- ICH GCP
- Amerikanska kliniska prövningsregistret
- Klinisk prövning NCT00075439
Gefitinib in Treating Patients With Progressive Metastatic Neuroendocrine Tumors
A Phase II Trial of ZD1839 (Iressa®) in Metastatic Neuroendocrine Tumors
Studieöversikt
Status
Betingelser
Intervention / Behandling
Detaljerad beskrivning
PRIMARY OBJECTIVES:
I. To determine the 6 month progression free survival rate in patients with progressive, advanced neuroendocrine tumors treated with ZD1839.
SECONDARY OBJECTIVES:
I. Objective tumor response rate. II. Progression free survival and time to progression. III. Improvement in circulating hormone levels. IV. Overall survival V. We will explore the molecular characterization of these tumors in attempt to understand the role of EGFR expression and its inhibition with ZD1839 in neuroendocrine tumors. The measurements will be performed on pretreatment and post-treatment tumor biopsies when possible: EGFR expression and gene amplification (IHC for EGFR and phosphorylated EGFR, ISH for gene amplification); Activation of the Ras/Raf/MAPK pathway (IHC for phosphorylated MAPK); Cell proliferation (Ki-67 staining); Apoptosis (TUNEL assay).
OUTLINE: This is a multicenter study. Patients are stratified according to disease type (carcinoid vs islet cell and other neuroendocrine tumors).
Patients receive oral gefitinib once daily on days 1-28. Courses repeat every 28 days in the absence of disease progression or unacceptable toxicity.
Patients are followed every 3 months until disease progression and then every 6 months for up to 2 years from study entry.
Studietyp
Inskrivning (Förväntat)
Fas
- Fas 2
Kontakter och platser
Studieorter
-
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Minnesota
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Rochester, Minnesota, Förenta staterna, 55905
- Mayo Clinic
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Deltagandekriterier
Urvalskriterier
Åldrar som är berättigade till studier
Tar emot friska volontärer
Kön som är behöriga för studier
Beskrivning
Inclusion Criteria:
- Histologically confirmed metastatic neuroendocrine neoplasms or histologic confirmation of primary neuroendocrine tumor with clear clinical evidence of metastases
- Measurable disease
Radiographic evidence of disease progression, following any prior systemic therapy, chemoembolization, embolization, or observation; for eligibility purposes, disease progression will be defined as follows:
Either of the following documented by comparison of the on-study radiographic assessment with a prior assessment of the same type performed within the previous 60 calendar weeks:
- Appearance of a new lesion
- At least 20% increase in the longest diameter (LD) of any previously documented lesion or an increase in the sum of the LDs of multiple lesions in aggregate of 20%
- ≥4 weeks from the completion of major surgery, chemotherapy or other systemic therapy and hepatic artery embolization/chemoembolization to study registration
- ≥3 weeks from the completion of radiation therapy to study registration
- Recovered sufficiently from side effects of prior therapy
- Absolute neutrophil count (ANC) ≥ 1000/mm3
- PLT ≥ 75,000/ mm3
- Hgb ≥ 8.0 g/dL
- Total bilirubin ≤ 2 x upper normal limit (UNL)
- Alkaline phosphatase ≤ 3 x UNL (5 x UNL if liver metastases present)
- AST ≤ 3 x UNL (≤ 5 x UNL if liver metastases present)
- Creatinine ≤ 1.5 x UNL
- ECOG performance score (ps) ≤ 2
- Life expectancy ≥ 24 weeks
- Capable of understanding the investigational nature, potential risks and benefits of the study and able to provide valid informed consent
Exclusion Criteria:
- Thyroid carcinoma of any histology or pheochromocytoma/paraganglioma
Any of the following as this regimen may be harmful to a developing fetus or nursing child:
- Pregnant women
- Breastfeeding women
- Men or women of childbearing potential or their sexual partners who are unwilling to employ adequate contraception (condoms, diaphragm, birth control pills, injections, intrauterine device [IUD], surgical sterilization, subcutaneous implants, or abstinence, etc.)
- NOTE: The effects of the agent(s) on the developing human fetus at the recommended therapeutic dose are unknown
- Anaplastic or high-grade histology
Any of the following prior therapies:
- > 1 prior systemic chemotherapy regimen (chemoembolization not counted as systemic chemotherapy)
- Prior EGFR targeted regimen (e.g. OSI-774, EKB-569, ZD1839)
- < 4 weeks from last Interferon injection
- < 2 weeks from last octreatide short acting injection or < 6 weeks long acting injection; Note: concurrent octreatide allowed if stable dose has been administered for ≥1 month, there is documented tumor progression on the current dose, and there is no current plan for increasing dose • Other concurrent treatment considered investigational
- Concurrent chemotherapy or radiation therapy
Any of the following:
- Gastrointestinal tract disease resulting in an inability to take oral medication (e.g. dysphagia or inability to swallow capsules intact).
- Requirement for IV alimentation
- Prior procedures clearly adversely affecting intestinal absorption
- Active peptic ulcer disease
- Failure to fully recover from adverse effects of prior therapies regardless of interval since last treatment
Known abnormality of cornea, such as:
- History of dry eye syndrome or Sjogren syndrome
- Congenital abnormality
- Abnormal slit-lamp examination using a vital dye (e.g.: fluorescein or Bengal-rose)
- Abnormal corneal sensitivity test (Schirmer test)
Uncontrolled intercurrent illness including, but not limited to:
- Ongoing or active infection
- Symptoms of congestive heart failure
- Unstable angina pectoris, cardiac arrhythmia
- Psychiatric illness/social situation that would limit compliance with study requirement
- Known brain metastases; Note: These patients are excluded from this clinical trial because of their poor prognosis and because they often develop progressive neurologic dysfunction that would confound the evaluation of neurologic and other adverse events
- Known HIV-positive patients receiving combination anti-retroviral therapy; Note: These patients are excluded from the study because of possible pharmacokinetic interactions with ZD1839 and because patients with immune deficiency are at increased risk of lethal infections when treated with marrow-suppressive therapy; appropriate studies will be undertaken in patients receiving combination and anti-retroviral therapy when indicated
- Concurrent or recent use (≤ 7 days prior to ZD1839 administration) of phenytoin, carbamazepine, barbiturates, rifampicin, oxcarbazepine, rifapentine, modafinil, or St. John's Wort; Note: Because these drugs induce CYP3A4 enzymes and can cause reductions in ZD1839 plasma concentrations below levels thought to be biologically active, patients with concurrent or recent use of these drugs are excluded from the study
- History of other invasive malignancy ≤ the previous 3 years, except for adequately treated basal cell or squamous cell skin cancer, or carcinoma in situ of the cervix
Studieplan
Hur är studien utformad?
Designdetaljer
- Primärt syfte: Behandling
- Tilldelning: N/A
- Interventionsmodell: Enskild gruppuppgift
- Maskning: Ingen (Open Label)
Vapen och interventioner
Deltagargrupp / Arm |
Intervention / Behandling |
---|---|
Experimentell: Arm I
Patients receive oral gefitinib once daily on days 1-28.
Courses repeat every 28 days in the absence of disease progression or unacceptable toxicity.
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Korrelativa studier
Ges oralt
Andra namn:
|
Vad mäter studien?
Primära resultatmått
Resultatmått |
Åtgärdsbeskrivning |
Tidsram |
---|---|---|
Proportion of patients progression-free at 6 months
Tidsram: At 6 months
|
If patients are lost to follow-up or discontinue active monitoring prior to 6 months post-registration, we will consider censoring them for the evaluation of the primary endpoint.
Here, Kaplan-Meier methodology will be used to estimate the final success proportion (ie, 6 month success rate with a 95% confidence interval).
Otherwise, ninety-five percent confidence intervals for the true success proportion will be calculated according to the approach of Duffy and Santner.
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At 6 months
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Sekundära resultatmått
Resultatmått |
Åtgärdsbeskrivning |
Tidsram |
---|---|---|
Incidence of adverse events graded according to NCI CTCAE version 3.0
Tidsram: Up to 2 years
|
The maximum grade for each type of toxicity will be recorded for each patient, and frequency tables will be reviewed to determine toxicity patterns.
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Up to 2 years
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Confirmed tumor response to treatment will be evaluated and will be considered a PR or CR on consecutive evaluations at least 4 weeks apart
Tidsram: Up to 2 years
|
The proportion of responses will be evaluated and will be tabulated.
Assuming a binomial distribution for the incidence of response, 95% confidence intervals will also be generated.
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Up to 2 years
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Survival time
Tidsram: Time from registration to death due to any cause, assessed up to 2 years
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The distribution of survival time will be estimated using the method of Kaplan-Meier.
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Time from registration to death due to any cause, assessed up to 2 years
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Time to disease progression
Tidsram: Time from randomization to documentation of disease progression, assessed up to 2 years
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The distribution of time to progression will be estimated using the method of Kaplan-Meier.
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Time from randomization to documentation of disease progression, assessed up to 2 years
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Duration of response
Tidsram: Date from which the patient's objective status is first noted to be either a CR or PR to the date progression is documented, assessed up to 2 years
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This data will be descriptively summarized and graphically evaluated.
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Date from which the patient's objective status is first noted to be either a CR or PR to the date progression is documented, assessed up to 2 years
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Time to treatment failure
Tidsram: Time from the date of registration to the date at which the patient is removed from treatment due to progression, toxicity, refusal, or death, assessed up to 2 years
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Time from the date of registration to the date at which the patient is removed from treatment due to progression, toxicity, refusal, or death, assessed up to 2 years
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Samarbetspartners och utredare
Sponsor
Utredare
- Huvudutredare: Timothy Hobday, Mayo Clinic
Studieavstämningsdatum
Studera stora datum
Studiestart
Primärt slutförande (Faktisk)
Avslutad studie
Studieregistreringsdatum
Först inskickad
Först inskickad som uppfyllde QC-kriterierna
Första postat (Uppskatta)
Uppdateringar av studier
Senaste uppdatering publicerad (Uppskatta)
Senaste inskickade uppdateringen som uppfyllde QC-kriterierna
Senast verifierad
Mer information
Termer relaterade till denna studie
Ytterligare relevanta MeSH-villkor
- Matsmältningssystemets sjukdomar
- Patologiska processer
- Neoplasmer efter histologisk typ
- Neoplasmer efter plats
- Adenocarcinom
- Carcinom
- Neoplasmer, körtel och epitel
- Sjukdomar i det endokrina systemet
- Sjukdomsegenskaper
- Neoplasmer i matsmältningssystemet
- Gastrointestinala sjukdomar
- Neoplasmer i endokrina körtel
- Neuroektodermala tumörer
- Neoplasmer, könsceller och embryonala
- Neoplasmer, nervvävnad
- Bukspottkörtelsjukdomar
- Adenom
- Karcinom, neuroendokrina
- Pankreatiska neoplasmer
- Adenom, öcell
- Neoplasmer
- Upprepning
- Gastrointestinala neoplasmer
- Neuroendokrina tumörer
- Karcinoid tumör
- Malignt karcinoid syndrom
- Karcinom, öcell
- Insulinom
- Gastrinom
- Glukagonom
- Somatostatinom
- Vipoma
- Molekylära mekanismer för farmakologisk verkan
- Enzyminhibitorer
- Antineoplastiska medel
- Proteinkinashämmare
- Gefitinib
Andra studie-ID-nummer
- NCI-2012-02796
- N01CM62205 (U.S.S. NIH-anslag/kontrakt)
- MC0279
Läkemedels- och apparatinformation, studiedokument
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