E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Advanced solid malignancies |
|
E.1.1.1 | Medical condition in easily understood language |
Patients bearing solid tumor of breast, endometrium, lung or others as applicable |
|
E.1.1.2 | Therapeutic area | Diseases [C] - Cancer [C04] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 17.1 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10065147 |
E.1.2 | Term | Malignant solid tumor |
E.1.2 | System Organ Class | 100000004864 |
|
E.1.3 | Condition being studied is a rare disease | No |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
1. To estimate the MTD or RP2D of CLR457 (dose escalation phase)
2. To investigate the anti-tumor activity of CLR457 (Phase II) |
|
E.2.2 | Secondary objectives of the trial |
1. To characterize the safety and tolerability of CLR457 treatment
2. To determine the single and multiple dose PK profile of CLR457
3. To further investigate the anti-tumor activity of CLR457
4. To assess the PI3K pathway inhibition by CLR457 |
|
E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
1. Written informed consent must be obtained prior to any screening procedures
2. Patient (male or female) ≥ 18 years of age
3. Phase I: Patients with advanced/metastatic solid tumors, with measurable or non measurable disease as determined by modified RECIST version 1.1 who have progressed despite standard therapy or be intolerant of standard therapy, or for whom no standard therapy exists, who have tumors harboring one of the following: confirmed PIK3CA mutation or amplification, PTEN loss of function, EGFR mutation, cMET activation and/or HER2 overexpression. Endometrial carcinoma will not be selected for any molecular status.
Phase II: Patients with advanced/metastatic solid tumors, with at least one measurable lesion as determined by modified RECIST version 1.1, who progressed despite standard therapy or be intolerant of standard therapy, or for whom no standard therapy exists,
fitting in one of the following groups:
Group 1: patients with PIK3CA mutated or amplified ER + breast cancer
Group 2: patients with endometrial carcinoma (not selected for any molecular status)
Group 3: patients with solid tumors (with the exception of PIK3CA mutant/amplified ER+ breast cancer and endometrial carcinoma) harboring PIK3CA mutation or amplification/any PTEN status
Group 4: patients with solid tumors (with the exception of endometrial carcinoma) harboring PTEN loss of function/ PIK3CA wild type
Group 5: patients with non-small cell lung cancer harboring cMET activation and/or EGFR mutation
4. Up to 3 chemotherapies in advanced/metastatic setting allowed for Phase II patients.
5. ECOG Performance Status ≤ 2.
6. Availability of a representative formalin fixed paraffin embedded tumor tissue sample. If archival tumor specimen is not available, a newly obtained tumor specimen needs to be submitted instead. |
|
E.4 | Principal exclusion criteria |
1. Brain metastasis unless treated and neurologically stable
2. Patient having out of range laboratory values defined as:
Hepatic and renal function:
• Serum total Bilirubin≥1.5 x ULN (upper limit of normal) or aspartate aminotransferase (AST) and alanine aminotransferase (ALT≥ 2.5 x ULN)
• Patients with tumor involvement of the liver must have AST and/or ALT >5 x ULN
• For patients with Gilbert's syndrome total bilirubin >2.5 x ULN
• Serum creatinine >1.5 x ULN and/or measured or calculated creatinine clearance < 75% LLN (lower limit of normal)
Bone marrow function:
• Platelets < 100 x 10^9/L
• Hemoglobin (Hgb) < 9 g/dL
• Absolute Neutrophil Count (ANC) < 1.5 x 10^9/L
Cardiac function:
• Clinically significant and/or uncontrolled heart disease such as congestive heart failure (CHF) requiring treatment (NYH grade ≥ 2), hypertension or arrhythmia
• left ventricule ejection fraction (LVEF) < 45% as determined by MUGA scan or ECHO
• QTcF >480 msec on screening ECG or congenital long QT syndrome
• Acute myocardial infarction (AMI) or unstable angina pectoris ≤ 3 months prior to study entry
3. Peripheral neuropathy CTCAE Grade ≥ 2.
4. History of pancreatitis of any grade.
5. Patients with diabetes mellitus requiring insulin treatment and/or with clinical signs or with Fasting Plasma Glucose (FPG) ≥ 140 mg/dL / 7.8 mmol/L
6. Patients receiving treatment with medications that are known to be
1) strong inhibitors or inducers of CYP3A4/5; 2) CYP2C9 substrate with narrow therapeutic index; 3) QT prolonging agents; 4) proton pomp inhibitors unless these medications can be discontinued at least a week prior to start of treatment. |
|
E.5 End points |
E.5.1 | Primary end point(s) |
1- Incidence of DLT
2- Objective response rate (ORR) per RECIST v1.1 by investigator assessment |
|
E.5.1.1 | Timepoint(s) of evaluation of this end point |
1- First 28 days of dosing
2- Baseline and every 8 weeks |
|
E.5.2 | Secondary end point(s) |
1- Safety: Incidence and severity of AEs and SAEs, including changes in laboratory values, vital signs and ECGs
Tolerability: Dose interruptions and reductions
2- Plasma concentration of CLR457 and PK parameters including but not limited to Cmax, Cmin, AUCinf, AUCtlast, AUCtau and T1/2
3- Best overall response (BOR), duration of response (DOR), progression free survival (PFS) per RECIST v1.1 by investigator assessment
4- Changes from baseline in glucose metabolism markers (fasting
glucose and insulin)
Pre- and post- treatment immunohistochemistry of PI3K pathway molecules (e.g. p-S6, p-AKT) in newly obtained tumor samples |
|
E.5.2.1 | Timepoint(s) of evaluation of this end point |
1- Continuously throughout the study until 30 days after safety follow up
2- During phase I:
Baseline; Cycle 1 Day 1, 2, 8, 15, 16 and 22; Cycle 2 Day 1, 2, from Cycle 3 to cycle 6 on Day 1
During Phase II:
Baseline; Cycle 1 Day 1, 2, 8, 15, 16 and 22
3- Baseline and every 8 weeks
4- Blood for glucose metabolism markers collected on C1D1, C1D2, C1D15, C1D16, C2D1 and C2D2.
Paired newly obtained tumor samples collected at baseline and at C2D1. |
|
E.6 and E.7 Scope of the trial |
E.6 | Scope of the trial |
E.6.1 | Diagnosis | No |
E.6.2 | Prophylaxis | No |
E.6.3 | Therapy | No |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | Yes |
E.6.7 | Pharmacodynamic | Yes |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | No |
E.6.10 | Pharmacogenetic | No |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | No |
E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | Yes |
E.7.1.1 | First administration to humans | Yes |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | No |
E.7.1.3.1 | Other trial type description | |
E.7.2 | Therapeutic exploratory (Phase II) | Yes |
E.7.3 | Therapeutic confirmatory (Phase III) | No |
E.7.4 | Therapeutic use (Phase IV) | No |
E.8 Design of the trial |
E.8.1 | Controlled | No |
E.8.1.1 | Randomised | No |
E.8.1.2 | Open | Yes |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | No |
E.8.1.5 | Parallel group | No |
E.8.1.6 | Cross over | No |
E.8.1.7 | Other | No |
E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | No |
E.8.2.2 | Placebo | No |
E.8.2.3 | Other | No |
E.8.2.4 | Number of treatment arms in the trial | 5 |
E.8.3 |
The trial involves single site in the Member State concerned
| No |
E.8.4 | The trial involves multiple sites in the Member State concerned | Yes |
E.8.4.1 | Number of sites anticipated in Member State concerned | 2 |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 10 |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | Yes |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.6.3 | If E.8.6.1 or E.8.6.2 are Yes, specify the regions in which trial sites are planned |
Australia |
Austria |
Canada |
France |
Germany |
Hong Kong |
Israel |
Italy |
Japan |
Singapore |
Spain |
United States |
|
E.8.7 | Trial has a data monitoring committee | No |
E.8.8 |
Definition of the end of the trial and justification where it is not the last
visit of the last subject undergoing the trial
|
The end of study will be upon completion of the follow-up for the disease progression period or 30 day safety follow up period (whichever is later) for all patients treated in all arms or when the study is terminated early. |
|
E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | |
E.8.9.1 | In the Member State concerned months | 30 |
E.8.9.1 | In the Member State concerned days | |
E.8.9.2 | In all countries concerned by the trial months | 30 |