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A Phase 2 Study Comparing 2 Intermittent Dosing Schedules of Duvelisib in Participants With Indolent Non-Hodgkin Lymphoma (TEMPO)

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Status and phase

Completed
Phase 2

Conditions

Indolent Non-Hodgkin Lymphoma

Treatments

Drug: Duvelisib

Study type

Interventional

Funder types

Industry

Identifiers

NCT04038359
VS-0145-229
2019-001381-14 (EudraCT Number)

Details and patient eligibility

About

This study examined the effects of predefined 2-week duvelisib dose holidays on tumor responses and safety/tolerability.

Full description

This was a Phase 2, randomized, open-label, 2-arm study designed to evaluate the efficacy and safety of prescribed drug holidays of duvelisib treatment in participants with relapsed or refractory (R/R) indolent non-Hodgkin lymphoma (iNHL) who have received at least 1 prior systemic therapy.

Enrollment

103 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Eastern Cooperative Oncology Group performance status ≤ 2

  • Histologically confirmed diagnosis of iNHL (subtypes include follicular lymphoma [FL] Grades 1 to 3a), marginal zone lymphoma (splenic, nodal, or extranodal), or small lymphocytic lymphoma

  • Must have received 1 prior systemic regimen for iNHL

  • Must have documented radiologic evidence of disease progression, at least 1 bi-dimensionally measurable lesion ≥ 1.5 centimeters (which has not been previously irradiated), according to 2007 revised International Working Group criteria, and be a candidate for a subsequent line of therapy.

  • Must have adequate organ function defined by the following laboratory parameters:

    • Absolute neutrophil count ≥ 1.0 × 10^9/liter (L)
    • Platelet count ≥ 75 × 10^9/L
    • Hemoglobin ≥ 8 grams/deciliter
    • Estimated creatinine clearance ≥ 60 milliliters/minute, as determined by the Cockcroft-Gault method
    • Total bilirubin ≤ 1.5 × upper limit of normal (ULN) (exception: participants with Gilbert's Syndrome may have a bilirubin > 1.5 × ULN)
    • Aspartate transaminase/serum glutamic-oxaloacetic transaminase and alanine aminotransferase/serum pyruvic transaminase ≤ 3.0 × ULN

Exclusion criteria

  • Anticancer treatment, major surgery, or use of any investigational drug within 28 days before the start of study intervention; palliative radiation therapy is allowed if > 7 days before planned first dose of study interventions, and any toxicity is Grade ≤ 1
  • Clinical or histological evidence of transformation to a more aggressive subtype of lymphoma or grade 3b FL or Richters' transformation or chronic lymphocytic leukemia
  • Prior allogeneic hematopoietic stem cell transplant; prior treatment with a PI3K inhibitor
  • History of drug-induced colitis or pneumonitis; tuberculosis treatment ≤ 2 years prior to randomization; administration of a live or live attenuated vaccine within 6 weeks of randomization
  • Ongoing treatment with chronic immunosuppressants or systemic steroids or treatment for systemic bacterial, fungal, or viral infection
  • Active cytomegalovirus or Epstein-Barr virus infection
  • Unable to receive prophylactic treatment for pneumocystis, herpes simplex virus, or herpes zoster at screening
  • Concurrent administration of medications or foods that are strong inhibitors or inducers of cytochrome P450 3A. No prior use within 2 weeks before the start of study intervention.
  • Baseline QT interval corrected with Fridericia's method > 500 milliseconds
  • Concurrent active malignancy other than non-melanoma skin cancer or carcinoma in situ of the cervix, bladder cancer, or prostate cancer not requiring treatment. Participants with previous malignancies are eligible if they have been disease-free for 2 years or more.
  • Unstable or severe uncontrolled medical condition that would, in the Investigator's judgment, increase the participant's risk to participating in this study.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

103 participants in 2 patient groups

Duvelisib, Continuous and Intermittent Dosing
Experimental group
Description:
Duvelisib 25 milligrams (mg) twice daily (BID) continuously for 10 weeks, followed by 25 mg BID dosed 2 weeks off and 2 weeks on for each subsequent 4-week cycle.
Treatment:
Drug: Duvelisib
Duvelisib, Intermittent Dosing
Experimental group
Description:
Duvelisib 25 mg BID dosed 2 weeks on and 2 weeks off.
Treatment:
Drug: Duvelisib

Trial documents
2

Trial contacts and locations

28

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Data sourced from clinicaltrials.gov

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