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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/ct2/show/NCT05642949
Registration number
NCT05642949
Ethics application status
Date submitted
30/11/2022
Date registered
8/12/2022
Date last updated
9/01/2023
Titles & IDs
Public title
Study of MHB036C in Participants With Advanced or Metastatic Solid Tumors
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Scientific title
Phase 1/2, Multi-center, Open-label, Dose Escalation and Cohort Expansion Study to Evaluate the Safety/Tolerability, Pharmacokinetics and Efficacy of MHB036C in Participants With Advanced or Metastatic Solid Tumors
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Secondary ID [1]
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MHB036C-CP001EN
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Universal Trial Number (UTN)
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Advanced Solid Tumor
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Condition category
Condition code
Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Drugs - MHB036C
Experimental: Dose Escalation - All Participants - All participants enrolled in the dose escalation part.
Experimental: Dose Expansion - All Participants - All participants enrolled in the dose expansion part
Treatment: Drugs: MHB036C
MHB036C will be administered intravenously at a frequency of once every 3 weeks (Q3W).
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Intervention code [1]
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Treatment: Drugs
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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Number of participants with adverse events
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Assessment method [1]
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Adverse events was assessed by investigator(s) according to NCI-CTCAE v5.0
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Timepoint [1]
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From the day of the first dose of MHB036C to 30 days after the day of the last dose of MHB036C
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Primary outcome [2]
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Number of participants with dose-limiting toxicities
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Assessment method [2]
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Dose-limiting toxicities are defined as side effects of a drug or other treatment that are serious enough to prevent an increase in dose or level of that treatment
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Timepoint [2]
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21 days after the first dose of MHB036C
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Secondary outcome [1]
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Pharmacokinetics (PK) parameter: Maximum concentration (Cmax)
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Assessment method [1]
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Categories: MHB036C, total antibody, free toxin MH30010008
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Timepoint [1]
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Within 5 cycles (each cycle is 21 days)
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Secondary outcome [2]
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PK parameter: Time to maximum concentration (Tmax)
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Assessment method [2]
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Categories: MHB036C, total antibody, free toxin MH30010008
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Timepoint [2]
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Within 5 cycles (each cycle is 21 days)
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Secondary outcome [3]
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PK parameter: Area under the concentration-time curve (AUC)
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Assessment method [3]
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Categories: MHB036C, total antibody, free toxin MH30010008
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Timepoint [3]
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Within 5 cycles (each cycle is 21 days)
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Secondary outcome [4]
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PK parameter: Trough concentration (Ctrough)
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Assessment method [4]
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Categories: MHB036C, total antibody, free toxin MH30010008
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Timepoint [4]
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Within 5 cycles (each cycle is 21 days)
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Secondary outcome [5]
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PK parameter: Terminal or apparent terminal half-life (t1/2)
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Assessment method [5]
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Categories: MHB036C, total antibody, free toxin MH30010008
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Timepoint [5]
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Within 5 cycles (each cycle is 21 days)
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Secondary outcome [6]
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PK parameter: Systemic clearance (CL)
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Assessment method [6]
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Categories: MHB036C, total antibody, free toxin MH30010008
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Timepoint [6]
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Within 5 cycles (each cycle is 21 days)
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Secondary outcome [7]
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Immunogenicity Assessment
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Assessment method [7]
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Assessment of anti-drug antibody (ADA)
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Timepoint [7]
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Within 5 cycles (each cycle is 21 days)
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Secondary outcome [8]
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Objective Response Rate (ORR)
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Assessment method [8]
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Objective Response Rate was defined as the percentage of participants with a complete response (CR) or partial response (PR)
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Timepoint [8]
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24 months
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Secondary outcome [9]
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Duration of Response (DOR)
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Assessment method [9]
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DOR was defined as the time from first assessment of PR or CR until disease progression.
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Timepoint [9]
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24 months
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Secondary outcome [10]
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Disease Control Rate (DCR)
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Assessment method [10]
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DCR was defined as the proportion of participants with a complete response (CR), partial response (PR) or stable disease (SD).
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Timepoint [10]
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24 months
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Secondary outcome [11]
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Progression Free Survival (PFS)
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Assessment method [11]
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Progression-free Survival (PFS) (median) was determined using the number of months measured from the initial date of treatment to the date of documented progression, or the date of death (in the absence of progression) of participants. Progression is defined using Response Evaluation Criteria In Solid Tumors Criteria (RECIST v1.1), as a 20% increase in the sum of the longest diameter of target lesions, or a measurable increase in a non-target lesion, or the appearance of new lesions.
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Timepoint [11]
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24 months
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Eligibility
Key inclusion criteria
Participants enrolled must meet all of the following criteria:
General conditions
1. Participants voluntarily agree to participate in the study and sign the Informed
Consent Form (ICF).
2. Participants aged 18 years or older (inclusive), without gender limitation.
3. Participants with ECOG performance score of 0 ~ 1.
4. Participants with expected survival time of more than 3 months.
5. Eligible participants of childbearing potential (males and females) must agree to take
reliable contraceptive measures (hormone or barrier method, or absolute abstinence,
etc.) with their partners during the study and within at least 90 days after the last
dose; female participants of childbearing potential must have a negative results of
blood pregnancy test within 7 days before the first dose of the investigational
product, and must be non-lactating.
6. Participants who are able to understand study requirements, and willing and able to
comply with arrangements of study and follow-up procedures.
Neoplasm-related criteria
7. Participants to be enrolled in part one must have histologically or cytologically
confirmed advanced or metastatic solid tumors, which have failed or are intolerant to
standard of care (SOC), or for which no SOC is available;
8. Participants to be enrolled in part two must have histologically or cytologically
confirmed advanced or metastatic solid tumors, including but not limited to the
following types: non-small cell lung cancer (NSCLC); small cell lung cancer (SCLC);
pancreatic ductal adenocarcinoma (PDAC); head and neck squamous cell carcinoma
(HNSCC); esophageal squamous cell carcinoma (ESCC); urothelial carcinoma (UC); ovarian
cancer (OC); endometrial cancer (EC); breast cancer (BC); gastric cancer (GC);
castration-resistant prostate cancer (CRPC); sweat gland carcinoma (SGC).
1. Additional criteria for enrollment of participants with NSCLC:
- Participants with unresectable advanced NSCLC who have failed standard of
care with platinum doublet chemotherapy and immune-checkpoint inhibitors
(ICIs), and are not suitable for radical therapy (NSCLC participants with
driver gene mutations should have failed or are intolerant to targeted
therapy for the corresponding driver gene mutation, or unsuitable for the
corresponding targeted therapy as per investigator's evaluation ).
2. Additional criteria for enrollment of participants with SCLC:
- Participants with unresectable or metastatic SCLC who have previously
received at least one line of systemic chemotherapy, including
platinum-based chemotherapy and immune-checkpoint inhibitors (ICIs)
3. Additional criteria for enrollment of participants with PDAC:
- Participants with unresectable or metastatic PDAC who have previously
received at least one line of systemic chemotherapy, including any stage in
neoadjuvant/adjuvant/ palliative therapy
4. Additional criteria for enrollment of participants with HNSCC:
- Participants with unresectable advanced or metastatic HNSCC who have
previously received at least one line of systemic chemotherapy, including
platinum-based chemotherapy and ICIs (combined or sequential therapy).
5. Additional criteria for enrollment of participants with ESCC:
- Participants with unresectable or metastatic ESCC who have previously
received at least one line of systemic chemotherapy (platinum-based
chemotherapy).
6. Additional criteria for enrollment of participants with UC:
- Participants with unresectable, locally progressed, or metastatic
(histologically including transitional cells and mixed of
transitional/non-transitional cells) UC (sites of occurrence including renal
pelvis, ureter, bladder, and urethra) who have previously received at least
one line of chemotherapy, including platinum-based chemotherapy and ICIs
(combined or sequential therapy).
7. Additional criteria for enrollment of participants with OC:
- Participants with OC (including rare types of epithelial ovarian cancer
stipulated in the NCCN guidelines as well as fallopian tube cancer and
primary peritoneal cancer) who had tumor recurrence or metastasis after
receiving at least one line of platinum-based chemotherapy
8. Additional criteria for enrollment of participants with EC:
- Participants with recurrent or incurable EC who had tumor recurrence or
progression following previous radical therapy, and subsequently received
therapies including standard systemic therapy.
9. Additional criteria for enrollment of participants with BC:
- For participants with advanced/unresectable or metastatic TNBC: Participants
who have received at least 1 line of systemic chemotherapy with
anthracyclines and taxanes included in the prior systemic therapy
(regardless of neoadjuvant/adjuvant/palliative therapy).
- For BC participants with hormone receptor (HR) positive (ER+ and/or PR+) and
HER2 expression negative (IHC 0, 1+ or IHC 2+ with ISH-): Participants who
are intolerant or resistant to endocrine therapy, or unsuitable for
endocrine therapy as per investigator's evaluation.
- For BC participants with HER2 expression positive (IHC 3+ or IHC 2+ with
ISH+): Participants who have previously received at least 1 line of therapy,
which included HER2-targeted therapy.
10. Additional criteria for enrollment of participants with GC:
- Participants with unresectable or metastatic GC who have previously received
at least one line of standard systemic chemotherapy, while the previous
treatment regimens of HER2-positive (IHC 3+ or IHC 2+ with ISH+)
participants must include HER2-targeted therapy.
11. Additional criteria for enrollment of participants with CRPC:
- Absence of neuroendocrine differentiation or small cell histology confirmed
by histopathology;
- Underwent surgical or medical castration, with testosterone levels below 50
ng/dL;
- Objective progression as determined by radiographic progression after
androgen deprivation therapy;
- Participants has relapsed or progressed after receiving at least one of the
following medications: abiraterone, enzalutamide, apalutamide, or
darolutamide;
- Participants has relapsed or progressed after previously docetaxel-based or
mitoxantrone-based cytotoxic chemotherapy for metastatic CRPC;
- Participants with at least 1 documented lesion confirmed by either a bone
scan or a CT/MRI scan.
12. Sweat gland carcinoma (SGC): unresectable or metastatic SGC.
9. Participants who agree to provide the pre-treatment tumor tissue samples for
retrospective testing of target expression and other biomarkers (participants who
agree but are unable to provide pre-treatment tumor tissue sample may also be
enrolled). Expression of target in tumor tissue samples collected from participants
will not be used as a criterion for participant enrollment.
10. Participants with at least one measurable tumor lesion as per RECIST v1.1 (generally,
tumor lesions located in a previously irradiated areas or other locoregional treatment
sites will not be considered as measurable lesions, unless the lesions have clearly
progressed or still persist three months after radiotherapy); for participants with
CRPC, evaluable lesions as defined by PCWG3 criteria, or at least one measurable tumor
lesion as per RECIST v1.1 are required.
Adequate bone marrow reserve and organ functions:
11. Adequate bone marrow reserve (without transfusion, treatment of colony-stimulating
factor, or biologics with similar effects within 7 days prior to the screening);
- Absolute neutrophil count (ANC) = 1.5 × 109/L;
- Platelet count = 100 × 109/L;
- Hemoglobin = 9.0 g/dL.
12. Adequate hepatic function (with reference to normal values specified by the clinical
study site):
- Total bilirubin (TBIL) = 1.5 × upper limit of normal (ULN); TBIL = 2.0 × ULN if
Gilbert's syndrome is present; TBIL = 3.0 × ULN is permitted if direct bilirubin
(DBIL) suggests extrahepatic obstruction.
- For participants with non-hepatic tumors and without hepatic metastases,
aspartate aminotransferase (AST) and alanine aminotransferase (ALT) shall be =
3.0 × ULN; for participants with hepatic tumors or hepatic metastases, AST and
ALT shall be = 5.0 × ULN;
13. Adequate renal function (with reference to normal values specified by the clinical
study site):
- Creatinine (Cr) = 1.5 × ULN; when Cr > 1.5 × ULN, only participants with
creatinine clearance (Ccr) = 50 mL/min can be enrolled (using Cockcroft-Gault
formula);
14. Adequate coagulation function:
- Activated partial thromboplastin time (APTT) = 1.5 × ULN, and international
normalized ratio (INR) = 1.5.
15. Adequate cardiac function:
- Left ventricular ejection fraction (LVEF) = 50% by echocardiogram within 28 days
prior to enrollment;
- New York Heart Association (NYHA) Class < grade 3.
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Minimum age
18
Years
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Maximum age
No limit
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
Participants will be not enrolled if they meet any of the following exclusion criteria:
Neoplasm-related criteria:
1. Participants with 2 or more malignancies (except effectively treated non-melanoma skin
cancer, cervical carcinoma in situ or other tumors, or malignancies considered cured)
within 5 years prior to sign the Informed Consent Form.
2. Participants who have received chemotherapy within 3 weeks prior to the first dose of
investigational product, or have received target therapy within 2 weeks prior to the
first dose, or have received anti-tumor therapy including radiation therapy, biologic
therapy, endocrine therapy, immunotherapy, etc. within 4 weeks prior to the first
dose; or participants with the following conditions:
- Medication of nitrosourea or mitomycin C within 6 weeks prior to the first dose
of MHB036C;
- Medication of oral fluoropyrimidines or small molecule targeted agents within 5
half-lives of such drug before first dose of investigational product.
- Medication of traditional Chinese medicine with anti-tumor indications within 2
weeks prior to the first dose of investigational product.
3. Medication of other unmarketed investigational products or therapies within 4 weeks
prior to the first dose of investigational product.
4. Presence of brain metastases and/or carcinomatous meningitis. Participants previously
treated for brain metastases may be considered to be enrolled in this study, provided
they have been in stable condition for at least 1 month, have no progression confirmed
by radiographic examination within 4 weeks prior to the first dose of investigational
product, all neurological symptoms have recovered, no evidence of new or enlarging
brain metastases, and radiation or surgical had been discontinued for at least 14 days
prior to the first dose of investigational product, or with steroid therapy =10 mg/day
prednisone or equivalent dose of similar drugs within 14 days prior to the first dose
of investigational product or during the study. This exception does not include
carcinomatous meningitis, which should be excluded regardless of clinical stability.
5. Participants previously received same targeted therapy will be excluded.
6. Participants with adverse reactions from previous anti-tumor therapy that have not
recovered to =Grade 1 as per CTCAE 5.0 (except for toxicities without safety risks as
determined by the investigator, such as alopecia, hypothyroidism stably managed by
hormone replacement therapy, etc.).
General conditions:
7. Participants underwent major organ surgery (excluding biopsy) or significant trauma
within 4 weeks prior to the first dose of investigational product or require elective
surgery during the study.
8. Participants vaccinated with attenuated live vaccines (except for SARS-CoV-2
vaccination) within 4 weeks prior to the first dose of investigational product.
9. Participants received treatment with systemic corticosteroids (prednisone at > 10
mg/day, or similar drugs at equivalent dose) or other immunosuppressive agents within
14 days prior to the first dose of investigational product, with the following
exceptions:
- Treatment with topical, ocular, intra-articular, intranasal, and inhaled
corticosteroids;
- Short-term use of glucocorticoids for prophylaxis (e.g., prevention of contrast
media allergy).
10. Participants with clinically severe pulmonary compromise resulting from intercurrent
pulmonary illnesses including, but not limited to, any underlying pulmonary disorder,
or any autoimmune, connective tissue or inflammatory disorders with pulmonary
involvement, or prior pneumonectomy.
11. Participants with history of non-infectious interstitial lung disease
(ILD)/pneumonitis that required steroids, or has current ILD/pneumonitis, or where
suspected ILD/pneumonitis that cannot be ruled out by imaging examination at
screening.
12. Participants with active pulmonary tuberculosis.
13. Participants with clinically diagnosed corneal disease.
14. Participants with current active infection requiring systemic therapy.
15. Participants with positive results in virus serology tests (participants receiving
antiviral prophylaxis other than interferon are allowed to be enrolled):
- anti-HIV antibody positive;
- Or, positive results of both HBsAg and HBV-DNA (i.e., HBV-DNA result is not below
the LOD);
- Or, positive results of both HCV Ab and HCV-RNA (i.e., HCV-RNA result is not
below the LOD).
16. History of serious cardiovascular and cerebrovascular diseases, including but not
limited to:
- Severe heart rhythm or conduction abnormalities, such as ventricular arrhythmia
requiring clinical intervention, or second-degree to third-degree
atrioventricular block;
- Fridericia-corrected QT interval (QTcF) > 450 ms for males or > 470 ms for
females;
- Acute coronary syndrome, congestive heart failure, aortic dissection, stroke and
other major cardiovascular and cerebrovascular events within 6 months prior to
the first dose;
- New myocardial infarction or unstable angina within 6 months prior to enrollment;
- Clinically uncontrolled hypertension;
17. Participants with active autoimmune disorders (such as systemic lupus erythematosus,
rheumatoid arthritis, vasculitis, etc.), except for participants with clinically
stable autoimmune thyroid disease or type I diabetes mellitus.
18. Participants with clinically uncontrolled effusion in third spacing, deemed as
inappropriate for enrollment by the investigator.
19. Participants known to have hypersensitivity or delayed hypersensitivity to certain
components or analogues of the study drug.
20. Participants with drug abuse or any other medical conditions, such as clinically
significant cardiac or psychological conditions that, in the opinion of the
investigator, may interfere with study participation or the results of the clinical
study.
21. Participants known to have alcohol or drug abuse.
22. Females who are pregnant or lactating, or males/females who plan for childbirth.
23. Participants who are estimated to have poor compliance in study participation, or
unsuitable to participate this clinical study by the opinion of the investigator for
the history of other serious systemic disorders, or with other reasons.
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Study design
Purpose of the study
Treatment
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Allocation to intervention
Randomised controlled trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Open (masking not used)
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Who is / are masked / blinded?
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Intervention assignment
Other
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Other design features
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Phase
Phase 1/Phase 2
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Not yet recruiting
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
23/01/2023
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Actual
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
30/06/2026
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Actual
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Sample size
Target
400
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
QLD,SA,VIC
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Recruitment hospital [1]
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Pindara Private Hospital - Gold Coast
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Recruitment hospital [2]
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Southern Oncology Clinical Research Unit - Adelaide
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Recruitment hospital [3]
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Cabrini Health - Melbourne
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Recruitment postcode(s) [1]
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4217 - Gold Coast
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Recruitment postcode(s) [2]
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5042 - Adelaide
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Recruitment postcode(s) [3]
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3144 - Melbourne
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Funding & Sponsors
Primary sponsor type
Commercial sector/Industry
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Name
Minghui Pharmaceutical Pty Ltd
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Address
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Country
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Ethics approval
Ethics application status
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Summary
Brief summary
This study will evaluate the safety, pharmacokinetics, and anti-tumor efficacy of MHB036C in
participants with advanced or metastatic solid tumors.
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Trial website
https://clinicaltrials.gov/ct2/show/NCT05642949
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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Address
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Country
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Phone
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Fax
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Email
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Contact person for public queries
Name
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Minghui Pharmaceutical Contact for Clinical Trial Information
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Address
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Country
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Phone
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086-02160898367
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Fax
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Email
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[email protected]
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Contact person for scientific queries
Summary Results
For IPD and results data, please see
https://clinicaltrials.gov/ct2/show/NCT05642949
Download to PDF