- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01967888
Efficacy and Safety of Reparixin in Pancreatic Islet Auto-transplantation
A Phase 2/3, Multicenter, Randomized, Double-blind, Placebo-controlled, Parallel Assignment Study to Assess the Efficacy and Safety of Reparixin in Pancreatic Islet Auto-transplantation
The study is a phase 2/3, multicenter, double-blind, parallel assignment study. It involves 100 adult recipients of an intra-hepatic pancreatic Islet Auto-Transplantation (IAT).
The objective of this clinical trial is to assess whether reparixin leads to improved transplant outcome as measured by the proportion of insulin-independent patients following IAT. The safety of reparixin in the specific clinical setting will be also evaluated.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
In contrast to allo-transplantation in type 1 diabetes patients, where immunological mechanisms involving allo- and auto-antibodies affect long-term graft function, outcome in IAT (Islet Auto-Transplantation) is independent from immunological processes and does not require immunosuppression management. On the other hand, early inflammatory events intrinsic to the intra-portal islet infusion have been demonstrated to impact islet engraftment. Among possible mechanisms, PMNs have been found to be the predominant cell types infiltrating the liver in a syngeneic model of islet transplantation in mice.
Data obtained in experimental models of islet transplantation in mice demonstrate a clear effect of reparixin in improving graft survival and function. Protection from the loss and/or deterioration of transplanted islets was evident regardless of the immunological mechanisms involved in islet damage, suggesting that the ability of reparixin to modulate early inflammatory responses readily impact graft outcome.
Thus, the use of reparixin may emerge as a potential useful medication in the control of non specific inflammatory events surrounding the early phases of IAT.
The goal of this study is to reach a total of 100 adult patients who are randomized and receive IAT after total or completion pancreatectomy. Patients will be randomly (1:1) assigned to receive either reparixin [continuous i.v. infusion for 7 days (168hrs)], or matched placebo (control group),starting approximately 12hrs before islet infusion. The two groups will be balanced within each centre. All patients who are randomized and receive the Investigational Product (either reparixin or placebo) will be included in the ITT analysis. Patients will be in the ITT analysis whether or not they receive IAT, because exclusions cannot be made for events occurring after randomization that could be influenced by the randomized assignment.
Recruitment will be competitive among the study sites, until the planned number of patients is enrolled. Competitive recruitment has been chosen to increase the speed of recruitment and to account for any difference in transplant rate among study sites. Each centre will enroll patients as rapidly as possible, up to a maximum of 40 patients (as per the randomization list). A maximum of 48 patients is allowed for the site of the Primary Investigator.
Each patient will be involved in the study for 7 day hospital stay during pancreatectomy followed by islet transplantation, for all required measurements up to hospital discharge and for 2 post-transplant visits scheduled @ day 75+14 and 365+14 after the transplant.
Study Type
Enrollment (Actual)
Phase
- Phase 2
- Phase 3
Contacts and Locations
Study Locations
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Alberta
-
Edmonton, Alberta, Canada, T6G 2C8
- University of Alberta, Clinical Islet Transplant Program
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-
-
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California
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San Francisco, California, United States, 94143
- University of California. Department of Surgery, Division of Transplantation
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Illinois
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Chicago, Illinois, United States, 60637
- The University of Chicago Medical Center
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Minnesota
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Minneapolis, Minnesota, United States, 55455
- Schulze Diabetes Institute University of Minnesota Medical School
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New Hampshire
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Lebanon, New Hampshire, United States, 03756
- Dartmouth-Hitchcock Medical Center
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Ohio
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Cincinnati, Ohio, United States, 45219
- The University of Cincinnati Medical Center
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Pennsylvania
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Pittsburgh, Pennsylvania, United States, 15213
- Thomas E. Starzl Transplantation Institute University of Pittsburgh Medical Center
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South Carolina
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Charleston, South Carolina, United States, 29425
- Medical University of South Carolina
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Texas
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Dallas, Texas, United States, 75246
- Baylor University Medical Center
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Patients eligible for an IAT following total (or completion) pancreatectomy.
- Ages > 18 years.
- Patients willing and able to comply with the protocol procedures for the duration of the study, including scheduled follow-up visits and examinations.
- Patients who have given written informed consent, prior to any study-related procedure not part of normal medical care, with the understanding that consent may be withdrawn by the patient at any time without prejudice to their future medical care.
Exclusion Criteria:
- Recipients of a previous IAT (if completion pancreatectomy).
- Patients undergoing total pancreatectomy due to either pancreatic cancer or pancreatic benign diseases other than chronic pancreatitis, including insulinomas, etc.
- Patients with inadequate renal reserve as per calculated creatinine clearance (CLcr) < 60 mL/min according to the Cockcroft-Gault formula (1976).
- Patients with hepatic dysfunction as defined by increased ALT/AST > 3 x upper limit of normal (ULN) or increased total bilirubin above the upper limit at local laboratory). Patients with Gilbert's syndrome (elevated unconjugated bilirubin levels in the absence of any evidence of hepatic or biliary tract disease) are not excluded.
- Patients with a preoperative International Normalized Ratio (INR) > 1.5 or any known coagulopathy.
Hypersensitivity to:
- ibuprofen or to more than one non steroidal anti-inflammatory drug (NSAID).
- medications belonging to the class of sulfonamides, such as sulfamethazine, sulfamethoxazole, sulfasalazine, nimesulide or celecoxib.
- Concurrent sepsis (as per positive blood culture(s) and/or fever associated with other signs of systemic sepsis syndrome).
- Treatment with systemic steroids in the 2 weeks prior to enrolment (except for the use of <5mg prednisone daily or equivalent dose of hydrocortisone, for physiological replacement only) or with any immune modulators in the 4 weeks prior to enrolment.
- Patients with pre-existing diabetes or evidence of impaired β-cells function, based on pre-operative fasting blood glucose >115 mg/dL and/or a HbA1c > 6.5%, or requiring treatment with any anti-diabetic medication (e.g. insulin, metformin, etc) within the 2 weeks prior to enrolment.
- Use of any investigational agent in the 4 weeks prior to enrolment, including any anti-cytokine/chemokine agents.
- Pregnant or breast-feeding women; unwillingness to use effective contraceptive measures (females and males). (NB: pregnancy should be avoided in patients or partners during the first month after completing the treatment with the Investigational Product; no other specific warnings are described, considering the treatment course of the Investigational Product, its PK profile, and the lack of significant adverse effects on mating performance and fertility in animal studies).
- Patients with past or current history of alcohol abuse based on clinical history and/or past treatment for alcohol addiction.
- Patients with evidence of pre-operative portal hypertension as per clinical history and abdominal/liver imaging by ultrasound techniques.
Sites will comply with any additional or more restrictive exclusion criteria locally accepted, as per centre practice.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Placebo Comparator: Placebo
Physiologic solution
|
Physiologic solution administered at 0.25 mL/kg/hour
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Experimental: Reparixin
Solution for intravenous (IV) infusion with active compound
|
Solution for intravenous (IV) infusion; 2.772 mg/kg body weight/hour administered at 0.25 mL/kg/hour
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Percentage of Patients Who Were Insulin Independent After Islet Autotransplantation (IAT) at Day 365±14 Days After Transplant.
Time Frame: day 365±14 after the transplant
|
Insulin-independence is defined as freedom from the need to take exogenous insulin for 14 or more consecutive days, with adequate glycemic control, as defined by:
|
day 365±14 after the transplant
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Area Under the Curve (AUC) for the Serum C-peptide Level at Day 75±14 After the Transplant
Time Frame: day 75±14 after the transplant
|
AUC for the serum C-peptide level is calculated during the first 4 hours of an MMTT, normalized by the number of Islet Equivalent (IEQ)/kg
|
day 75±14 after the transplant
|
Area Under the Curve (AUC) for the Serum C-peptide Level at Day 365±14 After the Transplant
Time Frame: day 365±14 after the transplant
|
AUC for the serum C-peptide level is calculated during the first 4 hours of a mixed meal tolerance test (MMTT), normalized by the number of Islet Equivalent (IEQ)/kg
|
day 365±14 after the transplant
|
Average Daily Insulin Requirements at Day 75±14 After the Transplant
Time Frame: day 75±14 after the transplant
|
Daily insulin is reported as IU/kg and intake averaged over the previous week.
|
day 75±14 after the transplant
|
Average Daily Insulin Requirements at Day 365±14 After the Transplant
Time Frame: day 365±14 after the transplant
|
Daily insulin is reported as IU/kg and intake averaged over the previous week.
|
day 365±14 after the transplant
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Time Course From Basal to 240 Min of Glucose Derived From the Mixed Meal Tolerance Test (MMTT) at Day 75±14 After the Transplant
Time Frame: day 75±14 after the transplant
|
Data of this outcome are reported as "model estimates over all timepoints". This parameter was assessed at the following timepoints on the following numbers of patients for Reparixin and placebo, respectively:
|
day 75±14 after the transplant
|
Time Course From Basal to 240 Min of Glucose Derived From the Mixed Meal Tolerance Test (MMTT) at Day 365±14 After the Transplant
Time Frame: day 365±14 after the transplant
|
Data are reported as "model estimates over all timepoints" This parameters was assessed at the following timepoints on the following numbers of patients for Reparixin and placebo, respectively:
|
day 365±14 after the transplant
|
Time Course From Basal to 240 Min of C-peptide Derived From the Mixed Meal Tolerance Test (MMTT) at Day 75±14 After the Transplant
Time Frame: day 75±14 after the transplant
|
Data are reported as "model estimates over all timepoints". This parameters was assessed at the following timepoints on the following numbers of patients for Reparixin and placebo, respectively:
|
day 75±14 after the transplant
|
Time Course From Basal to 240 Min of C-peptide Derived From the Mixed Meal Tolerance Test (MMTT) at Day 365±14 After the Transplant
Time Frame: day 365±14 after the transplant
|
Data are reported as "model estimates over all timepoints". This parameters was assessed at the following timepoints on the following numbers of patients for Reparixin and placebo, respectively:
|
day 365±14 after the transplant
|
Time Course From Basal to 240 Min of Insulin Derived From the Mixed Meal Tolerance Test (MMTT) at Day 75±14 After the Transplant
Time Frame: day 75±14 after the transplant
|
Data are reported as "model estimates over all timepoints". This parameter was assessed at the following timepoints on the following numbers of patients for Reparixin and placebo, respectively:
|
day 75±14 after the transplant
|
Time Course From Basal to 240 Min of Insulin Derived From the Mixed Meal Tolerance Test (MMTT) at Day 365±14 After the Transplant
Time Frame: day 365±14 after the transplant
|
Data are reported as "model estimates over all timepoints". This parameter was assessed at the following timepoints on the following numbers of patients for Reparixin and placebo, respectively:
|
day 365±14 after the transplant
|
β-cell Function at Day 75±14 After the Transplant
Time Frame: day 75±14 after the transplant
|
This variable is assessed by β-score (assessment of β-cell function after islet transplantation). The total score is calculated on a 0-8 scoring system (higher is a better outcome) that gives 0-2 points each for:
|
day 75±14 after the transplant
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β-cell Function at Day 365±14 After the Transplant
Time Frame: day 365±14 after the transplant
|
This variable is assessed by β-score (assessment of β-cell function after islet transplantation). The total score is calculated on a 0-8 scoring system (higher is a better outcome) that gives 0-2 points each for glucose, HbA1c, stimulated C-peptide and insulin requirement subscales. The higher the total score the better the outcome.
|
day 365±14 after the transplant
|
Proportion of Patients With an HbA1c <6.5% at Day 365±14 After the Transplant
Time Frame: day 365±14 after the transplant
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Percentage of patients with a glycated haemoglobin (HbA1c) <6.5% at day 365±14 after the transplant.
|
day 365±14 after the transplant
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Cumulative Number of Severe Hypoglycemic Events From Day 75±14 to Day 365±14 After the Transplant
Time Frame: from day 75±14 to day 365±14 after the transplant
|
A severe hypoglycemic event is defined as an event with one of the following symptoms: "memory loss, confusion, uncontrollable behavior, irrational behavior, unusual difficulty in awakening, suspected seizure, seizure, loss of consciousness, or visual symptoms", in which the subject was unable to treat him/herself and which was associated with either a blood glucose level <54mg/dL or prompt recovery after oral carbohydrate, i.v.
glucose, or glucagon administration.
|
from day 75±14 to day 365±14 after the transplant
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Proportion of Patients With an HbA1c <6.5% at Day 365±14 After the Transplant AND Free of Severe Hypoglycemic Events From Day 75±14 to Day 365±14 After the Transplant Inclusive
Time Frame: from day 75±14 to day 365±14 after the transplant
|
Percentage of patients with an HbA1c <6.5% at day 365±14 after the transplant AND free of severe hypoglycemic events from day 75±14 to day 365±14 after the transplant inclusive.A severe hypoglycemic event is defined as an event with one of the following symptoms: "memory loss, confusion, uncontrollable behavior, irrational behavior, unusual difficulty in awakening, suspected seizure, seizure, loss of consciousness, or visual symptoms", in which the subject was unable to treat him/herself and which was associated with either a blood glucose level <54mg/dL or prompt recovery after oral carbohydrate, i.v.
glucose, or glucagon administration.
|
from day 75±14 to day 365±14 after the transplant
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Incidence and Severity of Adverse Events and Serious Adverse Events Throughout the Study
Time Frame: up to day 365±14 after the transplant
|
The percentages of patients with any treatment emergent adverse events (TEAE, serious and non serious) and with serious TEAE by severity are presented. Patients with multiple events within a particular system organ class or preferred term were counted only under the category of their most severe event within that system organ class or preferred term. A serious AE was defined as any untoward medical occurrence that at any dose:
|
up to day 365±14 after the transplant
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Proportion of Patients Falling Into One of the Following Malnutrition Risk Levels (Poor Prognosis, Significant Risk, Increased Risk, Normal) According to Pre-albumin Level at Day 75±14 After the Transplant
Time Frame: day 75±14 after the transplant
|
Malnutrition risk levels are defined as:
|
day 75±14 after the transplant
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Proportion of Patients Falling Into One of the Following Malnutrition Risk Levels (Poor Prognosis, Significant Risk, Increased Risk, Normal) According to Pre-albumin Level at Day 365±14 After the Transplant
Time Frame: day 365±14 after the transplant
|
Malnutrition risk levels are defined as:
|
day 365±14 after the transplant
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Proportion of Patients by Steatorrhea Severity at Day 75±14 After the Transplant
Time Frame: day 75±14 after the transplant
|
Levels of steatorrhea severity (evaluated in the 4 weeks prior to day 75±14 and 365±14), are defined as:
|
day 75±14 after the transplant
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Proportion of Patients by Steatorrhea Severity at Day 365±14 After the Transplant
Time Frame: day 365±14 after the transplant
|
Levels of steatorrhea severity (evaluated in the 4 weeks prior to day 75±14 and 365±14), are defined as:
|
day 365±14 after the transplant
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Cumulative Number of Episodes of Documented Asymptomatic Hypoglycemia From Day 75±14 to Day 365±14 After the Transplant
Time Frame: from day 75±14 to day 365±14 after the transplant
|
The following definition applies: - Asymptomatic hypoglycemia = An event not accompanied by typical symptoms of hypoglycemia but with a measured plasma glucose concentration <70mg/dL. |
from day 75±14 to day 365±14 after the transplant
|
Cumulative Number of Episodes of Documented Symptomatic Hypoglycemia From Day 75±14 to Day 365±14 After the Transplant
Time Frame: from day 75±14 to day 365±14 after the transplant
|
The following definition applies: - Documented symptomatic hypoglycemia = An event during which typical symptoms of hypoglycemia are accompanied by a measured plasma glucose concentration <70mg/dL. |
from day 75±14 to day 365±14 after the transplant
|
Cumulative Number of Diabetic Ketoacidosis-related Events
Time Frame: from day 75±14 to day 365±14 after the transplant
|
A diabetic ketoacidosis event is defined as the presence of:
|
from day 75±14 to day 365±14 after the transplant
|
Peak C-peptide at Day 75 After the Transplant
Time Frame: Day 75±14 after the transplant
|
Peak C-peptide (C-P) is a known predictor of Type 1 Diabetes.
|
Day 75±14 after the transplant
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Peak C-peptide at Day 365 After the Transplant
Time Frame: Day 365±14 after the transplant
|
Peak C-peptide (C-P) is a known predictor of Type 1 Diabetes.
|
Day 365±14 after the transplant
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Time-to-peak C-peptide at Day 75 After the Transplant
Time Frame: day 75±14 and day 365±14 after the transplant
|
The time-to-peak value in minutes was computed as the time of the peak value (HH:MM on a 24-hour clock) minus the end time of the mixed meal (HH:MM on a 24-hour clock) as recorded on the mixed meal tolerance test Case Report Form.
|
day 75±14 and day 365±14 after the transplant
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Time-to-peak C-peptide at Day 365 After the Transplant
Time Frame: Day 365±14 after the transplant
|
The time to peak value in minutes will be computed as the time of the peak value (HH:MM on a 24-hour clock) minus the end time of the mixed meal (HH:MM on a 24-hour clock) as recorded on the mixed meal tolerance test CRF.
|
Day 365±14 after the transplant
|
Change From Baseline in Post-transplant Alanine Aminotransferase (ALT)
Time Frame: Baseline, Days 2, 3, 7, 75 ±14 after the transplant
|
Data are reported as "model estimates over all timepoints". This safety parameter was assessed at the following timepoints on the following numbers of patients for Reparixin and placebo, respectively:
|
Baseline, Days 2, 3, 7, 75 ±14 after the transplant
|
Change From Baseline in Post-transplant Aspartate Aminotransferase (AST)
Time Frame: Baseline, Days 2, 3, 7, 75±14 after the transplant
|
Data are reported as "model estimates over all timepoints". This safety parameter was assessed at the following timepoints on the following numbers of patients for Reparixin and placebo, respectively:
|
Baseline, Days 2, 3, 7, 75±14 after the transplant
|
Number of Treatment Emergent Adverse Events Related to Investigational Product
Time Frame: Throughout the study From Day -1 to hospital discharge
|
Treatment emergent adverse events - possibly, probably and highly probably - related to investigational product are called "Adverse reactions" (ADR). An adverse reaction is defined as any untoward medical occurrence in a patient or clinical investigation patient, which has a causal relationship with the administered medicinal product. |
Throughout the study From Day -1 to hospital discharge
|
Number of Serious Treatment Emergent Adverse Events Related to Investigational Product
Time Frame: Throughout the study From Day -1 to hospital discharge for all adverse events, and from then to day 365 post-transplantation only for serious adverse events
|
Serious Treatment emergent adverse events - possibly, probably and highly probably - related to investigational product are called serious "Adverse reactions". A serious adverse reaction is defined as any untoward medical occurrence with a causal relationship with the administered medicinal product, that at any dose:
|
Throughout the study From Day -1 to hospital discharge for all adverse events, and from then to day 365 post-transplantation only for serious adverse events
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Melena Bellin, MD, Schulze Diabetes Institute; University of Minnesota Amplatz Children's Hospital
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimated)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- REP0112
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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