A Study of INCB050465 in Subjects With Relapsed or Refractory Marginal Zone Lymphoma (CITADEL-204)
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ClinicalTrials.gov Identifier: NCT03144674 |
Recruitment Status :
Recruiting
First Posted : May 9, 2017
Last Update Posted : September 13, 2019
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Condition or disease | Intervention/treatment | Phase |
---|---|---|
Lymphoma | Drug: Parsaclisib | Phase 2 |
Study Type : | Interventional (Clinical Trial) |
Estimated Enrollment : | 90 participants |
Allocation: | Non-Randomized |
Intervention Model: | Sequential Assignment |
Masking: | None (Open Label) |
Primary Purpose: | Treatment |
Official Title: | A Phase 2, Open-Label, 2-Cohort Study of INCB050465, a PI3Kδ Inhibitor, in Subjects With Relapsed or Refractory Marginal Zone Lymphoma With or Without Prior Exposure to a BTK Inhibitor (CITADEL-204) |
Actual Study Start Date : | June 27, 2017 |
Estimated Primary Completion Date : | March 2020 |
Estimated Study Completion Date : | March 2022 |

Arm | Intervention/treatment |
---|---|
Experimental: Cohort 1- Closed to Further enrollment
Participants who have received prior ibrutinib.
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Drug: Parsaclisib
Parsaclisib at the protocol-defined dose.
Other Name: INCB050465 |
Experimental: Cohort 2
Participants who have not received a prior BTK inhibitor.
|
Drug: Parsaclisib
Parsaclisib at the protocol-defined dose.
Other Name: INCB050465 |
- Objective response rate based on Lugano Classification criteria [ Time Frame: Protocol-defined timepoints throughout the study, up to approximately 15 months per participant. ]Defined as the percentage of participants with a complete response (CR) or partial response (PR) as determined by independent review committee (IRC) assessment.
- Duration of response [ Time Frame: Protocol-defined timepoints throughout the study, up to approximately 15 months per participant. ]Defined as the time from first documented evidence of CR or PR until disease progression or death from any cause among participants who achieve an objective response.
- Complete response rate based on Lugano Classification criteria. [ Time Frame: Protocol-defined timepoints throughout the study, up to approximately 15 months per participant. ]Defined as the percentage of participants with a CR as determined by an IRC.
- Progression-free survival [ Time Frame: Up to approximately 39 months ]Defined as the time from the date of the first dose of study treatment until the earliest date of disease progression or death from any cause.
- Overall survival [ Time Frame: Up to approximately 39 months ]Defined as the time from the date of the first dose of study treatment until death from any cause.
- Best percentage change from baseline in target lesion size [ Time Frame: Protocol-defined timepoints throughout the study, up to approximately 15 months per participant. ]Target lesion size is measured by the sum of the product of diameters of all target lesion sizes.
- Safety of Parsaclisib as measured by adverse events (AEs) [ Time Frame: Baseline through 30-35 days after end of treatment, up to approximately 15 months per participant. ]An AE is defined as any untoward medical occurrence associated with the use of a drug in humans, whether or not considered drug related, that occurs after a participant provides informed consent.

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Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Men and women, aged 18 or older (except in South Korea, aged 19 or older).
- Histologically confirmed marginal zone lymphoma, including extranodal, nodal, and splenic subtypes.
- Radiographically measurable lymphadenopathy or extranodal lymphoid malignancy (defined as the presence of ≥ 1 lesion that measures > 1.5 cm in the longest transverse diameter and ≥ 1.0 cm in the longest perpendicular diameter.
- Participants with splenic MZL who do not meet the radiographically measurable disease criteria described herein are eligible for participation provided that bone marrow infiltration of MZL is histologically confirmed.
- Participants must be willing to undergo an incisional or excisional lymph node or tissue biopsy or provide a lymph node or tissue biopsy from the most recent available archival tissue.
- Eastern Cooperative Oncology Group performance status 0 to 2.
Exclusion Criteria:
- Evidence of diffuse large B-cell transformation.
- History of central nervous system lymphoma (either primary or metastatic) or leptomeningeal disease.
- Prior treatment with idelalisib, other selective PI3Kδ inhibitors, or a pan-PI3K inhibitor.
- Allogeneic stem cell transplant within the last 6 months, or autologous stem cell transplant within the last 3 months before the date of the first dose of study treatment.
- Active graft versus host disease.
- Subjects positive for hepatitis B surface antigen or hepatitis B core antibody will be eligible if they are negative for HBV-DNA. Subjects positive for anti-HCV antibody will be eligible if they are negative for HCV-RNA.

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT03144674
Contact: Incyte Corporation Call Center (US) | 1.855.463.3463 | medinfo@incyte.com | |
Contact: Incyte Corporation Call Center (ex-US) | +800 00027423 | globalmedinfo@incyte.com |

Study Director: | Claudia Corrado, MD | Incyte Corporation |
Responsible Party: | Incyte Corporation |
ClinicalTrials.gov Identifier: | NCT03144674 History of Changes |
Other Study ID Numbers: |
INCB 50465-204 (CITADEL-204) Parsaclisib ( Other Identifier: Incyte Corporation ) |
First Posted: | May 9, 2017 Key Record Dates |
Last Update Posted: | September 13, 2019 |
Last Verified: | September 2019 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
Marginal zone lymphoma phosphatidylinositol 3-kinase (PI3K)δ inhibitor indolent (slow-growing) non-Hodgkin lymphoma B-cell lymphoma |
Lymphoma Lymphoma, B-Cell, Marginal Zone Neoplasms by Histologic Type Neoplasms Lymphoproliferative Disorders |
Lymphatic Diseases Immunoproliferative Disorders Immune System Diseases Lymphoma, B-Cell Lymphoma, Non-Hodgkin |