- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04154826
Recombinant Interleukin-7 (CYT107) to Treat Patients With Refractory Nontuberculous Mycobacterial Lung Disease (IMPULSE-7)
Recombinant Interleukin-7 (CYT107) to Treat Patients With Refractory Nontuberculous Mycobacterial Lung Disease. Two Doses Phase II, Single Center, Open-label Trial
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
A single center, randomized, phase II, single blinded, two-dose level trial aimed at testing anti-mycobacterial activity of CYT107 in patients with non-tuberculous mycobacteria lung disease (NTMLD).
A total of 12 evaluable NTMLD patients from Washington University School of Medicine in St. Louis will be recruited and randomized 6:6 to study drug treatment at either 10μg/kg/wk or 20μg/kg/wk for two 4-week treatment periods.
The randomization will be stratified based on the presence of pulmonary cavitaries. A maximum of three patients with pulmonary cavitary disease will be allocated to each group.
A potential study extension is envisioned in the United Kingdom, in which case the protocol would be amended to increase the targeted enrollment and number of participating centers.
The aim of this trial is detection of an immuno-therapeutic response in patients with refractory NTMLD and to determine the potential rate of response and tolerance of CYT107 using two dose levels that indicated good immune response in other pathologies such as HIV, HCV, sepsis and various cancers.
For patients with refractory NTMLD, a control group is not beneficial as the standard of care treatment results are already known and documented.
All serious adverse events (SAEs) will be reported within 24 hours of notification
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Contact
- Name: Michel MORRE, DVM
- Phone Number: +33603357060
- Email: mmorre@revimmune.com
Study Contact Backup
- Name: Andrej SPEC, MD
- Phone Number: 314.747.1725
- Email: andrejspec@wustl.edu
Study Locations
-
-
Missouri
-
Saint Louis, Missouri, United States, 63110
- Washington University
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Males and females aged ≥18 years but <85 years who have given written informed consent to participate
- Diagnosis of pulmonary nontuberculous mycobacterial lung disease in accordance with the 2007 Infectious DiseasesSociety of America (IDSA) and AmericanThoracic Society (ATS) criteria with evidence of nodular bronchiectatic and/or cavitary disease by chest CT
History of chronic, refractory infection with either Mycobacterium avium complex, defined as:
- Persistently positive mycobacterial sputum cultures after 6 or more months of guideline-based treatment (GBT), with at least one positive sputum culture within 2 months prior to the baseline visit and
- Currently on a stable guideline-based therapy that has been unchanged for the past 28 days. (GBT defined as a multi-drug regimen containing a macrolide and at least one other antimicrobial with activity against NTM.)
- Ability to produce at least 3 mL of sputum or be willing to undergo an induction to produce at least 3 mL of sputum for clinical evaluation
- This study permits the re-enrollment of a participant who may have been discontinued as a pre-treatment screen failure prior to study drug treatment.
Age and reproductive status:
- Women of childbearing potential (WOCBP) must have a negative serum or urine pregnancy test (minimum sensitivity 25 IU/L or equivalent units of HCG) within 24 hours prior to the start of study treatment
- Women must not be breastfeeding
- Women of childbearing potential (WOCBP) must agree to follow instructions for method(s) of contraception for the duration of treatment with CYT107 plus 5 half-lives of CYT107 (the terminal half-life of CYT107 is up to 2 days) plus 30 days (duration of ovulatory cycle) for a total of 2 months post-treatment completion.
- Males who are sexually active with WOCBP must agree to follow instructions for method(s) of contraception for the duration of treatment with CYT107 plus 5 half-lives of CYT107 plus 90 days (duration of sperm turnover) for a total of 7 months post-treatment completion. In addition, male participants must be willing to refrain from sperm donation during this time.
- Azoospermic males are exempt from contraceptive requirements.
- WOCBP who are continuously not heterosexually active are also exempt from contraceptive requirements but still must undergo pregnancy testing as described in this section.
Exclusion Criteria:
- Cancer with current chemotherapy or radiotherapy (receipt of chemotherapy or radiotherapy for cancer within the last 6 months). All patients with current, or history of, hematologic malignancy (including, but not limited to, acute lymphoblastic leukemia (ALL), acute myeloid leukemia (AML), chronic lymphocytic leukemia (CLL), chronic myeloid leukemia (CML), etc.) or lymphoma will be excluded, regardless of receipt of recent chemotherapy
- Active pulmonary tuberculosis requiring concomitant treatment at the time of screening
- Patients with history or current evidence of autoimmune disease including for example: myasthenia gravis, Guillain Barre syndrome, systemic lupus erythematosus, multiple sclerosis, scleroderma, ulcerative colitis, Crohn's disease, autoimmune hepatitis, Wegener's etc.
- Patients who have received solid organ transplant or bone marrow transplant
- Known history of infection with HIV or HIV positive test at screening
- Known history of chronic HBV (hepatitis B viral) infection and not on treatment with HBV nucleoside analogues prior to the current hospitalization or HBV DNA > 100 IU/mL
- Known history of infection with HCV (hepatitis C virus) and currently undergoing treatment for HCV infections or has detectable HCV RNA
- History of splenectomy
- Any hematologic disease associated with hypersplenism, such as thalassemia, hereditary spherocytosis, Gaucher's Disease, and autoimmune hemolytic anemia
- Significant liver or renal dysfunction as evidence by at least 5 times greater than the upper limits of normal baseline ALT (alanine aminotransferase), AST (aspartate aminotransferase), alkaline phosphatase, or total bilirubin.
- Evidence of biliary cirrhosis with portal hypertension
- Participation in another investigational interventional study testing a drug or a medical device concurrently or within the last 28 days prior to study entry
- Patients receiving immunosuppressive drugs or concurrent immunotherapy or biologic agents; including: growth factors, cytokines and interleukins other than the study medication: Interleukin-2, Interferons α, β and γ, GM-CSF, G-CSF (colony stimulating factors), HIV vaccines, biologics including TNF alpha inhibitors (i.e. abatacept, adalimumab, anakinra, certolizumab, etanercept, golimumab, infliximab, ixekizumab, natalizumab, rituximab, secukinumab, tocilizumab, ustekinumab, vedolizumab, basiliximab and daclizumab), calcineurin inhibitors, mammalian target of rapamycin inhibitors, inosine monophosphate dehydrogenase inhibitors, Janus kinase inhibitors, hydroxyurea, immunoglobulins, adoptive cell therapy
- Patients receiving corticosteroids at a dose greater than 300mg hydrocortisone/ day or 25 mgs of prednisone per day or equivalent for more than 3 weeks
- Prior exposure to exogenous IL 7
- Inability to comply with the study treatment, study visits, and study procedures as assessed by the study PI or delegate
- Subjects with hemoptysis of ≥60 mL in a 24 hour period within 4 weeks prior to screening
- Addition of any new antimicrobial drug with known activity against Mycobacterium avium complex infection (i.e. amikacin, azithromycin, bedaquiline, clarithromycin, ciprofloxacin, clofazimine, ethambutol, eravacycline, levofloxacin, linezolid, moxifloxacin, omadacycline, rifampin, rifabutin, tedizolid, tigecycline tobramycin) within 28 days prior to Study Day 1
- Daily continuous oxygen supplementation >4 L/min
- Patients unlikely to survive a minimum of 30 days defined by (Systolic blood pressure) SBP<90 or hypoxia <80% SpO2 (oxygen saturation) -
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: low dose
CYT107 10µg/kg/week for 4 weeks (wk1-4) followed by no treatment during 4 weeks (wk 5-8) CYT107 10µg/kg/week for 4 weeks (wk9-12)
|
weekly intra-muscular (IM) administration
Other Names:
|
Experimental: high dose
CYT107 20µg/kg/week for 4 weeks (wk1-4) followed by no treatment during 4 weeks (wk 5-8) CYT107 20µg/kg/week for 4 weeks (wk9-12)
|
weekly intra-muscular (IM) administration
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Determination of the proportion of subjects with Acid Fast Bacilli (AFB) sputum culture conversion to negative at day 180.
Time Frame: six months
|
Percentage of participants with 3 consecutive monthly, negative Acid Fast Bacilli sputum cultures at any time within first 6 months
|
six months
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Efficacy by kinetic of AFB sputum culture conversion to negative.
Time Frame: one year
|
number of patients with negative sputum conversion measured at days 28, 56, 84, 112, 140, 180, 240, 300, and 360.
|
one year
|
Improvement of functional capacity response assessed by the median change in the 6-minute walk distance compared to baseline.
Time Frame: one year
|
Increase in 6-minute walking distance measured at days 84, 180 and 360 over baseline distance
|
one year
|
Improvement of functional capacity response assessed by the median change in oxygen saturation compared to baseline.
Time Frame: one year
|
Increase in oxygen saturation measured at days 84, 180 and 360 over baseline value
|
one year
|
Pulmonary function response measured by the median improvement in the Forced expiratory volume during the first second (FEV1).
Time Frame: one year
|
ratio of Forced Expiratory Volume during the first second (FEV1) measured at days 180 and 360 over the same measure at baseline.
|
one year
|
Radiological response on chest CT compared to baseline
Time Frame: one year
|
Surface area of lung involved by clinical chest computerized tomography (CT) scans at days 180 and 360 compared to baseline
|
one year
|
Improvement of Health-related Quality of Life (HRQoL)
Time Frame: one year
|
Patient-Reported Outcomes Measurement Information System (PROMIS-29 ) measured at days 56, 84, 180, 300 and 360 and compared to baseline. (The mean healthy population score is 50. The score increases with worsening medical condition.) |
one year
|
Number of hospital readmissions
Time Frame: one year
|
Cumulated Number of hospital (Intensive care unit or emergency room ) visits at days 56, 84, 180, 300 and 360
|
one year
|
C max (maximal plasma concentration) pharmacokinetic of CYT107 in this population
Time Frame: One day
|
At Day 1 and Day 78 measure of CYT107 Cmax
|
One day
|
Plasma concentration area under curve (AUC) pharmacokinetic of CYT107 in this population
Time Frame: One day
|
At Day 1 and Day 78 measure of CYT107 AUC
|
One day
|
Clinical tolerance of CYT107 indicated by the study drop-out rate (%) regardless of the cause.
Time Frame: six months
|
Percentage of patients who dropout of the study at days 28, 84, 180
|
six months
|
Proportion of patients developing any grade 3-4 adverse events or deaths
Time Frame: one year
|
Percentage of patients with grade 3-4 adverse events (assessed by CTCAE version 5.0) or deaths through day 360.
|
one year
|
Measure of CYT107 immunogenicity
Time Frame: 1 year
|
Number of patients with presence of binding and neutralizing antibodies at day 15, 29, 57, 90 and 120 compared to baseline.
Testing for immunogenicity will be repeated at day 180 and again at day 360 only if positive antibodies are detected at previous sampling timepoint.
|
1 year
|
Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
IL-7 effect on opportunistic bacterial, viral or fungal infections
Time Frame: one year
|
The incidence of new bacterial, fungal, or viral infections requiring medical treatment will be quantitated and captured during the interim history at each visit through Day 360.
|
one year
|
IL-7 Effects on immune cells counts
Time Frame: one year
|
The absolute lymphocyte, monocyte, and neutrophil counts will be assessed and compared to baseline values at days 28, 56, 84, 180 and one year (about day 360)
|
one year
|
IL-7 Effects on CD4+ and CD8+ T lymphocytes
Time Frame: one year
|
The absolute CD4+ and CD8+ T cell counts will be assessed and compared to baseline values at days 28, 56, 84, 180 and one year (about day 360)
|
one year
|
IL-7 Effects on immune T cell markers
Time Frame: 2 months
|
Peripheral blood cellular immune biomarkers including CD4 and CD8 T cell expression of soluble IL-7 receptor α (CD127), PD-1, and Ki67 and monocyte HLA-DR expression will be assessed at baseline and days 28, 56
|
2 months
|
IL-7 Effects on circulating cytokines
Time Frame: 2 months
|
Circulating cytokines including Tumor necrosis factor (TNF-α), IL-6, and IL-10 will be measured by ELISA at baseline, Day 1 and day 56
|
2 months
|
IL-7 Effects on cellular cytokine production
Time Frame: 3 months
|
ELISpot assays for stimulated production of Interferon (IFN-γ) and TNF-α will be performed at baseline and days 28, 56 and 84
|
3 months
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Andrej SPEC, MD, Washington University School of Medicine
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 (Actual)
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
- IMPULSE-7
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
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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