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FLO +/- Pazopanib as First-line Treatment in Advanced Gastric Cancer (PaFLO)

Primary Purpose

Advanced Gastric Cancer

Status
Completed
Phase
Phase 2
Locations
Germany
Study Type
Interventional
Intervention
Pazopanib
5-FU, Oxaliplatin, Leukovorin (FLO)
Sponsored by
Charite University, Berlin, Germany
About
Eligibility
Locations
Arms
Outcomes
Full info

About this trial

This is an interventional treatment trial for Advanced Gastric Cancer

Eligibility Criteria

18 Years - undefined (Adult, Older Adult)All SexesDoes not accept healthy volunteers

Inclusion Criteria:

  • Subjects must provide written informed consent prior to performance of study-specific procedures or assessments, and must be willing to comply with treatment and follow up.
  • Age ≥ 18 years.
  • Histologically confirmed adenocarcinoma of the stomach or the gastroesophageal junction with either metastatic or locally advanced disease, incurable by operation.
  • Eastern Cooperative Oncology Group (ECOG) performance status of < or = 2
  • At least one unidimensional, measurable tumor parameter (according to RECIST 1.1)
  • No preceding cytotoxic therapy (neoadjuvant or adjuvant treatment allowed if finished > 6 months before inclusion)
  • Adequate organ system function.
  • Men and women must perform an adequate contraception.
  • Female subjects who are lactating should discontinue nursing prior to the first dose of study drug and should refrain from nursing throughout the treatment period and for 14 days following the last dose of study drug.

Exclusion Criteria:

  • Prior malignancy, except for curatively treated basal cell carcinoma of the skin and in situ carcinoma of the cervix.
  • Overexpression of HER-2, defined as IHC 3+ or IHC 2+ and FISH positive.
  • Known hypersensitivity against 5-FU, leukovorin, oxaliplatin or other platinum compounds or pazopanib.
  • History or clinical evidence of central nervous system (CNS) metastases or leptomeningeal carcinomatosis.
  • Clinically significant gastrointestinal abnormalities that may increase the risk for gastrointestinal bleeding or the absorption of investigational product
  • Presence of uncontrolled infection.
  • Corrected QT interval (QTc) > 480 ms using Bazett's formula.
  • History of any one or more of the following cardiovascular conditions within the past 6 months: cardiac angioplasty or stenting, myocardial infarction, unstable angina, coronary artery bypass graft surgery, symptomatic peripheral vascular disease, NYHA III or IV congestive heart failure.
  • Poorly controlled hypertension.
  • History of cerebrovascular accident including transient ischemic attack (TIA), pulmonary embolism or untreated deep venous thrombosis (DVT) within the past 6 months.
  • Prior major surgery or trauma within 28 days prior to first dose of study drug and/or presence of any non-healing wound, fracture, or ulcer.
  • Evidence of active bleeding or bleeding diathesis.
  • Known endobronchial lesions and/or lesions infiltrating major pulmonary vessels.
  • Hemoptysis in excess of 2.5 ml within 8 weeks of first dose of study drug.
  • Any serious and/or unstable pre-existing medical, psychiatric, or other condition that could interfere with subject's safety, provision of informed consent, or compliance to study procedures.
  • Unable or unwilling to discontinue use of prohibited medications for at least 14 days or five half-lives of a drug (whichever is longer) prior to the first dose of study drug and for the duration of the study.
  • Treatment with any of the following anti-cancer therapies: radiation therapy, surgery or tumor embolization within 14 days prior to the first dose of pazopanib OR chemotherapy, immunotherapy, biologic therapy, investigational therapy or hormonal therapy within 14 days or five half-lives of a drug (whichever is longer) prior to the first dose of pazopanib. A neoadjuvant or adjuvant chemotherapy must be finished at least 6 month before study entry.
  • Any ongoing toxicity from prior anti-cancer therapy that is >Grade 1 and/or that is progressing in severity, except alopecia.
  • Grade 3 or 4 diarrhea.
  • Peripheral polyneuropathy > NCI Grade.
  • Pregnant or lactating women.
  • Men or women who are planning a pregnancy within the next six months.
  • Participation in another clinical trial with investigational agents within the last 30 days prior to study start.
  • The patient is a colleague or employed by the study investigator or by an involved institution including the sponsor of the study.
  • Patient is detained in a psychiatric unit or imprisoned.

Sites / Locations

  • Charite University medicine

Arms of the Study

Arm 1

Arm 2

Arm Type

Experimental

Active Comparator

Arm Label

Arm A: FLO + Pazopanib

Arm B: FLO

Arm Description

Outcomes

Primary Outcome Measures

progression-free survival rate at 6 months

Secondary Outcome Measures

progression-free survival rate at 9 and 12 months
median progression-free survival
response rate
duration of response
toxicity
number of patients with Adverse Events according to CTC-criteria
tolerability
number of patients having adverse events and require interruptions and dose reductions of chemotherapy
overall survival
time to treatment failure
evaluation of the predictive and prognostic relevance of biomarkers
collection of plasma samples at designated time points during treatment and measuring of angiogenic factors correlating with response rate and outcome

Full Information

First Posted
December 22, 2011
Last Updated
February 11, 2019
Sponsor
Charite University, Berlin, Germany
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1. Study Identification

Unique Protocol Identification Number
NCT01503372
Brief Title
FLO +/- Pazopanib as First-line Treatment in Advanced Gastric Cancer
Acronym
PaFLO
Official Title
Pazopanib With 5-Fluorouracil, Leucovorin and Oxaliplatin (FLO) as 1st-line Treatment in Advanced Gastric Cancer; a Randomized Phase-II-study of the Arbeitsgemeinschaft Internistische Onkologie
Study Type
Interventional

2. Study Status

Record Verification Date
February 2019
Overall Recruitment Status
Completed
Study Start Date
November 2011 (undefined)
Primary Completion Date
December 14, 2017 (Actual)
Study Completion Date
December 14, 2017 (Actual)

3. Sponsor/Collaborators

Responsible Party, by Official Title
Principal Investigator
Name of the Sponsor
Charite University, Berlin, Germany

4. Oversight

Data Monitoring Committee
Yes

5. Study Description

Brief Summary
The prognosis of advanced gastric cancer and adenocarcinoma of the gastro-esophageal (GE) junction is poor. Even with modern chemotherapy the median survival ranges around 8-10 months. Inhibition of neoangiogenesis seems to be a very promising approach in gastric cancer. Vascular endothelial growth factor (VEGF) acts as one of the most potent stimulating agents of angiogenesis, and several strategies targeting the VEGF signaling pathway have been developed, including anti-VEGF antibodies, soluble receptors binding directly to VEGF ligand, anti-VEGF receptor (VEGFR) antibodies and VEGFR tyrosine kinase inhibitors. The breakthrough in the clinical development of anti-angiogenic therapy against colorectal cancer came in 2003 with a large prospective, randomized clinical trial of bevacizumab, a monoclonal antibody directed against VEGF. Anti-angiogenic therapy has introduced a highly effective, completely new mode of action in this area and is the new standard of care in advanced colorectal cancer. The concept of VEGF inhibition is also very promising in gastric cancer. Bevacizumab was investigated in combination with irinotecan and cisplatin in a phase-II trial, including 47 patients with gastric and GE-junction carcinoma. Bevacizumab could safely be given and could improve time to tumor progression by 75% compared to historical controls. Several phase-II trials confirm the tolerability and promising efficacy of bevacizumab in gastric cancer (Bevacizumab + Docetaxel/Oxaliplatin; FOLFOX + Bevacizumab; Docetaxel/Cisplatin/Irinotecan + Bevacizumab). These results were so promising that randomized phase-III trials in the 1st-line and perioperative setting are under way (AVAGAST-trial: Cisplatin /Capecitabine +/- bevacizumab 1st line ; MAGIC-B-trial : ECX +/- bevacizumab perioperative). Tyrosin kinase inhibitors which inhibit VEGF receptors and EGFR are also investigated in gastric cancer with promising efficacy. Pazopanib, an orally available tyrosine kinase inhibitor, selectively inhibits vascular endothelial growth factor receptors (VEGFR)-1, -2 and -3, c-kit and platelet derived growth factor receptor (PDGF-R), which results in inhibition of angiogenesis in tumors in which these receptors are upregulated. Pazopanib has the advantage of being an orally available anti-angiogenesis component. Pazopanib shows promising activity in phase-II trials in renal cell cancer, breast cancer, soft tissue sarcoma and non small cell lung cancer. A phase-III trial of pazopanib in renal cell cancer (NCT00334282) is completed and resulted in the approval of Pazopanib for this disease. A phase-III trial in soft tissue sarcoma (NCT00753688) is currently performed. In phase-I trials, pazopanib was investigated in combination with FOLFOX and Capecitabine/Oxaliplatin. FOLFOX could be administered in full dose with 800 mg pazopanib. In Cape/Ox, capecitabine had to be reduced to 850mg/m² bd. 5-FU- and oxaliplatin-based regimens are one of the established treatment standards for 1st-line therapy in metastatic gastric cancer. The efficacy of 5-FU, leukovorin and oxaliplatin (FLO) compared to 5-FU, cisplatin could be confirmed in a randomized phase-III trial of the Arbeitsgemeinschaft Internistische Onkologie (AIO). FLO has a favorable toxicity profile. In Germany, FLO is a widely used combination for advanced gastric cancer and is a recommended regimen in the new German S3-guidelines 2011. The investigators therefore want to examine FLO + pazopanib.

6. Conditions and Keywords

Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Advanced Gastric Cancer

7. Study Design

Primary Purpose
Treatment
Study Phase
Phase 2
Interventional Study Model
Parallel Assignment
Masking
None (Open Label)
Allocation
Randomized
Enrollment
75 (Actual)

8. Arms, Groups, and Interventions

Arm Title
Arm A: FLO + Pazopanib
Arm Type
Experimental
Arm Title
Arm B: FLO
Arm Type
Active Comparator
Intervention Type
Drug
Intervention Name(s)
Pazopanib
Intervention Description
Adding Pazopanib to a standard chemotherapy consisting of FLO. 800 mg (2x400mg or 4x200mg) Pazopanib per day should be taken orally without food at least one hour before or two hours after a meal. Pazopanib will be given d1-14 each cycle (2 weeks cycles) with 12 cycles of chemotherapy FLO (d 1, each cycle). After 12 cycles chemotherapy FLO will be discontinued and Pazopanib will be given alone until disease progression
Intervention Type
Drug
Intervention Name(s)
5-FU, Oxaliplatin, Leukovorin (FLO)
Intervention Description
Oxaliplatin 85 mg/m2 2h iv Leucovorin 200mg/m2 2h - iv FU 2600mg/m2 24h iv q2w for 12 cycles
Primary Outcome Measure Information:
Title
progression-free survival rate at 6 months
Time Frame
6 months after study entry
Secondary Outcome Measure Information:
Title
progression-free survival rate at 9 and 12 months
Time Frame
9 and 12 months after study entry
Title
median progression-free survival
Time Frame
48 months
Title
response rate
Time Frame
48 months
Title
duration of response
Time Frame
48 months
Title
toxicity
Description
number of patients with Adverse Events according to CTC-criteria
Time Frame
48 months
Title
tolerability
Description
number of patients having adverse events and require interruptions and dose reductions of chemotherapy
Time Frame
48 months
Title
overall survival
Time Frame
48 months
Title
time to treatment failure
Time Frame
48 months
Title
evaluation of the predictive and prognostic relevance of biomarkers
Description
collection of plasma samples at designated time points during treatment and measuring of angiogenic factors correlating with response rate and outcome
Time Frame
48 months

10. Eligibility

Sex
All
Minimum Age & Unit of Time
18 Years
Accepts Healthy Volunteers
No
Eligibility Criteria
Inclusion Criteria: Subjects must provide written informed consent prior to performance of study-specific procedures or assessments, and must be willing to comply with treatment and follow up. Age ≥ 18 years. Histologically confirmed adenocarcinoma of the stomach or the gastroesophageal junction with either metastatic or locally advanced disease, incurable by operation. Eastern Cooperative Oncology Group (ECOG) performance status of < or = 2 At least one unidimensional, measurable tumor parameter (according to RECIST 1.1) No preceding cytotoxic therapy (neoadjuvant or adjuvant treatment allowed if finished > 6 months before inclusion) Adequate organ system function. Men and women must perform an adequate contraception. Female subjects who are lactating should discontinue nursing prior to the first dose of study drug and should refrain from nursing throughout the treatment period and for 14 days following the last dose of study drug. Exclusion Criteria: Prior malignancy, except for curatively treated basal cell carcinoma of the skin and in situ carcinoma of the cervix. Overexpression of HER-2, defined as IHC 3+ or IHC 2+ and FISH positive. Known hypersensitivity against 5-FU, leukovorin, oxaliplatin or other platinum compounds or pazopanib. History or clinical evidence of central nervous system (CNS) metastases or leptomeningeal carcinomatosis. Clinically significant gastrointestinal abnormalities that may increase the risk for gastrointestinal bleeding or the absorption of investigational product Presence of uncontrolled infection. Corrected QT interval (QTc) > 480 ms using Bazett's formula. History of any one or more of the following cardiovascular conditions within the past 6 months: cardiac angioplasty or stenting, myocardial infarction, unstable angina, coronary artery bypass graft surgery, symptomatic peripheral vascular disease, NYHA III or IV congestive heart failure. Poorly controlled hypertension. History of cerebrovascular accident including transient ischemic attack (TIA), pulmonary embolism or untreated deep venous thrombosis (DVT) within the past 6 months. Prior major surgery or trauma within 28 days prior to first dose of study drug and/or presence of any non-healing wound, fracture, or ulcer. Evidence of active bleeding or bleeding diathesis. Known endobronchial lesions and/or lesions infiltrating major pulmonary vessels. Hemoptysis in excess of 2.5 ml within 8 weeks of first dose of study drug. Any serious and/or unstable pre-existing medical, psychiatric, or other condition that could interfere with subject's safety, provision of informed consent, or compliance to study procedures. Unable or unwilling to discontinue use of prohibited medications for at least 14 days or five half-lives of a drug (whichever is longer) prior to the first dose of study drug and for the duration of the study. Treatment with any of the following anti-cancer therapies: radiation therapy, surgery or tumor embolization within 14 days prior to the first dose of pazopanib OR chemotherapy, immunotherapy, biologic therapy, investigational therapy or hormonal therapy within 14 days or five half-lives of a drug (whichever is longer) prior to the first dose of pazopanib. A neoadjuvant or adjuvant chemotherapy must be finished at least 6 month before study entry. Any ongoing toxicity from prior anti-cancer therapy that is >Grade 1 and/or that is progressing in severity, except alopecia. Grade 3 or 4 diarrhea. Peripheral polyneuropathy > NCI Grade. Pregnant or lactating women. Men or women who are planning a pregnancy within the next six months. Participation in another clinical trial with investigational agents within the last 30 days prior to study start. The patient is a colleague or employed by the study investigator or by an involved institution including the sponsor of the study. Patient is detained in a psychiatric unit or imprisoned.
Overall Study Officials:
First Name & Middle Initial & Last Name & Degree
Peter Thuss-Patience, MD
Organizational Affiliation
Charite University medicine
Official's Role
Study Chair
Facility Information:
Facility Name
Charite University medicine
City
Berlin
ZIP/Postal Code
13353
Country
Germany

12. IPD Sharing Statement

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FLO +/- Pazopanib as First-line Treatment in Advanced Gastric Cancer

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