The patient population will include 32 patients.

The patients will undergo a baseline magnetic resonance imaging (MRI) as well as a MRI after every six-week cycle to determine response and progression. After 16 patients with recurrent GBM are treated, an interim analysis will be conducted. The most common side effects associated with panitumumab have been dermatological (skin) problems such as erythema (redness of the skin), acneiform rash (skin eruptions of the face), skin exfoliation, pruritus (itching), skin fissures (skin tears), xerosis (dryness of the eye, skin, or mouth), and rash. The most common side effects associated with irinotecan have been decreased blood counts of platelets (increased risk of bleeding), white blood cells (increased risk of infection), red blood cells (anemia); diarrhea, constipation, nausea, vomiting, tiredness, fever, mouth sores, dehydration (excessive loss of body fluids), rash, itching, changes in skin color, swelling, numbness, tingling, dizziness, confusion, low blood pressure, sweating, hot flashes, hair loss, inflammation of the liver, flu-like symptoms, decreased urine output, shortness of breath, and pneumonia (inflammatory disease of the lungs).

Condition or disease	Intervention/treatment	Phase
Malignant Glioma of Brain	Drug: Irinotecan; Drug: Panitumumab	Phase 2

Study Design

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Study Type :	Interventional (Clinical Trial)
Actual Enrollment :	16 participants
Intervention Model:	Single Group Assignment
Masking:	None (Open Label)
Primary Purpose:	Treatment
Official Title:	Phase II Study of Panitumumab in Combination With Irinotecan for Malignant Gliomas
Study Start Date :	February 2010
Actual Primary Completion Date :	October 2011
Actual Study Completion Date :	October 2011

Arms and Interventions

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Arm

Intervention/treatment

Experimental: Panitumumab and irinotecan

Drug: Irinotecan; Irinotecan: for those patients on an enzyme-inducing anti-epileptic drug (EIAED), irinotecan will be dosed at 340 mg/m2 every other week. For those not on an EIAED, irinotecan will be dosed at 125 mg/m2. Treatment on both drugs will continue until tumor progression or unacceptable toxicity.; Other Names: Camptosar; CPT-11 Drug: Panitumumab; Panitumumab, 6 mg/kg, as an intravenous infusion every other week. Treatment on both drugs will continue until tumor progression or unacceptable toxicity.; Other Name: Vectibix

Outcome Measures

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Primary Outcome Measures :

1. 6-month Progression-free Survival (PFS) [ Time Frame: 6 months ]
   Percentage of participants surviving six months from the start of study treatment without progression of disease. PFS was defined as the time from the date of study treatment initiation to the date of the first documented progression according to the Macdonald criteria, or to death due to any cause. Macdonald criteria are standard criteria in neuro-oncology. Tumor assessment was made according to the adapted MacDonald criteria based on the combined evaluation of: 1) assessment of the MRI scan for measurable, evaluable, and new lesions (made by the independent external expert too), 2) overall assessment of neurological performance (made by the investigator), and 3) concomitant steroid use (as reported by the investigator).

Secondary Outcome Measures :

1. One-Year Overall Survival [ Time Frame: 1 year ]
   Percentage of participants surviving 12 months from the start of study treatment. OS was defined as the time from the date of study treatment initiation to the date of the death due to any cause.
2. Safety of Panitumumab in Combination With Irinotecan [ Time Frame: 16 months ]
   Number of participants experiencing a toxicity ≥ grade 3 as graded per CTCAE v.3.0
3. Effect of Panitumumab in Combination With Irinotecan on Corticosteroid Dose [ Time Frame: Baseline and Day 29 ]
   Average change in corticosteroid dose from baseline to the end of cycle 1.
4. Relationship Between Epidermal Growth Factor Receptor (EGF-R) Mutational Analysis and Efficacy or Toxicity [ Time Frame: 16 months ]
   Number of participants with an abnormal fluorescence in situ hybridization (FISH) interpretation that 1) survived < 6 months and 2) experienced a ≥ grade 3 toxicity as graded per CTCAE v.3.0
5. Objective Response Rate [ Time Frame: 16 months ]
   Number of participants with an objective response (complete response or partial response) based on modified Macdonald criteria. A complete response is defined as the disappearance of all enhancing rumor and mass effect, off all corticosteroids, accompanied by a stable or improving neurologic examination, and maintained for at least 4 weeks. A partial response is defined as greater than or equal to 50% reduction in tumor size on MR (magnetic resonance) / CT(computed tomography) by bi-dimensional measurement on a stable or decreasing dose of corticosteroids, accompanied by a stable or improving neurologic examination, and maintained for at least 4 weeks.
6. Median Overall Survival (OS) [ Time Frame: 18 months ]
   Time in months from the start of study treatment to date of death due to any cause. Patients alive as of the last follow-up had OS censored at the last follow-up date. Median OS was estimated using a Kaplan-Meier curve.

Eligibility Criteria

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

Criteria

Inclusion Criteria:

• Patients must have histologically confirmed diagnosis of primary malignant glioma (glioblastoma multiforme or gliosarcoma). Patients with recurrent disease whose diagnostic pathology confirmed grade IV malignant glioma (glioblastoma multiforme or gliosarcoma) will not need re-biopsy.
• Age ≥ 18 years.
• Evidence of measurable recurrent or residual primary central nervous system (CNS) neoplasm on contrast-enhanced MRI
• An interval of at least 4 weeks between prior surgical resection, or major surgery requiring general anesthesia or 1 week between prior biopsy or minor surgical procedures and study enrollment. The subjects must have recovered from all surgery related toxicities.
• An interval of at least 12 weeks between prior radiotherapy or 4 weeks from prior monthly chemotherapy, or 7 days from daily chemotherapy.
• The lab values following the prior chemotherapy must return to the baseline prior to study enrollment.
• Karnofsky ≥ 70%.
• Hematocrit ≥ 29%, absolute neutrophil count (ANC) ≥ 1,500 cells/μl, platelets ≥ 125,000 cells/μl.
• Serum creatinine ≤ 1.5 mg/dl, serum magnesium, potassium, calcium, chloride, and sodium ≥ the lower limit of normal, serum glutamic-oxaloacetic transaminase (SGOT) and bilirubin ≤ 1.5 times upper limit of normal.
• Signed informed consent approved by the Institutional Review Board prior to patient entry.
• If sexually active, patients will take contraceptive measures for the duration of the treatments, and for 6 months afterwards.

Exclusion Criteria:

• Pregnancy or breast feeding
• Co-medication that may interfere with study results; e.g. immuno¬suppressive agents other than corticosteroids.
• Active infection requiring intravenous antibiotics.
• uridine diphosphate glucuronosyltransferase 1A1 (UGT1A1) homozygous for the 7/7 genotype.
• Pre-existing diarrhea greater than Grade 1.

Panitumumab-Specific Concerns:

[Subjects meeting any of the following criteria are ineligible for study entry]

• Prior anti-epidermal growth factor receptor (EGFr) antibody therapy or treatment with small molecule EGFr inhibitors
• Clinically significant cardiovascular disease (including myocardial infarction, unstable angina, symptomatic congestive heart failure, serious uncontrolled cardiac arrhythmia) ≤ 1 year before enrollment.
• History of interstitial lung disease e.g. pneumonitis or pulmonary fibrosis or evidence of interstitial lung disease on baseline chest CT scan.
• History of any medical or psychiatric condition or laboratory abnormality that in the opinion of the investigator may increase the risk associated with the study participation or investigational product(s) administration or may interfere with the interpretation of the results.
• Subject unwilling or unable to comply with study requirements
• Subject pregnant or breast feeding, or planning to become pregnant within 6 months after the end of treatment.
• Subject (male or female) is not willing to use highly effective methods of contraception (per institutional standard) during treatment and for 6 months (male or female) after the end of treatment.
• Known positive test(s) for human immunodeficiency virus infection, hepatitis C virus, acute or chronic active hepatitis B infection(testing is not required in the absence of clinical suspicion)
• Patients with a history of deep venous thrombosis, pulmonary embolism or on therapeutic anti-coagulation.
• Known allergy or hypersensitivity to any component of the study treatment(s)
• Active infection requiring systemic intravenous treatment of any uncontrolled infections ≤14 days prior to enrollment/randomization.

Contacts and Locations

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Locations

United States, North Carolina
The Preston Robert Tisch Brain Tumor Center at Duke University Medical Center
Durham, North Carolina, United States, 27710

Sponsors and Collaborators

Annick Desjardins

Amgen

Investigators

Principal Investigator:	Annick Desjardins, MD, FRCPC	Duke University

More Information

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Additional Information:

The Preston Robert Tisch Brain Tumor Center at Duke 

Responsible Party:	Annick Desjardins, Assist Professor of Medicine-Neurology, Duke University Medical Center
ClinicalTrials.gov Identifier:	NCT01017653 History of Changes
Other Study ID Numbers:	Pro00015447
First Posted:	November 20, 2009
Results First Posted:	September 4, 2013
Last Update Posted:	September 4, 2013
Last Verified:	July 2013

Keywords provided by Annick Desjardins, Duke University Medical Center:

Panitumumab; Vectibix; Irinotecan; CPT-11; Camptosar; Malignant glioma	Glioblastoma multiforme; Gliosarcoma; Duke; Vredenburgh; Pro00015447

Additional relevant MeSH terms:

Glioma; Neoplasms, Neuroepithelial; Neuroectodermal Tumors; Neoplasms, Germ Cell and Embryonal; Neoplasms by Histologic Type; Neoplasms; Neoplasms, Glandular and Epithelial; Neoplasms, Nerve Tissue; Irinotecan; Camptothecin	Antibodies, Monoclonal; Antineoplastic Agents, Phytogenic; Antineoplastic Agents; Topoisomerase I Inhibitors; Topoisomerase Inhibitors; Enzyme Inhibitors; Molecular Mechanisms of Pharmacological Action; Immunologic Factors; Physiological Effects of Drugs