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Study of Hsp90 Inhibitor, STA-9090 for Relapsed or Refractory Small Cell Lung Cancer

Information source: Dana-Farber Cancer Institute
ClinicalTrials.gov processed this data on August 23, 2015
Link to the current ClinicalTrials.gov record.

Condition(s) targeted: Small Cell Lung Cancer

Intervention: STA-9090 (Drug)

Phase: Phase 2

Status: Active, not recruiting

Sponsored by: Leena Gandhi, MD, PhD

Official(s) and/or principal investigator(s):
Leena Gandhi, MD, PhD, Principal Investigator, Affiliation: Dana-Farber Cancer Institute


STA-9090 blocks Heat Shock Protein-09 (Hsp90), which is thought to be involved in regulating apoptosis or cell death in small cell lung cancer. In this research study, the investigators will look to see if STA-9090 has a therapeutic effect on small cell lung cancer. The investigators will also study the safety of STA-9090 and whether measuring circulating tumor cells may help in assessing response to treatment.

Clinical Details

Official title: A Phase II Study of the Hsp90 Inhibitor, STA-9090, in Patients With Relapsed or Refractory Small Cell Lung Cancer

Study design: Allocation: Non-Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment

Primary outcome: Progression-free rate at 8 weeks in subjects with relapsed or refractory SCLC who have received Secondary outcome:

To determine response rate using radiologic assessment according to standard RECIST 1.1 criteria

To determine median progression free survival and overall survival

To evaluate safety and tolerability of of STA-9090 in patients with SCLC

Detailed description: Small cell lung cancer (SCLC) is a chemotherapy and radiotherapy sensitive tumor, but with very high rates of relapse and metastasis, resulting in a very poor outcome. Among limited-stage patients, the relapse rate is at least 80% and among extensive-stage patients, the relapse rate is 95-98%. The impetus to develop more effective therapies against novel targets in SCLC is therefore high. Hsp-90 inhibitors are a new class of drugs with important anti-malignant potential in a variety of tumor types because of the reliance of multiple oncoproteins on Hsp90 function. Although small cell neuroendocrine tumors generally carry many mutated oncoproteins, without clearly defined clients for Hsp90 mediating inhibitor effects in these cells, a recent study demonstrated that Hsp90 inhibition causes massive apoptosis by activating the intrinsic apoptotic pathway in a number of SCLC cell lines. SCLC is a particularly attractive target for apoptosis inducing drugs because of high growth rates and evidence of molecular alterations affecting apoptotic mechanisms. STA-9090 is a novel, small-molecule inhibitor of Hsp90. Unlike earlier generations of Hsp90 inhibitors, STA-9090 has been shown to be a potent inducer of apoptosis in a variety of cell lines and has anti-tumor activity in multiple types of human xenografts. As was seen with other Hsp90 inhibitors, STA-9090 also induces apoptosis in a number of SCLC cell lines (T. Shimamura and G. Shapiro, personal communication). Based on the anti-tumor potential seen pre-clinically with Hsp90 inhibition, the potent effects of STA-9090 seen pre-clinically as compared with other inhibitors in the same class, as well as early data suggesting safety and tolerability of this drug in the Phase I setting, we are evaluating the single-agent activity of STA-9090 in a Phase II trial of patients with relapsed or refractory small cell lung cancer.


Minimum age: 18 Years. Maximum age: N/A. Gender(s): Both.


Inclusion Criteria:

- Histologically confirmed diagnosis of small cell lung cancer and confirmed

progressive disease by radiographic study


- Subjects with brain metastases will be allowed if they have been treated with surgery

and/or radiation therapy > 21 days prior, are asymptomatic, and are stable for at least 1 week off steroids

- Must have measurable disease

- >/= 18 years of age

- Life expectancy of greater than 12 weeks

- EGOG performance status 0 or 1

- Lab values must be within limits outlined in the protocol

- Not pregnant or breastfeeding

- Women of childbearing potential and men must agree to use adequate contraception

(hormonal or barrier method of birth control; abstinence) prior to study entry and for the duration of study participation

- Willingness and ability to comply with scheduled visits, treatment plans, laboratory

tests, and other study procedures.

- Ability to understand and the willingness to sign a written informed consent

document. Exclusion Criteria:

- Chemotherapy or radiotherapy within 3 weeks or within 5 half-lives of previous


- History of severe allergic or hypersensitivity reactions to taxanes.

- Subjects who have not recovered from adverse events or toxicities due to agents

administered more than 4 weeks earlier to a grade 1 or less

- Not receiving any other study agents

- History of or current coronary artery disease, myocardial infarction, angina

pectoris, angioplasty or coronary bypass surgery.

- Baseline QTc > 470 msec or previous history of QT prolongation while taking other


- Ventricular ejection fraction of < 55%.

- History or current uncontrolled dysrhythmias, or requirement for antiarrhythmic

medications, or Grade 2 or greater left bundle branch block.

- ECG with clinically significant ventricular arrhythmias or ischemia

- Major surgery within 4 weeks of starting treatment

- Poor venous access necessitating use of indwelling catheter for IV therapy

- 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

- History of another malignancy unless disease-free for 3 years and deemed to be at low

risk for recurrence

Locations and Contacts

Beth Israel Deaconess Medical Center, Boston, Massachusetts 02115, United States

Dana Farber Cancer Institute, Boston, Massachusetts 02114, United States

Massacusetts General Hospital, Boston, Massachusetts 02114, United States

Additional Information

Starting date: July 2010
Last updated: February 22, 2013

Page last updated: August 23, 2015

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