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About
The "NiTraSarc" trial evaluates the efficacy and feasibility (as determined by the safety and tolerability) of combined treatment with trabectedin and nivolumab in patients with metastatic or inoperable soft tissue sarcomas
Full description
Undoubtedly, there is a strong medical need for new efficacious therapies for patients with advanced soft tissue sarcomas. While immune oncology treatment approaches like inhibition of immune checkpoints by administration of anti PD-1 / PD-L1 antibodies displayed very promising clinical activity in several types of tumors, current data points out to only limited activity of mono-agent immunotherapy in soft tissue sarcomas (especially in leiomyosarcomas) - although this type of tumor demonstrably displays a certain grade of immunogenicity. That means, STS patients are currently not able to benefit from the advancements in cancer immunotherapy which led to remarkable improvements in outcome in some other tumor entities in the last few years.
Interestingly, most recent data indicates that trabectedin could enhance the activity of immune-modulating agents via its influence on the tumor micro-environment and the reduction of tumor associated macrophages. Furthermore, first clinical data obtained from a feasibility study on combined nivolumab/trabectedin therapy in STS patients did not report on significant toxicities when combining the two agents, thereby justifying combination of nivolumab and trabectedin utilizing standard dosages.
Therefore, this phase II study will examine if combination of nivolumab with trabectedin is feasible (safe and well tolerated) and efficacious by utilizing potential synergistic effects of both agents. In the long run, the results of this phase II trial could build the basis for further evaluation of the efficacy of the trabectedin / nivolumab combination in a randomized clinical trial involving larger patient numbers. Finally, this could render patients with STS accessible to immunotherapeutics - a promising new class of drugs for anti-cancer treatment.
Enrollment
Sex
Ages
Volunteers
Inclusion criteria
Group A:
1 Patients must have histologically confirmed liposarcoma or leiomyosarcoma
Group B:
Patients must have histologically confirmed soft tissue sarcoma (STS) other than liposarcoma or leiomyosarcoma (GIST excluded)
Both Groups (A and B):
≥ 1 prior systemic therapy for sarcoma, including adjuvant systemic therapy (anthracycline-containing regimen)
Signed Written Informed Consent
Men and women aged ≥ 18 years.
Eastern Cooperative Oncology Group (ECOG) performance status ≤ 1.
Measurable disease (according to RECIST criteria version 1.1)
Locally advanced/unresectable or metastatic disease
No prior therapy with ipilimumab or nivolumab, or any agent targeting programmed cell death 1 (PD-1), PD-L1 or cytotoxic T-lymphocyte-associated protein 4 (CTLA-4), or any other antibody or drug specifically targeting T-cell costimulation or immune checkpoint pathways
No treatment with biologic therapy, immunotherapy, chemotherapy, investigational agent for malignancy, or radiation ≤ 28 days before study registration; no treatment with nitrosourea or mitomycin ≤ 42 days before study registration
Patients should have resolution of any toxic effects of prior therapy (except alopecia) to NCI CTCAE, version 4.0, grade 1 or less
Patients must have a formalin-fixed, paraffin-embedded (FFPE) tumor block OR 1 representative hematoxylin and eosin (H&E) and 20 unstained sarcoma tissue slides available for submission to central pathology review. If no archival tissue is available, a fresh biopsy has to be performed during screening.
Absolute neutrophil count (ANC) ≥ 1,500/mm3
Platelet count ≥ 100,000/mm3
Creatine phosphokinase (CPK) ≤2,5 x ULN
Creatinine ≤ 1.5 x upper limit of normal (ULN) OR calculated (calc.) creatinine clearance ≥ 60 mL/min (calculated by using the Cockcroft-Gault formula)
Total bilirubin ≤ upper limit of normal (ULN). If total bilirubin is greater than (>) ULN, measure indirect bilirubin to evaluate for Gilbert's syndrome (if direct bilirubin is within normal range, participant may be eligible).
AST/ALT ≤ 2.5 x upper limit of normal (ULN)
AP ≤ 2.5 x upper limit of normal (ULN)
Hemoglobin ≥ 9 g/dl. If hemoglobin <9 g/dl, blood transfusion is permitted. If hemoglobin cannot be enhanced to ≥ 9 g/dl, patient cannot be included into the study.
Thyroid stimulating hormone (TSH) within normal limits (WNL); supplementation is acceptable to achieve a TSH WNL; in patients with abnormal TSH if free T4 is normal and patient is clinically euthyroid, patient is eligible
Not pregnant and not nursing; for women of childbearing potential who are sexually active, a negative pregnancy test (urinary or serum beta-HCG) at screening (performed ≤7 days prior to registration) is required.
Female participants must be postmenopausal (no spontaneous menses for at least 2 years), surgically sterile (have had a hysterectomy or bilateral oophorectomy, tubal ligation, or otherwise be incapable of pregnancy), abstinent (at the discretion of the investigator), or if sexually active, follow the contraceptive guidance in Appendix 4 throughout the duration of study treatment and for a minimum of 5 months after the last dose of study medication. Male participants must agree to use an adequate contraception method as deemed appropriate by the investigator (e.g., vasectomy, double-barrier, partner using effective contraception) and to not donate sperm for a minimum of 7 months after the last dose of study medication.
Exclusion criteria
Prior exposure to trabectedin
Active known or suspected autoimmune disease (e.g. autoimmune colitis, autoimmune panhypopituitarism, autoimmune adrenal insufficiency)
EXCEPT:
i) Subjects with vitiligo, type 1 diabetes mellitus, resolved childhood asthma or atopy are permitted to enroll.
ii) Subjects with suspected autoimmune thyroid disorders may be enrolled if they are currently euthyroid or with residual hypothyroidism requiring only hormone replacement.
iii) Subjects with psoriasis requiring systemic therapy must be excluded from enrollment.
Patients with human immunodeficiency virus (HIV) infection are excluded unless cluster of differentiation (CD)4+ cells are > 350 and no viral load is detectable
Symptomatic, untreated, or uncontrolled brain metastases present
Known significant chronic liver disease, such as cirrhosis or active hepatitis B or C
Hepatitis B can be defined as (all of the following conditions must be met):
Hepatitis C can be defined as:
Known active pulmonary disease with hypoxia defined as:
Systemic treatment with either corticosteroids (> 10 mg daily prednisone equivalents) or other immunosuppressive medications within 14 days of registration
Myocardial infarct within 6 months before enrollment, New York Heart Association Class II or greater heart failure, uncontrolled angina, severe uncontrolled ventricular arrhythmias, clinically significant pericardial disease, or electrocardiographic evidence of acute ischemic or active conduction system abnormalities
Uncontrolled intercurrent illness including, but not limited to, poorly controlled hypertension or diabetes, ongoing active infection, or psychiatric illness/social situation that may potentially impair the participant's compliance with study procedures
Unwilling or unable to have a central venous catheter
Known allergies, hypersensitivity, or intolerance to trabectedin, dexamethasone, or their excipients, or monoclonal antibodies (biologics) therapy
Pregnant or breast-feeding
Any condition that, in the opinion of the investigator, would compromise the well-being of the participant or the study or prevent the participant from meeting or performing study requirements
On-treatment participation in another clinical study in the period 30 days prior to start of study treatment and during the study.
History of allogeneic solid organ or tissue transplant including allogeneic hematopoetic stem cell transplantation.
Primary purpose
Allocation
Interventional model
Masking
92 participants in 2 patient groups
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Data sourced from clinicaltrials.gov
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