- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01077908
Cytomegalovirus - Immunoprophylactic Adoptive Cellular Therapy Study (CMV-IMPACT)
A Phase III Randomised Study to Investigate the Use of Adoptive Cellular Therapy (ACT) in Combination With Conventional Antiviral Drug Therapy for the Treatment of CMV Reactivation Episodes in Patients Following Allogeneic Haematopoietic Stem Cell Transplant
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
As with other herpes viruses, CMV infection is thought to result most frequently from reactivation of latent virus. Transmission of the virus can also occur from donor marrow infusion or from allogeneic red cell, leukocyte or platelet transfusions. In an allogeneic haematopoietic stem cell (bone marrow) transplant patient who is CMV seropositive or receiving a transplant from a donor who is CMV seropositive, CMV frequently reactivates and disease resulting from the progression of infection is a major cause of infectious morbidity and mortality. CMV infection is a consequence both of the immunosuppression these patients receive and may also reflect delayed immune reconstitution in these patients following transplant.
Existing evidence suggests that adoptive cellular therapy can be an effective approach for treating viral reactivation following allo HSCT, with a minimal risk of inducing GVHD. The major advantage to the patient is likely to be avoidance of extended periods of therapy with antiviral medications that have significant associated morbidities, and sometimes require inpatient care. A proof of efficacy in the sibling donor setting would strengthen the case for extending the therapy to the unrelated donor setting, where both potential risks and benefits are greater. From a pharmacoeconomic viewpoint, the avoidance of the costs associated with these treatment episodes could offset the costs of adoptive cellular therapy. A number of issues remain unresolved. These include the relative contributions of transferred CD4+ and CD8+ T cell populations (which may have direct relevance to the best approach for selection), the issue of whether adoptive cellular therapy improves outcomes in a randomised setting, and equally importantly, the issue of whether such immunotherapies can be delivered outside of the setting of a few academic institutions on a multicentre basis.
These considerations emphasise the importance of undertaking a randomised phase III study of prophylactic adoptive cellular therapy for CMV following T cell depleted allogeneic HSCT from a sibling donor (CMV~IMPACT). There are multiple methods for T cell depletion available, and differences between them will likely have an effect on immune reconstitution. In order to avoid this confounding influence the study will be restricted to patients receiving alemtuzumab-containing conditioning protocols.
In summary, this study is a multicentre, prospective, controlled, open-label 3 arm randomized study comparing 'best-available' standard anti-viral monitoring and therapy alone, with 'best available'anti-viral monitoring and therapy plus prophylactic adoptive cellular therapy (ACT) with cells selected by either the Gamma Catch or Multimer Selection techniques. Patients will be randomised to:
A. Standard best available antiviral drug therapy alone B. Immunoprophylactic (Day 27) ACT prepared using Gamma Catch Selection in combination with standard best available antiviral drug therapy C. Immunoprophylactic (Day 27) ACT prepared using Multimer Selection in combination with standard best available antiviral drug therapy
The study will test the hypothesis that CMV-specific ACT based upon a prescribed T-cell dose/kg recipient body weight, can augment the impaired CMV immune function post-transplant and reduce the number of recurrent reactivations in patients following a primary reactivation event (and thereby reduce the requirement for antiviral drug therapy) without causing an increase in GVHD.
Individual groups will be compared for duration of antiviral therapy and number of reactivation episodes, plus GVHD incidence. Similar analyses will be performed for adoptive cellular therapy versus no therapy (i.e. (B+C) versus A)
Study Type
Enrollment (Actual)
Phase
- Phase 3
Contacts and Locations
Study Locations
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-
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Birmingham, United Kingdom
- Queen Elizabeth Hospital
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Bristol, United Kingdom, BS2 8BJ
- Bristol Royal Hospital for Children
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Cambridge, United Kingdom, CB2 0QQ
- Addenbrookes Hospital
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Glasgow, United Kingdom
- Beatson West of Scotland Cancer Centre
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Liverpool, United Kingdom
- Royal Liverpool Hospital
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London, United Kingdom
- Kings College Hospital
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London, United Kingdom, WC1E 6BT
- University College Hospital
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London, United Kingdom
- Royal Free Hospital
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Manchester, United Kingdom
- Manchester Royal Infirmary
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Manchester, United Kingdom
- Christie Hospital
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Nottingham, United Kingdom
- City Hospital
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Southampton, United Kingdom
- Southampton General Hospital
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West Midlands
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Birmingham, West Midlands, United Kingdom
- Birmingham Heartlands Hospital
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West Yorkshire
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Leeds, West Yorkshire, United Kingdom, LS9 7TF
- St James's University Hospital
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Suitable participants will be selected from patients already scheduled to undergo a T cell depleted sibling donor HSCT. The criteria will include:
- Age 18 years or older
- Negative markers of Infectious Disease screen
- Recipient of allogeneic HSCT (that incorporates T cell depletion with alemtuzumab) who is CMV seropositive with a CMV seropositive sibling donor
- Informed consent from both donor and patient and to be assessed prior to CMV-specific T cell infusion (confirmed prior to product release):
- Donor engraftment (neutrophils > 0.5x109/l)
Exclusion Criteria:
- Pregnant or lactating women
- Co-existing medical problems that would place the patient at significant risk of death due to GVHD or its sequelae
- HIV infection and to be assessed prior to CMV-specific T cell infusion (confirmed prior to product release):
- Active acute GVHD > Grade I
- Concurrent use of systemic corticosteroids
Organ dysfunction as measured by
- creatinine > 200 uM/l
- bilirubin > 50 uM/l
- ALT > 3x upper limit of normal
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: ACT plus standard therapy
Adoptive Cellular Therapy (ACT) prepared using Multimer or Gamma Catch Selection in combination with standard best available antiviral drug therapy
|
CMV-specific T-cells, single infusion at 27 days post-HSCT
|
Active Comparator: Best available antiviral drug therapy
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|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
CMV reactivations
Time Frame: Six months
|
Six months
|
Collaborators and Investigators
Sponsor
Investigators
- Study Chair: Karl S Peggs, University College London Hospitals
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
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
- CM-2008-01
- 08/H0720/15 (Other Identifier: REC)
- 74928896 (Registry Identifier: ISRCTN)
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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