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Prospective Randomized Phase II Trial of Pazopanib (NSC #737754) Versus Placebo in Patients With Progressive Carcinoid Tumors

Description

Brief Summary
This randomized phase II trial studies how well pazopanib hydrochloride works in treating patients with carcinoid tumors that are growing, spreading, or getting worse. Pazopanib hydrochloride may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth.


Detailed Description
PRIMARY OBJECTIVE: I. For patients with progressive carcinoid tumors, progression-free survival (PFS defined by central review according to Response Evaluation Criteria in Solid Tumors [RECIST] 1.1) will be compared between patients randomized to treatment with pazopanib (pazopanib hydrochloride) versus placebo. SECONDARY OBJECTIVES: I. Overall survival (OS) will be compared between treatment arms. II. Objective response rate, duration of response, and time to treatment failure will be compared between treatment arms. III. Progression free survival (PFS) as assessed by central radiology review and local radiology review will be compared overall and within treatment arms. IV. Safety and tolerability of treatment with pazopanib/placebo will be evaluated within each treatment arm. V. PFS and other indicators of efficacy will be estimated in patients who crossover to pazopanib from placebo. VI. To determine the turn-around time for timely adjudicated central review. VII. To characterize the nature of discordance between local and central radiology review in assessment of progression. VIII. To characterize the type and rate of progression in carcinoid (at study entry, on-study, and at progression). IX. To develop new methods for modeling carcinoid growth and detecting treatment effects, and to perform simulations that advance new clinical trial designs to apply to future trials of carcinoid therapeutics. X. To assess for differences in quality of life (QOL)-related domains between the two treatment groups (pazopanib versus placebo). XI. To determine if the more brief measures of QOL-related domains provide comparable information to that which is provided by the longer assessments (European Organization for Research and Treatment of Cancer [EORTC], neuroendocrine tumors [NET]21). XII. To provide validation data for the EORTC NET21 module in terms of responsiveness over time and differences across arms. XIII. To determine whether components of the plasma angiome panel that have been shown to be predictive previously (interleukin-6 [IL-6] and vascular endothelial growth factor [VEGF]-D) are predictive of a therapeutic advantage for pazopanib treatment in baseline samples from the patients treated on A021202. XIV. To determine whether other components of the plasma angiome panel tested (not IL-6 and VEGF-D) are predictive of a therapeutic advantage for pazopanib treatment in baseline samples from the patients treated on A021202. XV. To evaluate the changes in the plasma angiome markers after treatment with or without pazopanib over time. EXPLORATORY OBJECTIVES: I. PFS at 6 months will be estimated within each treatment arm. II. Biochemical response (for chromogranin A, defined as a decrease of 50% or more in chromogranin A levels from baseline and for 5-hydroxyindoleacetic acid [5-HIAA], defined as a decrease of 50% or more in urinary 5-HIAA levels from baseline) will be compared between treatment arms among patients with elevated baseline levels of chromogranin A (CGA) and 5-HIAA. OUTLINE: Patients are randomized to 1 of 2 treatment arms. ARM I: Patients receive pazopanib hydrochloride orally (PO) once daily (QD) on days 1-28. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity. Patients undergo echocardiography (ECHO) or multigated acquisition scan (MUGA) during screening. Patients also undergo computed tomography (CT), magnetic resonance imaging (MRI), and chest x-ray throughout the trial. Patients may optionally undergo blood sample collection during screening and on study. ARM II: Patients receive placebo PO QD on days 1-28. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity. At the time of progressive disease, patients may cross-over to Arm I. Patients undergo ECHO or MUGA during screening. Patients also undergo CT, MRI, and chest x-ray throughout the trial. Patients may optionally undergo blood sample collection during screening and on study. After completion of study treatment, patients are followed up every 3-6 months for 5 years.

Phase

Phase 2 - takes the treatment one step further, assessing the activity of a particular therapy in a disease, often building upon leads from the Phase I trial. While patients are generally required to be previously untreated, participation in a Phase II trial doesn't usually preclude the patient from getting the standard treatment after they've received the investigational agent. At best they are allowed to get a new drug they wouldn't be able to get otherwise that may turn out to be better for their disease.

Inclusion and Exclusion Criteria

  • Inclusion Criteria:
  • Low
  • or intermediate-grade neuroendocrine carcinoma, including the following subtypes: carcinoid tumor, low
  • to intermediate-grade or well
  • to moderately-differentiated neuroendocrine carcinoma or tumor, atypical carcinoid tumor; documentation from a primary tumor or metastatic site is sufficient; patients with poorly differentiated neuroendocrine carcinoma, high-grade neuroendocrine carcinoma, adenocarcinoid tumor, or goblet cell carcinoid tumor are not eligible
  • Locally unresectable or metastatic carcinoid tumors
  • Patients must have histologic documentation or clinical evidence of a carcinoid tumor of primary site (including foregut, midgut, hindgut or other non-pancreatic site); tumors of unknown primary site are eligible provided the treating physician does not suspect medullary thyroid cancer, pancreatic neuroendocrine tumor, paraganglioma, or pheochromocytoma; unknown primary tumors will be classified as small bowel tumors for the purpose of stratification; functional (associated with a clinical syndrome) or nonfunctional tumors are allowed; target lesions must have shown disease progression if therapy included peptide receptor radiotherapy (PRRT) and PRRT must be completed at least 8 weeks prior to registration
  • Radiological evidence for progressive disease (measurable or non-measurable) within 12 months prior to registration; patients who have received anti-tumor therapy during the past 12 months (including octreotide analogs) must have had radiological documentation of progression of disease while on or after receiving therapy
  • No known endobronchial lesions and/or lesions infiltrating major pulmonary vessels that increase the risk of pulmonary hemorrhage; patients with lesions infiltrating major pulmonary vessels (contiguous tumor and vessels) are excluded; however, the presence of a tumor that is touching, but not infiltrating (abutting) the vessels is acceptable (computed tomography [CT] with contrast is strongly recommended to evaluate such lesions); patients with large protruding endobronchial lesions in the main or lobar bronchi are excluded; however, endobronchial lesions in the segmented bronchi are allowed
  • Patients must have measurable disease per RECIST 1.1 by computed tomography (CT) scan or magnetic resonance imaging (MRI); lesions must be accurately measured in at least one dimension (longest diameter to be recorded) as >= 1 cm with CT or MRI (or >= 1.5 cm for lymph nodes); index lesions for the purpose of RECIST 1.1 measurements will not be selected from within the radiation therapy treatment field; however, if there is evidence of disease progression within the radiation treatment field, measurement of the progressing lesions will be documented
  • No prior treatment with an inhibitor of vascular endothelial growth factor (VEGF) or vascular endothelial growth factor receptor (VEGFR)
  • Prior treatment (somatostatin analogs excepted) must be completed at least 2 weeks prior to registration; in addition, prior treatment (somatostatin analogs excepted) must be completed at least 4 weeks prior to initiation of study drug; treatment-related toxicities must have improved to =< grade 1 prior to registration, with the exception of alopecia
  • Concurrent use of somatostatin analogs (SSTa) is allowed, provided that the patient is on a stable dose for at least two months and progressive disease on somatostatin analog has been documented; progression on octreotide is required for patients with tumors arising in the midgut
  • Prior treatment with embolization (including bland embolization, chemoembolization, and selective internal radiation therapy) or ablative therapies is allowed if measurable disease remains outside of the treated area or there is documented disease progression in a treated site; there is no limit on the prior number of procedures; prior liver-directed or other ablative treatment must be completed at least 8 weeks prior to registration; index lesions for the purpose of RECIST 1.1 measurements will not be selected from within the radiation therapy treatment field; however, if there is evidence of disease progression within the radiation treatment field, measurement of the progressing lesions will be documented
  • Patients should have completed any major surgery >= 4 weeks prior to registration and must have completed any minor surgery >= 2 weeks prior to registration; patients must have fully recovered from the procedure
  • The following are examples of procedures considered to be minor: port placement, laparoscopy, thoracoscopy, bronchoscopy, mediastinoscopy, skin biopsies, incisional biopsies, imaging-guided biopsy for diagnostic purposes, and dental extraction procedures
  • Insertion of a vascular access device, thoracentesis, paracentesis, and endoscopic ultrasonographic procedures are not considered to be major or minor surgeries
  • No concurrent condition resulting in immune compromise, including chronic treatment with corticosteroids or other immunosuppressive agents
  • No clinical evidence of central nervous system (CNS) metastases (including carcinomatous meningitis) at baseline, with the exception of those patients who have previously-treated CNS metastases (surgery +/
  • radiotherapy, radiosurgery, or gamma knife) and who meet both of the following criteria: a) are asymptomatic and b) had no requirement for steroids or enzyme-inducing anticonvulsants within 6 months prior to registration
  • No history of abdominal fistula, gastrointestinal perforation, or intra-abdominal abscess within 28 days prior to registration
  • No clinically significant gastrointestinal abnormalities that may increase the risk for gastrointestinal bleeding within 28 days prior to registration including, but not limited to:
  • Active peptic ulcer
  • Known endoluminal metastatic lesion(s) with history of bleeding
  • Inflammatory bowel disease (e.g. ulcerative colitis, Crohn's disease), or other gastrointestinal conditions with increased risk of perforation
  • No history of serious (i.e., requiring active medical therapy with medication or medical device under the supervision of a physician) non-healing wound, ulcer, trauma, or bone fracture within 28 days prior to study entry
  • Patients with a history of hypertension must have blood pressure that is adequately controlled on antihypertensives; (< 140/90 mm Hg)
  • No symptomatic congestive heart failure (New York Heart Association class II, III, or IV) within 6 months prior to registration
  • No arterial thrombotic events within 6 months of registration, including transient ischemic attack (TIA), cerebrovascular accident (CVA), peripheral arterial thrombus, myocardial infarction (MI), or unstable angina or angina requiring surgical or medical intervention in 6 months prior to registration; patients with clinically significant peripheral artery disease (i.e., claudication on less than one block) are ineligible; patients who have experienced a deep venous thrombosis or pulmonary embolus within 6 months prior to registration must be on stable therapeutic anticoagulation for at least 6 weeks prior to enrollment of this study
  • Patients on therapeutic anticoagulation with low molecular weight heparins, fondaparinux, rivaroxaban or warfarin are eligible, provided that they are on a stable dose of anticoagulants; patients who are currently receiving antiplatelet therapy of prasugrel or clopidogrel or antiaggregation agents (e.g., eptifibatide, epoprostenol, dipyridamole) or low doses of acetylsalicylic acid (up to 100 mg daily) are also eligible
  • No ongoing cardiac dysrhythmias, atrial fibrillation, or prolongation of corrected QT (QTc) interval to > 480 msec
  • No evidence of active bleeding, bleeding diathesis, or hemoptysis (>= 1/2 teaspoon of red blood) within 8 weeks prior to registration
  • No currently unstable angina and/or uncontrolled cardiac arrhythmias
  • Patients with symptomatic peripheral vascular disease are ineligible
  • Ejection fraction on echocardiogram (Echo) or multi gated acquisition scan (MUGA) > 50%
  • Chronic concomitant treatment with strong inhibitors of cytochrome P450, family 3, subfamily A, polypeptide 4 (CYP3A4) is not allowed on this trial; patients on strong CYP3A4 inhibitors must discontinue the drug 14 days prior to the start of study treatment
  • Women must not be pregnant or nursing; women of child bearing potential must have a negative serum or urine pregnancy test (minimum sensitivity 25 IU/L or equivalent units of human chorionic gonadotropin [HCG]) within 72 hours prior to registration; women of child-bearing potential include any female who has experienced menarche and who has not undergone surgical sterilization (hysterectomy, bilateral tubal ligation or bilateral oophorectomy) or is not postmenopausal (defined as amenorrhea >= 12 consecutive months; or women on hormone replacement therapy [HRT] with documented serum follicle stimulating hormone [FSH] level > 35 mIU/mL)
  • Age >= 18 years of age
  • Eastern Cooperative Oncology Group (ECOG) performance status 0-1
  • Granulocytes >= 1,500/mcL
  • Platelets >= 100,000/mcL
  • International normalized ratio (INR) =< 1.2 X upper limit of normal (ULN); only required for patients receiving anticoagulant therapy; patients are eligible if their INR is stable and within the recommended range for the desired level of anticoagulation
  • QTc =< 480 msecs
  • Thyroid stimulating hormone (TSH) within normal limits (WNL); medications for thyroid dysfunction are allowed as long as TSH is normal at registration; in patients with abnormal TSH, if the free thyroxine (free T4) and free thyroxine index (FTI) are normal and patient is clinically euthyroid, patient is eligible
  • Bilirubin =< 1.5 x ULN
  • Aspartate aminotransferase (AST) (serum glutamic oxaloacetic transaminase [SGOT]) & alanine aminotransferase (ALT) (serum glutamate pyruvate transaminase [SGPT]) =< 2.5 x ULN; concomitant elevations in bilirubin and AST/ALT above 1.0 X ULN are NOT permitted; also, if liver metastases are present, AST & ALT =< 5 x ULN is allowed
  • Serum creatinine =< 1.5 x ULN
  • Urine protein to creatinine ratio < 1, or, 24-hour urine protein < 1 g; if urine protein to creatinine (UPC) >= 1, then a 24-hour urine protein must be assessed; patients must have a 24-hour urine protein value < 1 g to be eligible; use of urine dipstick for renal function assessment is not acceptable

Sites

  • California

    • USC / Norris Comprehensive Cancer Center, Los Angeles, California, 90033
    • Cedars-Sinai Medical Center, Los Angeles, California, 90048
    • Kaiser Permanente Medical Group - Baldwin Park, Baldwin Park, California, 91706
    • Kaiser Permanente Health Care, San Marcos, California, 92069
    • Kaiser Permanente, San Diego, California, 92120
    • Kaiser Permanente at San Diego, San Diego, California, 92120
    • Palo Alto Medical Foundation-Santa Cruz, Santa Cruz, California, 95065
    • UCSF Medical Center-Mount Zion, San Francisco, California, 94115
    • Palo Atlo Medical Foundation-Sunnyvale, Sunnyvale, California, 94806

  • Nevada

    • Comprehensive Cancer Centers of Nevada, Las Vegas, Nevada, 89148
    • Comprehensive Cancer Centers of Nevada-Summerlin, Las Vegas, Nevada, 89144
    • Comprehensive Cancer Centers of Nevada - Henderson, Henderson, Nevada, 89052
    • Comprehensive Cancer Centers of Nevada - Northwest, Las Vegas, Nevada, 89128
    • Radiation Oncology Centers of Nevada Central, Las Vegas, Nevada, 89106

  • Utah

    • Dixie Medical Center Regional Cancer Center, Saint George, Utah, 84770
    • Intermountain Medical Center, Murray, Utah, 84157
    • Utah Cancer Specialists-Salt Lake City, Salt Lake City, Utah, 84106
    • McKay-Dee Hospital Center, Ogden, Utah, 84403

  • Arizona

    • Mayo Clinic in Arizona, Scottsdale, Arizona, 85259

  • Idaho

    • Saint Alphonsus Cancer Care Center-Boise, Boise, Idaho, 83706

  • New Mexico

    • Memorial Medical Center - Las Cruces, Las Cruces, New Mexico, 88011

  • Colorado

    • Penrose-Saint Francis Healthcare, Colorado Springs, Colorado, 80907
    • Rocky Mountain Cancer Centers-Boulder, Boulder, Colorado, 80304
    • Porter Adventist Hospital, Denver, Colorado, 80210
    • Longmont United Hospital, Longmont, Colorado, 80501
    • McKee Medical Center, Loveland, Colorado, 80539
    • Poudre Valley Hospital, Fort Collins, Colorado, 80524
    • North Colorado Medical Center, Greeley, Colorado, 80631

  • Oregon

    • Clackamas Radiation Oncology Center, Clackamas, Oregon, 97015
    • Providence Saint Vincent Medical Center, Portland, Oregon, 97225

  • Washington

    • PeaceHealth Southwest Medical Center, Vancouver, Washington, 98664

  • Montana

    • Bozeman Deaconess Hospital, Bozeman, Montana, 59715
    • Billings Clinic Cancer Center, Billings, Montana, 59107

  • South Dakota

    • Rapid City Regional Hospital, Rapid City, South Dakota, 57701

  • Kansas

    • Hays Medical Center, Hays, Kansas, 67601
    • Saint Rose Ambulatory and Surgery Center, Great Bend, Kansas, 67530
    • Salina Regional Health Center, Salina, Kansas, 67401
    • University of Kansas Medical Center, Kansas City, Kansas, 66160
    • Kansas City Cancer Centers-Southwest, Overland Park, Kansas, 66210

  • Oklahoma

    • University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, 73104
    • Tulsa Cancer Institute, Tulsa, Oklahoma, 74146

  • Texas

    • University of Texas Health Science Center at San Antonio, San Antonio, Texas, 78229

  • Nebraska

    • Nebraska Cancer Research Center, Lincoln, Nebraska, 68510
    • Alegent Health Lakeside Hospital, Omaha, Nebraska, 68130
    • Alegent Health Bergan Mercy Medical Center, Omaha, Nebraska, 68124
    • Nebraska Methodist Hospital, Omaha, Nebraska, 68114
    • Alegent Health Immanuel Medical Center, Omaha, Nebraska, 68122
    • Missouri Valley Cancer Consortium, Omaha, Nebraska, 68106
    • Creighton University Medical Center, Omaha, Nebraska, 68131

  • Missouri

    • Kansas City Cancer Centers - North, Kansas City, Missouri, 64154
    • Kansas City Cancer Center - South, Kansas City, Missouri, 64131
    • Truman Medical Center, Kansas City, Missouri, 64108
    • Kansas City Cancer Center-Lee's Summit, Lee's Summit, Missouri, 64064
    • University of Missouri - Ellis Fischel, Columbia, Missouri, 65212
    • Missouri Baptist Medical Center, Saint Louis, Missouri, 63131
    • Washington University School of Medicine, Saint Louis, Missouri, 63110

  • Iowa

    • Medical Oncology and Hematology Associates-West Des Moines, Clive, Iowa, 50325
    • Mercy Cancer Center-West Lakes, Clive, Iowa, 50325
    • Mercy Medical Center - Des Moines, Des Moines, Iowa, 50314
    • Medical Oncology and Hematology Associates-Laurel, Des Moines, Iowa, 50314
    • Iowa Oncology Research Association CCOP, Des Moines, Iowa, 50309
    • Iowa Methodist Medical Center, Des Moines, Iowa, 50309
    • Medical Oncology and Hematology Associates-Des Moines, Des Moines, Iowa, 50309
    • Iowa Lutheran Hospital, Des Moines, Iowa, 50316
    • University of Iowa Hospitals and Clinics, Iowa City, Iowa, 52242
    • Mercy Hospital, Cedar Rapids, Iowa, 52403

  • Minnesota

    • Hutchinson Area Health Care, Hutchinson, Minnesota, 55350
    • Saint Francis Regional Medical Center, Shakopee, Minnesota, 55379
    • North Memorial Medical Health Center, Robbinsdale, Minnesota, 55422
    • Abbott-Northwestern Hospital, Minneapolis, Minnesota, 55407
    • Unity Hospital, Fridley, Minnesota, 55432
    • Minnesota Oncology Hematology PA-Maplewood, Maplewood, Minnesota, 55109
    • Minnesota Oncology and Hematology PA-Woodbury, Woodbury, Minnesota, 55125
    • Mayo Clinic, Rochester, Minnesota, 55905
    • Essentia Health Cancer Center, Duluth, Minnesota, 55805

  • Wisconsin

    • Cancer Center of Western Wisconsin, New Richmond, Wisconsin, 54017
    • Marshfield Clinic Cancer Center at Sacred Heart, Eau Claire, Wisconsin, 54701
    • Sacred Heart Hospital, Eau Claire, Wisconsin, 54701
    • Marshfield Clinic-Rice Lake Center, Rice Lake, Wisconsin, 54868
    • Marshfield Clinic-Chippewa Center, Chippewa Falls, Wisconsin, 54729
    • Saint Joseph's Hospital, Marshfield, Wisconsin, 54449
    • Marshfield Clinic, Marshfield, Wisconsin, 54449
    • University of Wisconsin Hospital and Clinics, Madison, Wisconsin, 53792
    • Marshfield Clinic - Wisconsin Rapids Center, Wisconsin Rapids, Wisconsin, 54494
    • Marshfield Clinic-Wausau Center, Wausau, Wisconsin, 54401
    • Saint Clare's Hospital, Weston, Wisconsin, 54476
    • Marshfield Clinic-Minocqua Center, Minocqua, Wisconsin, 54548
    • Saint Mary's Hospital, Rhinelander, Wisconsin, 54501
    • Froedtert and the Medical College of Wisconsin, Milwaukee, Wisconsin, 53226

  • Illinois

    • Ingalls Memorial Hospital, Harvey, Illinois, 60426
    • University of Chicago Comprehensive Cancer Center, Chicago, Illinois, 60637
    • University of Chicago, Chicago, Illinois, 60637

  • Indiana

    • Indiana University/Melvin and Bren Simon Cancer Center, Indianapolis, Indiana, 46202
    • Indiana University Medical Center, Indianapolis, Indiana, 46202
    • Michiana Hematology Oncology PC-Mishawaka, Mishawaka, Indiana, 46545

  • Kentucky

    • Hardin Memorial Hospital, Elizabethtown, Kentucky, 42701

  • Michigan

    • Mercy Health Mercy Campus, Muskegon, Michigan, 49444
    • Bronson Battle Creek, Battle Creek, Michigan, 49017
    • Spectrum Health Reed City Hospital, Reed City, Michigan, 49677
    • Allegiance Health, Jackson, Michigan, 49201
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