Sirolimus in Previously Treated Idiopathic Multicentric Castleman Disease

  • STATUS
    Recruiting
  • End date
    Dec 31, 2022
  • participants needed
    24
  • sponsor
    University of Pennsylvania
Updated on 6 August 2021

Summary

The purpose of this study is to understand the impact of sirolimus on idiopathic multicentric Castleman disease.

Description

Human herpesvirus(HHV)-8-negative, idiopathic multicentric Castleman disease (iMCD) is a rare hematologic illness. Current therapeutic options are limited and provide benefit for only a subset of patients. Blockade of IL-6 signaling with siltuximab or tocilizumab abrogates symptoms and improves lymphadenopathy in a portion of patients. However, 66% of patients in the siltuximab Phase II clinical trial did not meet response criteria, and recent studies found that IL-6 is not significantly elevated in many iMCD patients. Recent research has suggested a key role for the phosphoinositide 3-kinase(PI3K)/Akt/mechanistic target of rapamycin (mTOR) pathway in iMCD pathogenesis and off-label administration of sirolimus, an mTOR inhibitor, has shown clinical activity. Based on these experiences, we plan to evaluate the efficacy of sirolimus as a therapy for iMCD patients who are either unable to tolerate anti-IL-6 blockade therapy (siltuximab or tocilizumab), or who fail, relapse, or are refractory to such treatment. This study is a Phase II open label study of daily administration of sirolimus in up to 24 evaluable male or female adults. Participants with iMCD who have failed previous therapy will take daily oral sirolimus for 12 months. Information that is collected as per standard of care will be used to review efficacy, in addition to samples collected specifically for research.

Details
Condition Castleman's Disease, Lymphoproliferative Disorder, Lymphoproliferative disorders, Castleman's Disease, Multicentric, Castleman's Disease, Multicentric, Castleman's Disease, Multicentric, Castleman's Disease, Multicentric, Castleman's Disease, Multicentric, Castleman's Disease, Multicentric
Treatment Sirolimus
Clinical Study IdentifierNCT03933904
SponsorUniversity of Pennsylvania
Last Modified on6 August 2021

Eligibility

Yes No Not Sure

Inclusion Criteria

Male or female, age 18-80
Documented disease history consistent with the diagnostic criteria for iMCD
Failed/refractory (patient did not achieve sufficient disease control with anti-IL-6 therapy, as determined by the site investigator), relapsed (return of symptoms while on therapy), or inability to tolerate anti-IL-6 or anti-IL-6 receptor therapy
Evidence of active disease, defined as at least two abnormalities in the criteria comprising the CBR criteria, with at least one abnormality being enlarged/evaluable lymph node(s) as described in Cheson criteria
Ability to consume oral medication in the form of a tablet
Ability to provide, or for a legally authorized representative to provide on their behalf, informed consent prior to any study-specific activities

Exclusion Criteria

Subjects cannot be pregnant or nursing females
Except for anti-IL6 blockade therapy (siltuximab or tocilizumab), the last dose of which must be 14 days prior to enrollment, subjects cannot have received any systemic therapy(ies) intended to treat iMCD other than corticosteroids within 14 days of enrollment
Subjects cannot have previously received sirolimus monotherapy to treat iMCD
Subjects cannot have any of the following: ECOG >3; Estimated glomerular filtration rate (eGFR) < 30 mL/min/1.73 m2 or creatinine > 3.0 mg/dL; Absolute neutrophil count (ANC) < 1000 x 109/L; Hemoglobin 6.5 g/dL (transfusion independent, defined as not receiving a red blood cell transfusion for 7 days prior); Aspartate aminotransferase (AST) or alanine aminotransferase (ALT) laboratory values greater than three times the upper limit of normal; Albumin < 2 g/dL (transfusion independent, defined as not receiving intravenous albumin for 7 days prior); Platelet count 40 x 109/L (transfusion independent, defined as not receiving platelet transfusion for 7 days prior); Pulmonary involvement or interstitial pneumonitis with dyspnea (adequate pulmonary function is defined as pulse oximetry > 94% on room air if there is clinical indication for determination (e.g. dyspnea at rest, history of interstitial pneumonitis, etc.)); Fasting cholesterol > 300 mg/dL or fasting triglyceride > 400 mg/dL
Subjects cannot have uncontrolled infection or infectious disease(s) that is/are exclusionary for / mimickers of iMCD
Subjects cannot have rheumatologic disease(s) that is/are exclusionary for / mimickers of iMCD
Subjects cannot have a prior malignancy except for: (1) adequately treated basal cell or squamous cell skin cancer, (2) in situ cervical cancer, or (3) other cancer for which the subject has not received treatment within one year prior to enrollment
Subjects cannot have a documented history of human immunodeficiency virus (HIV) or HHV-8 infection, or severe combined immunodeficiency syndrome
Subjects cannot have a history of liver or lung transplantation
Subjects cannot have ongoing or planned participation in another clinical trial involving iMCD directed treatment or that involves immunomodulatory or anti-neoplastic treatment
Subjects cannot have prior sensitivity / allergy to any formulation of sirolimus, its components or its analogues
Subjects cannot have serious medical illness, or psychiatric illness or disorders that could potentially interfere with the completion of treatment according to this protocol or participation in the trial
Subjects cannot have psychiatric disorders that compromises the ability to provide informed consent
Subjects cannot have any other condition or finding that in the opinion of the investigator would make participation in this trial inappropriate
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