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An Open-Label Study of Ruxolitinib Given With Chemotherapy in Patients With Advanced Solid Tumors

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
 
ClinicalTrials.gov Identifier: NCT01822756
Recruitment Status : Terminated (Dose escalation ended after Cohort B1, RUX 10 mg BID - GCSF in October 2014.)
First Posted : April 2, 2013
Results First Posted : April 13, 2017
Last Update Posted : February 12, 2018
Sponsor:
Information provided by (Responsible Party):
Incyte Corporation

Brief Summary:

This is a study of ruxolitinib in combination with gemcitabine with or without nab-paclitaxel administered to patients with advanced or metastatic pancreatic cancer. The study will be conducted in two parts.

Part 1 of the study will evaluate the safety, tolerability and pharmacokinetics (PK) of ruxolitinib when given as described to patients with advanced or metastatic pancreatic cancer. A goal of Part 1 will be to identify the maximally tolerated dose (MTD) of ruxolitinib when given with gemcitabine with or without nab-paclitaxel. This dose will be selected for use in Part 2 of the study.

Part 2 of the study will further evaluate the safety, tolerability, PK and preliminary clinical activity of ruxolitinib at the dose defined in Part 1 used in combination with gemcitabine with or without nab-paclitaxel in subjects with advanced or metastatic pancreatic cancer.

After multiple challenges of trial conduct, by mutual agreement between investigators and sponsor, dose escalation ended after Cohort B1, RUX 10 mg twice daily (BID) - GCSF in October 2014. Therefore, the MTD was not reached. No safety issues led to the decision to stop further enrollment.

Because of the early study termination, samples for pharmacokinetics and pharmacodynamics, and computed tomography for tumor burden were collected, but not analyzed; analysis data are not available. The data cutoff for this posting is 22 SEP 2015. As of the data cutoff, 1 subject was receiving treatment in the study and had been enrolled for 47 weeks. This subject had their end of treatment visit in AUG 2016. A comparison of this subjects' safety data after the cutoff date showed no clinically meaningful differences (eg, adverse events) compared with safety results that are summarized here.


Condition or disease Intervention/treatment Phase
Solid Tumors Pancreatic Cancer Drug: ruxolitinib Drug: gemcitabine Drug: nab-paclitaxel Drug: filgrastim Phase 1

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 42 participants
Allocation: Non-Randomized
Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: A Phase 1b Study of the Safety and Tolerability of Ruxolitinib in Combination With Gemcitabine With or Without Nab-Paclitaxel in Subjects With Advanced Solid Tumors
Study Start Date : April 2013
Actual Primary Completion Date : September 2015
Actual Study Completion Date : August 2016


Arm Intervention/treatment
Experimental: Regimen A -ruxolitinib, gemcitabine
Ruxolitinib (RUX) was self-administered by the subject orally in the morning and evening, approximately 12 hours apart, without regard to food. The morning dose of RUX was to be taken before the chemotherapy infusion, Gemcitabine IV, on days when they were given together (Days 1, 8, and 15 of each cycle).
Drug: ruxolitinib
Drug: gemcitabine
Other names: Gemzar®

Experimental: Regimen B-ruxolitinib, gemcitabine, nab-paclitaxel, filgrastim

Ruxolitinib (RUX) was self-administered by the subject orally in the morning and evening, approximately 12 hours apart, without regard to food.

Gemcitabine was provided as open-label, commercial product and was administered intravenously (IV) over 30 minutes on Days 1, 8, and 15 of each 28-day cycle. Reduced doses of gemcitabine administered IV over 30 minutes on Days 1, 8, and 15 of each 28-day cycle could also be explored.

nab-Paclitaxel, as open-label, commercial product, was administered IV over 30 minutes on Days 1, 8, and 15 of each 28-day cycle.

Drug: ruxolitinib
Drug: gemcitabine
Other names: Gemzar®

Drug: nab-paclitaxel
Other names: Abraxane®

Drug: filgrastim
Prophylactic GCSF support was filgrastim and was given in Cycle 1 on Days 2 to 5, 9 to 12, and 16 to 19, unless chemotherapy was held for toxicity, then prophylactic GCSF support was also held.
Other Name: Neupogen®




Primary Outcome Measures :
  1. Percentage of Participants With Adverse Events That Are Defined as Dose Limiting Toxicities (DLTs) [ Time Frame: Approximately 28 days ]
    Toxicities occurring during the first treatment cycle (Cycle 1) defined tolerability. Within each cohort, subjects were considered evaluable if they had received at least 40 of 56 planned doses of RUX during the 28-day surveillance period and received 2 of the 3 planned doses of chemotherapy (gemcitabine and/or gemcitabine and nab-paclitaxel) at the assigned dose level, or they had experienced a DLT.


Secondary Outcome Measures :
  1. Plasma Concentrations Will be Used to Estimate Peak Plasma Concentration (Cmax) and Area Under the Plasma Concentration Curve (AUC). [ Time Frame: Day 1 and Day 8 ]
  2. Plasma Concentration of Tumor Specific Biomarkers and Cytokines Before and During Treatment. [ Time Frame: Up to 6 months ]
  3. Clinical Activity as Measured by the Greatest Decrease in Tumor Burden Compared to Baseline. [ Time Frame: Approximately 6 months ]
  4. Percentage of Participants With a Best Response by RECIST Criteria [ Time Frame: every 2 cycles starting at Cycle 3 Day 1 up to approximately 4 to 6 months ]

    Best response was determined on the subject level using the highest overall response achieved post-baseline. In the case of stable disease (SD), measurements had to meet the SD criterion at least once after study entry at a minimum interval of 49 days. Subjects who failed to meet this criterion had best response of progressive disease (PD) if the next available RECIST evaluation after the initial scan indicated PD or not evaluable (NE) if no additional RECIST evaluations were available.

    Complete Response (CR) and Partial Response (PR) defined by the Response Evaluation Criteria in Solid Tumor (RECIST) criteria. CR: Disappearance of all target and nontarget lesions. PR: At least a 30% decrease in the sum of the longest diameter of target lesions, taking as reference the baseline sum longest diameter, or persistence of 1 or more nontarget lesion(s) or/and maintenance of tumor marker level above the normal limits.


  5. Percentage of Responders [ Time Frame: Randomization to clinical cutoff 22Sept2015 (approx 244 days) ]
    Duration of response was measured as the time from the first overall response contributing to an objective response to the first overall response of progressive disease (PD) occurring after the first overall response contributing to the objective response.

  6. Duration of Response [ Time Frame: Randomization to clinical cutoff 22Sept2015 (approx 244 days) ]
    Duration of response was the time from the first overall response contributing to an objective response to the first overall response of progressive disease (PD) occurring after the first overall response contributing to the objective response. Confidence intervals for median duration of response were calculated using the method of Brookmeyer and Crowley (1982).



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Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • Male or female, 18 years or older
  • Histologically or cytologically confirmed adenocarcinoma of the pancreas
  • Eastern Cooperative Oncology Group (ECOG) performance status ≤ 1
  • Requirements for prior therapy as outlined below:

    • Enrollment into Regimen A: received no more than 1 prior chemotherapy regimen for advanced or metastatic disease (not including neoadjuvant and/or adjuvant therapy)
    • Enrollment into Regimen B: received no prior chemotherapy for advanced or metastatic disease (not including neoadjuvant and/or adjuvant therapy)
  • Adequate renal, hepatic, and bone marrow function without blood product or hematopoietic growth factor support:
  • Able to swallow and retain oral medication

Exclusion Criteria:

  • Any known contraindications to the use of gemcitabine (for enrollment in Regimen A or B) or nab-paclitaxel (for enrollment into Regimen B).
  • Evidence of uncontrolled brain metastases or history of uncontrolled seizures.
  • Ongoing radiation therapy and/or radiation therapy administered within 28 days of enrollment. Subjects who have received radiation to the spine, pelvis, ribs, or femur should be discussed with the sponsor, as extensive radiation to marrow forming region may compromise a subject's ability to tolerate myelosuppressive chemotherapy. Subjects who have ongoing radiotherapy-related toxicities are not eligible.
  • Subjects who participated in any other study in which receipt of an investigational study drug occurred within 28 days or 5 half-lives (whichever is longer) prior to first dose.
  • Current or previous other malignancy within 2 years of study entry, except cured basal or squamous cell skin cancer, superficial bladder cancer, carcinoma in situ of the cervix, or other noninvasive malignancy without sponsor approval.
  • Inability to swallow food or any condition of the upper GI tract that precludes administration of oral medications.
  • Recent (≤ 3 months) history of partial or complete bowel obstruction.
  • Unwilling to be transfused with blood components.
  • Known history of Hepatitis B or C infection or HIV infection.
  • Presence of ≥ Grade 2 neuropathy

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01822756


Locations
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United States, Alabama
Birmingham, Alabama, United States
United States, Florida
Gainesville, Florida, United States
Sarasota, Florida, United States
United States, North Carolina
Durham, North Carolina, United States
United States, Tennessee
Nashville, Tennessee, United States
Sponsors and Collaborators
Incyte Corporation
Investigators
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Study Director: Fitzroy Dawkins, M.D. Incyte Corporation
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Responsible Party: Incyte Corporation
ClinicalTrials.gov Identifier: NCT01822756    
Other Study ID Numbers: INCB 18424-144
First Posted: April 2, 2013    Key Record Dates
Results First Posted: April 13, 2017
Last Update Posted: February 12, 2018
Last Verified: January 2018
Additional relevant MeSH terms:
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Gemcitabine
Paclitaxel
Antineoplastic Agents, Phytogenic
Antineoplastic Agents
Tubulin Modulators
Antimitotic Agents
Mitosis Modulators
Molecular Mechanisms of Pharmacological Action
Antimetabolites, Antineoplastic
Antimetabolites
Antiviral Agents
Anti-Infective Agents
Enzyme Inhibitors
Immunosuppressive Agents
Immunologic Factors
Physiological Effects of Drugs