Clinical trial NCT03487133: Bortezomib/Dexamethasone Therapy in Patients With Relapsed and/or Refractory Cutaneous T-cell Lymphoma
Official title: A Prospective, Multi-center, Open-label, Single-arm, Phase II Study of Bortezomib/Dexamethasone Therapy in Patients With Relapsed and/or Refractory Cutaneous T-cell Lymphoma
Study type: INTERVENTIONAL
Overall status: COMPLETED
Phase: PHASE2
Conditions: Relapsed and/or Refractory Cutaneous T-cell Lymphoma
Lead sponsor: Samsung Medical Center
Sponsor class: OTHER
First posted: 2018-04-03
Enrollment: 32
Sex: ALL
Minimum age (years): 19
Maximum age (years): 80
Standard ages: ADULT
OLDER_ADULT
Accepts healthy volunteers: no
Allocation: NA
Intervention model: SINGLE_GROUP
Primary purpose: TREATMENT

Brief summary: the efficacy and safety of bortezomib / dexamethasone combination therapy in patients with relapsed or refractory T-cell lymphoma who have failed one or more treatments.

* primary purpose

  1. Overall response rate
* secondary purpose

  1. Progression-free survival and overall survival
  2. Disease stabilization ratio
  3. Duration of reaction
  4. Safety Profile
  5. Experiments on response prediction / immunological markers

Detailed description: In a Phase II study in patients with previous T-cell lymphoma, bortezomib was administered at a dose of 1.6 mg / m 2 on Day 1 and Day 8, and combined with CHOP (cyclophosphamide, doxorubicin, vincristine and prednisolone) chemotherapy . The 1.6 mg / m2 dose of bortezomib was obtained through phase 1 studies, and the Phase II study included five patients with skin T-cell lymphoma, with an overall response rate of 87%. In addition, there was no significant increase in toxicity when bortezomib was administered at 1.6 mg / m2 every week. The fact that there was no increase in toxicity in combination with a drug commonly used to induce peripheral neuropathy, such as vincristine, / m2 suggests the safety of the dosage at 1 week intervals.Therefore, in order to improve the convenience of administration with once-weekly dosing, this study combined 1.6 mg / m2 every week for 1 week, 2 weeks, and 3 weeks in a 4-week cycle, The dose was determined by a single dose.In addition, it is known that the main dose-limiting toxicity of subcutaneous injection is significantly reduced in peripheral neuropathy, so the route of administration was determined to be via subcutaneous administration (18).Considering that one of the major difficulties in remediation of skin T-cell lymphoma is the short duration of the response after termination of treatment, the subjects who were considered to have a response to the test drug, that is, those who acquired a stable lesion response after 8 cycles of induction therapy The test was designed so that maintenance therapy can be performed up to one year.Even with one year of maintenance therapy, there is no safety concern since the cumulative dose of the test drug is not higher than the cumulative dose currently used as the primary treatment for multiple myeloma.

Eligibility criteria: Inclusion Criteria:

* Histologically diagnosed subcutaneous skin T-cell lymphoma based on the WHO(World Health Organization)-EORTC classification (mycosis fungoides, Sezary syndrome,primary cutaneous anaplastic large cell lymphoma,lymphomatoid papulosis,primary cutaneous peripheral T-cell lymphoma, unspecified)
* Male and female patients aged 19-80
* ECOG(Eastern Cooperative Oncology Group performance) 0\~2
* Presence of measurable lesion according to ISCL(International Society for Cutaneous Lymphomas)-USCLC(United States Cutaneous Lymphoma Consortium)-EORTC(European Organization of Research and Treatment of Cancer) recommendation
* If one or more of the previous treatments fails or has recurred / progressed
* Proper function status of bone marrow, kidney, liver
* All toxic effects due to previous treatment have been resolved to CTCAE 4.03 version 1 or lower
* For pregnant women, the result of pregnancy test is negative. (The pregnant female patient should have effective contraception during the treatment period and for one month thereafter) (ie, hormonal contraceptive device, intrauterine device, diaphragm with spermicide, condom with spermicide, or abstinence) Men should use effective contraception during the treatment period and for three months thereafter.)
* Patients who are expected to follow and comply with the clinical trial protocol at the discretion of the tester
* Patients who voluntarily agreed to participate in this trial and signed a consent form
* Patients who agreed to donate a sample of peripheral lesions (10 unstained slides) and 3 ml of peripheral blood after baseline and cycle 8

Exclusion Criteria:

* Patients undergoing chemotherapy at the time of clinical trials
* Patients who are undergoing radiotherapy at the time of their participation in the trial or who received radiotherapy within the first 6 months of the trial. However, patients who have additional lesions elsewhere in the main lesion may be eligible for clinical trials if they have completed local radiotherapy as a palliative treatment prior to the administration of the drug, and recovered from the resulting toxicity.
* Patients with symptomatic or uncontrolled angina and congestive heart failure, arrhythmia requiring drug therapy, significant risk of clinically significant myocardial infarction within 6 months prior to participation in this trial
* Patients with stable left ventricular ejection fraction less than the normal lower limit of each organ.
* Adverse Reactions Common Terminology Criteria 4.03 In case of infection in excess of grade 2 according to the standards. Hepatitis B is allowed if there is no active replication (HBV DNA\> 20,000 iU / mL associated with ALT(alanine aminotransferase) exceeding twice the normal upper limit).
* If there is active infection, including severe concomitant disease and / or active hepatitis C and human immunodeficiency virus infection
* Patients who received chemotherapy, surgical treatment (permissive for mild surgical treatment) within 4 weeks of the administration of this drug
* History of allogeneic transplantation (including hematopoietic stem cell transplantation)
* Patients with a malignant tumor other than the target disease. However, the following cases are allowed.If you have not received treatment for the tumor for at least 5 years or have no disease,Complete resection of basal cell carcinoma / squamous cell carcinoma or at least 1 year after successful treatment of cervical intraepithelial cancer
* Adverse reactions within 30 days prior to the start of screening Common Grade Criteria 4.03 Severe gastrointestinal bleeding in excess of grade 2
* The occurrence of thrombosis or embolism within 6 months before screening
* Patients with central nervous system involvement.
* Pregnant, lactating, or reproductive women who are not willing to use appropriate contraception during the trial
* Unstable conditions that may impair patient safety and compliance with the test
* Patients with seizure disorders requiring medication
* If you have substance abuse, medical, mental or social illnesses that may interfere with the patient's participation in the clinical trial or the evaluation of clinical trial results
* Patients with a history of hypersensitivity to Drug or Drug component (bortezomib, boron, mannitol, dexamethasone)
* Patients with Acute Diffuse Invasive Pulmonary Disease and Cardiovascular Disease

Primary outcomes:
measure: Overall response rate of tumor
timeFrame: Through study completion, an average of 3 years
Secondary outcomes:
measure: progressive-free survival
timeFrame: From date of enrollment until the date of first documented progression or date of death from any cause, whichever came first, assessed up to 72 months
measure: Disease stabilization rate
timeFrame: An average of 6 years
measure: Duration of response
timeFrame: From date of enrollment until the date of first documented progression or date of death from any cause, whichever came first, assessed up to 72 months
Other outcomes:
Locations:
city: Seoul
country: Korea, Republic of
facility: Samsung medical center
state: Gang Nam
Study officials:
affiliation: 81, Irwon-Ro, Gangnam-Gu, Seoul, Korea 135-710
name: Seok Jin Kim
role: STUDY_CHAIR
References:
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