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[177Lu]-NeoB in Patients With Advanced Solid Tumors and With [68Ga]-NeoB Lesion Uptake (NeoRay)

A

Advanced Accelerator Applications

Status and phase

Enrolling
Phase 2
Phase 1

Conditions

Neoplasms

Treatments

Drug: LCZ696
Drug: [177Lu]-NeoB
Drug: [68Ga]-NeoB

Study type

Interventional

Funder types

Industry

Identifiers

NCT03872778
2018-004727-37 (EudraCT Number)
CAAA603A12101
2023-507170-41-00 (Registry Identifier)

Details and patient eligibility

About

The purpose of this first-in-human (FIH) study of [177Lu]-NeoB is to characterize the safety, tolerability, pharmacokinetics (PK) as well as the distribution and radiation dosimetry, and anti-tumor activity of [177Lu]-NeoB in patients with advanced solid tumors known to overexpress Gastrin-Releasing Peptide Receptor (GRPR) and with [68Ga]-NeoB lesion uptake.

Full description

This is a Phase I/IIa study which consists of a dose escalation (Phase I) and an expansion part (Phase IIa).

Dose escalation (Phase I):

Phase I study will be conducted in adult patients (age >= 18 years old) with any of the following selected advanced or metastatic solid tumors: breast cancer, lung cancer, prostate cancer, gastro intestinal stromal tumor (GIST), and glioblastoma (GBM) for whom no standard therapy is available, tolerated or appropriate, and with [68Ga]-NeoB lesion uptake as defined in the inclusion criteria.

In Phase I, every effort must be made to include at least one patient of each gender (male/female) in each Dose level to obtain dosimetry data for each gender at all Dose levels tested. However, if it is not feasible, at least 3 patients of each gender must be included in the study before reaching the [177Lu]-NeoB Dose level of 100% estimated cumulative dose (ECD) (Dose level 4) or the maximum tolerated dose (MTD) / recommended phase two dose (RP2D), whichever is lower.

Expansion part (Phase IIa):

The Phase IIa study will be conducted in adult patients (age >= 18 years old) with:

For Cohorts A, B, C respectively: Any of the following selected advanced or metastatic solid tumors: breast cancer (human receptor (HR)-positive, human epidermal growth factor receptor-2 (HER-2) negative including HER 2 low), prostate cancer, and GIST all showing [68Ga]-NeoB lesion uptake. For Cohort D: Patients affected by any advanced/metastatic solid tumor type known to overexpress GRPR, including recurrent GBM, and with moderate impaired renal function defined as creatinine clearance (calculated using the Cockcroft-Gault formula, or measured) ≥ 30mL/min and < 60mL/min.

For Cohort E (US and UK only): Patients eligible for enrollment in any of the three advanced/metastatic tumor types (as defined for Cohorts A, B, C) who will receive the first cycle of [177Lu]-NeoB upon co-administration with LCZ696

Enrollment in cohort D will no longer be allowed with implementation of protocol version 07. **

Enrollment

51 estimated patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  1. Signed informed consent must be obtained prior to participation in the study.

  2. Adult patients (age ≥ 18 years old) with any of the following advanced or metastatic solid tumors:

    • For Phase I: breast cancer, lung cancer, prostate cancer, GIST, GBM

    • For Phase IIa:

      1. Cohort A: Breast cancer with histology as follows: HR positive with ER > 10% of nuclei stain, HER-2 negative including HER-2 low based on current practice and medical history

      2. Cohort B: Prostate cancer

      3. Cohort C: GIST

      4. Cohort D: Patients affected by any advanced/metastatic solid tumor type known to overexpress GRPR including recurrent GBM, and with moderate impaired renal function defined as creatinine clearance (calculated using the Cockcroft-Gault formula, or measured) ≥ 30 mL/min and < 60 mL/min

        ** Enrollment in cohort D will no longer be allowed with implementation of protocol version 07. **

      5. Cohort E: Breast cancer with histology as follows: HR positive with ER > 10% of nuclei stain, HER-2 negative including HER-2 low as assessed on the primary diagnosis, or prostate cancer, or GIST

  3. At least one measurable lesion as per RECIST 1.1, RANO (applicable for GBM only) criteria detected on the low-dose CT or on the MRI (for GBM MRI only) acquired together with the [68Ga]-NeoB PET.

    The same identified measurable lesion shows [68Ga]-NeoB uptake on PET/CT or PET/MRI. If the only matching lesion is located in the bone, the patient will still be eligible.

  4. Patients for whom no standard therapy is available, tolerated or appropriate in both Phase I and Phase IIa. Specifically in the Phase IIa breast cancer Cohort A, patients need to have completed at least one prior treatment of endocrine therapy (including CDk4/6i) and at least one prior chemotherapy (unless contraindicated) in the metastatic setting. Patients with prior treatment with trastuzumab deruxtecan, alpelisib or elascestrant are also eligible. In case of confirmed presence of deleterious or suspected deleterious germline BRCA1 or BRCA2 mutation, the patient must also have already received a PARP inhibitor-based therapy.

  5. Patient Eastern Cooperative Oncology Group (ECOG) performance status:

    • For Phase I: =< 2
    • For Phase IIa: =< 1

Exclusion criteria

  1. Patients who have not had resolution, except where otherwise stated in the inclusion/ exclusion criteria, of all clinically significant toxic effects of prior systemic cancer therapy, surgery, or radiotherapy to Grade =< 1 (except for alopecia)*.

  2. Creatinine clearance (calculated using Cockcroft-Gault formula, or measured)

    1. For Phase I and Phase IIa (Cohort A, B, C, and E): < 60 mL/min or serum creatinine > 1.5 x ULN*
    2. For Phase IIa (Cohort D): < 30 mL/min or >= 60 mL/min
  3. Platelet count of < 75 x 109/L*†

  4. Absolute neutrophil count (ANC) < 1.0 x 109/L*†

  5. Hemoglobin < 9 g/dL*†

  6. Alanine aminotransferase (ALT) or aspartate aminotransferase (AST) > 3 x upper limit of normal (ULN) if no demonstrable liver metastases or > 5 x ULN in the presence of liver metastases*

  7. Total bilirubin > 1.5 x ULN, except for patients with documented Gilbert's syndrome who are eligible if total bilirubin ≤ 3 x ULN*

  8. Serum amylase and/or lipase > 1.5 x ULN*

  9. Known or expected hypersensitivity to [177Lu]-NeoB, [68Ga]-NeoB or any of their excipients.

  10. Impaired cardiac function or clinically significant cardiac disease, including any of the following:

    • Clinically significant and/or uncontrolled heart disease such as congestive heart failure requiring treatment (NYHA grade >= 2), uncontrolled arterial hypertension or clinically significant arrhythmia
    • LVEF < 50% as determined by echocardiogram (ECHO)*
    • QTcF >470 msec for females and QTcF >450 msec for males on screening electrocardiogram (ECG) or congenital long QT syndrome
    • Acute myocardial infarction or unstable angina pectoris < 3 months prior to [177Lu]-NeoB (IMP1) administration
  11. Patients with diabetes mellitus not stable under current treatment as judged by the investigator or with hyperglycemia ≥ CTCAE version 5.0 Grade 2*.

  12. Patients with history of or ongoing acute or chronic pancreatitis.

  13. Concurrent bladder outflow obstruction or unmanageable urinary incontinence.

  14. Administration of a radiopharmaceutical with therapeutic intent within a period corresponding to 10 half-lives of the radionuclide used prior to injection of [68Ga]-NeoB (IMP2).

  15. Prior External Beam Radiation Therapy (EBRT) to more than 25% of the bone marrow.

  16. [223Ra]-therapy within the context of diffuse bone or bone-marrow involvement (i.e., "superscan" defined as bone scintigraphy in which there is excessive skeletal radioisotope uptake [>20 bone lesions] in relation to soft tissues along with absent or faint activity in the genitourinary tract due to diffuse bone/ bone marrow metastases).

  17. [Removed]

  18. Patients who have received prior systemic anti-cancer treatment within the following time frames:

    • Cyclical chemotherapy within a period that is shorter than the cycle length used for that treatment (e.g., 6 weeks for nitrosourea, mitomycin-C) prior to starting [177Lu]-NeoB treatment
    • Biologic therapy (e.g., antibodies), continuous or intermittent small molecule therapeutics, or any other investigational agents within a period which is ≤ 5 T1/2 or ≤ 14 days (whichever is shorter) prior to starting [177Lu]-NeoB treatment
  19. History of somatic or psychiatric disease/condition that may interfere with the objectives and assessments of the study.

  20. Malignant disease, other than that being treated in this study. Exceptions to this exclusion include the following: malignancies that were treated curatively and have not recurred within 2 years prior to [177Lu]-NeoB treatment; completely resected basal cell and squamous cell skin cancers; any malignancy considered to be indolent and that has never required therapy; and completely resected carcinoma in situ of any type.

  21. Pregnant or breast-feeding women

  22. Women of child-bearing potential, defined as all women physiologically capable of becoming pregnant, are not allowed to participate in this study UNLESS they are using highly effective methods of contraception throughout the study and for 7 months after study drug discontinuation. Highly effective contraception methods include:

    • True abstinence, when this is in line with the preferred and usual lifestyle of the patient. Periodic abstinence (e.g., calendar, ovulation, symptothermal, post-ovulation methods), declaration of abstinence for the duration of exposure to IMPs, and withdrawal are not acceptable methods of contraception.

    • Male or female sterilization. Vasectomised partner is a highly effective birth control method if the partner is the sole sexual partner of the study participant and the vasectomised partner has received medical assessment of the surgical success.

    • Women tubal ligation is an acceptable highly effective contraception method, but surgical sterility is defined as bilateral salpingectomy (or bilateral oophorectomy or hysterectomy).

    • Combination of any two of the following (a+b or a+c or b+c):

      1. Use of oral, injected, or implanted hormonal methods of contraception. In case of use of oral contraception, women should be stable on the same pill for a minimum of 3 months before taking [177Lu]-NeoB treatment. This is not applicable for patients with breast cancer.
      2. Placement of an intrauterine device (IUD) or intrauterine system (IUS). IUS is not applicable for patients with breast cancer.
      3. Barrier methods of contraception: condom or occlusive cap (diaphragm or cervical/vault caps) with spermicidal foam/gel/film/cream/vaginal suppository Post-menopausal women are allowed to participate in this study. Women are considered post-menopausal and not of child bearing potential if they have had 12 months of natural (spontaneous) amenorrhea with an appropriate clinical profile (e.g. age appropriate, history of vasomotor symptoms) or six months of spontaneous amenorrhea with serum Follicle-Stimulating Hormone (FSH) levels > 40 mIU/mL [for US only: and estradiol < 20 pg/mL] or have had surgical bilateral oophorectomy or bilateral salpingectomy or hysterectomy or tubal ligation at least six weeks prior to screening. In the case of oophorectomy alone, only when the reproductive status of the woman has been confirmed by follow up hormone level assessment is she considered not of childbearing potential.

    Sexually active males must use a condom during intercourse while taking the drug and for 4 months after stopping treatment and should not father a child in this period. A condom is required to be used also by vasectomized men in order to prevent delivery of the drug via seminal fluid. Female partners of childbearing potential should use highly effective contraceptive methods during and up to 4 months after stopping treatment.

  23. Use of other investigational drugs within 30 days prior to informed consent signature.

  24. Cohorts A, B, and C: Patient currently receiving NEP inhibitors (e.g., Entresto, racecadotril) and for whom images for dosimetry assessments cannot be acquired.

  25. Cohort E only: Patient meeting at least one of the following conditions

    • Currently receiving NEP inhibitors (e.g., Entresto, racecadotril)

    • Known history of angioedema related to previous angiotensin-converting enzyme (ACE) inhibitor or angiotensin receptor blocker (ARB) therapy or hereditary or idiopathic angioedema

    • Hypersensitivity to the LCZ696 active substances or to any of the excipients

    • Diabetes mellitus and receiving aliskiren-containing medicinal products

    • Receiving ACE inhibitors or has discontinued ACE inhibitor therapy within 36 hours before receiving the first dose of LCZ696 in the study

    • Systolic blood pressure < 100 mmHg¥

    • Serum potassium level > 5.5 mEq/L¥

      • To be considered as valid to determine the eligibility of a patient, exam results of exclusion criteria #2, #3, #4, #5, #6, #7, #8, #10 (except LVEF) and #11 must be collected on or after date of patient's informed consent and must be available in the source documents for monitoring. LVEF evaluation is permitted within 6 weeks prior to IMP1 administration, even if performed outside the screening period as part of standard routine clinical practice of care, before ICF signature.

        • No platelet transfusion, packed red cell transfusion, or G-CSF will be allowed during the selection phase after ICF signature. Transfusion for the sole purpose of making a patient eligible for the study inclusion is not allowed.

          • Blood pressure and serum potassium level must be evaluated at screening and again at time of LCZ696 collection, within 7 days prior to [177Lu]-NeoB first administration (C1D1).

Trial design

Primary purpose

Treatment

Allocation

Non-Randomized

Interventional model

Sequential Assignment

Masking

None (Open label)

51 participants in 10 patient groups

Phase I: Cohort I
Experimental group
Description:
[68 Ga]-NeoB: 50 micrograms/dose at screening [177Lu]-NeoB: 50 mCi (1.85 GBq) cycle 1, 60% Estimated Cumulative Dose (ECD) for cycles 2-4, q6w
Treatment:
Drug: [68Ga]-NeoB
Drug: [177Lu]-NeoB
Phase I: Cohort II
Experimental group
Description:
[68 Ga]-NeoB: 50 micrograms/dose at screening [177Lu]-NeoB: 60% ECD for 3 cycles (q6w)
Treatment:
Drug: [68Ga]-NeoB
Drug: [177Lu]-NeoB
Phase I: Cohort III
Experimental group
Description:
[68 Ga]-NeoB: 50 micrograms/dose at screening [177Lu]-NeoB: 80% ECD for 3 cycles (q6w)
Treatment:
Drug: [68Ga]-NeoB
Drug: [177Lu]-NeoB
Phase I: Cohort IV
Experimental group
Description:
[68 Ga]-NeoB: 50 micrograms/dose at screening [177Lu]-NeoB: 100% ECD for 3 cycles (q6w)
Treatment:
Drug: [68Ga]-NeoB
Drug: [177Lu]-NeoB
Phase I: Cohort V
Experimental group
Description:
[68 Ga]-NeoB: 50 micrograms/dose at screening [177Lu]-NeoB: 120% ECD for 3 cycles (q6w)
Treatment:
Drug: [68Ga]-NeoB
Drug: [177Lu]-NeoB
Phase IIa: Cohort A
Experimental group
Description:
[68 Ga]-NeoB: 50 micrograms/dose at screening [177Lu]-NeoB: dose TBD based on Cohorts I-VI, 3 cycles q6w
Treatment:
Drug: [68Ga]-NeoB
Drug: [177Lu]-NeoB
Phase IIa: Cohort B
Experimental group
Description:
[68 Ga]-NeoB: 50 micrograms/dose at screening [177Lu]-NeoB: dose TBD based on Cohorts I-VI, 3 cycles q6w
Treatment:
Drug: [68Ga]-NeoB
Drug: [177Lu]-NeoB
Phase IIa: Cohort C
Experimental group
Description:
[68 Ga]-NeoB: 50 micrograms/dose at screening [177Lu]-NeoB: dose TBD based on Cohorts I-VI, 3 cycles q6w
Treatment:
Drug: [68Ga]-NeoB
Drug: [177Lu]-NeoB
Phase IIa: Cohort D
Experimental group
Description:
[68 Ga]-NeoB: 50 micrograms/dose at screening [177Lu]-NeoB: dose TBD based on Cohorts I-VI, 3 cycles q6w
Treatment:
Drug: [68Ga]-NeoB
Drug: [177Lu]-NeoB
Phase IIa:Cohort E
Experimental group
Description:
[68 Ga]-NeoB: 50 micrograms/dose at screening [177Lu]-NeoB: dose TBD based on Cohorts I-VI, 3 cycles q6w LCZ696: co-administered with [177Lu]-NeoB
Treatment:
Drug: [68Ga]-NeoB
Drug: LCZ696
Drug: [177Lu]-NeoB

Trial contacts and locations

14

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Central trial contact

Novartis Pharmaceuticals; Novartis Pharmaceuticals

Data sourced from clinicaltrials.gov

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