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NCT Number: NCT01130142

A Study Evaluating IPI-926 in Combination With Gemcitabine in Patients With Metastatic Pancreatic Cancer

Study IPI-926-03 is a Phase 1b/2 clinical trial to evaluate IPI 926 in combination with gemcitabine in patients with previously untreated metastatic pancreatic cancer. Phase 1b is designed as a dose escalation study. Once the maximum tolerated dose of IPI-926 in combination with gemcitabine is established in the Phase 1b portion of the study, the Phase 2 portion will commence.

Phase 2 is designed as a randomized, double-blind (investigator/patient), placebo-controlled study. There is no cross-over option for patients in either arm of the Phase 2 (i.e., there is no option for patients receiving placebo to cross-over to IPI-926).

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Key information

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 1 / Phase 2

Primary location

Cancer Care Manitoba, Winnipeg, Manitoba, Canada

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About this study

IPI 926 is an inhibitor of the Hedgehog Pathway. IPI-926 in combination with gemcitabine may improve therapeutic outcomes in patients with pancreatic cancer. Infinity is conducting a Phase 1b/2 clinical trial to evaluate the safety and efficacy of IPI-926 in combination with gemcitabine in patients with previously untreated metastatic pancreatic cancer.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • 18 years of age
  • Pathologically confirmed metastatic pancreatic adenocarcinoma
  • At least 1 radiologically evaluable metastatic lesion (RECIST 1.1).
  • ECOG 0 or 1
  • Life expectancy ≥3 months.
  • All women of child bearing potential, all sexually active male patients, and partners of patients must agree to use adequate methods of birth control
  • Ability to adhere to the study visit schedule
  • Voluntarily signed an informed consent form

Exclusion criteria

  • Islet cell, acinar cell carcinoma, non-adenocarcinoma, (i.e., lymphoma, sarcoma), adenocarcinoma originated from biliary tree or cystadenocarcinoma
  • Prior treatment with chemotherapy for pancreatic cancer.
  • Known central nervous system metastases
  • Inadequate hematologic function
  • Inadequate hepatic function
  • Inadequate renal function
  • External (percutaneous) biliary drain
  • History of stroke, unstable angina, myocardial infarction, or ventricular arrhythmia requiring medication or mechanical control within the last 6 months.
  • Venous thromboembolic event (e.g., pulmonary embolism or deep vein thrombosis) requiring anticoagulation not appropriately anticoagulated or have NCI CTCAE Grade 2 or greater bleeding episode in the 3 weeks prior to administration of IPI-926
  • Concurrent administration of the medications or foods known to inhibit CYP3A activity to a clinically relevant degree
  • Presence of active infection or systemic use of antibiotics within 72 hours of treatment
  • Significant co-morbid condition or disease which in the judgment of the Investigator would place the patient at undue risk or interfere with the study.
  • Known human immunodeficiency virus (HIV) positivity
  • Known hypersensitivity to gemcitabine, IPI-926, or their excipients
  • Pregnant or lactating women

Treatment and study plan

IPI-926 plus gemcitabine

Drug

Daily IPI-926 (oral) at 160 mg plus gemcitabine (infusion) at 1000 mg/m2 once weekly for 3 weeks of a 28 day cycle

Other names: IPI-926, Hedgehog pathway inhibitor, Hedgehog

Placebo plus gemcitabine

Drug

Daily Oral placebo/IPI-926 160 mg plus gemcitabine infusion at 1000 mg/m2 once every 3 weeks in a 28 day cycle

Other names: Gemcitabine, Hedgehog, Hedgehog pathway inhibitor, Gemzar

Primary outcomes

  1. Evaluation of safety profile including MTD

    Time frame: Once per week for 3 weeks of a 4 week cycle

    To determine the safety profile, including maximum tolerated dose, of IPI-926 plus gemcitabine in patients with previously untreated metastatic pancreatic cancer.

  2. Overall survival comparison

    Time frame: An average of 6 months

    • To compare the overall survival (OS) of patients with previously untreated metastatic pancreatic cancer treated with IPI-926 plus gemcitabine or placebo plus gemcitabine.
    • To evaluate the safety of IPI-926 plus gemcitabine or placebo plus gemcitabine.

Secondary outcomes

  1. Measurement of the maximum plasma concentration (Cmax) and area under the concentration versus time curve (AUC0-t) of IPI-926 and gemcitabine.

    Time frame: During the 3rd week of the first 4 week cycle

    • To evalutate pharmacokinetics (PK) of IPI-926, gemcitabine, and their relevant metabolites.
  2. Comparison of PFS, TTP and ORR

    Time frame: An average of 6 months

    • To compare the progression free survival (PFS), time to progression (TTP) and overall response rate (ORR) of patients treated with IPI-926 plus gemcitabine or placebo plus gemcitabine.

Sponsors and collaborators

Lead sponsor

Infinity Pharmaceuticals, Inc.

Industry

Registry information

Official study title

A Phase 1b/2 Study Evaluating IPI-926 in Combination With Gemcitabine in Patients With Metastatic Pancreatic Cancer

Important dates

Study start
2010
Primary completion
2012
Study completion
2012
First posted
May 25, 2010
Registry last updated
Mar 6, 2017

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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