Safety and Early Signs of Efficacy of IL12-L19L19.
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Walter Fiedler, Prof. Dr.» Ansprechpartner anzeigen
Giuseppe Curigliano, Prof. MD» Ansprechpartner anzeigen
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Anastasios Stathis, PD Dr. Med» Ansprechpartner anzeigen
Nicolas Mach, Prof. MD» Ansprechpartner anzeigen
The purpose of this study is to describe the safety, tolerability and early signs of efficacy of the antibody-cytokine fusion protein IL12-L19L19 in patients with advanced or metastatic solid carcinomas and diffuse large B-cell lymphoma (DLBCL), after previous immune checkpoint blockade therapy.
The primary objective of the study is to evaluate the safety of IL12-L19L19 and to establish MTD, as recommended dose (RD).
The secondary objectives of the study are to assess early signs of efficacy, the determination of pharmacokinetic (PK) properties and the immunogenicity of IL12-L19L19.
1. Male or Female aged 18 to 80 years at the time of consent.
2. Patients must have a histological or cytological diagnosis of advanced/metastatic immunotherapy responsive solid carcinoma or lymphoma, that has progressed on immune checkpoint-blockade therapy.
3. Patients must have received an immune checkpoint blockade therapy-based regimen as immediate prior treatment.
4. Only patients without other therapeutic alternatives with curative or survival prolonging potential per investigator judgement are able to participate.
5. Subjects with DLBCL must have received ≥2 prior systemic therapies.
6. Subjects must have had clinical benefit (CR/PR/SD) while on checkpoint inhibitor treatment defined as ≥ 3 month free from progression from initial imaging documenting metastatic disease followed by radiographic disease progression after checkpoint inhibitor per investigator's opinion.
7. Tumor types of primary interest, include malignant melanoma, non-small cell lung cancer (NSCLC), renal cell carcinoma, urothelial carcinoma, head and neck squamous cell carcinoma (HNSCC), microsatellite instability-high (MSI-H) or mismatch repair deficient (dMMR) metastatic colorectal cancer, hepatocellular cancer, gastric cancer, squamous cell carcinoma of the skin and cervical cancer. For the dose expansion phase II part, diffuse large B-cell lymphoma (DLBCL) can be considered in addition.
8. Patients may have previously received chemotherapy, immunotherapy or radiation therapy. Such therapies must be completed at least 4 weeks prior to study drug administration. Radiotherapy within 4 weeks of the first dose of study drug, is allowed for palliative radiotherapy to a limited field, such as for the treatment of bone pain or a focally painful tumor mass. During the expansion part, to allow evaluation of response to treatment, patients must have remaining measurable disease that has not been irradiated.
9. Eastern cooperative oncology group (ECOG) performance status ≤ 2.
10. Patient has an estimated life expectancy of at least 12 weeks.
11. At least one unidimensionally measurable lesion either by computed tomography (CT), MRI or PET/CT as defined by RECIST (v. 1.1) for solid tumors or by LUGANO criteria for malignant lymphoma.
12. Documented negative test for HIV-HBV-HCV. For HBV serology: the determination of HBsAg, anti-HBsAg-Ab and anti-HBcAg-Ab is required. In patients with serology documenting previous exposure to HBV (i.e., anti-HBs Ab with no history of vaccination and/or anti-HBc Ab), negative serum HBV-DNA is required. For HCV: HCV-RNA or HCV antibody test. Subjects with a positive test for HCV antibody but no detection of HCV-RNA indicating no current infection are eligible.
13. All acute toxic effects (excluding alopecia and fatigue) of any prior therapy (including surgery, radiation therapy, chemotherapy) must have resolved to National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE) (v. 5.0) Grade ≤ 1.
14. Full resolution of checkpoint blockade therapy-related adverse effects (including immune-related adverse effects) and no treatment for these AEs for at least 4 weeks prior to the time of enrollment. The only exception are patients with checkpoint blockade induced hypothyroidism and hypophysitis if these patients are on stable maintenance therapy with on levothyroxine or steroids (≤ 10 mg prednisone equivalent) for at least 2 months prior dosing.
15. No history of severe immune related adverse effects from prior given immune checkpoint blockade therapy (CTCAE Grade 4; CTCAE Grade 3 requiring treatment >4 weeks).
16. Female patients: negative blood pregnancy test at Screening for women of childbearing potential (WOCBP)*. WOCBP must agree to use, from the screening to six months following the last study drug administration, highly effective contraception methods, as defined by the "Recommendations for contraception and pregnancy testing in clinical trials" issued by the Head of Medicine Agencies' Clinical Trial Facilitation Group (www.hma.eu/ctfg.html) and which include, for instance, progesterone-only or combined (estrogen- and progesterone-containing) hormonal contraception associated with inhibition of ovulation, intrauterine devices, intrauterine hormone-releasing systems, bilateral tubal occlusion or vasectomized partner.
17. Male patients: Male subjects able to father children must agree to use two acceptable methods of contraception throughout the study (e.g. condom with spermicidal gel). Double-barrier contraception is required.
18. Negative TB test (e.g. Mantoux or Quantiferon assay).
19. A personally signed and dated informed consent document indicating that the subject has been informed of all pertinent aspects of the study and has given consent to participate in the study.
20. Willingness and ability to comply with the scheduled visits, treatment plan, laboratory tests and other study procedures.
- Women of childbearing potential are defined as females who have experienced menarche, are not postmenopausal (12 months with no menses without an alternative medical cause) and are not permanently sterilized (e.g., tubal occlusion, hysterectomy, bilateral oophorectomy or bilateral salpingectomy)
Informed consent must be obtained for all the patients prior to any screening procedure for the present study.
1. Subjects who participated in an investigational drug or device study within 4 weeks prior to study treatment start.
2. Radiotherapy within 4 weeks prior to study treatment start.
3. Active or history of autoimmune disease that might deteriorate when receiving an immuno-stimulatory agent.
4. Patients with primary brain tumors or CNS disease will be excluded.
5. Patient taking herbal medications within 7 days prior to first dose of the study drug.
6. Known history of allergy to an excipient in study medication or any other intravenously administered human proteins/peptides/antibodies.
7. Absolute neutrophil count (ANC) < 1.5 x 10^9/L, platelets < 100 x 10^9/L or haemoglobin (Hb) < 9.0 g/dl.
8. Chronically impaired renal function as indicated by creatinine clearance < 60 mL/min.
9. Inadequate liver function (ALT, AST, ALP ≥ 2.5 x ULN or total bilirubin ≥ 2.0 x ULN). At the discretion of the investigator, an increased exclusion threshold for patients with liver metastasis can be accepted as follows: ALT, AST and ALP ≥ 5 x ULN.
10. Any severe concomitant condition which makes it undesirable for the patient to participate in the study or which could jeopardize compliance with the protocol, in the opinion of the investigator.
11. History within the last year of cerebrovascular disease and/or acute or subacute coronary syndromes including myocardial infarction, unstable or severe stable angina pectoris.
12. Heart insufficiency (> Grade II, New York Heart Association (NYHA) criteria).
13. Clinically significant cardiac arrhythmias or requiring permanent medication.
14. Abnormal LVEF or any other abnormalities observed during baseline ECG and echocardiogram investigations that are considered as clinically significant by the investigator. Subjects with current, or a history of QT/QTc prolongation would be excluded. In particular:
- patients with a marked prolongation of QT/QTc interval (e.g., repeated demonstration of QTc >480 milliseconds using Fredricia's QT correction formula) are excluded;
- patients with a history of risk factors for Torsades de Pointes (e.g., heart failure, hypokalemia, family history of prolonged QT syndrome) are excluded;
- patients who require the use of concomitant medications that prolong the QT/QTc interval are excluded.
15. Uncontrolled hypertension as defined by systolic blood pressure ≥ 140 mmHg and diastolic blood pressure ≥ 90 mmHg.
16. Ischemic peripheral vascular disease (Grade IIb-IV according to Leriche-Fontaine classification).
17. Severe diabetic retinopathy such as severe non-proliferative retinopathy and proliferative retinopathy.
18. Major trauma including major surgery (such as abdominal/cardiac/thoracic surgery) within 4 weeks of administration of study treatment.
19. Pregnancy or breast-feeding.
20. Systemic chronic steroid therapy (>10 mg/day prednisone or equivalent) or any other immunosuppressive therapy within 14 days of the first dose of study treatment. Topical, inhaled, nasal and ophthalmic steroids are allowed.
21. Presence of active and uncontrolled infections or other severe concurrent disease, which, in the opinion of the investigator, would place the patient at undue risk or interfere with the study.
22. Concurrent or previous malignancies (other than the indication for this trial), unless a complete remission without further recurrence was achieved at least 2 years prior to trial entry.
23. Growth factors or immunomodulatory agents within 7 days prior to the administration of study treatment.
24. Serious, non-healing wound, ulcer or bone fracture.
25. Requirement of concurrent therapy with anticoagulants at full therapeutic doses.
26. Requirement of concurrent use of other anti-cancer treatments or agents other than study medication.
27. Any recent live vaccination within 4 weeks prior to treatment or plan to receive vaccination during the study.
1. For Part I: DLT (Time Frame - From Day 1 to Day 28 of the treatment):
Occurrence of dose limiting toxicity (DLT) in dose escalation part of the study.
2. For Part I: MAD (Time Frame - From the enrollment of each patient until the completion of the treatment (for a maximum of 8 weeks)):
Definition of Maximum Administered Dose (MAD) (in dose escalation part). The MAD is defined when at least two patients within a cohort of 2-6 patients experience a DLT (i.e., ≥33% of patients with a DLT at that dose level)
3. For Part I: MTD (Time Frame - From the enrollment of each patient until the completion of the treatment (for a maximum of 8 weeks)):
Defining the Maximum Tolerated Dose (MTD) and recommendation of the Recommended Dose (RD): when the DLT rate reaches 33% in a cohort, the next lower dose level will be called the MTD (so long as the DLT rate is less than 33%). Accordingly, the recommended dose (RD) for the Dose Expansion cohort will be the MTD.
4. Safety (AE) (Time Frame - Throughout study completion for each patient, a maximum of 24 weeks for each patient):
Safety of administration of IL12-L19L19, through an assessed by Common Toxicity Criteria (version 5.0, CTCAE)
5. Safety (SAE) (Time Frame - Throughout study completion for each patient, a maximum of 24 weeks for each patient):
Safety of administration of IL12-L19L19, assessed by Common Toxicity Criteria (version 5.0, CTCAE)
6. Safety (DILI) (Time Frame - Throughout study completion for each patient, a maximum of 24 weeks for each patient):
Evaluation of possible Drug Induce Liver Injury, caused by IL12-L19L19, assessed by Common Toxicity Criteria (version 5.0, CTCAE)
1. Plasma concentration of IL12-L19L19 (Time Frame - 30 min prior injection in week from 1 to 8, at End-of-Treatment Visit and Follow Up 1; in week 1 and 3: 15 min after start of infusion, 60 min after start of infusion, end of infusion, 2h, 4h and 24h after end of infusion):
Evaluation of individual plasma concentration of IL12-L19L19
2. AUC of IL12-L19L19 (Time Frame - In week 1 and 3: 15 min after start of infusion, 60 min after start of infusion, end of infusion, 2 h after end of infusion, 4 h after end of infusion, 24 h after end of infusion):
Estimation of AUC of IL12-L19L19, as data permit
3. Tmax of IL12-L19L19 (Time Frame - In week 1 and 3: 15 min after start of infusion, 60 min after start of infusion, end of infusion, 2 h after end of infusion, 4 h after end of infusion, 24 h after end of infusion):
Estimation of Tmax of IL12-L19L19, as data permit
4. T1/2 of IL12-L19L19 (Time Frame - in week 1 and 3: 15 min after start of infusion, 60 min after start of infusion, end of infusion, 2 h after end of infusion, 4 h after end of infusion, 24 h after end of infusion):
Estimation of T1/2 of IL12-L19L19, as data permit
5. Cmax of IL12-L19L19 (Time Frame - in week 1 and 3: 15 min after start of infusion, 60 min after start of infusion, end of infusion, 2 h after end of infusion, 4 h after end of infusion, 24 h after end of infusion):
Estimation of Cmax of IL12-L19L19, as data permit
6. HAFA (Time Frame - At week 1, 2, 3 and 4):
Formation of human anti-fusion protein antibodies (HAFA) against IL12-L19L19
7. For Part II: ORR (Time Frame - At 8 weeks, 16 weeks and 24 weeks.):
Objective Response Rate (ORR, consisting of complete response (CR) + partial response (PR)), is defined as the proportion of patients with tumor size reduction of a predefined amount and for a minimum time period. Response duration usually is measured from the time of initial response until documented tumor progression. ORR is the sum of partial responses (PR) plus complete responses (CR), based on Response Evaluation Criteria in Solid Tumors (RECIST) (v. 1.1) criteria for solid tumors or by LUGANO criteria for DLBCL.
8. For Part II: DCR (Time Frame - At 8 weeks, 16 weeks and 24 weeks.):
Disease Control Rate (DCR, consisting of CR, PR +SD) is the percentage of patients whose disease shrinks or remains stable over a certain time period. DCR is the sum of the complete, partial and stable disease rates based on Response Evaluation Criteria in Solid Tumors (RECIST) (v. 1.1) criteria for solid tumors or by LUGANO criteria for DLBCL.
- IL12-L19L19 (Dodekin):
Part I - The dose escalation is designed with an initial accelerated phase followed by a standard 3+3 design. Cohorts contain one patient until first instance of moderate toxicity or a DLT in the DLT observation period (28 days). With the second occurrence of moderate toxicity or occurrence of a DLT the accelerated phase will be terminated and the dose escalation will continue with a 3+3 dose escalation. Initiation of the study treatment for an individual subject will occur not less than 7 days after initiation of the study treatment for the previous patient. Not more than 2 patients are to be treated simultaneously within their DLT observation period (i.e., Day 1 to Day 28). Part II - Dose expansion: Once the dose escalation is completed, additional 40 patients will be enrolled at the RD to better understand the safety profile and to explore early signs of efficacy in different disease indications.
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