HTLV-1Phase 1NCT00076843
Hu Mik-Beta-1 to Treat HTLV-1-Associated Myelopathy/Tropical Spastic Paraparesis
A Phase 1 study testing Hu MiK-Beta-1 in people with HTLV-1, run by National Institute of Neurological Disorders and Stroke (NINDS) at 1 site in United States.
Trial summary
This study will examine the use of the humanized Mik-Beta-1 (Hu Mik-(SqrRoot) 1) monoclonal antibody in patients with HTLV-1-associated myelopathy/tropical spastic paraparesis (HAM/TSP). Read more about this study
- Who is it for?
- Ages 18 years and older
- Conditions the study is for
- HTLV-1
- What is being tested?
- Hu MiK-Beta-1
- How many people
- 9 participants
- Where
- 1 siteUnited States
- Study dates
- 3 Feb 2004to 25 Jun 2019
- Phase
- Phase 1
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 years and older
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- Patients must be at least 18 years old.
- Patients must have a diagnosis of HAM/TSP as defined by the WHO criteria, including a positive HTLV-I EIA and confirmatory pattern on Western Blot analysis. Other causes of chronic progressive myelopathy are excluded by tests for serum B12 level, Lyme disease serologies, RPR, anti-nuclear antibody (ANA), extractable nuclear antigen (ENA) screen and magnetic resonance images of brain and spinal cord.
- At least 7% of each patient's peripheral blood mononuclear cell population must react with anti-CD122 immunofluorescent cell staining.
- Spontaneous lymphoproliferation and HTLV-I specific cytotoxic T lymphocyte responses must be demonstrated by the patient's peripheral blood mononuclear cells in ex vivo culture.
- Patients must be willing to comply with all aspects of the dosing and evaluation procedure including taking the required medications and should be willing to return for the follow-up visits.
- Patients must be able to provide written, informed consent prior to any testing under this protocol, including screening and baseline investigations that are not considered part of routine patient care.
Who cannot join
- EDSS greater than or equal to 7 (unable to walk beyond approximately 5 meters even with aid, essentially restructed to wheelchair).
- Any contraindication to monoclonal antibody therapy, including serious adverse events related to prior monoclonal antibody therapy. Patients who have received prior antibody therapy will have pertinent medical records reviewed by the study investigator. Subjects with prior monoclonal antibody use (especially murine MiK- Beta 1) and allergy/sensitivity to murine MiK- Beta 1 are excluded.
- Any vaccination within 30 days prior to study entry.
- Any chronic bacterial, mycobacterial, other viral (e.g. herpes virus), fungal, parasitic or protozoal infection.
- History of malignancy (active or within the previous 5 years).
- History or signs of immunodeficiency
Show all 44Show fewer
- Subjects with pre-existing cardiac disease, abnormal baseline echocardiogram or significantly abnormal ECG will undergo evaluation by a cardiologist, and will be excluded if, in the opinion of the cardiologist, participation in the study would compromise the safety of the patient.
- Subjects with history or laboratory evidence of thrombosis or hypercoagulable state.
- Concurrent medical condition that in the opinion of the investigator would compromise the safety of the patient.
- HAM/TSP patients with co-existing HTLV-I associated medical conditions, such as uveitis, alveolitis or keratoconjunctivitis sicca are not excluded unless, in the opinion of the investigator, participation in the protocol would compromise the safety of the patient. However, patients with clinically significant co-morbid neuromuscular conditions such as inflammatory myopathies and neuropathies are excluded.
- Patients with cognitive impairment who are unable to provide written, informed consent.
- The patient has received an investigational drug for this condition within 6 months prior to entering the study.
- Contraindication to prophylactic anticoagulation with low molecular weight heparin such as history of hypersensitivity to enoxaparin, haparin, pork products, or any component of the formulation (including benzyl alcohol in multiple-dose vials); thrombocytopenia associated with a positive in vitro test for antiplatelet antibodies in the presence of enoxaparin
- The patient requires concurrent therapy with other immuno-modulating agents including interferons, corticosteroids and daclizumab.
- Serious illness requiring systemic treatment and /or hospitalization until the subject either completes therapy or is clinically stable (in the opinion of the investigator) on therapy for at least 14 days prior to the first dose.
- Abnormal screening/baseline tests exceeding any of the limits defined below:
- Total white blood cell count less than 3000/mm(3)
- Platelet count less than 85,000/mm(3)
- INR greater than or equal to 1.5
- Serum creatinine level greater than 1.5 mg/dL
- Serum alanine transaminase or aspartate transaminase levels which are greater than two times the upper limit of normal values.
- Serum creatine kinase levels that are greater than two times the upper limit of normal values.
- Serological evidence of HIV, HTLV-II, hepatitis B or C.
- Positive pregnancy test
- Positive PPD
- Positive RPR
- Positive rheumatoid factor
- Abnormal TSH
- Abnormal B12 or folate levels
- Positive Lyme ELISA or Western Blot
- Positive lupus anticoagulant
- Results of any of the following tests suggestive of an alternative diagnosis that can fully account for the clinical presentation:
- Positive RPR
- Positive rheumatoid factor
- Abnormal TSH
- Abnormal B12 or folate levels
- Positive Lyme ELISA or Western Blot
- Positive lupus screen (ANA/ENA)
- Pregnant or lactating patients
- Women who are not using an acceptable method of contraception. Acceptability of various methods of contraception will be determined by the investigator. Postmenopausal or surgically sterile women must have documentation of postmenopausal status or surgical sterility available prior to enrollment.
- Men who are not practicing adequate contraception. Acceptability of various methods of contraception will be determined by the investigator. Surgically sterile men must have documentation of surgical sterility available prior to enrollment.
- Active drug or alcohol use or dependence that in the opinion of the investigator would interfere with adherence to study requirements.
- Unwillingness or inability to comply with the requirements of this protocol including the presence of any condition (physical, mental or social) that is likely to affect the patient returning for follow-up visits on schedule.
- Subjects who withdraw from this study may not re-enter. Patients who have received prior investigational therapy for HAM/TSP including daclizumab and interferon must be off the investigational therapy for 6 months prior to enrollment.
Trial locations and contacts
1 site in 1 country.
United States1 site
National Institutes of Health Clinical Center, 9000 Rockville Pike
Bethesda, Maryland, 20892
About this study
Official title: Phase I Study of HTLV-I-Associated Myelopathy/Tropical Spastic Paraparesis (HAM/TSP) Using the Humanized MiK-Beta-1 Monoclonal Antibody Directed Toward the IL-2L-15R-Beta; Subunit (CD122) That Blocks IL-15 Action
This study will examine the use of the humanized Mik-Beta-1 (Hu Mik-(SqrRoot) 1) monoclonal antibody in patients with HTLV-1-associated myelopathy/tropical spastic paraparesis (HAM/TSP). Some patients infected with the human T-lymphotropic virus type 1 (HTLV-1) virus develop HAM/TSP, a disease in which the immune response to HTLV-1 becomes directed against the person's own body in what is called an autoimmune response. Hu-Mik-Beta-1 is a genetically engineered antibody that blocks the action of a chemical produced by the body during infection or inflammation called interleukin 15 (IL-15). Blocking IL-15 may prevent the autoimmune response that results in HAM/TSP.
Patients 18 years of age and older with HAM/TSP may be eligible for this study. Candidates are screened with a medical history and physical examination, blood and urine tests, and an electrocardiogram. Participants undergo the following procedures:
Read more
- Baseline visit(s): Repeat physical examination and blood and urine tests, as well as the following:
- Lumbar puncture: A local anesthetic is injected to numb the skin of the lower back. A needle is inserted in the space between the bones where the cerebrospinal fluid that bathes the brain and spinal cord circulates below the spinal cord. About 4 tablespoons of fluid is collected through the needle.
- Magnetic resonance imaging (MRI): This test uses radio waves and magnets to produce images of body tissues and organs. The patient lies on a table that slides into a metal cylinder surrounded by a strong magnetic field. During part of the scan, a contrast agent is injected to brighten the images.
- Apheresis: This procedure is used to collect large quantities of white blood cells. Whole blood is collected through a needle in an arm vein and directed into a machine that separates it into its components by spinning. The white cells and plasma are removed and the rest of the blood (red cells and platelets) is returned to the body through the same needle.
- Hu Mik-Beta-1 treatment: Infusions of Hu Mik-Beta-1 are given through a vein every 3 weeks for nine doses. The first treatment requires at least an overnight hospital stay; subsequent infusions are given in the outpatient clinic.
- Blood and urine tests and a physical examination at every treatment visit and a skin test at one treatment visit.
- Research tests at the end of the 24-week treatment period, including lumbar puncture (spinal tap), MRI scan, and apheresis.
- After completing treatment, patients have three follow-up clinic visits for blood and urine tests, and a skin test at one follow-up visit.
Read the detailed description
Objectives:
In a phase I trial we wish to determine the toxicity and provide preliminary clinical response information following the administration of humanized MiK-beta-1 (Hu MiK-Beta1), a monoclonal antibody directed toward IL-2/IL-15R Beta (CD122), in patients with HTLV-I-associated myelopathy/tropical spastic paraparesis (HAM/TSP). This antibody blocks the action of IL-15, a cytokine involved in the pathogenesis of HTLV-I associated diseases and autoimmune disorders such as rheumatoid arthritis and multiple sclerosis.
Study Population:
HAM/TSP affects about 1% of patients infected with the human T lymphotropic virus type 1 (HTLV-I), manifesting as progressive myelopathy. Several features of the immune response in HAM/TSP indicate that IL-15 may be critical to its pathogenesis. HTLV-I transactivates IL-15 and IL-15 R alpha expression through its tax protein, and supports the activation of lymphocytes in HAM/TSP, as evidenced by their spontaneous proliferation in ex vivo culture. We showed that the antibody HuMiK-Beta1 could inhibit this spontaneous lymphoproliferation. In addition, IL-15 has been shown to have a preferential positive effect on the survival of CD8+ T-cells, especially those of the memory phenotype. In HAM/TSP, an extraordinarily high frequency of tax specific CD8+ T-cells in the peripheral blood and cerebrospinal fluid is postulated to participate in the damage to the central nervous system. We have demonstrated that the addition of Hu MiK-Beta1 to ex vivo cells from HAM/TSP patients led to a marked decline in tax specific CD8+ T-cells.
Design of the Study and Outcome Parameters
In this single center, open label trial, four subjects with HAM/TSP will receive 0.5 mg/kg Hu MiK-beta1 dosed every three weeks for a total of five doses, and two subjects with HAM/TSP will receive placebo (normal saline) under the same dosing schedule. In addition, following the completion of the 0.5 mg/kg dose administration in four subjects with HAM/TSP, a dose escalation study will be performed with three subjects with HAM/TSP receiving 1.0 mg/kg of Hu MiK-beta1 at three week intervals for a total of five doses per subject, and three subjects with HAM/TSP receiving 1.5 mg/kg of Hu MiK-beta1 at three week intervals for a total of five doses per subject A Total of 10 subjects will receive study drug/placebo. We anticipate consenting up to eighteen subjects to allow for up to eight dropouts. Participants who withdraw voluntarily (not due to toxicity) after initiation of the study are considered dropouts. If this occurs prior to receiving three doses of the study medication the subjects can be replaced and should have three follow-up evaluations at four-week intervals following the last dose of the study drug. Patients who voluntarily drop out after receiving at least 3 doses of the study drug will remain in the study and continue the protocol-specific evaluations. Toxicity will be assessed using standard criteria. The clinical response will be evaluated using standardized scales including expanded disability status scale, Scripps neurologic rating scale and ambulation index. In addition, viral and immunologic outcome measures will include assays of spontaneous lymphoproliferation analysis of HTLV-I tax tetramer specific CD8+ cells, HTLV-I proviral load determination and T-cell phenotype analysis.
- Conditions
- HTLV-1
- Being tested
- Hu MiK-Beta-1
- Keywords
- Interleukin-15, CD8+ T-cells, HAM/TSP, HTLV-1, HTLV-1 Associated Myelopathy, Tropical Spastic Paraparesis
- Medical subject headings
- Paraparesis, Tropical Spastic
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Hu MiK-Beta-1Drug
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted4 Feb 2004 (estimated)
- Study start3 Feb 2004
- Primary completion11 Oct 2017
- Study completion25 Jun 2019
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Publications (3)Papers the sponsor has linked to this study.
- Other trials for HTLV-1Studies of the same condition, open and under way.
- More trials run by National Institute of Neurological Disorders and Stroke (NINDS)The sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase 1
- Primary purpose
- Treatment
- Enrolment
- 9 participants (actual)
Sponsor and investigators
- Sponsor type
- US National Institutes of Health
- Responsible party
- Sponsor
- Investigators
- Steven Jacobson, Ph.D., Principal investigator, National Institute of Neurological Disorders and Stroke (NINDS)
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00076843
- Sponsor's protocol ID
- 040071
- Other IDs
- 04-N-0071
- Status last verified
- 25 Jun 2019
- First submitted
- 12 Jul 2006
- Last updated
- 27 Jun 2019
- Results posted
- No
- FDA-regulated drug
- Yes
- FDA-regulated device
- No
Publications
Gessain A, Gout O. Chronic myelopathy associated with human T-lymphotropic virus type I (HTLV-I). Ann Intern Med. 1992 Dec 1;117(11):933-46. doi: 10.7326/0003-4819-117-11-933.
PubMed 1443956Itoyama Y, Minato S, Kira J, Goto I, Sato H, Okochi K, Yamamoto N. Spontaneous proliferation of peripheral blood lymphocytes increased in patients with HTLV-I-associated myelopathy. Neurology. 1988 Aug;38(8):1302-7. doi: 10.1212/wnl.38.8.1302.
PubMed 2899862Jacobson S, Shida H, McFarlin DE, Fauci AS, Koenig S. Circulating CD8+ cytotoxic T lymphocytes specific for HTLV-I pX in patients with HTLV-I associated neurological disease. Nature. 1990 Nov 15;348(6298):245-8. doi: 10.1038/348245a0.
PubMed 2146511
Study at a glance
From the registry record, last updated by the sponsor on 27 Jun 2019. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Phase I Study of HTLV-I-Associated Myelopathy/Tropical Spastic Paraparesis (HAM/TSP) Using the Humanized MiK-Beta-1 Monoclonal Antibody Directed Toward the IL-2L-15R-Beta; Subunit (CD122) That Blocks IL-15 Action
- ClinicalTrials.gov ID
- NCT00076843
- Acronym / sponsor ID
- 040071
- Conditions
- HTLV-1
- Keywords
- Interleukin-15, CD8+ T-cells, HAM/TSP, HTLV-1, HTLV-1 Associated Myelopathy, Tropical Spastic Paraparesis
- Phase
- Phase 1
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 9 participants (actual)
- Lead sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)US National Institutes of Health
- Study start
- 3 Feb 2004
- Primary completion
- 11 Oct 2017 (actual)
- Study completion
- 25 Jun 2019 (actual)
- First posted
- 4 Feb 2004 (estimated)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
This study will examine the use of the humanized Mik-Beta-1 (Hu Mik-(SqrRoot) 1) monoclonal antibody in patients with HTLV-1-associated myelopathy/tropical spastic paraparesis (HAM/TSP). Some patients infected with the human T-lymphotropic virus type 1 (HTLV-1) virus develop HAM/TSP, a disease in which the immune response to HTLV-1 becomes directed against the person's own body in what is called an autoimmune response. Hu-Mik-Beta-1 is a genetically engineered antibody that blocks the action of a chemical produced by the body during infection or inflammation called interleukin 15 (IL-15). Blocking IL-15 may prevent the autoimmune response that results in HAM/TSP.
Patients 18 years of age and older with HAM/TSP may be eligible for this study. Candidates are screened with a medical history and physical examination, blood and urine tests, and an electrocardiogram. Participants undergo the following procedures:
- Baseline visit(s): Repeat physical examination and blood and urine tests, as well as the following:
- Lumbar puncture: A local anesthetic is injected to numb the skin of the lower back. A needle is inserted in the space between the bones where the cerebrospinal fluid that bathes the brain and spinal cord circulates below the spinal cord. About 4 tablespoons of fluid is collected through the needle.
- Magnetic resonance imaging (MRI): This test uses radio waves and magnets to produce images of body tissues and organs. The patient lies on a table that slides into a metal cylinder surrounded by a strong magnetic field. During part of the scan, a contrast agent is injected to brighten the images.
- Apheresis: This procedure is used to collect large quantities of white blood cells. Whole blood is collected through a needle in an arm vein and directed into a machine that separates it into its components by spinning. The white cells and plasma are removed and the rest of the blood (red cells and platelets) is returned to the body through the same needle.
- Hu Mik-Beta-1 treatment: Infusions of Hu Mik-Beta-1 are given through a vein every 3 weeks for nine doses. The first treatment requires at least an overnight hospital stay; subsequent infusions are given in the outpatient clinic.
- Blood and urine tests and a physical examination at every treatment visit and a skin test at one treatment visit.
- Research tests at the end of the 24-week treatment period, including lumbar puncture (spinal tap), MRI scan, and apheresis.
- After completing treatment, patients have three follow-up clinic visits for blood and urine tests, and a skin test at one follow-up visit.
Detailed description
Objectives:
In a phase I trial we wish to determine the toxicity and provide preliminary clinical response information following the administration of humanized MiK-beta-1 (Hu MiK-Beta1), a monoclonal antibody directed toward IL-2/IL-15R Beta (CD122), in patients with HTLV-I-associated myelopathy/tropical spastic paraparesis (HAM/TSP). This antibody blocks the action of IL-15, a cytokine involved in the pathogenesis of HTLV-I associated diseases and autoimmune disorders such as rheumatoid arthritis and multiple sclerosis.
Study Population:
HAM/TSP affects about 1% of patients infected with the human T lymphotropic virus type 1 (HTLV-I), manifesting as progressive myelopathy. Several features of the immune response in HAM/TSP indicate that IL-15 may be critical to its pathogenesis. HTLV-I transactivates IL-15 and IL-15 R alpha expression through its tax protein, and supports the activation of lymphocytes in HAM/TSP, as evidenced by their spontaneous proliferation in ex vivo culture. We showed that the antibody HuMiK-Beta1 could inhibit this spontaneous lymphoproliferation. In addition, IL-15 has been shown to have a preferential positive effect on the survival of CD8+ T-cells, especially those of the memory phenotype. In HAM/TSP, an extraordinarily high frequency of tax specific CD8+ T-cells in the peripheral blood and cerebrospinal fluid is postulated to participate in the damage to the central nervous system. We have demonstrated that the addition of Hu MiK-Beta1 to ex vivo cells from HAM/TSP patients led to a marked decline in tax specific CD8+ T-cells.
Design of the Study and Outcome Parameters
In this single center, open label trial, four subjects with HAM/TSP will receive 0.5 mg/kg Hu MiK-beta1 dosed every three weeks for a total of five doses, and two subjects with HAM/TSP will receive placebo (normal saline) under the same dosing schedule. In addition, following the completion of the 0.5 mg/kg dose administration in four subjects with HAM/TSP, a dose escalation study will be performed with three subjects with HAM/TSP receiving 1.0 mg/kg of Hu MiK-beta1 at three week intervals for a total of five doses per subject, and three subjects with HAM/TSP receiving 1.5 mg/kg of Hu MiK-beta1 at three week intervals for a total of five doses per subject A Total of 10 subjects will receive study drug/placebo. We anticipate consenting up to eighteen subjects to allow for up to eight dropouts. Participants who withdraw voluntarily (not due to toxicity) after initiation of the study are considered dropouts. If this occurs prior to receiving three doses of the study medication the subjects can be replaced and should have three follow-up evaluations at four-week intervals following the last dose of the study drug. Patients who voluntarily drop out after receiving at least 3 doses of the study drug will remain in the study and continue the protocol-specific evaluations. Toxicity will be assessed using standard criteria. The clinical response will be evaluated using standardized scales including expanded disability status scale, Scripps neurologic rating scale and ambulation index. In addition, viral and immunologic outcome measures will include assays of spontaneous lymphoproliferation analysis of HTLV-I tax tetramer specific CD8+ cells, HTLV-I proviral load determination and T-cell phenotype analysis.
Study design
- Primary purpose
- Treatment
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (6 listed)
- Patients must be at least 18 years old.
- Patients must have a diagnosis of HAM/TSP as defined by the WHO criteria, including a positive HTLV-I EIA and confirmatory pattern on Western Blot analysis. Other causes of chronic progressive myelopathy are excluded by tests for serum B12 level, Lyme disease serologies, RPR, anti-nuclear antibody (ANA), extractable nuclear antigen (ENA) screen and magnetic resonance images of brain and spinal cord.
- At least 7% of each patient's peripheral blood mononuclear cell population must react with anti-CD122 immunofluorescent cell staining.
- Spontaneous lymphoproliferation and HTLV-I specific cytotoxic T lymphocyte responses must be demonstrated by the patient's peripheral blood mononuclear cells in ex vivo culture.
- Patients must be willing to comply with all aspects of the dosing and evaluation procedure including taking the required medications and should be willing to return for the follow-up visits.
Key exclusion criteria (44 listed)
- EDSS greater than or equal to 7 (unable to walk beyond approximately 5 meters even with aid, essentially restructed to wheelchair).
- Any contraindication to monoclonal antibody therapy, including serious adverse events related to prior monoclonal antibody therapy. Patients who have received prior antibody therapy will have pertinent medical records reviewed by the study investigator. Subjects with prior monoclonal antibody use (especially murine MiK- Beta 1) and allergy/sensitivity to murine MiK- Beta 1 are excluded.
- Any vaccination within 30 days prior to study entry.
- Any chronic bacterial, mycobacterial, other viral (e.g. herpes virus), fungal, parasitic or protozoal infection.
- History of malignancy (active or within the previous 5 years).
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Hu MiK-Beta-1 | Drug | – |
Primary outcome
Not reported in the source record.
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 27 Jun 2019.
- Background: PubMed 1443956Gessain A, Gout O. Chronic myelopathy associated with human T-lymphotropic virus type I (HTLV-I). Ann Intern Med. 1992 Dec 1;117(11):933-46. doi: 10.7326/0003-4819-117-11-933.
- Background: PubMed 2899862Itoyama Y, Minato S, Kira J, Goto I, Sato H, Okochi K, Yamamoto N. Spontaneous proliferation of peripheral blood lymphocytes increased in patients with HTLV-I-associated myelopathy. Neurology. 1988 Aug;38(8):1302-7. doi: 10.1212/wnl.38.8.1302.
- Background: PubMed 2146511Jacobson S, Shida H, McFarlin DE, Fauci AS, Koenig S. Circulating CD8+ cytotoxic T lymphocytes specific for HTLV-I pX in patients with HTLV-I associated neurological disease. Nature. 1990 Nov 15;348(6298):245-8. doi: 10.1038/348245a0.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Steven Jacobson, Ph.D. principal investigator
National Institute of Neurological Disorders and Stroke (NINDS)
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 1 study testing Hu MiK-Beta-1 in people with HTLV-1, run by National Institute of Neurological Disorders and Stroke (NINDS) at 1 site in United States.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 6 inclusion and 44 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 27 Jun 2019. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
What does this phase mean?
Phase 1 studies test a treatment in a small group of people for the first time or in a new way, mainly to check safety and find the right dose.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT00076843, which also lists 3 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 27 Jun 2019.