๐ฌIn plain words
What the trial is, and whether it could suit you
In multiple sclerosis (MS) cells of the immune system attack the brain causing tissue damage. In secondary progressive MS (SPMS) these repeated immune attacks have stopped but despite this new damage continues to appear. TSPO is a protein found in the brain and cells of the immune system, whose levels increase during MS. The investigators would like to know whether drugs that bind TSPO could dampen the immune responses in patients with SPMS. The investigators will be testing two drugs that affect TSPOอพ etifoxine and XBD173. Subjects with SPMS will be recruited from neurology clinics at hospitals associated with Imperial College Healthcare NHS Trust. Healthy volunteers will also be recruited in order to provide a comparison to these patients. The volunteers recruited will be invited to the clinical research facility (CRF) at Hammersmith Hospital. The volunteers will take one of the two dr
Sign in to get the eligibility rules as simple questions to take to your doctor.
๐ Eligibility rules (as published)
Inclusion Criteria:
1. Capable of giving written informed consent, which includes compliance with the requirements and restrictions listed in the consent form.
2. Aged 35-65 years old
3. A female subject is eligible to participate if she is a) of non-childbearing potential, defined as pre-menopausal females with a documented tubal ligation or hysterectomy, or postmenopausal defined as 12 months of spontaneous amenorrhea or b) of childbearing potential but not pregnant (as determined by urinary pregnancy test on screening and on each study day) and willing to use one of the contraception methods listed below
4. Male subject must agree to use one of the contraception methods listed above.
5. Willing to abstain from alcohol for the duration of dosing.
6. Expanded Disability Status Scale (EDSS) \>3.5 \<6.5 (SPMS patients only)
Exclusion Criteria:
1. History of active neurological disease other than migraine or MS
2. Clinically meaningful abnormalities in routine bloods including:
* eGFR \< 60ml/min
* Elevation of liver enzymes/bilirubin
* Prolonged prothrombin time
* Thrombocytopenia
3. Use of the following medications or therapies:
* Immunosuppressive or immunomodulatory drugs within the last 6 months
* Alemtuzumab or haematopeotic stem cell therapy
* Central nervous system depressants (including opioid analgesics, barbiturates, sleeping pills, antihistamines, antipsychotics)
* P450 CY3A4 inducers or inhibitors
* oral contraceptives
* oral anticoagulants or antiplatelet agents other than low dose aspirin
* levothyroxine
4. Currently breastfeeding
5. Any clinical significant medical conditions that in the opinion of the investigator would compromise subjects' safety or compliance with study procedures.
6. History of any clinical condition which in the opinion of the principal investigator would compromise the scientific integrity of the study, such as some chronic systemic diseases affecting blood, liver or kidneys or endocrine system
7. Unwillingness or inability to follow the procedures outlined in the protocol
8. Subject is mentally or legally incapacitated
9. Contraindication to XBD173 use:
โข Hypersensitivity to the active substance or to any of the excipients
10. Contraindication to etifoxine use:
* Myasthenia gravis
* syndromes of glucose and galactose malabsorption or lactose deficiency
Imperial College Healthcare NHS Trust
London, United Kingdom
๐ค Taking part is your choice, and you can leave at any time. Only the trial team can confirm you are eligible โ always decide together with your own doctor.
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