- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02464878
Multicenter Trial of the Effect of AAT on Islet Transplant Engraftment and Durability After Renal Transplant
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Locations
-
-
Massachusetts
-
Boston, Massachusetts, United States, 02114
- Massachusetts General Hospital
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Male and female subjects age 18 to 70 years.
- Subjects who are able to provide written informed consent and to comply with the procedures of the study protocol.
Subjects must have one of the following payment mechanisms in place:
- Medicare,
- A third-party insurer who agrees, via pre-authorization, to pay for participation in the study, or
- Another mechanism of payment (self-pay, hospital, university, donations, etc.) for participation in the study.
- Clinical history compatible with T1D with disease onset < 40 years of age and insulin-dependence for ≥ 5 years at the time of enrollment.
- Absent stimulated c-peptide (< 0.3 ng/mL) in response to a MMTT [Boost® 6 mL/kg body weight (BW) to a maximum of 360 mL; another product with equivalent caloric and nutrient content may be substituted for Boost®] measured at 60 and 90 min after start of consumption.
- Subjects who are ≥ 3 months post-renal transplant who are taking appropriate calcineurin inhibitor (CNI) based maintenance immunosuppression ([tacrolimus alone or in conjunction with sirolimus, mycophenolate mofetil, myfortic, or azathioprine; or cyclosporine in conjunction with sirolimus, mycophenolate mofetil, or myfortic] ± Prednisone ≤ 10 mg/day).
- Stable renal function as defined by a creatinine of no more than one third greater than the average creatinine determination performed in the 3 previous months prior to islet transplantation, until rejection, obstruction or infection is ruled out.
Subjects who meet one of the options in the following criterion are eligible for transplantation:
- Reduced awareness of hypoglycemia manifested by a Clarke score of 4 or more measured upon study enrollment and at least one episode of severe hypoglycemia in the 12 months prior to study enrollment.
- A subject must have a reduced awareness of hypoglycemia manifested by a Clarke score of 4 or more and at least 1 episode of severe hypoglycemia;
- Any subject not meeting the hypoglycemia option must have an HbA1c > 7.5%.
Exclusion Criteria:
- Weight more than 100 kg or body mass index (BMI) > 33 kg/m2.
- Insulin requirement of >1.0 U/kg/day or, > 60 U/day total, or <15 U/day.
- Other (non-kidney) organ transplants except prior failed pancreatic graft where graft failure is attributed to thrombosis within the first 4 weeks or to other technical reasons that require graft pancreatectomy; with the graft pancreatectomy occurring more than 6 months ago.
- Untreated or unstable proliferative diabetic retinopathy.
- Blood Pressure: SBP > 160 mmHg or DBP >100 mmHg despite treatment with antihypertensive agents.
Calculated GFR of ≤ 40 mL/min/1.73 m2 using the subject's measured serum creatinine and the Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) equation1. Strict vegetarians (vegans) will be excluded only if their estimated GFR is ≤ 35 mL/min/1.73 m2.
7. Proteinuria (albumin/creatinine ratio or ACr > 300mg/g) of new onset since kidney transplantation.
Calculated panel-reactive anti-HLA antibodies > 50%. Subjects with calculated panel reactive anti-HLA antibodies ≤ 50% will be excluded if any of the following are detected:
- Positive cross-match,
- Islet donor-directed anti-HLA antibodies detected by Luminex Single Antigen/specificity bead assay including weakly reactive antibodies that would not be detected by a flow cross-match, or
- Antibodies to the renal donor (i.e. presumed de novo).
- For female subjects: Positive pregnancy test, presently breast-feeding, or unwillingness to use effective contraceptive measures for the duration of the study and 4 months after discontinuation. For male subjects: intent to procreate during the duration of the study or within 4 months after discontinuation or unwillingness to use effective measures of contraception. Oral contraceptives, Norplant®, Depo-Provera®, and barrier devices with spermicide are acceptable contraceptive methods; condoms used alone are not acceptable.
- Presence or history of active infection including hepatitis B, hepatitis C, HIV, or tuberculosis (TB). Subjects with laboratory evidence of active infection are excluded even in the absence of clinical evidence of active infection.
- Negative screen for Epstein-Barr virus (EBV) by IgG determination at time of screening or previous kidney transplant.
- Invasive aspergillus, histoplasmosis, and coccidoidomycosis infection within the last year.
- Any history of malignancy except for completely resected squamous or basal cell carcinoma of the skin.
- Known active alcohol or substance abuse.
- Any coagulopathy or medical condition requiring long-term anticoagulant therapy (e.g. warfarin) after islet transplantation (low-dose aspirin treatment [325 mg PO] is allowed) or subjects with international normalized ratio (INR) > 1.5. The use of Plavix is allowed only in conjunction with mini- laparotomy procedure at the time of islet transplant.
Severe co-existing cardiac disease, characterized by any one of these conditions:
- Recent MI (within past 6 months);
- Evidence of ischemia on functional cardiac exam within the last year;
- Left ventricular ejection fraction < 30%; or
- Valvular disease requiring replacement with prosthetic valve.
- Persistent serum glutamic-oxaloacetic transaminase (SGOT [AST]), serum glutamate pyruvate transaminase (SGPT [ALT],) alkaline phosphatase or total bilirubin, with values > 1.5 times normal upper limits will exclude a subject.
- Active infections (except mild skin and nail fungal infections).
- Acute or chronic pancreatitis.
- Active peptic ulcer disease, symptomatic gallstones, or portal hypertension.
- Use of any investigational agents within 4 weeks of enrollment.
- Administration of live attenuated vaccine(s) within 2 months of enrollment.
- Any medical condition that, in the opinion of the investigator, will interfere with the safe participation in the trial. (Cancer screenings should be performed per current American Cancer Society guidelines).
- Positive screen for BK virus by polymerase chain reaction (PCR) performed at time of screening.
- A kidney transplant patient with type 1 diabetes who has an HbA1c < 7.5 and no history of severe hypoglycemia.
- Selective or severe IgA deficiency (levels < 5-7 mg/dL)
- AAT deficiency (defined as < 1.0ng/mg AAT)
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Other: Main study treatment
|
Patients will receive three times a week AAT infusions in the peri-transplant period for three weeks.
Other Names:
Patients will receive a total of 5 doses between Day -2 and Day +2
Other Names:
Basiliximab will be used for subsequent transplants.
Etanercept will be given on the day of transplant and on Days 3, 7, and 10 post-transplant.
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
The Proportion of GLASSIA Versus Control CIT06 Subjects Achieving Insulin Independence After First Infusion of Single Donor Islets.
Time Frame: Day 75
|
Insulin Independence examined 75 days after 1st infusion; subject considered to be insulin independent if they are able to titrate off insulin therapy for <1 week AND all of the following are met:
|
Day 75
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
The Proportion of GLASSIA Treated Versus Control CIT06 Subjects Who Are Insulin Independent After 1 or More Islet Infusions
Time Frame: 1 year after the first islet infusion, 1 year after the last islet infusion, 2 years after the first islet infusion, 2 years after the last islet infusion
|
Subject considered to be insulin independent if they are able to titrate off insulin therapy for <1 week AND all of the following are met:
|
1 year after the first islet infusion, 1 year after the last islet infusion, 2 years after the first islet infusion, 2 years after the last islet infusion
|
The Proportion of GLASSIA Treated Versus CIT06 Control Subjects With Both an HbA1c ≤ 6.5% AND an Absence of Severe Hypoglycemic Events
Time Frame: From Day 28 to Day 365 after the first islet transplant, From Day 28 to Day 730 after the first islet transplant.
|
Number of subjects with both an HbA1c </= 6.5% and no severe hypoglycemic events at specified timepoints; data utilized for measure were HbA1c levels and number of severe hypoglycemic events.
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From Day 28 to Day 365 after the first islet transplant, From Day 28 to Day 730 after the first islet transplant.
|
The Proportion of GLASSIA Treated Versus Control Subjects With Both an HbA1c < 7.0% AND Free of Severe Hypoglycemic Events
Time Frame: From Day 28 to Day 365 after the first islet transplant, From Day 28 to Day 730 after the first islet transplant.
|
Subjects with an HbA1c <7.0% and free of severe hypoglycemic events at specified timepoints; data utilized were HbA1c levels and number/absence of severe hypoglycemic events
|
From Day 28 to Day 365 after the first islet transplant, From Day 28 to Day 730 after the first islet transplant.
|
The Proportion of GLASSIA Treated Versus Control CIT06 Subjects A Reduction in HbA1c of 1 Point AND an Absence of Severe Hypoglycemia
Time Frame: From Day 28 to Day 365 after the first islet transplant, From Day 28 to Day 730 after the first islet transplant.
|
Subjects with a reduction in HbA1c of 1 point and no severe hypoglycemia at specific timepoints.
Data utilized were HbA1c numbers at specified timepoints and absence of any severe hypoglycemic events
|
From Day 28 to Day 365 after the first islet transplant, From Day 28 to Day 730 after the first islet transplant.
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The Change in Clarke Score From Baseline in GLASSIA Treated Versus Control CIT06 Subjects
Time Frame: 1 year and 2 years after the first islet transplant
|
Clarke Score is a 7 question patient report of hypoglycemia awareness.
Answers provide a rating of either A (aware) or R (reduced).
Four or more R ratings suggest impaired hypoglycaemia awareness; < or equal to 2 = normal awareness, 3=borderline.
A higher Clarke Score indicates reduced awarness.
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1 year and 2 years after the first islet transplant
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The Proportion of Subjects Receiving a Second Islet Transplant Comparing GLASSIA Treated Versus Control CIT06 Subjects
Time Frame: 1 year and 2 years following the first and last islet transplant(s)
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Subjects requiring a 2nd islet infusion at specified timepoints; data utilized were the number of patients who were not successful at gaining and maintaining insulin independence following the 1st infusion and required a 2nd infusion/transplant of islets.
|
1 year and 2 years following the first and last islet transplant(s)
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The Proportion of Subjects Receiving a Third Islet Transplant Comparing GLASSIA Treated Versus Control CIT06 Subjects
Time Frame: 1 year and 2 years following the first and last islet transplant(s)
|
Number of subjects requiring a 3rd islet infusion.
Data utilized were the number of patients require a 3rd transplant/infusion of islets due to continued requirement of insulin during study participation.
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1 year and 2 years following the first and last islet transplant(s)
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Cardiovascular Events [Death, Cerebrovascular Accident (CVA), Myocardial Infarction (MI)] and Changes in Atherogenic Profile for GLASSIA Treated Versus Control Subjects
Time Frame: 1 year and 2 years following the first and last islet transplant(s)
|
Subjects experience of cardiovascular events and changes in atherogenic profile were examined for the timepoints listed below.
Data utilized were baseline lipid labs (triglycerides, total cholesterol, HDL, LDL, and Non-HDL Cholesterol) and lipid labs taken at specified timepoints.
An improvement would be an overall improvement of the lipid profile (e.g.
reduction in non-HDL cholesterol/overall cholesterol, decrease in LDL, increase in HDL, etc.).
Due to the COVID-19 pandemic and increased risk faced by transplant/immunosuppressed individuals, some lipid labs were not collected and data has been indicated as NA due to reduction in sample collection/prioritizing safety labs for subjects.
|
1 year and 2 years following the first and last islet transplant(s)
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Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Assessment of the effect of AAT on serum cytokines released in the early post transplant period (1 month) comparing GLASSIA versus control subjects from CIT06
Time Frame: 1 month
|
Exploratory Mechanistic Endpoints
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1 month
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Assessment of the effect of AAT on the inflammatory gene transcriptional profile of PBL
Time Frame: day 14 and 75
|
Exploratory Mechanistic Endpoints
|
day 14 and 75
|
Correlation of reaching target AAT levels with metabolic outcomes
Time Frame: 1 Year
|
Exploratory Mechanistic Endpoints
|
1 Year
|
Histological survival of subcutaneous islets in subcutaneous auxiliary graft and correlation with overall graft survival
Time Frame: 1 Year
|
Exploratory Mechanistic Endpoints
|
1 Year
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Jim Markmann, M.D. Ph.D., Massachusetts General 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
- Glucose Metabolism Disorders
- Metabolic Diseases
- Immune System Diseases
- Autoimmune Diseases
- Endocrine System Diseases
- Diabetes Mellitus
- Diabetes Mellitus, Type 1
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Peripheral Nervous System Agents
- Enzyme Inhibitors
- Analgesics
- Sensory System Agents
- Anti-Inflammatory Agents, Non-Steroidal
- Analgesics, Non-Narcotic
- Anti-Inflammatory Agents
- Antirheumatic Agents
- Immunosuppressive Agents
- Immunologic Factors
- Gastrointestinal Agents
- Protease Inhibitors
- Serine Proteinase Inhibitors
- Trypsin Inhibitors
- Etanercept
- Alpha 1-Antitrypsin
- Basiliximab
- Thymoglobulin
- Antilymphocyte Serum
- Protein C Inhibitor
Other Study ID Numbers
- Islet after Kidney - AAT
Drug and device information, study documents
Studies a U.S. FDA-regulated drug 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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