Brentuximab Vedotin for Systemic Sclerosis



Status:Recruiting
Conditions:Skin and Soft Tissue Infections, Neurology, Dermatology, Dermatology
Therapuetic Areas:Dermatology / Plastic Surgery, Neurology
Healthy:No
Age Range:18 - 70
Updated:9/27/2018
Start Date:September 20, 2017
End Date:September 2020

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Evaluation of Brentuximab Vedotin for Diffuse Cutaneous Systemic Sclerosis BRAVOS: A Phase 1/2 Multicenter Randomized, Double Blinded, Safety Study (ITN075AI)

There is significant unmet need for effective treatment options for Diffuse Cutaneous
Systemic Sclerosis (dcSSc). The present study will be a dose-escalation safety trial of
brentuximab vedotin, a drug-antibody conjugate approved for the treatment of lymphoma and
targeted to the protein CD30 molecule expressed on activated immune cells There is evidence
for CD30 involvement in SSc. This study represents the first step in determining safety and
tolerability of brentuximab vedotin in SSc.

This is a multicenter prospective double blind placebo controlled dose escalation safety
clinical trial with brentuximab vedotin and stable background immunosuppressive therapy in
adult individuals with Diffuse Cutaneous Systemic Sclerosis (dcSSc). Adult male and female
participants with dcSSc will be recruited by a collaborative group of clinical sites in the
United States and Canada. Participants who meet the eligibility criteria will be enrolled
without regard to gender, race, or ethnicity.

Eligible participants will be randomly assigned to study treatment, either brentuximab
vedotin or placebo equivalent in a 6:2 ratio favoring brentuximab vedotin. Three dose cohorts
are planned with 8 participants in each cohort, for a total of 24 participants.

The doses planned for each ascending dose cohort include 0.6mg/kg, 1.2 mg/kg, and 1.8 mg/kg
brentuximab vedotin or placebo equivalent. All cohorts will receive intravenous
administration of study medication every 3 weeks for 21 weeks, for a total of eight doses.
Following completion of treatment, participants will undergo follow-up visits at weeks 24,
28, 36 and 48.

Inclusion Criteria:

- Classification of Systemic Sclerosis (SSc), as defined using the 2013 American College
of Rheumatology/European Union League Against Rheumatism classification of SSc;

- Diagnosis of Diffuse Cutaneous Systemic Sclerosis (dcSSc), as defined by LeRoy and
Medsger, Criteria for the classification of early systemic sclerosis. J Rheumatol,
2001. 28(7): p. 1573-6;

- Disease duration ≤ 60 months (defined as time from the first non-Raynaud phenomenon
manifestation);

- Modified Rodnan Skin Score (mRSS) units ≥ 15 and ≤ 45, and both of the following:

- At least mild skin thickening (≥ 1+ mRSS) of the forearm, and

- At least moderate skin thickening (≥ 2+ mRSS) at the planned forearm skin biopsy
site.

- Documentation of at least 12 weeks of ongoing immunosuppressive therapy for SSc at the
time of enrollment, and at least 4 weeks at a stable dose, of one of the following:

- Methotrexate ≤ 25 mg/week, or

- Mycophenolate mofetil ≤3 grams/day or mycophenolate sodium ≤2.16 grams/day, or

- Azathioprine ≤3mg/kg/day.

- Ability to provide informed consent.

Exclusion Criteria:

- Rheumatic disease other than Diffuse Cutaneous Systemic Sclerosis (dcSSc); it is
acceptable to include patients with osteoarthritis, fibromyalgia, sicca symptoms, and
scleroderma-associated myopathy;

- Limited cutaneous Systemic Sclerosis (SSc) or sine scleroderma;

- Pulmonary disease with Forced Vital Capacity (FVC) ≤60% of predicted, or Diffusing
Capacity of the Lung for Carbon Monoxide (DLCO) (corrected for hemoglobin) ≤60% of
predicted;

- Pulmonary hypertension (PH) or moderate to severe left ventricular dysfunction,
defined as one of the following:

- Transthoracic echocardiography demonstrating at least one of the following
(unless subsequent right heart catheterization does not demonstrate PH; or unless
prior right heart catheterization within one year did not demonstrate PH and
echocardiography results are not significantly changed):

- Tricuspid regurgitation jet >2.8 m/sec or estimated right ventricular
systolic pressure > 42 mm Hg. or

- At least one of the following:

1. Abnormality of right atrial size, shape, or wall thickness consistent
with PH, or

2. Abnormality of right ventricular size, shape, or wall thickness
consistent with PH, or

3. Abnormal septal wall shape consistent with PH.

- Left Ventricular Ejection Fraction (LVEF) <50%.

- Right heart catheterization showing mean pulmonary artery pressure ≥25 mm Hg at
rest;

- Current use of approved medications for PH. It is acceptable to use
phosphodiesterase type 5 (PDE-5) inhibitors for Raynaud's, digital ulcers, and
intermittently for erectile dysfunction.

- Active scleroderma renal crisis within the 4 months prior to enrollment;

- History of moderate-to-severe lower gastrointestinal dysmotility such as current use
of parenteral nutrition and/or recent history of intestinal pseudo-obstruction within
3 months prior to enrollment;

- The following medications:

- Oral corticosteroids >10 mg/day of prednisone or equivalent within 2 weeks prior
to enrollment;

- Treatment with Intravenous Immunoglobulin (IVIG) within 12 weeks prior to
enrollment;

- Treatment with cyclophosphamide within 6 months prior to enrollment;

- Use of investigational biologic or non-biologic medication within the past 90
days, or 5 half-lives prior to enrollment, whichever is greater;

- Use of anti-TNF medication or other biologic medications within the past 90 days,
or 5 half-lives prior to enrollment, whichever is greater;

- Prior treatment with anti-CD20 if either of the following are true:

- B cells ≤ lower limit of normal (LLN), or

- Treatment with anti-CD20 has been within 12 months prior to enrollment.

- Any prior treatment with cell-depleting therapies other than anti-CD20, including
investigational agents, including but not limited to, CAMPATH(R), anti- CD4,
anti-CD5, anti-CD3, anti-CD19; or

- Any prior treatment with chlorambucil, bone marrow transplantation, or total
lymphoid irradiation.

- Receipt of a live-attenuated vaccine within 3 months of study enrollment;

- Concomitant malignancies or a history of malignancy, with the exception of adequately
treated basal and squamous cell carcinoma of the skin, or carcinoma in situ of the
cervix;

- Major surgery (including joint surgery) within 8 weeks prior to enrollment;

- History of solid organ or hematopoietic stem cell transplantation;

- History of primary immunodeficiency;

- Comorbidities requiring corticosteroid therapy, including those which have required
three or more courses of systemic corticosteroids within the 12 months prior to
enrollment;

- Current substance abuse or history of substance abuse within 12 months prior to
enrollment;

- History of severe depression or severe psychiatric condition;

- Lack of peripheral venous access;

- Known hypersensitivity to brentuximab vedotin, a component thereof, or the excipient
contained in the drug formulation;

- Severe, progressive, or uncontrolled renal, hepatic, hematological, gastrointestinal,
pulmonary, cardiac, or neurological disease (or, in the investigator's opinion, any
other concomitant medical condition that places the participant at risk by
participating in this study), including but not limited to:

- Uncompensated congestive heart failure (New York Heart Association Class III or
VI);

- Clinically significant active coronary artery disease (e.g., unstable angina or
acute myocardial infarction within 6 months prior to enrollment);

- Recently active cerebrovascular disease (e.g., stroke or transient ischemic
attack within 6 months prior to enrollment);

- Uncontrolled systemic hypertension;

- Confirmed diagnosis of diabetes mellitus;

- Pancreatitis within 30 days prior to enrollment; or

- History of peripheral neuropathy, such as mononeuritis multiplex, acute or
chronic inflammatory demyelinating polyneuropathy, axonal sensorimotor
neuropathies, or drug related neuropathy or neuritis.

- Evidence of infection:

- Any infected ulcer at enrollment;

- Active bacterial, viral, fungal, or opportunistic infections requiring systemic
anti-infective therapy;

- Evidence of current or prior infection with tuberculosis:

- Positive QuantiFERON® - TB Gold or TB Gold Plus test results.

- Note: Purified protein derivative (PPD) tuberculin test may be substituted for
QuantiFERON® - TB Gold or TB fold Plus test.

- Indeterminant QuantiFERON® - TB Gold test results, unless followed by a
subsequent negative PPD or negative QuantiFERON® and clearance by local
Infectious Disease department.

- Evidence of current or prior infection with human immunodeficiency virus (HIV),
hepatitis B (as assessed by hepatitis B surface antigen, HBsAg and antibody to
hepatitis B core antigen, anti-HBc) or hepatitis C;

- History of progressive multifocal leukoencephalopathy (PML);

- Hospitalization for treatment of infections, or parenteral (intravenous or
intramuscular) antibacterials, antivirals, anti-fungals, or anti-parasitic agents
within the past 60 days prior to enrollment;

- Chronic infection that is currently being treated with systemic suppressive
antibiotic or antiviral therapy, including but not limited to tuberculosis,
pneumocystis, cytomegalovirus, herpes simplex virus, herpes zoster, and atypical
mycobacteria.

- History of significant infection or recurrent infection that, in the
investigator's opinion, places the participant at risk by participating in this
study.

- The following laboratory abnormalities:

- Neutropenia (absolute neutrophil count <1500/mm^3);

- Thrombocytopenia (platelets <100,000/mm^3);

- Moderately severe anemia (hemoglobin, Hgb < 10 g/dL);

- Liver function test (aspartate aminotransferase [AST], alanine aminotransferase
[ALT], or alkaline phosphatase) results that are ≥ 1.5 times the upper limit of
normal;

- Serum total bilirubin > 1.5 times the upper limit of normal, or > 3 times the
upper limit of normal in the presence of Gilbert's syndrome; or

- Serum amylase and serum lipase > 1.5 times the upper limit of normal.

- Renal dysfunction, defined as either one of the following:

- Serum creatinine > 1.5 times the upper limit of normal; or

- Estimated glomerular filtration rate (eGFR) < 60 mL/min/1.73m^2.

- Pregnancy;

- Breastfeeding;

- Unwillingness to use two forms of medically acceptable contraception methods by
participants and their partners (if of reproductive potential) during the study and
for at least 6 months after last dose of study drug; or

- Inability to comply with study and follow-up procedures.
We found this trial at
11
sites
Los Angeles, California 90095
Principal Investigator: Suzanne Kafaja, MD
Phone: 310-825-9682
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Ann Arbor, Michigan 48109
Principal Investigator: Vivek Nagaraja, MD
Phone: 734-232-2090
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Ann Arbor, MI
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Boston, Massachusetts 02118
Principal Investigator: Robert Simms, MD
Phone: 617-358-6797
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Boston, MA
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96 Jonathan Lucas Street
Charleston, South Carolina 29425
Principal Investigator: Richard Silver, MD
Phone: 843-792-8272
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Durham, North Carolina 27710
Principal Investigator: Ankoor Shah, MD
Phone: 919-684-6150
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Durham, NC
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6431 Fannin Street
Houston, Texas 77030
Principal Investigator: Maureen Mayes, MD, MPH
Phone: 713-500-7118
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Minneapolis, Minnesota 55455
Principal Investigator: Jerry A. Molitor, MD
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535 E 70th St
New York, New York 10021
Principal Investigator: Jessica Gordon, MD
Phone: 212-774-7620
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3708 Fifth Avenue
Pittsburgh, Pennsylvania 15217
Principal Investigator: Robert Lafyatis,, MD
Phone: 412-648-7040
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Toronto, Ontario
Principal Investigator: Sindu R. Johnson, MD,PhD,FRCPC
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3700 O Street Northwest
Washington, District of Columbia 20057
Principal Investigator: Virginia Steen, MD
Phone: 202-444-6210
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