TriangleNCT01871727 · CITED IN SOURCE DOCUMENTS
A Trial of E7777 in Persistent and Recurrent Cutaneous T-Cell Lymphoma
An NCI or FDA source cites this study. A citation does not establish that it applies to an individual diagnosis.
- Phase
- PHASE3
- Status at capture
- COMPLETED
- Registry last update
- 2024-11-13
The purpose of this trial is to assess the efficacy of E7777 in participants with recurrent or persistent Cutaneous T-Cell Lymphoma (CTCL) in Stage I - III participants as assessed by objective response rate (ORR). A lead-in dose-finding part was used to determine dose level 9 microgram per kilogram (mcg/kg) E7777 that is being used to test efficacy and safety.
Open the original ClinicalTrials.gov record → · Download preserved record
What did the study report?
Outcomes, safety and baseline populations are separate source sections. Quality-of-life measures appear under their original outcome titles.
Participant flow
Baseline characteristics
Lead-In Part: Number of Participants With Dose-limiting Toxicities (DLTs) as Per National Cancer Institute Common Terminology Criteria for Adverse Events Version 4.03 (NCI CTCAE v4.03)
Lead-In Part: Maximum Tolerated Dose (MTD) of E7777
Main Study Part: Objective Response Rate (ORR) by Independent Review Committee (IRC) Based on Olsen 2011 Criteria
Lead-In Part: Duration of Response (DOR) Per Investigator Assessment
Main Study Part: Duration of Response (DOR) Per Independent Review Committee
Lead-In Part: Time to Response (TTR) Per Investigator Assessment
Main Study Part: Time to Response (TTR) Per Independent Review Committee
Lead-In Part and Main Study Part: ORR Per Investigator Assessment
Main Study Part: ORR Per IRC Based on Prince 2010 Criteria
Lead-In Part and Main Study Part: Number of Participants With Treatment-emergent Adverse Events (TEAEs) and Serious Adverse Events (SAEs)
Lead-In Part: Maximum Serum Concentration (Cmax) of E7777
Main Study Part: Maximum Serum Concentration (Cmax) of E7777
Lead-In Part: Area Under the Curve From Time 0 to Time t (AUC[0-t]) of E7777
Main Study Part: Area Under the Curve From Time 0 to Time t (AUC[0-t]) of E7777
Lead-In Part: Area Under the Curve From Time 0 to Time Infinity (AUC[0-inf]) of E7777
Main Study Part: Area Under the Curve From Time 0 to Time Infinity (AUC[0-inf]) of E7777
Lead-In Part: Terminal Elimination Half-life (t1/2) of E7777
Main Study Part: Terminal Elimination Half-life (t1/2) of E7777
Lead-In Part: Time to Reach Maximum (Peak) Concentration After Drug Administration (Tmax)
Main Study Part: Time to Reach Maximum (Peak) Concentration After Drug Administration (Tmax)
Lead-In Part: Total Body Clearance (CL) of E7777
Main Study Part: Total Body Clearance (CL) of E7777
Lead-In Part: Volume of Distribution at Steady State (Vdss) of E7777
Main Study Part: Volume of Distribution at Steady State (Vdss) of E7777
Lead-In Part: Percentage of Participants Testing Positive for Anti-E7777 and Anti-interleukin (IL)-2 Antibodies
Main Study Part: Percentage of Participants Testing Positive for Anti-E7777 and Anti-IL-2 Antibodies
Main Study Part: Number of Participants With Objective Skin Response
Main Study Part: Duration of Skin Response
Main Study Part: Time to Skin Response
Adverse events
Limitations, agreements, and source contact
Who could take part
- eligibility Criteria
- Inclusion Criteria: Participants must meet all of the following criteria to be included in the study: 1. Age greater than or equal to 18 years. 2. Histopathologic diagnosis of CTCL (mycosis fungoides \[MF\] or Sezary Syndrome \[SS\]), confirmed by skin biopsy, or lymph node, or blood assessment, of current disease. 3. CD25 assay-positive tumor, defined as detectable CD25 on greater than or equal to 20% of total lymphoid infiltrate in biopsied lesions by immunohistochemistry. 4. CTCL disease stage at study entry as follows, according to ISCL/EORTC (Olsen 2011). * Lead-In Part: Stage IA - IV, except participants with CNS involvement. * Main Study: Stage I - III 5. History of prior therapies for CTCL: must have had prior therapy, any number of prior therapies allowed. Topical treatments (except topical chemotherapy) and steroids are not considered as prior therapies. 6. A minimum washout period of 4 weeks after previous CTCL therapy is recommended before the first dose of E7777. Participants must have recovered from any adverse effects from any previous CTCL therapy to Common Terminology Criteria for Adverse Events (CTCAE) Grade \<2 before starting study drug. A shorter washout may be allowed if participant is experiencing progressive disease despite ongoing treatment. 7. Eastern Cooperative Oncology Group (ECOG) performance status 0, 1, or 2 in the Lead-In Part and performance status of 0 or 1 in the Main Study. 8. Life expectancy greater than or equal to 3 months in the Lead-In Part and greater than or equal to 12 months in the Main Study. 9. Adequate bone marrow reserves as evidenced by: * platelets greater than or equal to 100,000/mm\^3 (100 x 10\^9/L) * clinically stable hemoglobin greater than or equal to 9 gram per deciliter (g/dL) (90 g/L) and hematocrit greater than or equal to 27% without transfusion support 10. Normal hepatic function as evidenced by: * bilirubin \<= 1.5\* upper limit if normal (ULN) and alkaline phosphatase \<=3.0\*ULN * aspartate aminotransferase (AST) and alanine aminotransferase (ALT) \<= 3.0\*ULN * albumin \>= 3.0 g/dL (30 g/L) 11. Adequate renal function as evidenced by serum creatinine less than or equal to 1.8 mg/dL (158 umol/L) or calculated creatinine clearance greater than or equal to 50 mL/min (per the Cockcroft-Gault formula) with less than 2+ protein or 24- hour urine creatinine clearance greater than or equal to 50 mL/minute with 24- hour urine protein less than 1gram. 12. Provide written informed consent prior to any study-specific screening procedures. 13. Females may not be lactating or pregnant at Screening or Baseline 14. All females will be considered to be of childbearing potential unless they are postmenopausal or have been sterilized surgically 15. Male participants must have had a successful vasectomy (confirmed azoospermia) or they and their female partner must meet the criteria above Exclusion Criteria Participants who meet any of the following criteria will be excluded from the study: 1. Prior denileukin diftitox therapy 2. Use of topical steroids within 14 days of Day 1 of initial therapy is not allowed.Topical steroids or systemic low dose steroids of less than or equal to 10 milligram per day (mg/day) prednisone are allowed in participants with erythroderma who have been on corticosteroids for a prolonged period of time and where discontinuation may lead to rebound flare in disease. The concomitant steroid medication is allowed as long as the type of steroid, route of administration, and steroid dose remain the same as what the participant had been receiving for a prolonged period of time. 3. Active malignancy (except for CTCL, definitively treated basal or squamous cell carcinoma of the skin, and carcinoma in-situ of the cervix) within the past 24 months. 4. Serious intercurrent illness 5. Significant cardiac disease requiring ongoing treatment, including congestive heart failure (CHF), severe coronary artery disease (CAD), cardiomyopathy, uncontrolled cardiac arrhythmia, unstable angina pectoris, or myocardial infarction (MI) 6. Significant pulmonary symptoms or disease 7. History of uncontrolled seizure disorder or active central nervous system disease 8. Major surgery within 2 weeks of study enrollment 9. Significant or uncontrolled infections requiring systemic anti-infective therapy 10. Known human immunodeficiency virus (HIV) infection; known active hepatitis B or hepatitis C infection 11. Females who are pregnant (positive urine test) or breastfeeding 12. Any history of a medical condition or a concomitant medical condition that, in the opinion of the investigator, would compromise the participant's ability to safely complete the study.
- healthy Volunteers
- false
- minimum Age
- 18 Years
- sex
- ALL
- std Ages
- ADULT
- OLDER_ADULT
Treatment arms and interventions
- arm Groups
- intervention Names
- Drug: E7777 9 mcg/kg
- label
- E7777
- type
- EXPERIMENTAL
- interventions
- arm Group Labels
- E7777
- description
- administered by intravenous (i.v.) infusion over 60 minutes (+/-10 minutes) on 5 consecutive days during every cycle of 21 days
- name
- E7777 9 mcg/kg
- type
- DRUG
Study design
- allocation
- NA
- intervention Model
- SINGLE_GROUP
- masking Info
- masking
- NONE
- primary Purpose
- TREATMENT
Enrollment
- count
- 112
- type
- ACTUAL
Registered outcome plans (not posted results)
- primary Outcomes
- description
- DLTs as per NCI CTCAE v4.03 were defined as 1) serious infusion reaction (CTCAE) Grade 4 adverse event of "Infusion related reaction," or recurrent CTCAE Grade 3 despite administration of systemic steroid premedication after initial occurrence. Infusion reactions were defined as symptoms (example, fatigue, nausea, vomiting, arthralgia, myalgia, pyrexia, chills, rigors) occurring within 24 hours of E7777 infusion. 2) Capillary leak syndrome (CLS) CTCAE Grade 4 or Grade 3 (with exceptions). A CLS event was defined as the noted occurrence of at least 2 of the following: hypotension, edema, or serum albumin less than (\<) 3.0 gram per decilitre (g/dL). 3) Clinical visual impairment. 4) Any CTCAE Grade greater than or equal to (\>=) 4 adverse event (AE) that may represent an infusion reaction. 5) Any other Grade 3 or greater toxicity assessed as related to E7777 treatment and which in the opinion of a safety consultancy investigator panel, was a dose-limiting toxicity.
- measure
- Lead-In Part: Number of Participants With Dose-limiting Toxicities (DLTs) as Per National Cancer Institute Common Terminology Criteria for Adverse Events Version 4.03 (NCI CTCAE v4.03)
- time Frame
- Cycle 1 (cycle length was 21 days)
- description
- The MTD was defined as the safe dose level established in Lead-In Part. MTD was determined by summarizing the number and percentage of participants with DLTs for the first cycle, by study dosing schedule, initial dosing level and overall for the Lead-In Part.
- measure
- Lead-In Part: Maximum Tolerated Dose (MTD) of E7777
- time Frame
- Cycle 1 (cycle length was 21 days)
- description
- ORR was defined as the percentage of participants whose best overall response (BOR) was complete response (CR) or partial response (PR) based on independent review committee on 2 assessments at least 3 weeks apart. The tumor response was based on global response score (GRS) Olsen 2011 criteria. CR was defined as disappearance of all evidence of disease and PR was defined as regression of measurable disease and no new sites.
- measure
- Main Study Part: Objective Response Rate (ORR) by Independent Review Committee (IRC) Based on Olsen 2011 Criteria
- time Frame
- From the date of administration of the first dose of the study drug until disease progression (Up to 3 years 6 months)
- secondary Outcomes
- description
- DOR per investigator assessment was defined as the time from date when criteria for response (CR or PR) was first met until the date of the first documentation of disease progression (PD) or date of death from any cause. The tumor assessment was based on GRS Olsen 2011 criteria. CR was defined as disappearance of all evidence of disease and PR was defined as regression of measurable disease and no new sites. PD was defined as any new lesion or unequivocally increase of previously involved sites from nadir.
- measure
- Lead-In Part: Duration of Response (DOR) Per Investigator Assessment
- time Frame
- From the date of first documentation of CR or PR until date of the first documentation of PD or death due to any cause (Up to 1 year 2 months)
- description
- DOR per independent review committee was defined as the time from the date when criteria for response (CR or PR) was first met until the date of the first documentation of PD or date of death from any cause. The tumor assessment was based on GRS Olsen 2011 criteria. CR was defined as disappearance of all evidence of disease and PR was defined as regression of measurable disease and no new sites. PD was defined as any new lesion or unequivocally increase of previously involved sites from nadir.
- measure
- Main Study Part: Duration of Response (DOR) Per Independent Review Committee
- time Frame
- From the date of first documentation of CR or PR until date of the first documentation of PD or death due to any cause (Up to 3 years 6 months)
- description
- Time to response per investigator assessment was defined as the time from date of first dose to the date of the first documented CR or PR. The tumor assessment was based on GRS Olsen 2011 criteria. CR was defined as disappearance of all evidence of disease and PR was defined as regression of measurable disease and no new sites.
- measure
- Lead-In Part: Time to Response (TTR) Per Investigator Assessment
- time Frame
- From the date of administration of the first dose of the study drug until date of the first documentation of PR or CR (Up to 1 year 2 months)
- description
- Time to response per independent review committee was defined as the time from date of first dose to the date of the first documented CR or PR. The tumor assessment was based on GRS Olsen 2011 criteria. CR was defined as disappearance of all evidence of disease and PR was defined as regression of measurable disease and no new sites.
- measure
- Main Study Part: Time to Response (TTR) Per Independent Review Committee
- time Frame
- From the date of administration of the first dose of the study drug until date of the first documentation of PR or CR (Up to 3 years 6 months)
- description
- ORR per investigator assessment was defined as the percentage of participants whose BOR was CR or PR. The tumor response was based on GRS Olsen 2011 criteria. CR was defined as disappearance of all evidence of disease and PR was defined as regression of measurable disease and no new sites.
- measure
- Lead-In Part and Main Study Part: ORR Per Investigator Assessment
- time Frame
- From the date of administration of the first dose of the study drug until disease progression (Up to 3 years 6 months)
- description
- ORR was defined as the percentage of participants whose BOR was CR, clinical complete response (CCR) or PR per IRC. The tumor response was based on Prince 2010 criteria. CR was defined as disappearance of all evidence of disease and PR was defined as regression of measurable disease and no new sites. CCR was defined as tumor residue not visible on esophagogram, computed tomography (CT), endoscopy, positron emission tomography (PET)-CT.
- measure
- Main Study Part: ORR Per IRC Based on Prince 2010 Criteria
- time Frame
- From the date of administration of the first dose of the study drug until disease progression (Up to 3 years 6 months)
- description
- TEAE was defined as an adverse event that had an onset date, or a worsening in severity on or after the first dose of study drug up to the end of the study. SAE was any untoward medical occurrence that at any dose: resulted in death; life threatening required inpatient hospitalization; resulted in persistent, significant disability; was congenital anomaly/birth defect or medically important due to other reasons than mentioned criteria. Number of participants with TEAEs and SAEs were reported.
- measure
- Lead-In Part and Main Study Part: Number of Participants With Treatment-emergent Adverse Events (TEAEs) and Serious Adverse Events (SAEs)
- time Frame
- From the first dose of study drug up to 30 days after the last dose (Up to 3 years and 7 months)
- description
- Participants were not available for analysis in 15 mcg/kg (Cycles 3 and 5), 6 mcg/kg (Cycle 5), 9 mcg/kg (Cycles 3 and 5), 12 mcg/kg (Cycle 3), hence no Pharmacokinetic (PK) data was collected and analyzed for these doses and cycles.
- measure
- Lead-In Part: Maximum Serum Concentration (Cmax) of E7777
- time Frame
- Cycles 1, 3, 5 Day 1: Pre-dose up to 300 minutes post-dose (Cycle length was 21 days)
- measure
- Main Study Part: Maximum Serum Concentration (Cmax) of E7777
- time Frame
- Cycles 1, 3 and 5 Day 1: Pre-dose up to 300 minutes post-dose (Cycle length was 21 days)
- description
- Participants were not available for analysis in 15 mcg/kg (Cycles 3 and 5), 6 mcg/kg (Cycle 5), 9 mcg/kg (Cycles 3 and 5), 12 mcg/kg (Cycle 3), hence no PK data was collected and analyzed for these doses and cycles. Here, min\*ng/mL means minute\*nanogram per milliliter.
- measure
- Lead-In Part: Area Under the Curve From Time 0 to Time t (AUC[0-t]) of E7777
- time Frame
- Cycles 1, 3, 5 Day 1: Pre-dose up to 300 hours Post-dose (Cycle length was 21 days)
- measure
- Main Study Part: Area Under the Curve From Time 0 to Time t (AUC[0-t]) of E7777
- time Frame
- Cycles 1, 3 and 5 Day 1: Pre-dose up to 300 hours post-dose (Cycle length was 21 days)
- description
- Participants were not available for analysis in 15 mcg/kg (Cycles 3 and 5), 6 mcg/kg (Cycle 5), 9 mcg/kg (Cycles 3 and 5), 12 mcg/kg (Cycle 3), hence no PK data was collected and analyzed for these doses and cycles.
- measure
- Lead-In Part: Area Under the Curve From Time 0 to Time Infinity (AUC[0-inf]) of E7777
- time Frame
- Cycles 1, 3, 5 Day 1: Pre-dose up to 300 hours post-dose (Cycle length was 21 days)
Full study description
- brief Summary
- The purpose of this trial is to assess the efficacy of E7777 in participants with recurrent or persistent Cutaneous T-Cell Lymphoma (CTCL) in Stage I - III participants as assessed by objective response rate (ORR). A lead-in dose-finding part was used to determine dose level 9 microgram per kilogram (mcg/kg) E7777 that is being used to test efficacy and safety.
- detailed Description
- This is a multicenter, open-label study of E7777 in participants with recurrent or persistent CTCL. The study consists of an initial Lead-in part (to select recommended dose of E7777 for Main part), followed by the Main part (to test efficacy). Participants will move through three phases while on study: Pretreatment Phase, Treatment Phase, and Extension Phase and a Follow-up Period.
Source references
- references
- citation
- Foss FM, Kim YH, Prince HM, Akilov OE, Querfeld C, Seminario-Vidal L, Fisher DC, Kuzel TM, Yannakou CK, Geskin LJ, Feldman T, Sokol L, Allen PB, Dang NH, Cabanillas F, Wong HK, Ooi CE, Xing D, Sauter N, Singh P, Czuczman M, Duvic M. Efficacy and Safety of Denileukin Diftitox-Cxdl, an Improved Purity Formulation of Denileukin Diftitox, in Patients With Relapsed or Refractory Cutaneous T-Cell Lymphoma. J Clin Oncol. 2025 Apr;43(10):1198-1209. doi: 10.1200/JCO-24-01549. Epub 2024 Dec 19.
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Source notices and limitations
Discovery and provenance
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- 14 CLINICAL STUDIES Relapsed or Refractory CTCL The efficacy of LYMPHIR was evaluated in Study 302 (NCT01871727), an open-label, single-arm, multicenter trial in patients with relapsed or refractory Stage I to IV CTCL. Eligible patients were required to have expression o
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Preserved source evidence · Not medical advice