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Phase II Trial of LBH589 in Refractory Colorectal Cancer

Phase 2
18 Years
Not Enrolling
Colorectal Cancer

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Trial Information

Phase II Trial of LBH589 in Refractory Colorectal Cancer

Inclusion Criteria:

- Male or female patients aged ≥ 18 years old

- Patients with measurable metastatic colorectal cancer

- Refractory to at least 2 standard chemotherapy/biologic regimens to include 5FU,
oxaliplatin, irinotecan, bevacizumab, cetuximab or combinations thereof

- ECOG Performance Status of ≤ 2

- Ability to provide written informed consent obtained prior to participation in the
study and any related procedures being performed

- Laboratory values as follows:

- Neutrophil count of >1500/mm3

- Platelet count of > 100,000/mm3L

- Hemoglobin ≥ 9 g/dL

- AST/SGOT and ALT/SGPT ≤ 2.5 x upper limit of normal (ULN) or ≤ 5.0 x ULN if the
transaminase elevation is due to disease involvement

- Serum bilirubin ≤ 1.5 x ULN

- Serum creatinine ≤ 1.5 x ULN or 24-hour creatinine clearance ≥ 50 ml/min

- Total serum calcium (corrected for serum albumin) or ionized calcium ≥ LLN

- Serum potassium ≥ LLN

- Serum sodium ≥ LLN

- Serum albumin ≥ LLN or 3g/dl

- Patients with any elevated Alkaline Phosphatase due to bone metastasis can be

- Baseline MUGA or ECHO must demonstrate LVEF ≥ the lower limit of the institutional

- TSH and free T4 within normal limits (patients may be on thyroid hormone replacement)

- Women of childbearing potential (WOCBP) must have a negative serum pregnancy test
within 7 days of the first administration of study treatment. and must be willing to
use two methods of contraception one of them being a barrier method during the study
and for 3 months after last study drug administration

- Radiographically bi-dimensionally measurable disease that has not been previously
irradiated. If the patient has had previous radiation to the marker lesion(s), there
must be evidence of progression since the radiation

- Life expectancy must be greater than 12 weeks

Exclusion Criteria:

- Prior HDAC, DAC, HSP90 inhibitors or valproic acid for the treatment of cancer

- Patients who will need valproic acid for any medical condition during the study or
within 5 days prior to first LBH589 treatment

- Impaired cardiac function including any one of the following:

- Screening ECG with a QTc > 450 msec confirmed by central laboratory prior to
enrollment to the study

- Patients with congenital long QT syndrome

- History of sustained ventricular tachycardia

- Any history of ventricular fibrillation or torsades de pointes

- Bradycardia defined as heart rate < 50 beats per minute. Patients with a
pacemaker and heart rate ≥ 50 beats per minute are eligible.

- Patients with a myocardial infarction or unstable angina within 6 months of
study entry

- Congestive heart failure (NY Heart Association class III or IV)

- Right bundle branch block and left anterior hemiblock (bifasicular block)

- Uncontrolled hypertension

- Concomitant use of drugs with a risk of causing torsades de pointes

- Concomitant use of CYP3A4 inhibitors

- Patients with unresolved diarrhea > CTCAE grade 1

- Impairment of gastrointestinal (GI) function or GI disease that may significantly
alter the absorption of oral LBH589

- Other concurrent severe and/or uncontrolled medical conditions

- Patients who have received chemotherapy, any investigational drug or undergone major
surgery < 4 weeks prior to starting study drug or who have not recovered from side
effects of such therapy.

- Concomitant use of any anti-cancer therapy or radiation therapy

- Women who are pregnant or breast feeding or women of childbearing potential (WOCBP)
not willing to use a double barrier method of contraception during the study and 3
months after the end of treatment. One of these methods of contraception must be a
barrier method. WOCBP are defined as sexually mature women who have not undergone a
hysterectomy or who have not been naturally postmenopausal for at least 12
consecutive months (i.e., who has had menses any time in the preceding 12 consecutive
months). Women of childbearing potential (WOCBP) must have a negative serum
pregnancy test within 7 days of the first administration of oral LBH589

- Male patients whose sexual partners are WOCBP not using a double method of
contraception during the study and 3 months after the end of treatment. One of these
methods must be a condom

- Patients with a history of another primary malignancy within 5 years other than
curatively treated CIS of the cervix, or basal or squamous cell carcinoma of the

- Patients with known positivity for human immunodeficiency virus (HIV) ) or hepatitis
C; baseline testing for HIV and hepatitis C is not required

- Patients with any significant history of non-compliance to medical regimens or with
inability to grant a reliable informed consent

Type of Study:


Study Design:

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

Outcome Measure:

To evaluate the effect of LBH589 on overall survival (OS) in patients with colorectal cancer

Outcome Time Frame:

18 months

Safety Issue:


Principal Investigator

Philip Gold, MD

Investigator Role:

Principal Investigator

Investigator Affiliation:

Swedish Medical Center


United States: Food and Drug Administration

Study ID:




Start Date:

June 2008

Completion Date:

December 2011

Related Keywords:

  • Colorectal Cancer
  • LBH589
  • Metastatic Colorectal Cancer
  • Refractory Colorectal Cancer
  • Colorectal Neoplasms



Swedish Medical CenterSeattle, Washington  98122-4307