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A Study of BMS-833923 With Cisplatin and Capecitabine in Inoperable, Metastatic Gastric, Gastroesophageal, or Esophageal Adenocarcinomas

Phase 1b Multiple Ascending Dose Study of BMS-833923 (XL139) Administered in Combination With Cisplatin and Capecitabine as First-Line Therapy in Patients With Inoperable, Metastatic Gastric, Gastroesophageal, or Esophageal Adenocarcinomas

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00909402
Enrollment
39
Registered
2009-05-28
Start date
2009-11-30
Completion date
2012-11-30
Last updated
2013-06-21

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Esophageal Neoplasms, Stomach Neoplasms

Brief summary

The purpose of this study is to determine the maximum tolerated dose (MTD) of BMS-833923 administered in combination with Cisplatin and Capecitabine as first-line therapy in subjects with inoperable metastatic gastric, gastroesophageal or esophageal adenocarcinomas.

Interventions

Capsule, Oral, Starting dose 30 mg, Once daily, continuous until discontinuation from study

DRUGCisplatin

Vial, intravenous (IV), 80 mg/m² IV, Once every 21 days, 1 day per cycle until discontinuation from study

DRUGCapecitabine

Tablets, Oral, 1000 mg/m², twice a day (BID), 14 days per cycle, until discontinuation from study

Sponsors

Exelixis
CollaboratorINDUSTRY
Bristol-Myers Squibb
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

For additional information, please contact the BMS oncology clinical trial information service at 855-216-0126 or email MyCancerStudyConnect@emergingmed.com. Please visit www.BMSStudyConnect.com for more information on clinical trial participation. Inclusion Criteria: * Esophageal, gastric, or gastroesophageal adenocarcinoma that has spread and cannot be treated with surgery. The diagnosis must be confirmed by a trained pathologist. * Prior radiation therapy is allowed in certain circumstances - discuss with your doctor. * Individuals who have had surgery may be eligible after recovering from the procedure. * Individuals who have received chemotherapy for the treatment of their disease within the past 6 months are not eligible. Chemotherapy given more than 6 months ago is permitted. * Individuals with spread of their cancer to the brain are permitted in certain circumstances - talk with your doctor.

Exclusion criteria

* Significant heart disease. * Women pregnant or breastfeeding. * Women able to bear children who are unwilling or unable to use an acceptable method to avoid pregnancy. * Uncontrolled medical condition or active infection * Inability to swallow pills. * Inability to undergo a blood draw, in which a needle is used to obtain blood from a vein in your arm. * Individuals receiving another drug not approved by the Food and Drug Administration (FDA) or similar agency in another country. * Prisoners or individuals currently receiving treatment for a mental or physical illness as an inpatient in a hospital. * Individuals who have experienced pancreatitis, an inflammation of the pancreas, in the past, or who have had a computed axial tomography (CT) scan showing pancreatitis.

Design outcomes

Primary

MeasureTime frameDescription
Use National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE) to establish the MTD, Dose Limiting Toxicity (DLT(s)) and safety profile of BMS-833923 administered in combination with Cisplatin and CapecitabineAt a minimum on days 1, 8, 15 and 35 of cycle 1, days 1 & 14 for cycle 2 and every 21 days thereafterMTD - maximum tolerated dose

Secondary

MeasureTime frameDescription
The pharmacokinetic parameters that will be assessed include: Tmax (Time of maximum observed plasma concentration)During cycles 1, 2 & 3
To evaluate the safety of single-agent BMS-833923, by assessing the evaluation of number, character and duration of adverse event (AE)/serious adverse event (SAE)sAt a minimum on days 1, 8, 15 and 35 of cycle 1, days 1 & 14 for cycle 2 and every 21 days thereafter
Pharmacodynamic effects of BMS-833923 will be measured in tumor biopsy samples taken prior to and during single-agent and combination treatment by evaluation of protein or mRNA of biomarkers of Hedgehog (HH) pathway activation, such as GLI-1During cycle 1Glioma-associated oncogene (GLI) mRNA - messenger Ribonucleic acid
The pharmacokinetic parameters that will be assessed include: Cmax (Maximum observed plasma concentration)During cycles 1, 2 & 3
The pharmacokinetic parameters that will be assessed include: AUC(TAU) (Area under the concentration-time curve in one dosing interval)During cycles 1, 2 & 3

Countries

Canada, France, Netherlands, United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026