AnemiaPhase 1NCT00001533
Treatment of T-Large Granular Lymphocyte (T-LGL) Lymphoproliferative Disorders With Cyclosporine
A Phase 1 study testing cyclosporine in people with Anemia and Leukemia, T-Cell, run by National Heart, Lung, and Blood Institute (NHLBI) at 1 site in United States.
Trial summary
T Cell Large Granular Lymphocyte (T-LGL) Lymphoproliferative Disorders are a heterogeneous group of uncommon diseases which may involve a polyclonal or a monoclonal T cell population, which bear characteristic surface markers corresponding to activated cytotoxic (CD3+, CD8+) lymphocytes. Read more about this study
- Who is it for?
- Any age
- Conditions the study is for
- Anemia, Leukemia, T-Cell, Lymphocytosis
- What is being tested?
- cyclosporine
- How many people
- 25 participants
- Where
- 1 siteUnited States
- Study dates
- Sep 1996to Sep 2000
- 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 Any age
- All sexes
- No healthy volunteers
- Child, Adult, Older adult
Patients must be greater than or equal to 18 years of age.
Peripheral blood absolute LGL count of greater than or equal to 300/ul (performed on a manual differential), with LGL cells having the characteristic appearance of large lymphocytes with abundant pale blue cytoplasm, with or without a perinuclear clear zone, with varying degrees of azurophilic granules.
Immunophenotypic studies of peripheral blood showing an increased population of T-LGL (Staining for: CD3, CD8, and either CD16 or CD57+/- CD56).
Severe neutropenia (less than or equal to 500 neutrophils/uL of peripheral blood), or severe thrombocytopenia (less than or equal to 20,000 platelets/uL, or moderate thrombocytopenia (less than or equal to 50,000 platelets/uL with active bleeding , or anemia (hemoglobin less than or equal to 9 gm/dL), or red blood cell transfusion requirement of greater than or equal to 2 units/month for two months prior to initiation of CsA treatment.
Patients must not have had previous treatment with CsA or FK506.
Patients must not have a reactive LGL lymphocytosis to a viral infection.
Patients must not have a ECOG performance status of greater than 3.
Patients must not be currently pregnant, or unwilling to take oral contraceptives unless postmenopausal.
Mothers must not be breast feeding.
Patients must be able to give informed consent.
Patients must not be HIV positive.
Trial locations and contacts
1 site in 1 country.
United States1 site
National Heart, Lung and Blood Institute (NHLBI)
Bethesda, Maryland, 20892
About this study
T Cell Large Granular Lymphocyte (T-LGL) Lymphoproliferative Disorders are a heterogeneous group of uncommon diseases which may involve a polyclonal or a monoclonal T cell population, which bear characteristic surface markers corresponding to activated cytotoxic (CD3+, CD8+) lymphocytes. They are often associated with quite severe neutropenia, anemia, and thrombocytopenia which may be life-threatening. There is some evidence that the abnormal cytotoxic lymphocyte population may cause the cytopenias by suppressing hematopoiesis, although the mechanism is unclear. Case reports suggest that immunosuppressive therapy directed toward T cells may reverse the cytopenia. This pilot study involving up to 25 patients evaluates the clinical response to cyclosporine, an immunosuppressive drug, and seeks to elucidate the mechanism underlying the cytopenia.
Read the detailed description
T Cell Large Granular Lymphocyte (T-LGL) Lymphoproliferative Disorders are a heterogeneous group of uncommon diseases which may involve a polyclonal or a monoclonal T cell population, which bear characteristic surface markers corresponding to activated cytotoxic (CD3+, CD8+) lymphocytes. They are often associated with quite severe neutropenia, anemia, and thrombocytopenia which may be life-threatening. There is some evidence that the abnormal cytotoxic lymphocyte population may cause the cytopenias by suppressing hematopoiesis, although the mechanism is unclear. Case reports suggest that immunosuppressive therapy directed toward T cells may reverse the cytopenia. This pilot study involving up to 25 patients evaluates the clinical response to cyclosporine, an immunosuppressive drug, and seeks to elucidate the mechanism underlying the cytopenia.
- Conditions
- Anemia, Leukemia, T-Cell, Lymphocytosis, Neutropenia, Thrombocytopenia
- Being tested
- cyclosporine
- Keywords
- Anemia, Chronic T Cell Lymphocytosis with Neutropenia, Immunosuppression, Neutropenia, T-LGL Leukemia
- Medical subject headings
- Anemia, Leukemia, T-Cell, Lymphocytosis, Neutropenia, Thrombocytopenia, Leukemia, Large Granular Lymphocytic
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
cyclosporineDrug
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted10 Dec 2002 (estimated)
- Study startSep 1996
- Study completionSep 2000
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 AnemiaStudies of the same condition, open and under way.
- More trials run by National Heart, Lung, and Blood Institute (NHLBI)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
- 25 participants
Sponsor and investigators
- Sponsor type
- US National Institutes of Health
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00001533
- Sponsor's protocol ID
- 960142
- Other IDs
- 96-H-0142
- Status last verified
- Oct 1999
- First submitted
- 3 Nov 1999
- Last updated
- 17 Jul 2006
- Results posted
- No
Publications
Loughran TP Jr. Clonal diseases of large granular lymphocytes. Blood. 1993 Jul 1;82(1):1-14.
PubMed 8324214Witzig TE, Weitz JJ, Lundberg JH, Tefferi A. Treatment of refractory T-cell chronic lymphocytic leukemia with purine nucleoside analogues. Leuk Lymphoma. 1994 Jun;14(1-2):137-9. doi: 10.3109/10428199409049659.
PubMed 7920220Gabor EP, Mishalani S, Lee S. Rapid response to cyclosporine therapy and sustained remission in large granular lymphocyte leukemia. Blood. 1996 Feb 1;87(3):1199-200. No abstract available.
PubMed 8562948
Study at a glance
From the registry record, last updated by the sponsor on 17 Jul 2006. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Treatment of T-Large Granular Lymphocyte (T-LGL) Lymphoproliferative Disorders With Cyclosporine
- ClinicalTrials.gov ID
- NCT00001533
- Acronym / sponsor ID
- 960142
- Conditions
- Anemia, Leukemia, T-Cell, Lymphocytosis, Neutropenia, Thrombocytopenia
- Keywords
- Anemia, Chronic T Cell Lymphocytosis with Neutropenia, Immunosuppression, Neutropenia, T-LGL Leukemia
- Phase
- Phase 1
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 25 participants
- Lead sponsor
- National Heart, Lung, and Blood Institute (NHLBI)US National Institutes of Health
- Study start
- Sep 1996
- Study completion
- Sep 2000
- First posted
- 10 Dec 2002 (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.
T Cell Large Granular Lymphocyte (T-LGL) Lymphoproliferative Disorders are a heterogeneous group of uncommon diseases which may involve a polyclonal or a monoclonal T cell population, which bear characteristic surface markers corresponding to activated cytotoxic (CD3+, CD8+) lymphocytes. They are often associated with quite severe neutropenia, anemia, and thrombocytopenia which may be life-threatening. There is some evidence that the abnormal cytotoxic lymphocyte population may cause the cytopenias by suppressing hematopoiesis, although the mechanism is unclear. Case reports suggest that immunosuppressive therapy directed toward T cells may reverse the cytopenia. This pilot study involving up to 25 patients evaluates the clinical response to cyclosporine, an immunosuppressive drug, and seeks to elucidate the mechanism underlying the cytopenia.
Detailed description
T Cell Large Granular Lymphocyte (T-LGL) Lymphoproliferative Disorders are a heterogeneous group of uncommon diseases which may involve a polyclonal or a monoclonal T cell population, which bear characteristic surface markers corresponding to activated cytotoxic (CD3+, CD8+) lymphocytes. They are often associated with quite severe neutropenia, anemia, and thrombocytopenia which may be life-threatening. There is some evidence that the abnormal cytotoxic lymphocyte population may cause the cytopenias by suppressing hematopoiesis, although the mechanism is unclear. Case reports suggest that immunosuppressive therapy directed toward T cells may reverse the cytopenia. This pilot study involving up to 25 patients evaluates the clinical response to cyclosporine, an immunosuppressive drug, and seeks to elucidate the mechanism underlying the cytopenia.
Study design
- Primary purpose
- Treatment
Who may qualify
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Child, Adult, Older adult
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 |
|---|---|---|
| cyclosporine | 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 17 Jul 2006.
- Background: PubMed 8324214Loughran TP Jr. Clonal diseases of large granular lymphocytes. Blood. 1993 Jul 1;82(1):1-14.
- Background: PubMed 7920220Witzig TE, Weitz JJ, Lundberg JH, Tefferi A. Treatment of refractory T-cell chronic lymphocytic leukemia with purine nucleoside analogues. Leuk Lymphoma. 1994 Jun;14(1-2):137-9. doi: 10.3109/10428199409049659.
- Background: PubMed 8562948Gabor EP, Mishalani S, Lee S. Rapid response to cyclosporine therapy and sustained remission in large granular lymphocyte leukemia. Blood. 1996 Feb 1;87(3):1199-200. No abstract available.
Related trials for Anemia
RecruitingPhase 1/2
The Safety and Efficacy of Daratumumab in Patients With Refractory Aplastic Anemia
Aplastic Anemia, Refractory
Active, not recruitingPhase 1
A Study of YTS109 Cell Injection in Subjects With Relapsed/Refractory Autoimmune Hemolytic Anemia
Autoimmune Hemolytic Anemia, Anti-CD19 STAR T-cell Therapy
Not yet recruitingObservational study
Systematic Intraoperative Cell Salvage in On-Pump Cardiac Surgery Within a Mature Patient Blood Management Programme
Cardiac Surgical Procedures, Blood Transfusion
RecruitingPhase 1/2
Pacritinib, a Kinase Inhibitor of CSF1R, IRAK1, JAK2, and FLT3, in Adults and Pediatric Participants 12 Years of Age or Older With Myelodysplastic Syndromes or Myelodysplastic/Myeloproliferative Neoplasms
Myelodysplastic Syndromes
RecruitingObservational study
Defining the Natural History of Squamous Cell Carcinoma in Fanconi Anemia
Fanconi Anemia, Inherited Bone Marrow Failure Syndrome
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.
The record lists no contact. Use the official record to reach the sponsor.
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 cyclosporine in people with Anemia and Leukemia, T-Cell, run by National Heart, Lung, and Blood Institute (NHLBI) at 1 site in United States.
The full registered description is in the About this study section and the official record.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 17 Jul 2006. 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 NCT00001533, 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 17 Jul 2006.