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Efficacy and Safety Study of LEP-ETU to Treat Metastatic Breast Cancer

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT01190982
Recruitment Status : Completed
First Posted : August 30, 2010
Last Update Posted : August 24, 2012
Information provided by (Responsible Party):
INSYS Therapeutics Inc

Brief Summary:

LEP-ETU is a novel, proprietary delivery system of paclitaxel developed by NeoPharm, Inc. Paclitaxel (currently marketed as Taxol) is an anti-microtubular network agent and is active in a broad spectrum of malignancies. Paclitaxel has poor solubility. In order to enhance the solubility, this drug is formulated with polyoxyethylated castor oil, which leading to infusion-related hypersensitivity reactions. The NeoPharm LEP-ETU is formulated with a mixture of well characterized, synthetic phospholipids and cholesterol. This design eliminates the need for the oil. The LEP-ETU formulation has improved safety profile that is necessary for administering higher doses than would commonly be used with Taxol. The clinical evidence obtained from the NeoPharm Phase I study shows LEP-ETU is better tolerated than Taxol, as indicated by a higher maximum-tolerated dose (MTD). The current Phase II study is designed to accomplish the following objectives:

  1. Assess the Overall Response Rate (ORR) of patients with metastatic breast cancer after administered over 90 minutes at the dose of 275 mg/m2 LEP-ETU
  2. To evaluate the Progression-Free Survival (PFS)
  3. To evaluate the safety of LEP-ETU at 275 mg/m2 level, in particular peripheral neuropathy
  4. To evaluate the Overall Survival (OS)

Condition or disease Intervention/treatment Phase
Breast Cancer Drug: LEP-ETU Phase 2

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 70 participants
Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: A Multicenter, Open-Label, Phase II Study of LEP-ETU for Efficacy and Safety in Patients With Metastatic Breast Cancer
Study Start Date : March 2008
Actual Primary Completion Date : December 2011
Actual Study Completion Date : December 2011

Resource links provided by the National Library of Medicine

MedlinePlus related topics: Breast Cancer

Arm Intervention/treatment
Experimental: LEP-ETU
All patient will have baseline to confirm disease status. The disease progression/response is assessed inaccordance to the RECIST guidelines
275 mg/m2, IV (in the vein) on day 1 of each 21 day cycle, 6 Cycles or until progression or unacceptable toxicity develops.
Other Name: Liposome Entrapped Paclitaxel Easy to Use

Primary Outcome Measures :
  1. Assessment of Overall Response Rate (ORR) following treatment of LEP-ETU at 275 mg/m2 dose [ Time Frame: 2 years ]
    The time frame is average. The patient will be treated once every 21 day cycle for 6 cycles. Disease status and tumor response/progression will be assessed based on the Response Evaluation Criteria in Solid Tumor (RECIST) after 2, 4 and 6 cycle. Patient will be followed for overall survival until death.

Secondary Outcome Measures :
  1. LEP-ETU 275mg/m2 Induce Progression-Free Survival Assessment [ Time Frame: 2 years ]
    The time frame is average. The patient will be treated once every 21 day cycle for 6 cycles. Disease progression will be assessed after 2, 4 and 6 cycle. Patient will be followed for overall Survival until death.

Information from the National Library of Medicine

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

Inclusion Criteria:

  1. Be 18 years or older and female.
  2. Have histologically or cytologically confirmed diagnosis of invasive adenocarcinoma originating in the breast.
  3. Have at least one target lesion per RECIST criteria
  4. If the patient has received adjuvant or neoadjuvant taxane therapy, the patient must not have relapsed with breast cancer within one year of completing this therapy.
  5. Have received prior chemotherapy in the adjuvant or metastatic setting with an anthracycline unless contraindicated.
  6. Have no other malignancy within the past five years, except non-melanoma skin cancer, cervical intraepithelial neoplasia (CIN), or in-situ cervical cancer (CIS).
  7. Have the following hematology levels at Baseline:

    • ANC greater than or equal to 1,500 x 106 cells/L;
    • Platelets greater than or equal to 100 x 109 cells/L;
    • Hgb greater than or equal to 90 g/L.
  8. Have the following chemistry levels at Baseline:

    • AST (SGOT), ALT (SGPT) less than or equal to 2.5 x ULN if no evidence of liver metastases;
    • AST (SGOT), ALT (SGPT) less than or equal to 5 x ULN if liver metastases are present;
    • Total bilirubin less than or equal to 26 micromol/L (1.5 mg/dL);
    • Creatinine less than or equal to 177 micromol/L (2 mg/dL); or 24-hour
    • Alkaline phosphatase less than or equal to 5 x ULN (unless bone metastasis is present in the absence of liver metastasis).
  9. Have a life expectancy of greater than or equal to 12 weeks.
  10. Have an ECOG Performance status of 0-2.
  11. Patients of child-bearing potential must agree to use acceptable contraceptive methods (e.g., double barrier) during treatment.
  12. Patient or legal representative must understand the investigational nature of this study and sign an Independent Ethics Committee -approved written informed consent form prior to receiving any study related procedure.

Exclusion Criteria:

  1. Patient has radiographic evidence of active (symptomatic, untreated) intraparenchymal brain metastases; any leptomeningeal metastases; or asymptomatic untreated intraparenchymal brain metastases requiring treatment.
  2. Patient has received more than 1 prior treatment with a non-taxane agent in the metastatic setting.
  3. The only evidence of metastasis is lytic or blastic bone metastases or pleural effusion or ascites.
  4. Patient has a known infection with human immunodeficiency virus or active viral hepatitis.
  5. Patient has active heart disease including myocardial infarction or congestive heart failure within the previous 6 months, symptomatic coronary artery disease, or uncontrolled arrhythmias.
  6. Any condition which in the Investigator's opinion deems the patient an unsuitable candidate to receive study drug (e.g., uncontrolled bleeding or bleeding diathesis).
  7. Any active infection requiring parenteral or oral antibiotics.
  8. The patient receives treatment with any:

    • Hormonal or other non-investigational agent therapy within 2 weeks prior to first dose of study drug;
    • Herceptin, mitomycin, or nitrosoureas therapy within 6 weeks prior to first dose;
    • Chemotherapy (except for palliative bisphosphonate therapy for bone pain which can be administered as clinically indicated) within 4 weeks prior to first dose study drug;
    • Investigational drug or immunotherapy within 4 weeks prior to first dose study drug;
    • Concurrent radiation therapy (except for palliative radiotherapy for
    • Radiation therapy within 4 weeks prior to first dose of study drug.
  9. Patient has pre-existing peripheral neuropathy of NCI-CTCAE Grade >1.
  10. Patient has received paclitaxel, docetaxel, or Abraxane because of metastatic carcinoma.
  11. Known hypersensitivity to paclitaxel, Cremophor EL, or liposomes.
  12. Pregnant or nursing female patients.
  13. Unwilling or unable to follow protocol requirements.

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT01190982

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Indo-American Cancer Institute and Research Center
Banjara Hills, Hyderabad, India
P.D. Hinduja Antional Hospital & Medical Research Center
Mahim, Mumbia, India
Jaslok Hospital and Research Center
Mumbai, India
Sponsors and Collaborators
INSYS Therapeutics Inc

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Responsible Party: INSYS Therapeutics Inc Identifier: NCT01190982     History of Changes
Other Study ID Numbers: LEP-ETU 202
First Posted: August 30, 2010    Key Record Dates
Last Update Posted: August 24, 2012
Last Verified: August 2012
Additional relevant MeSH terms:
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Breast Neoplasms
Neoplasms by Site
Breast Diseases
Skin Diseases