To assess safety and tolerability and to determine the recommended Phase 2 dose (RP2D) of E7386 in combination with other anticancer drug(s)
EC Dose Optimization Part only: To determine the optimal dose of E7386 incombination with lenvatinib in EC
-Dose Escalation Part single arm, Open-Label
-Expansion Part
Hepatocellular carcinoma (HCC) Part: randomized, Open-Label
Colorectal cancer (CRC) Part and Endometrial cancer(EC) Part: single arm, Open-Label
-Dose Optimization Part
Endometrial cancer(EC) Part: randomized, Open-Label
1. HCC part only:
Participants with confirmed diagnosis of unresectable HCC with any of the following criteria:
a. Histologically or cytologically confirmed diagnosis of HCC, excluding fibrolamellar, sarcomatoid or mixed cholangio-HCC tumors
b. Clinically confirmed diagnosis of HCC according to American Association for the Study of Liver Diseases (AASLD) criteria, including cirrhosis of any etiology and/or chronic hepatitis B or C infection
ST part only (except for HCC):Participants with histologically or cytologically confirmed diagnosis of solid tumor for which no alternative standard therapy or no effective therapy exists
2. Life expectancy of >=12 weeks
3. Eastern Cooperative Oncology Group (ECOG) Performance Status of 0 to 1
4. All AEs due to previous anti-cancer therapy have either returned to Grade 0 to 1 except for alopecia or up to Grade 2 peripheral neuropathy (renal/bone marrow/liver function should meet the inclusion criteria)
5. Adequate controlled blood pressure (BP), renal function, bone marrow function, liver function, and serum mineral level
6. At least one measurable lesion based on mRECIST (for HCC Subparts in Dose Escalation Part) or on RECIST 1.1 (for Other ST Subparts in Dose Escalation Part and all subparts in Expansion Part) meeting following criteria
At least 1 lesion of >=1.0 centimeter (cm) in the longest diameter for a non-lymph node or >=1.5 cm in the short-axis diameter for a lymph node that is serially measurable according to RECIST 1.1 using computerized tomography (CT)/magnetic resonance imaging (MRI) Lesions that have had external beam radiotherapy or loco-regional therapies such as radiofrequency ablation, or transarterial chemoembolisation (TACE)/ transarterial embolization (TAE) must show evidence of progressive disease based on RECIST 1.1 to be deemed a target lesion
7. Adequate washout period before study drug administration:
a. Chemotherapy and radiotherapy: 3 weeks or 5 times the half-life, whichever is shorter
b. Any antitumor therapy with antibody: 4 weeks or more
c. Any investigational drug or device: 4 weeks or more
d. Blood/platelet transfusion or granulocyte colony-stimulating factor (G-CSF): 2 weeks or more Note: Participants must have recovered from all radiation-related toxicities, not require corticosteroids, and not had radiation pneumonitis
8. For HCC participants only: Child-Pugh score A. Note: If Child-Pugh score 7 or more was observed during Screening or Baseline, the participant is ineligible and re-assessment of the Child-Pugh score is not permitted.
9. For HCC participants only: Participants categorized to stage B (not amenable to locoregional therapy or refractory to locoregional therapy, and not amenable to a curative treatment), or stage C based on Barcelona Clinic Liver Cancer (BCLC) staging system
10. For HCC Subpart in Expansion Part only: prior systemic therapy for locally advanced or metastatic disease is as defined below
a. Participants who have received only one prior line of immuno oncology (IO) based regimen and have progressed on or after prior treatment with IO based regimen, or IO ineligible participants who have received no prior systemic therapy. Participants who previously received lenvatinib treatment are ineligible
11. For CRC Subpart in Expansion Part only: participants must have received at least 2 prior regimens (not exceeding 4 prior regimens) or could not tolerate standard treatment and must have received the following prior therapies in the metastatic setting if approved and locally available (progressed on at least 1 prior regimen in the metastatic setting or could not tolerate standard treatment):
Note: Adjuvant chemotherapy counts as prior systemic treatment if there is documented disease progression within 6 months of treatment completion Note: If a participant is determined to be intolerant to prior standard treatment, the participant must have received at least of 2 cycles of that therapy Note: Participants who have received oral tyrosine kinase inhibitor (example, regorafenib) are ineligible
a. Fluoropyrimidine, irinotecan and oxaliplatin with or without an anti-Vascular endothelial growth factor (VEGF) monoclonal antibody (mAb) (example, bevacizumab).
Note: Capecitabine is acceptable as equivalent to fluoropyrimidine in prior treatment Note: Participants who have previously received fluoropyrimidine, oxaliplatin, and irinotecan as part of the same and only chemotherapy regimen, example, FOLFOXIRI or FOLFIRINOX, may be eligible after discussion with the Sponsor
b. Chemotherapy with anti- epidermal growth factor receptor (EGFR) mAb (cetuximab or panitumumab) for participants with rat sarcoma virus (RAS) (Kirsten rat sarcoma viral oncogene homolog [KRAS)/ NRAS]) wild type (WT) CRC Note: RAS (KRAS/NRAS) WT participants with right or left CRC lesions who may have not been treated with anti-EGFR mAb based on local guidelines are eligible
c. BRAF inhibitor (in combination with cetuximab puls-minus binimetinib) for BRAF V600E mutated tumors
d. Immune checkpoint inhibitor for participants with microsatellite instability-high (MSI-H) CRC
12. For EC Subpart in Expansion Part only: Subjects must have EC that has progressed after prior platinum-based chemotherapy and an anti-programmed cell death (ligand) 1 (PD-(L)1)-directed therapy for EC (subjects ineligible for IO therapy who have progressed after prior platinum-based chemotherapy are eligible). Up to 3 prior systemic therapies, of which up to 2 for metastatic or locally advanced disease, are permitted.
Note: There is no restriction regarding prior hormonal therapies
For Dose Optimization Part only: Subjects must have EC that has progressed after prior platinum-based chemotherapy and an anti-PD-(L)1-directed therapy for EC. Up to 3 lines of prior therapy, regardless of setting, are allowed.
Note: Prior hormonal therapy and radiation are allowed and do not count as prior lines of therapy.
1. Any of cardiac conditions as follows:
a. Heart failure New York Heart Association (NYHA) Class II or above
b. Unstable ischaemic heart disease (myocardial infarction within 6 months prior to starting study drug, or angina requiring use of nitrates more than once weekly)
c. Prolongation of QT interval with Fridericias correction (QTcF) to greater than (>) 480 millisecond (msec)
d. Left ventricular ejection fraction (LVEF) less than 50 percent (%)
2. Known to be human immunodeficiency virus (HIV) positive Note: the sponsor has evaluated whether to include participant with HIV. Given that this is the first combination study of E7386 with lenvatinib and that the main mechanism of action of E7386 is immunomodulation of the tumor microenvironment along with the fact that several anti-retroviral therapies have drug-drug interaction with cytochrome P450 3A (CYP3A) substrates, the sponsor has decided not to include these participants at the current time. However, further considerations will be made moving forward based on new emerging data Note: HIV testing is required at screening only when mandated by local health authority
3. Participants with proteinuria >1 positive on urine dipstick testing will undergo 24-hour urine collection for quantitative assessment of proteinuria. Participants with urine protein >=1 gram per 24 hour will be ineligible
4. Diagnosed with meningeal carcinomatosis
5. Participants with central nervous system metastases are only eligible if they have been previously treated and are radiologically stable, (that is, without evidence of progression for at least 4 weeks prior to first dose of study treatment by repeat imaging), clinically stable, and without requirement of steroid treatment for at least 14 days prior to first dose of study treatment.
6. Pulmonary lymphangitic involvement that results in pulmonary dysfunction requiring active treatment, including the use of oxygen
7. Bleeding or thrombotic disorders or use of anticoagulants requiring therapeutic INR monitoring for HCC subjects only (eg, warfarin or similar agents). Treatment with low molecular weight heparin and factor X inhibitors is permitted. Treatment with antiplatelet agents is prohibited for HCC subjects in Dose Escalation Part only
8.Gastrointestinal bleeding event or active hemoptysis (bright red blood of at least 0.5 teaspoon) within 3 weeks prior to the first dose of study drug.
9.Major surgery within 21 days or minor surgery (ie, simple excision) within 7 days prior to starting study drug. Subject must have recovered from the surgery related toxicities to less than Grade 2.
Note: Adequate wound healing after major surgery must be assessed clinically, independent of time elapsed for eligibility
10. Active infection requiring systemic treatment (Except for Hepatitis B and/or C [HBV/HCV] infection in HCC participants) In case of HBsAg (+) participants in HCC participants:
Antiviral therapy for HBV is not ongoing HBV viral load is 2000 international unit per milliliter (IU/mL) or more at the Screening Period although antiviral therapy for HBV is ongoing
Has dual active HBV infection (HBsAg (+) and/or detectable HBV deoxyribonucleic acid [DNA]) and HCV infection (anti-HCV Ab (+) and detectable HCV ribonucleic acid [RNA]) at study entry
11. Any of bone disease/conditions as follows (EC Dose Optimization Part only):
- T-score of <-3.0 at the left or right total hip, left or right femoral neck or lumbar spine (L1-L4) as determined by dual energy x-ray absorptiometry (DXA) scan. Subjects with T-score <-2.5 to -3.0 can only be included if treatment with a bisphosphonate (eg, zoledronic acid) or denosumab has been started at least 14 days and no more than 6 months prior to the first dose of study drug
- Metabolic bone disease, such as hyperparathyroidism, Paget's disease, or osteomalacia
- Symptomatic hypercalcemia requiring bisphosphonate therapy
- History of any fracture within 6 months prior to starting study drug
- Bone metastasis requiring orthopedic intervention
- Bone metastasis not being treated by bisphosphonate or denosumab. Subject may be included if treatment with bisphosphonate or denosumab have been started at least
14 days prior to the first dose of study drug. Subjects with previous solitary bone lesions controlled with radiotherapy are eligible Symptomatic hypercalcemia requiring bisphosphonate therapy
- History of any fracture within 6 months prior to starting study drug
- Bone metastasis requiring orthopedic intervention
- Bone metastasis not being treated by bisphosphonate or denosumab. Participants may be included if treatment with bisphosphonate or denosumab has been started at least 14 days prior to the first dose of study drug. Participants with previous solitary bone lesions controlled with radiotherapy are eligible.
- History of symptomatic vertebral fragility fracture or any fragility fracture of the hip, pelvis, wrist or other location (defined as any fracture without a history of trauma or because of a fall from standing height or less)
- Moderate (25% to 40% decrease in the height of any vertebrae) or severe (>40% decrease in the height of any vertebrae) morphometric vertebral fracture at Baseline
12.EC Dose Optimization Part only: Subjects who previously received lenvatinib treatment are ineligible.
13.For EC Subpart in Expansion and Dose Optimization Parts only: carcinosarcoma (malignant mixed Mullerian tumor), endometrial leiomyosarcoma, and endometrial stromal sarcomas
14.Has preexisting >-Grade 3 gastrointestinal or non-gastrointestinal fistula
15.Evidence of current COVID-19 infection or ongoing unrecovered active sequelae of COVID19 infection
16.Males who have not had a successful vasectomy (confirmed azoospermia) if their female partners meet the exclusion criteria above (ie, the female partners are of childbearing potential and are not willing to use a highly effective contraceptive method throughout the study period and for 90 days (30 days for subjects whose partner enrols in the lenvatinib monotherapy arm) after study drug discontinuation). No sperm donation is allowed during the study period and for 90 days (30 days for subjects whose partner enrols in the lenvatinib monotherapy arm) after study drug discontinuation (Added per Amendment 06 and revised per Amendments.
17. Has a known psychiatric or substance abuse disorder that would interfere with the participant ability to cooperate with the requirements of the study
18.Evidence of clinically significant disease (eg,cardiac, respiratory, gastrointestinal, renal disease) that in the opinion of the investigator(s) could affect the subject's safety or interfere with the study assessments
19. Scheduled for major surgery during the study
Safety related endpoints including DLT and/or defining the RP2D
Objective response rate (ORR) per RECIST 1.1 by investigator assessment at Week 24 (Dose Optimization Part)
/
- 被験薬のPK プロファイル
- BOR, ORR, DCR, CBR, PFS, OS, DOR
-PK profile of study drug(s)
-Best overall response (BOR), Objective response rate (ORR), Disease control rate (DCR), Clinical benefit rate (CBR), Progression-free survival (PFS), Overall survival, Duration of response (DOR)
-Dose Escalation Part
HCC part and ST part: 5 mg or more of E7386 will be continuously administered orally.
-Expansion Part
E7386 and Lenvatinib combination arm in the HCC part: The recommended dose based on the results of the Dose Escalation part will be orally administered twice daily.
Lenvatinib monotherapy group in HCC part: No E7386 administration.
CRC part and EC part: The recommended dose based on the results of the Dose Escalation part will be administered orally twice daily.
-EC Dose Optimization Part
E7386 will be administered twice daily
-Dose Escalation part
HCC part: Lenvatinib (8 or 12 mg) will be administered once daily.
ST part: Lenvatinib (20 mg) will be administered once daily.
-Expansion part
HCC part: Lenvatinib (8 or 12 mg) will be administered once daily.
CRC part: Lenvatinib (20 mg) will be administered once daily.
EC part: Lenvatinib (14 mg) will be administered once daily.
-EC Dose Optimization Part
Lenvatinib will be administered once daily.
パクリタキセル
Paclitaxel
429 その他の腫瘍用薬
429 Other antitumor agents
【用量最適化パート】
パクリタキセルを週1回毎に 3 週間投与後1 週休薬
-EC Dose Optimization Part
Paclitaxel will be administered once weekly (QW) on a 3 weeks on/1 week off
ドキソルビシン
Doxorubicin
429 その他の腫瘍用薬
429 Other antitumor agents
【用量最適化パート】
ドキソルビシンを3週間毎に1回投与
-EC Dose Optimization Part
Doxorubicin will be administered once every 3 weeks (Q3W)