Infliximab Therapy for Dolichoectactic Vertebrobasilar Aneurysms
Primary Purpose
Aneurysm, Stroke, Vasculitis
Status
Enrolling by invitation
Phase
Phase 1
Locations
United States
Study Type
Interventional
Intervention
Infliximab
Sponsored by
About this trial
This is an interventional treatment trial for Aneurysm
Eligibility Criteria
Inclusion Criteria:
- Vertebral and/or basilar artery dolichoectactic aneurysm not amenable to microsurgical or endovascular treatment.
- Age greater than 18 years at time of first study drug administration.
Exclusion Criteria:
- Use of an anti-TNF or other biologic medication (Including but not limited to abatacept, rituximab, or tocilizumab) within the previous 12 months.
- The following laboratory parameters at the Screening visit: Neutropenia (absolute neutrophil count < 1,500/microliter; Thrombocytopenia (platelets < 100,000/ • Anemia (hemoglobin < 8 g/dL); Greater than or equal to 3 times the upper limit of normal (ULN) for either of the following liver function tests (LFTs): aspartate transaminase (AST) or alanine transaminase (ALT); Renal insufficiency (serum creatinine> 2.0 mg/dL)
- Purified protein derivative (PPD) test of > 5 mm induration regardless of prior BacilleCalmette Guerin vaccine administration or positive QuantiFERON®-TB Gold In-Tube Test (QFT-G_IT) without documentation of completed treatment or evidence of ongoing treatment of latent tuberculosis (TB) for 30 days. Subjects with active TB infection are excluded.
- History of positive PPD, positive QuantiFERON®-TB Gold In-Tube Test (QFT-G_IT), or chest x-ray findings indicative of prior TB infection, without documentation of either treatment for TB infection or chemoprophylaxis for TB exposure
- Presence of open leg ulcers
- Chronic or persistent infection including but not limited to human immunodeficiency virus [HIV], untreated hepatitis B, listeriosis, TB, or other opportunistic infection). Patients with hepatitis C but without evidence of cirrhosis or significant hepatic dysfunction will be considered for inclusion on a case-by-case basis as will patients with chronic hepatitis B on anti-viral therapy.
- Active infection or severe infections requiring hospitalization or treatment with intravenous (IV) antibiotics, IV antivirals, or IV antifungals within 30 days prior to randomization, or oral antibiotics, oral antivirals, or oral antifungals within 14 days prior to randomization
- Receipt of a live vaccine within 4 weeks prior to randomization
- History of malignancy within the past 5 years other than treated localized carcinoma in situ of the cervix or adequately treated non-metastatic squamous or basal cell skin carcinoma
- Any medical condition, which, in the opinion of the investigator, would put the subject at risk by participation in the protocol
- Women of childbearing potential who are sexually active and who do not agree to practice one of the following methods of contraception during the duration of the study: condoms, sponge, foams, jellies, diaphragm or intrauterine device; oral or parenteral contraceptives for 2 months prior to study product administration; a vasectomized partner; abstinence.
- Pregnant (all women of childbearing potential must have a negative serum pregnancy test) or breastfeeding
- Any investigational agent within the earlier of 4 weeks or 5 half-lives prior to randomization
- History of drug or alcohol abuse within 6 months prior to randomization
- Known allergy or hypersensitivity to any study products
- Any psychiatric disorder that prevents the subject from providing informed consent
- Inability or unwillingness to follow the protocol.
- Unable to undergo MR imaging.
Sites / Locations
- UCSF Medical Center
Arms of the Study
Arm 1
Arm Type
Experimental
Arm Label
Infliximab treatment
Arm Description
Administer infliximab intravenously to patients with DVB aneurysms (3 mg/kg at 0, 3 and 7 weeks, then at 8-week intervals x 7) for a total of 12-months. Patients will undergo MR imaging at 0, 12, and 24-month time points.
Outcomes
Primary Outcome Measures
Reduction in aneurysm volume (ml)
Our primary outcome for assessing the effectiveness of the infliximab treatment will be the reduction in aneurysm volume over the treatment course based on the 0 and 12 month MR scans. DVB aneurysm volume will be assessed by review of standardized 1.5 mm slices in the axial plane. The contour of the aneurysm using time-of-flight MR angiography sequences will generate a cross-sectional area at each slice level. The volume will be estimated by summing the imputed volume of each slice. Standard T1- and T2-weighted sequences will also be obtained, as well as iron-sensitive sequencing.
Secondary Outcome Measures
Aneurysm computational fluid dynamic (CFD) metrics: flow velocity (ml/sec)
The investigators will capture MR-based, quantitative changes in the aneurysm computational fluid dynamics (CFD) metrics including flow velocity post 12-month IV infliximab administration. The investigators will compare pre- and post-treatment flow velocities using baseline and interval MR angiographic data. Such data is important in predication of aneurysm growth.
Aneurysm computational fluid dynamic (CFD) metrics: shear stress (pascal)
The investigators will capture MR-based, quantitative changes in the aneurysm computational fluid dynamics (CFD) metrics including wall shear stress post 12-month IV infliximab administration. The investigators will compare pre- and post-treatment CFD metrics using baseline and interval MR angiographic data. Such data is important in predication of aneurysm growth.
Aneurysm computational fluid dynamic (CFD) metrics: oscillatory index (0 - 0.5)
The investigators will capture MR-based, quantitative changes in the aneurysm computational fluid dynamics (CFD) metrics including oscillatory shear (OSI) index post 12-month IV infliximab administration. The investigators will compare pre- and post-treatment CFD metrics using baseline and interval MR angiographic data. Such data is important in predication of aneurysm growth. OSI ranges from 0 to 0.5, where 0 describes a total unidirectional WSS and the latter a purely unsteady, oscillatory shear flow with a net amount of zero WSS. Areas of high OSI are predisposed to endothelial dysfunction.
Aneurysm wall enhancement (ratio of signal post:signal pre contrast)
Continued improvements in higher field MR imaging have generated series noting the ability to not only resolve aneurysmal wall enhancement, but also the presence of such findings to reliably predict aneurysm growth and correlate with symptomatic events. To perform wall enhancement, the patient will first be scanned at 3T/7T using T1 weighted 3D black blood MRI technique (SPACE). Gadolinium will be injected and a 3D isotropic, high-resolution first-pass contrast-enhanced MR angiogram (CEMRA) will be obtained; immediately following that a post-contrast SPACE will be acquired. Contrast enhancement of the vessel wall will be graded as 0-2 scale or quantified by an enhancement ratio (Signal-post/Sigal-pre). Wall thickness can be estimated by the full width half maximal (FWHM) of the line profile across the vessel wall.
Full Information
NCT ID
NCT02638701
First Posted
December 15, 2015
Last Updated
August 16, 2023
Sponsor
University of California, San Francisco
1. Study Identification
Unique Protocol Identification Number
NCT02638701
Brief Title
Infliximab Therapy for Dolichoectactic Vertebrobasilar Aneurysms
Official Title
Infliximab Therapy for Dolichoectactic Vertebrobasilar Aneurysms
Study Type
Interventional
2. Study Status
Record Verification Date
August 2023
Overall Recruitment Status
Enrolling by invitation
Study Start Date
July 1, 2018 (Actual)
Primary Completion Date
June 2025 (Anticipated)
Study Completion Date
December 2026 (Anticipated)
3. Sponsor/Collaborators
Responsible Party, by Official Title
Principal Investigator
Name of the Sponsor
University of California, San Francisco
4. Oversight
Studies a U.S. FDA-regulated Drug Product
Yes
Studies a U.S. FDA-regulated Device Product
No
Data Monitoring Committee
Yes
5. Study Description
Brief Summary
Patients harboring dolichoectactic vertebrobasilar (DVB) aneurysms are at risk of suffering SAH, ischemic stroke, and/or brainstem compression and many patients are not offered invasive treatment due to the futility of existing surgical methods. Consequently, there is demand for development of medical therapy for DVB aneurysms
Detailed Description
Dolichoectatic vertebrobasilar (DVB) aneurysms are fusiform in geometry and often large (< 10 cm) in size limiting traditional microsurgical clipping or endovascular coiling strategies. Collectively, DVB aneurysms represent ≤ 0.01% of all aneurysms (~ 600 US) and, consequently, their study is limited to a few small series. Despite their rarity, the location and geometry of DVB aneurysms make surgical intervention, microsurgical or endovascular, nearly uniformly fatal. Therefore, most DVB aneurysms are observed providing greater insight into their natural history than many more surgically amenable aneurysms. One series noted 28% of patients manifesting any neurological deficit, ischemic or hemorrhagic, over a 4 year interval with an overall mortality rate of ~ 20%.
Tumor necrosis alpha (TNFα). From the many implicated genetic pathways in aneurysm formation, tumor necrosis alpha (TNFα) has been noted a pivotal actor. In pre-clinical studies, the ability to inhibit TNFα induction prevents aneurysm rupture and even aneurysm growth altogether. In humans, TNFα inhibitor therapy has proven effective for many types of vascular inflammation including carotid wall thickening in the setting of rheumatoid arthritis. Over 12- and 24-month intervals, others have demonstrated significant decreases in carotid intima-media thickness in patients taking the TNFα inhibitor, infliximab. Furthermore, infliximab therapy has proven effective in refractory Kawasaki's disease, a condition characterized by post-infectious coronary artery inflammation in children. There is also evidence that infliximab therapy is effective in treatment of IVIG-refractory Kawasaki's disease including regressing coronary aneurysms. Despite the multitude of agents and indications both on and off-label, TNFα inhibitor therapy has not been used for the treatment of brain aneurysm.
6. Conditions and Keywords
Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Aneurysm, Stroke, Vasculitis, Tumor Necrosis Factor-alpha
7. Study Design
Primary Purpose
Treatment
Study Phase
Phase 1, Phase 2
Interventional Study Model
Single Group Assignment
Masking
None (Open Label)
Allocation
N/A
Enrollment
8 (Anticipated)
8. Arms, Groups, and Interventions
Arm Title
Infliximab treatment
Arm Type
Experimental
Arm Description
Administer infliximab intravenously to patients with DVB aneurysms (3 mg/kg at 0, 3 and 7 weeks, then at 8-week intervals x 7) for a total of 12-months. Patients will undergo MR imaging at 0, 12, and 24-month time points.
Intervention Type
Drug
Intervention Name(s)
Infliximab
Other Intervention Name(s)
Remicade
Intervention Description
Please see protocol for details.
Primary Outcome Measure Information:
Title
Reduction in aneurysm volume (ml)
Description
Our primary outcome for assessing the effectiveness of the infliximab treatment will be the reduction in aneurysm volume over the treatment course based on the 0 and 12 month MR scans. DVB aneurysm volume will be assessed by review of standardized 1.5 mm slices in the axial plane. The contour of the aneurysm using time-of-flight MR angiography sequences will generate a cross-sectional area at each slice level. The volume will be estimated by summing the imputed volume of each slice. Standard T1- and T2-weighted sequences will also be obtained, as well as iron-sensitive sequencing.
Time Frame
12 months
Secondary Outcome Measure Information:
Title
Aneurysm computational fluid dynamic (CFD) metrics: flow velocity (ml/sec)
Description
The investigators will capture MR-based, quantitative changes in the aneurysm computational fluid dynamics (CFD) metrics including flow velocity post 12-month IV infliximab administration. The investigators will compare pre- and post-treatment flow velocities using baseline and interval MR angiographic data. Such data is important in predication of aneurysm growth.
Time Frame
12 months
Title
Aneurysm computational fluid dynamic (CFD) metrics: shear stress (pascal)
Description
The investigators will capture MR-based, quantitative changes in the aneurysm computational fluid dynamics (CFD) metrics including wall shear stress post 12-month IV infliximab administration. The investigators will compare pre- and post-treatment CFD metrics using baseline and interval MR angiographic data. Such data is important in predication of aneurysm growth.
Time Frame
12 months
Title
Aneurysm computational fluid dynamic (CFD) metrics: oscillatory index (0 - 0.5)
Description
The investigators will capture MR-based, quantitative changes in the aneurysm computational fluid dynamics (CFD) metrics including oscillatory shear (OSI) index post 12-month IV infliximab administration. The investigators will compare pre- and post-treatment CFD metrics using baseline and interval MR angiographic data. Such data is important in predication of aneurysm growth. OSI ranges from 0 to 0.5, where 0 describes a total unidirectional WSS and the latter a purely unsteady, oscillatory shear flow with a net amount of zero WSS. Areas of high OSI are predisposed to endothelial dysfunction.
Time Frame
12 months
Title
Aneurysm wall enhancement (ratio of signal post:signal pre contrast)
Description
Continued improvements in higher field MR imaging have generated series noting the ability to not only resolve aneurysmal wall enhancement, but also the presence of such findings to reliably predict aneurysm growth and correlate with symptomatic events. To perform wall enhancement, the patient will first be scanned at 3T/7T using T1 weighted 3D black blood MRI technique (SPACE). Gadolinium will be injected and a 3D isotropic, high-resolution first-pass contrast-enhanced MR angiogram (CEMRA) will be obtained; immediately following that a post-contrast SPACE will be acquired. Contrast enhancement of the vessel wall will be graded as 0-2 scale or quantified by an enhancement ratio (Signal-post/Sigal-pre). Wall thickness can be estimated by the full width half maximal (FWHM) of the line profile across the vessel wall.
Time Frame
12 months
10. Eligibility
Sex
All
Minimum Age & Unit of Time
18 Years
Accepts Healthy Volunteers
No
Eligibility Criteria
Inclusion Criteria:
Vertebral and/or basilar artery dolichoectactic aneurysm not amenable to microsurgical or endovascular treatment.
Age greater than 18 years at time of first study drug administration.
Exclusion Criteria:
Use of an anti-TNF or other biologic medication (Including but not limited to abatacept, rituximab, or tocilizumab) within the previous 12 months.
The following laboratory parameters at the Screening visit: Neutropenia (absolute neutrophil count < 1,500/microliter; Thrombocytopenia (platelets < 100,000/ • Anemia (hemoglobin < 8 g/dL); Greater than or equal to 3 times the upper limit of normal (ULN) for either of the following liver function tests (LFTs): aspartate transaminase (AST) or alanine transaminase (ALT); Renal insufficiency (serum creatinine> 2.0 mg/dL)
Purified protein derivative (PPD) test of > 5 mm induration regardless of prior BacilleCalmette Guerin vaccine administration or positive QuantiFERON®-TB Gold In-Tube Test (QFT-G_IT) without documentation of completed treatment or evidence of ongoing treatment of latent tuberculosis (TB) for 30 days. Subjects with active TB infection are excluded.
History of positive PPD, positive QuantiFERON®-TB Gold In-Tube Test (QFT-G_IT), or chest x-ray findings indicative of prior TB infection, without documentation of either treatment for TB infection or chemoprophylaxis for TB exposure
Presence of open leg ulcers
Chronic or persistent infection including but not limited to human immunodeficiency virus [HIV], untreated hepatitis B, listeriosis, TB, or other opportunistic infection). Patients with hepatitis C but without evidence of cirrhosis or significant hepatic dysfunction will be considered for inclusion on a case-by-case basis as will patients with chronic hepatitis B on anti-viral therapy.
Active infection or severe infections requiring hospitalization or treatment with intravenous (IV) antibiotics, IV antivirals, or IV antifungals within 30 days prior to randomization, or oral antibiotics, oral antivirals, or oral antifungals within 14 days prior to randomization
Receipt of a live vaccine within 4 weeks prior to randomization
History of malignancy within the past 5 years other than treated localized carcinoma in situ of the cervix or adequately treated non-metastatic squamous or basal cell skin carcinoma
Any medical condition, which, in the opinion of the investigator, would put the subject at risk by participation in the protocol
Women of childbearing potential who are sexually active and who do not agree to practice one of the following methods of contraception during the duration of the study: condoms, sponge, foams, jellies, diaphragm or intrauterine device; oral or parenteral contraceptives for 2 months prior to study product administration; a vasectomized partner; abstinence.
Pregnant (all women of childbearing potential must have a negative serum pregnancy test) or breastfeeding
Any investigational agent within the earlier of 4 weeks or 5 half-lives prior to randomization
History of drug or alcohol abuse within 6 months prior to randomization
Known allergy or hypersensitivity to any study products
Any psychiatric disorder that prevents the subject from providing informed consent
Inability or unwillingness to follow the protocol.
Unable to undergo MR imaging.
Overall Study Officials:
First Name & Middle Initial & Last Name & Degree
Daniel L Cooke, MD
Organizational Affiliation
University of California, San Francisco
Official's Role
Principal Investigator
Facility Information:
Facility Name
UCSF Medical Center
City
San Francisco
State/Province
California
ZIP/Postal Code
94143
Country
United States
12. IPD Sharing Statement
Citations:
PubMed Identifier
16123548
Citation
Flemming KD, Wiebers DO, Brown RD Jr, Link MJ, Huston J 3rd, McClelland RL, Christianson TJ. The natural history of radiographically defined vertebrobasilar nonsaccular intracranial aneurysms. Cerebrovasc Dis. 2005;20(4):270-9. doi: 10.1159/000087710. Epub 2005 Aug 22.
Results Reference
background
PubMed Identifier
15658099
Citation
Mangrum WI, Huston J 3rd, Link MJ, Wiebers DO, McClelland RL, Christianson TJ, Flemming KD. Enlarging vertebrobasilar nonsaccular intracranial aneurysms: frequency, predictors, and clinical outcome of growth. J Neurosurg. 2005 Jan;102(1):72-9. doi: 10.3171/jns.2005.102.1.0072.
Results Reference
background
PubMed Identifier
24323710
Citation
Starke RM, Raper DM, Ding D, Chalouhi N, Owens GK, Hasan DM, Medel R, Dumont AS. Tumor necrosis factor-alpha modulates cerebral aneurysm formation and rupture. Transl Stroke Res. 2014 Apr;5(2):269-77. doi: 10.1007/s12975-013-0287-9. Epub 2013 Sep 20.
Results Reference
background
PubMed Identifier
19387646
Citation
Ferrante A, Giardina AR, Ciccia F, Parrinello G, Licata G, Avellone G, Giardina E, Impastato R, Triolo G. Long-term anti-tumour necrosis factor therapy reverses the progression of carotid intima-media thickness in female patients with active rheumatoid arthritis. Rheumatol Int. 2009 Dec;30(2):193-8. doi: 10.1007/s00296-009-0935-2.
Results Reference
background
PubMed Identifier
17449484
Citation
Del Porto F, Lagana B, Lai S, Nofroni I, Tinti F, Vitale M, Podesta E, Mitterhofer AP, D'Amelio R. Response to anti-tumour necrosis factor alpha blockade is associated with reduction of carotid intima-media thickness in patients with active rheumatoid arthritis. Rheumatology (Oxford). 2007 Jul;46(7):1111-5. doi: 10.1093/rheumatology/kem089. Epub 2007 Apr 20.
Results Reference
background
PubMed Identifier
18672254
Citation
Burns JC, Best BM, Mejias A, Mahony L, Fixler DE, Jafri HS, Melish ME, Jackson MA, Asmar BI, Lang DJ, Connor JD, Capparelli EV, Keen ML, Mamun K, Keenan GF, Ramilo O. Infliximab treatment of intravenous immunoglobulin-resistant Kawasaki disease. J Pediatr. 2008 Dec;153(6):833-8. doi: 10.1016/j.jpeds.2008.06.011. Epub 2008 Jul 30.
Results Reference
background
PubMed Identifier
23428244
Citation
Hasan DM, Chalouhi N, Jabbour P, Magnotta VA, Kung DK, Young WL. Imaging aspirin effect on macrophages in the wall of human cerebral aneurysms using ferumoxytol-enhanced MRI: preliminary results. J Neuroradiol. 2013 Jul;40(3):187-91. doi: 10.1016/j.neurad.2012.09.002. Epub 2013 Feb 18.
Results Reference
background
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Infliximab Therapy for Dolichoectactic Vertebrobasilar Aneurysms
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