| Eligibility |
Inclusion Criteria:
Only the subjects who meet all of the following inclusion criteria are eligible for entry
into this study:
1. The subjects agree and have the ability to comply with the study and follow-up
procedures. Before any examination and study, the subjects or their legal guardians
shall sign and date a written informed consent;
2. Age = 18 years old, male or female;
3. The Eastern Cooperative Oncology Group Performance Status (ECOG PS) score is 0~1;
4. The expected survival period is not less than 12 weeks;
5. Subjects have at least one evaluable lesion according to RECIST V1.1. Tumor lesions
that have progressed after being irradiated =4 weeks before the start of treatment can
be used as target lesions in the absence of non-irradiated evaluable lesions;
6. Subjects with advanced solid tumors confirmed by histology or cytology, for whom the
standard treatment has failed, or there is no standard treatment regime, or the
standard treatment is not applicable at the current stage;
7. Subjects must have adequate organ functions, as defined below:
Liver function:
•Serum aspartate aminotransferase (AST), serum alanine aminotransferase (ALT) = 2.5
times the upper limit of normal (ULN); total serum bilirubin (TBIL) = 1.5 times ULN
(for subjects with Gilbert syndrome, serum bilirubin = 3.0 × ULN).
Bone marrow function (no blood transfusion or hematopoietic stimulating factor therapy
within 10 days prior to testing):
- Absolute neutrophil count (ANC) =1.5×109/L;
- Platelet (PLT) =100×109/L;
- Hemoglobin (Hb) =9g/dL;
- Lymphocyte count =0.5×109/L.
Kidney function:
•Serum creatinine =1.5 mg/dL, or estimated glomerular filtration rate =60
mL/min/1.73m2 using the Chronic Kidney Disease Epidemiology Partnership (CKD-EPI)
formula;
Coagulation:
If the subject does not take anticoagulants, INR < 1.5. If the subject is taking
anticoagulants, INR < 3.
8. For fertile women, the serum pregnancy test must be negative prior to the enrollment
into the study. Infertile women who have had natural (instinctive) menopause for at
least 12 consecutive months prior to screening, with appropriate clinical
manifestation (e.g. appropriate age, history of vasomotor symptoms), or have undergone
bilateral oophorectomy, hysterectomy or bilateral tubal ligation more than 6 weeks
prior to screening;
9. Male or female subjects: Male subjects (whose partner is a fertile female) and fertile
female subjects must use two acceptable methods of contraception, including one
barrier method, throughout the study period until 3 months after the last dose. Male
subjects must also avoid donating sperm while participating in the study;
10. Subjects must be able to swallow and absorb oral medication.
Exclusion Criteria:
Subjects who meet any of the following will not be able to enter this study:
1. Previous (=3 years) or current existence of cancer histologically determined to be
different from the study tumors, except for cervical carcinoma in situ, superficial
non-invasive bladder tumor, or cured stage I non-melanoma skin cancer;
2. Subjects carrying known major mutational driver genes other than RET gene, such as:
EGFR, ALK, ROS1, etc.;
3. Known severe allergy to the study drug or excipient (microcrystalline cellulose);
4. Severe autoimmune diseases (including immune-related AEs from previous immuno-oncology
therapy) or autoimmune diseases requiring chronic systemic corticosteroid therapy with
immunosuppressive doses (prednisone >10 mg/day or equivalent);
5. Known malignant central nervous system diseases, except for neurologically stable and
treated brain metastases, which are defined as brain metastases that have been treated
with surgery, surgery plus radiotherapy, or radiotherapy alone, with no signs of
progression or hemorrhage within 14 days after treatment and all systemic
corticosteroids discontinued within 14 days prior to the treatment.
6. Medical history (within 6 months before treatment initiation) or evidence of
pericarditis (of any grade) or pericardial effusion (= Grade 2);
7. Medical history (within 6 months prior to initiation of therapy) or evidence of
interstitial lung disease, radiation pneumonitis or idiopathic pulmonary fibrosis
requiring steroid therapy, pleural or pericardial effusion requiring intervention such
as drainage.
8. Medical history (within 4 weeks after initiation of therapy) or evidence of active
infection (= Grade 2);
9. Medical history of positive serostatus for human immunodeficiency virus (HIV),
hepatitis B virus (HBV), or hepatitis C virus (HCV) at any time before treatment:
- Positive anti-HIV-1 or anti-HIV-2 antibodies,
- or positive HBsAg
- or positive anti-HCV antibody or quantifiable HCV-RNA.
- For subjects with no previous result report, whether to conduct testing of
serostatus during the screening period will be at the discretion of the
investigator;
10. Medical history (=6 months before treatment) or evidence of any serious and/or
uncontrolled medical condition or circumstances that the investigator and sponsor
believe may affect the subject's participation in the study, for example:
- Non-malignant disease that is not under control or the existing disease control
of which could be jeopardized by the treatment in this study;
- Malignant decompensated liver disease;
- Severe gastrointestinal abnormalities or chronic diseases that affect absorption
or intravenous nutritional needs, including inability to swallow formula
products, delayed gastric emptying, chronic diarrhea associated with intestinal
malabsorption, ulcerative colitis, or Crohn's disease requiring any dose level of
steroids, refractory nausea and vomiting, and/or prior surgery.
11. With medical history (=6 months before treatment initiation) or evidence of any of the
following: acute myocardial infarction, unstable angina, coronary artery bypass
grafting, cerebrovascular accident, or transient cerebral ischemic attack;
12. Subjects with impaired cardiac function or clinically significant cardiac diseases,
including any of the following; congenital long QT syndrome;
- Severe ventricular or supraventricular arrhythmia (in the absence of other
cardiac abnormalities, atrial fibrillation patients with sinus arrhythmia or slow
ventricular rate are eligible);
- LVEF<50% evaluated by ECHO or MUGA;
- Resting bradycardia (<50 beats per min) is determined by the mean of 3 heart rate
values from three qualified ECG screenings;
- Other serious heart diseases, such as congestive heart failure of Class III-IV
according to New York Heart Association (NYHA);
13. Subjects with a QT interval >470 ms corrected by the Fridericia formula (determined by
the mean of 3 QTcF values from three qualified ECG screenings) during the screening
phase;
14. Medical history (=6 months before treatment) or evidence of concomitant diseases that
may prolong the QT interval according to the judgment of investigators and medical
monitors;
15. Medical history (=6 months before treatment) or evidence of severe inflammatory or
vascular ocular diseases (e.g., retinal vein occlusion);
16. Subjects with unhealed toxicity higher than Grade 1 before treatment, except for those
with hair loss (alopecia), Grade 2 neuropathy (if permitted by the investigator) or
hemoglobin of 9-10 g/dL;
17. Medical history (=6 months before treatment) or evidence of malignant biliary
obstruction, except for those with normal biliary stent function:
18. Pregnant or breastfeeding women;
19. History of bone marrow transplant or solid organ transplant;
20. Use of systemic anticancer drugs (except for the antiandrogen therapy treating
prostate cancer) or study drugs within 28 days prior to the first dose of FHND5071;
21. Medical history of radiation therapy within 28 days prior to the first dose of
FHND5071, or radiation therapy possibly required at any time until 30 days after the
last dose of FHND5071, except for palliative radiation therapy limited to non-targeted
lesions;
22. Medical history (within 28 days after the treatment starts) or evidence of major
surgery or trauma, or potentially required surgery during treatment (the severity will
be determined by the investigator in consultation with the medical monitor) ;
23. Medical history of transfusion of whole blood, red blood cells or platelets within 2
weeks before the start of treatment;
24. Patients using erythropoietin or granulocyte colony-stimulating factor (G-CSF),
filgrastine or filgrastine for less than or equal to 2 weeks before treatment;
25. Medical history of medication known to have risk of inducing torsades de pointes
(arrhythmia due to drug-induced QTc prolongation) within 2 weeks before treatment
until EOT follow-up.
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