Sequential Natalizumab - Alemtuzumab Therapy in Patients With Relapsing Forms of Multiple Sclerosis



Status:Recruiting
Conditions:Neurology, Neurology
Therapuetic Areas:Neurology
Healthy:No
Age Range:18 - 60
Updated:10/14/2018
Start Date:January 1, 2018
End Date:December 2021
Contact:Rehana Hussain, MSc
Email:rehana.hussain@utsouthwestern.edu
Phone:214-648-7244

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Sequential Natalizumab - Alemtuzumab Therapy in Patients With Relapsing Forms of Multiple Sclerosis (SUPPRESS)

The purpose of this study is to determine if a sequential combination therapy of natalizumab
and alemtuzumab induces peripheral tolerance and reduces the annualized relapse rate (ARR) in
patients with relapsing-remitting multiple sclerosis (RRMS).

To determine if treatment with alemtuzumab after natalizumab reduces the ARR in patients with
RRMS. The goal of this trial is to establish a disease-free state over a 24 months period in
patients who received the natalizumab-alemtuzumab sequential therapy. The target population
for this study are RRMS patients nearing the end of their natalizumab treatment
regimen.Participants will be recruited from four different sites. Patients who meet all
inclusion/exclusion criteria will be eligible for enrollment in the study.

Alemtuzumab (Lemtrada®) will be administered at a dose of 12 mg/d by intravenous (i.v.)
infusion every day for five consecutive days within 14 days of the last dose of natalizumab.
After 12 months, patients will be treated with a second course of alemtuzumab 12 mg/d by
intravenous (i.v.) infusion every day for three consecutive days, and participants will be
followed open-label for another 12 months per standard of care. Outside the scope of this
study, the intention is to follow all study participants in participating centers long-term,
and to record disease activity and treatment response.

Natalizumab treatment sequesters leukocytes out of the central nervous system (CNS) into the
peripheral blood. Immediate sequential alemtuzumab therapy will deplete these cells more
completely than alemtuzumab monotherapy, and prevent reactivation of disease activity
previously treated with natalizumab. Thus, investigators hypothesize that sequential
natalizumab - alemtuzumab therapy will prevent disease activation after cessation of
natalizumab, and will provide sustained disease remission in many patients.

Clinical follow up by the treating physician will occur at months 0, 3, 6, 9, 12, 18 and 24
or immediately following clinical exacerbations months. During clinical visits, comprehensive
medical history data will be obtained by the treating physician. Clinical visits due to
suspected exacerbations associated with CNS (central nervous system) demyelination, and
associated diagnostic studies and treatments, will be covered under the medical standard of
care by third party payers. A recommendation to reevaluate the patient within 3 months
following the clinical event to assess for extent of recovery will be made.

Standardized MRI studies of the brain will be performed at 0, 6, 12 and 24 months. Clinical
imaging studies of the brain will be performed during or immediately following the onset of a
clinical exacerbation will be performed at the discretion of the site PI with scan costs
covered under the medical standard of care. An end of study clinical MRI of the brain with
and without contrast will be recommended to study participants at week 96 as medical standard
of care.

Inclusion Criteria:

1. Age between 18 and 60 years, inclusive.

2. Diagnosis of relapsing forms of MS using revised McDonald Criteria1.

3. Expanded Disability Status Scale (EDSS) 0 - 5.5 (note: functional system changes in
cerebral (or mental) functions and in bowel and bladder functions not used in
determining EDSS for protocol eligibility).

4. Has had a minimum of 12 monthly doses of continuous natalizumab therapy (300 mg/d).

5. Understands English, and gives informed consent.

Exclusion Criteria:

1. Natalizumab failure based on clinician's discretion.

2. Any prior exposure to alemtuzumab.

3. Progressive MS.

4. A diagnosis of Progressive multifocal leukoencephalopathy (PML).

5. Known hypersensitivity to alemtuzumab.

6. Initiation of new immunosuppressant treatment after the subject becomes
protocol-eligible (except for corticosteroids) or enrollment in a concurrent trial
with immuno-active pharmacotherapies.

7. Uncontrolled diabetes mellitus defined as HbA1c > 8% and/or requiring intensive
management.

8. History of cytopenia consistent with the diagnosis of myelodysplastic syndrome.

9. Clinically significant autoimmune disease other than MS that may affect the CNS,
including neuromyelitis optica (NMO), systemic lupus erythematosus (SLE), or Behcet
disease.

10. Active hepatitis B or C infection or evidence of cirrhosis.

11. HIV positivity.

12. Uncontrolled viral, fungal, or bacterial infection.

13. Positive pregnancy test or inability or unwillingness to use effective means of birth
control. Effective birth control is defined as:

1. Refraining from all acts of vaginal intercourse (abstinence),

2. Consistent use of birth control pills,

3. Tubal sterilization or male partner who has undergone vasectomy

4. Placement of intrauterine device

5. Use, with every act of intercourse, of a diaphragm with contraceptive jelly
and/or condoms with contraceptive foam.

14. Presence of metallic objects implanted in the body that would preclude the ability of
the subject to safely have MRI exams.

15. Psychiatric illness, mental deficiency, or cognitive dysfunction making compliance
with treatment or informed consent impossible.
We found this trial at
2
sites
Dallas, Texas 75216
Principal Investigator: Olaf Stuve, M.D., Ph.D.
Phone: 214-648-7244
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2201 Inwood Rd
Dallas, Texas 75235
(214) 645-8300
Principal Investigator: Olaf Stuve, M.D., Ph.D
Phone: 214-648-7244
U.T. Southwestern Medical Center The story of UT Southwestern Medical Center is one of commitment...
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