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Safety and Tolerability of Everolimus as Second-line Treatment in Poorly Differentiated Neuroendocrine Carcinoma / Neuroendocrine Carcinoma G3 (WHO 2010) and Neuroendocrine Tumor G3 - an Investigator Initiated Phase II Study

Safety and Tolerability of Everolimus as Second-line Treatment in Poorly Differentiated Neuroendocrine Carcinoma / Neuroendocrine Carcinoma G3 (WHO 2010) and Neuroendocrine Tumor G3 - an Investigator Initiated Phase II Study

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02113800
Acronym
EVINEC
Enrollment
40
Registered
2014-04-15
Start date
2015-08-31
Completion date
2020-04-30
Last updated
2020-10-28

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Poorly Differentiated Malignant Neuroendocrine Carcinoma, Neuroendocrine Carcinoma, Grade 3, Neuroendocrine Carcinoma, Grade 1 [Well-differentiated Neuroendocrine Carcinoma] That Switched to G3, Neuroendocrine Carcinoma, Grade 2 [Moderately Differentiated Neuroendocrine Carcinoma] That Switched to G3, Neuroendocrine Tumor, Grade 3 and Disease Progression as Measured by Response Evaluation Criteria in Solid Tumors (RECIST 1.1.)

Brief summary

The study is designed as an open-label, prospective, single arm, multicenter study of everolimus in histologically confirmed, neuroendocrine carcinoma G3 /neuroendocrine tumor G3 after failure of first-line platin-based chemotherapy (open-label pilot study). The aim of this study is to provide a second line therapy to patients with any type of platinum based first line chemotherapy, to gather data on disease control rate and progression free survival.

Detailed description

As more efficient drugs are urgently needed for the treatment of neuroendocrine tumors the investigator evaluated phosphorylated Mammalian target of rapamycin (mTOR) and effectors in a series of NEC G3 at the Charité Center. Everolimus showed antiproliferative effects in bronchial NET. In a second approach the data of this study should be the basis to generate another study to further explore everolimus as maintenance therapy in NEC G3/ NET G3.

Interventions

Formulation: 10 mg/day Route: oral (tablet)

Sponsors

Assign Data Management and Biostatistics GmbH
CollaboratorOTHER
Novartis Pharmaceuticals
CollaboratorINDUSTRY
AIO-Studien-gGmbH
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

1. Signed written informed consent 2. Male or female ≥ 18 years of age 3. Patients with poorly differentiated neuroendocrine carcinoma, neuroendocrine carcinoma G3 (NEC - G3 according to WHO 2010) or well or moderately differentiated neuroendocrine carcinoma (NET - G1 / G2) that switched to G3 (confirmed by histology) or neuroendocrine tumor G3 (NET G3) and disease progression as measured by RECIST 1.1 4. Progression during or after treatment with first-line platinbased chemotherapy. In NET G3 that switched from NET G2 the line of therapy is determined from the time of revised histology (confirming a G3 NEN) 5. Measurable disease according to RECIST 1.1 6. Performance Status according to Eastern Cooperative Oncology Group (ECOG) status 0 - 2 (Karnofsky Performance status ≥ 80%) 7. Women of child-bearing potential must have a negative pregnancy test 8. Laboratory requirements: * Hematology * Absolute neutrophil count ≥ 1.5 x 109/L * Platelet count ≥ 100 x 10\^9/L * Leukocyte count ≥ 3.0 x 10\^9/L * Hemoglobin ≥ 9 g/dL or 5.59 mmol/L * Hepatic Function * Total bilirubin ≤ 1.5 time the upper limit normal (ULN) * Aspartate Aminotransferase (AST) ≤ 3 x ULN in absence of liver metastases, or ≤ 5 x ULN in presence of liver metastases * Alanine Aminotransferase (ALT) ≤ 3 x ULN in absence of liver metastases, or ≤ 5 x ULN in presence of liver metastases * Renal Function * Creatinine clearance ≥ 50 mL/min according to cockroft-Gault formula * Metabolic Function * Magnesium ≥ lower limit of normal * Calcium ≥ lower limit of normal * Others: * CRP (PCT if CRP is elevated to exclude infection) * negative urinary screening test for leukocytes and nitrite (U - stix) to exclude urinary tract infection

Exclusion criteria

1. Known or suspected allergy or hypersensitivity reaction to any of the components of study treatment or their excipients. 2. Previous therapy with mTOR inhibitor 3. Radiotherapy : * Concurrent radiotherapy involving target lesions used for this study. * Concurrent palliative radiation (but radiation for non-target lesions is allowed if other target lesions are available outside the involved field) * previous pre-operative or post-operative radiotherapy within 3 months before study treatment 4. History of other malignant tumors within the last 5 years, except basal cell carcinoma or curatively excised cervical carcinoma in situ 5. Known brain metastases unless adequately treated (surgery or radiotherapy) with no evidence of progression and neurologically stable off anticonvulsants and steroids 6. Clinically significant cardiovascular disease (including myocardial infarction, unstable angina, symptomatic congestive heart failure, serious uncontrolled cardiac arrhythmia) ≤ 1 year before enrolment 7. Inadequate pulmonary function according to the Investigator's judgment, history of interstitial lung disease e.g. pneumonitis or pulmonary fibrosis or evidence of interstitial lung disease on baseline chest CT scan 8. Known active Hepatitis B Virus (HBV), Hepatitis C Virus (HCV) or HIV infection 9. Serious concomitant disease or medical condition that in the judgment of the investigator renders the patient at high risk from treatment complication 10. Any systemic disease requiring oral intake of corticosteroids (except for replacement therapy of corticosteroids - hydrocortisone in case of adrenal or pituitary insufficiency) 11. Hearing loss ≥ Grade 3 (CTCAE v4.03) 12. Patient pregnant or breast feeding, or planning to become pregnant within 8 weeks after the end of treatment 13. Patient (male or female) is not willing to use highly effective methods of contraception (per institutional standard) during treatment and for 8 weeks (male or female) after the end of treatment. 14. Concurrent treatment with other experimental drugs or participation in another clinical trial with any investigational drug within 28 days prior to treatment start 15. Concurrent treatment with inhibitors (e.g. itraconazole, ketoconazole) and inducers (e.g. phenytoin, rifampicin) of Cytochrome P450 3A4 (CYP3A4) and / or the multidrug efflux pump P-glycoprotein (PgP). 16. Known drug abuse/alcohol abuse 17. Peripheral polyneuropathy ≥ Grade 2 (CTCAE v4.03) 18. Active chronic inflammatory bowel disease 19. Any condition which might interfere with study objectives (e.g. infections) or would limit the patient's ability to complete the study in the opinion of the investigator 20. Patient who has been incarcerated or involuntarily institutionalized by court order or by the authorities. (AMG §40, Abs. 1 No. 4) 21. Affected persons who might be dependent on the sponsor or the investigator

Design outcomes

Primary

MeasureTime frameDescription
Incidence of adverse events (AEs)approx. 18 monthIncidence of adverse events (AEs) overall and by severity, and serious adverse events (SAEs). Severity will be assessed using the National Cancer Institute-Common Toxicity Criteria (NCI-CTC) for Adverse Events, version 4.03 (CTCAEv4.03). To evaluate tolerability and safety of everolimus in second-line treatment of poorly differentiated neuroendocrine carcinoma / neuroendocrine carcinoma G3 according to WHO 2010 and neuroendocrine tumors G3.

Secondary

MeasureTime frameDescription
Objective response rate (ORR)approx. 18 monthObjective response rate defined as the rate of best overall response (CR+PR), determined by RECIST V 1.1.
Disease control rate (DCR)approx. 18 monthDisease control rate defined as the rate of best overall response and stable disease (CR+PR+SD), determined by RECIST V 1.1.
Duration of response (DR)approx. 18 monthDuration of response is defined as the time from onset of the first objective tumor response (CR/PR) to objective tumor progression or death from any cause.
Overall Survival (OS)approx. 18 monthOS is defined as the time from date of randomization to the date of death from any cause. If a patient is not known to have died at the date of analysis cut-off, the OS will be censored at the last date of contact.
Quality of lifeapprox. 18 monthQuality of life (HRQoL) will be evaluated using the European Organisation for Research and Treatment of Cancer (EORTC), to assess the quality of life of cancer patients questionnaire (QLQ-C30)
Progression free survival (PFS)approx. 18 monthProgression free survival (PFS) as the length of time during and after the treatment of a disease, such as cancer, that a patient lives with the disease but it does not get worse as per local radiology assessment using Response Evaluation Criteria in Solid Tumors (RECIST 1.1.)
Time to Progression (TTP)approx. 18 monthTime to progression (TTP) is the time from date of start of treatment to the date of event defined as the first documented progression due to underlying cancer.
neuron-specific enolaseapprox. 12 monthPercentage of patients showing normalization or a decrease of neuron-specific enolase
progastrin releasing peptideapprox. 12 monthPercentage of patients showing normalization or a decrease of progastrin releasing peptide.
Correlation mTOR pathway components in tumor tissue to tumor responseapprox. 18 monthTo explore expression of mTOR pathway components in tumor tissue (archive) in correlation to tumor response
chromogranin A & Bapprox. 12 monthPercentage of patients showing normalization or a decrease of chromogranin A & B

Countries

Germany

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 26, 2026