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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT00103194
Other study ID # NCI-2014-01158
Secondary ID NCI-2014-01158E5
Status Completed
Phase Phase 2
First received February 7, 2005
Last updated September 19, 2014
Start date September 2005
Est. completion date June 2013

Study information

Verified date June 2014
Source National Cancer Institute (NCI)
Contact n/a
Is FDA regulated No
Health authority United States: Food and Drug Administration
Study type Interventional

Clinical Trial Summary

This phase II trial studies how well lapatinib ditosylate works in treating patients with a rising prostate-specific antigen (PSA), a protein made by the prostate gland, indicating that prostate cancer has come back after previous treatment. Lapatinib ditosylate may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth and may delay or prevent the progression of prostate cancer.


Description:

PRIMARY OBJECTIVES:

I. To evaluate the percentage of patients with hormone sensitive prostate cancer who experience > 50% decline in serum PSA during treatment with GW572016 (lapatinib ditosylate).

SECONDARY OBJECTIVES:

I. To evaluate the duration of PSA decline. II. To characterize the change in PSA slope with GW572016. III. To characterize the safety and tolerability of GW572016 in this patient population.

IV. To estimate the time to progression (TTP) and progression-free survival at 2 years (from start of therapy).

V. To evaluate the correlation of epidermal growth factor receptor (EGFR) expression/signaling (from available prostate biopsy specimens or prostatectomy blocks) and its relationship to change in PSA in patients treated with GW572016.

OUTLINE:

Patients receive lapatinib ditosylate orally (PO) daily on days 1-28. Courses repeat every 28 days in the absence of disease progression or unacceptable toxicity.

After completion of study treatment, patients are followed up every 3 months if patient is < 2 years from study entry, every 6 months if patient is 2-5 years from study entry, or every year if patient is 5-10 years from study entry for 10 years.


Other known NCT identifiers
  • NCT02154373

Recruitment information / eligibility

Status Completed
Enrollment 49
Est. completion date June 2013
Est. primary completion date June 2013
Accepts healthy volunteers No
Gender Male
Age group 18 Years and older
Eligibility Inclusion Criteria:

- Histologically confirmed diagnosis of prostate cancer

- Previous treatment with definitive surgery or radiation therapy

- Prior salvage therapy (surgery, radiation, or other local ablative procedures) is allowed if the intent was for cure

- No evidence of metastatic disease on physical exam, computed tomography (CT) (magnetic resonance imaging [MRI]), and bone scan

- Prior neoadjuvant/adjuvant hormonal or chemotherapy and investigational agents are allowed if it was last used >= 1 year prior to enrollment (no prior vaccine/immunotherapy for prostate cancer will be allowed)

- No therapy modulating testosterone levels (such as luteinizing-hormone releasing-hormone agonists/antagonists and antiandrogens) is permitted within 1 year prior to enrollment; agents such as 5alpha-reductase inhibitors, ketoconazole, megestrol acetate, systemic steroids, or herbal supplements are not permitted at any time during the period that the PSA values are being collected

- Hormone-sensitive prostate cancer as evident by a serum total testosterone level > 150 ng/dL within 4 weeks prior to registration

- All patients must have evidence of biochemical progression as determined by a reference PSA value followed by 2 rising PSA values, each higher than the previous value, obtained at least 6 weeks apart; all of these PSA values must be obtained at the same reference lab, and all must be done within 6 months prior to enrollment

- The most recent of the PSA values must be greater than 0.4 ng/ml (after prostatectomy) or greater than 1.5 ng/ml (after radiation therapy) at time of enrollment; this measurement must be obtained within 6 months prior to enrollment

- PSA doubling time (PSADT) must be =< 365 days

- Eastern Cooperative Oncology Group (ECOG) Performance Status 0-1

- Leukocytes >= 3000/mm^3

- Granulocytes >= 1500/mm^3

- Platelet count >= 100,000/mm^3

- Serum creatinine within normal institutional limits or creatinine clearance >= 60 mL/min/1.73 m^2 for patients with creatinine levels above institutional normal

- Serum total bilirubin within normal institutional limits

- Serum alkaline phosphatase within normal institutional limits

- Serum glutamic oxaloacetic transaminase (SGOT) (aspartate aminotransferase [AST]) and serum glutamic pyruvate transaminase (SGPT) (alanine aminotransferase [ALT]) =< 2.5 x institutional upper limit of normal

- Cardiac ejection fraction within the institutional range of normal, as measured by echocardiogram or multi gated acquisition scan (MUGA) scan within 4 weeks prior to registration; note that baseline and on-treatment scans should be performed using the same modality and preferably at the same institution

- No unstable arrhythmias on electrocardiogram (ECG) are allowed (rate controlled, asymptomatic atrial fibrillation is allowed)

- No concomitant use of any medication classified as cytochrome P450 family 3, subfamily A, polypeptide 4 (CYP3A4) inducer or inhibitor; for patients previously treated with one of these prohibited medications, the prohibited agent needs to be discontinued, either 7 days, 14 days, or 6 months prior to the administration of the first dose of study medication

- Human immunodeficiency virus (HIV)-positive patients receiving combination anti-retroviral therapy are excluded from the study; appropriate studies will be undertaken in patients receiving combination anti-retroviral therapy when indicated

- Normal prothrombin time (PT)/international normalized ratio (INR) within 4 weeks prior to registration

- Able to swallow and retain oral medication

- Patients with gastrointestinal (GI) tract disease resulting in an inability to take oral medication, malabsorption syndrome, a requirement for intravenous (IV) alimentation, prior surgical procedures affecting absorption, uncontrolled inflammatory GI disease (e.g., Crohn's, ulcerative colitis) will not be eligible

- Sexually active males are strongly advised to use an accepted and effective method of contraception

- Patients may not be receiving any other investigational agents or receiving concurrent anticancer therapy

- No history of allergic reactions attributed to compounds of similar chemical or biologic composition to GW572016

- No uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements

- No other malignancies permitted within the past 5 years with the exception of non-melanoma skin cancer treated with curative intent

Study Design

Endpoint Classification: Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment


Intervention

Drug:
lapatinib ditosylate
Given PO
Other:
laboratory biomarker analysis
Correlative studies

Locations

Country Name City State
United States ECOG-ACRIN Cancer Research Group Philadelphia Pennsylvania

Sponsors (1)

Lead Sponsor Collaborator
National Cancer Institute (NCI)

Country where clinical trial is conducted

United States, 

References & Publications (1)

Liu G, Chen YH, Kolesar J, Huang W, Dipaola R, Pins M, Carducci M, Stein M, Bubley GJ, Wilding G. Eastern Cooperative Oncology Group Phase II Trial of lapatinib in men with biochemically relapsed, androgen dependent prostate cancer. Urol Oncol. 2013 Feb;3 — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Number of Patients With PSA Response, Defined as a 50% or Greater Decline in the Serum PSA Level PSA response is defined as either complete response (CR) or partial response (PR) observed at any time during the entire measurement time period.
CR: In patients treated with prior radical prostatectomy, a PSA < 0.2 ng/mL confirmed by a repeat PSA at least one month apart was considered a complete biochemical response. In patients treated with radiation therapy only, a PSA < 1 ng/mL on three separate occasions taken at least one month apart was considered a complete biochemical response.
PR: A reduction in PSA by > 50% from baseline, confirmed by repeat PSA 1 month later.
Assessed every cycle while on treatment; after being off-treatment, assessed every 3 months for 2 years, then every 6 months for 3 years, then annually for 5 years No
Secondary The Change in PSA Slope With GW572016 (Lapatinib) PSA was evaluated every cycle while on treatment. PSA test results show the level of PSA detected in the blood. These results were reported as nanograms of PSA per milliliter (ng/mL) of blood. PSA slope is the change in PSA level over time. A sharp rise in the PSA level raises the suspicion of cancer and may indicate a fast-growing cancer. Assessed every cycle while on treatment; after being off-treatment, assessed every 3 months for 2 years, then every 6 months for 3 years, then annually, for 5 years No
Secondary Progression-free Survival Rate at 2 Years Proportion of patients who are living with a disease that does not get worse at 2 years from registration based on Kaplan-Meier method. Assessed every cycle while on treatment; after being off-treatment, assessed every 3 months for 2 years, then every 6 months for 3 years, then annually for 5 years No
Secondary Relationship Between Progression-free Survival and EGFR Expression Levels The association between EGFR (epidermal growth factor receptor) expression levels and the length of time during and after treatment in which a patient is living with a disease that does not get worse. Assessed every cycle while on treatment; after being off-treatment, assessed every 3 months for 2 years, then every 6 months for 3 years, then annually for 5 years No
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