OH2 Oncolytic Viral Therapy in Pancreatic Cancer

  • STATUS
    Recruiting
  • End date
    Nov 30, 2022
  • participants needed
    25
  • sponsor
    Wuhan Binhui Biotechnology Co., Ltd.
Updated on 25 March 2022
paclitaxel
measurable disease
metastasis
liver metastasis
gemcitabine
irinotecan
cancer chemotherapy
metastatic pancreatic cancer

Summary

This phase Ib/II study evaluates the safety and efficacy of OH2 in patients with locally advanced/metastatic pancreatic cancer who have failed first-line standard treatment.

OH2 is an oncolytic virus developed upon genetic modifications of the herpes simplex virus type 2 strain HG52, allowing the virus to selectively replicate in tumors. Meanwhile, the delivery of the gene encoding human granulocyte macrophage colony-stimulating factor (GM-CSF) may induce a more potent antitumor immune response.

Description

OH2 injection ≤ 4 mL, administered by intratumoral injection of EUS-FNA, administered on the first day of the first cycle, every 3 weeks thereafter, administered on the 1st day of each cycle ± 3 days, continuous administration does not more than 6 treatment cycles.

Details
Condition Pancreatic Cancer
Treatment OH2 injection
Clinical Study IdentifierNCT04637698
SponsorWuhan Binhui Biotechnology Co., Ltd.
Last Modified on25 March 2022

Eligibility

Yes No Not Sure

Inclusion Criteria

The non-operative stage III or stage IV locally advanced or metastatic pancreatic cancer patients with clear diagnosis by pathology and/ or cytology
Life expectancy >3 months
Have received at least first-line or more systemic chemotherapy and failed. The definition of failure: Receiving first-line systemic chemotherapy means having used first-line chemotherapy such as gemcitabine, or tigeo capsule, or albumin paclitaxel, or liposomal irinotecan, or FOLFINOX.During or after treatment, the disease progression or toxic side effects are intolerable, and there must be imaging evidence or clinical evidence to prove the disease progression. For neoadjuvant/adjuvant therapy (chemotherapy or radiotherapy), if disease progression occurs during treatment or within 6 months after stopping treatment, it should be counted as a failure of first-line treatment
Prior anti-tumor treatment including systemic, radical/extensive radiotherapy, targeted therapy, immunotherapy was over 28 days
According to RECIST version 1.1, there is at least one measurable lesion that is suitable for intratumoral injection. The measured non-nodular lesions is defined as the longest diameter ≥ 10 mm . For lymph node lesions, the short diameter is ≥ 15 mm.If the measurable lesions located in the radiation field of previous radiotherapy or after local treatment are confirmed to have progressed, they can also be selected as target lesions
General physical condition score ECOG 0 ≤ 2 (including boundary value)
a) Blood routine: ANC≥1.5×10^9/L, PLT≥80×10^9/L, Hb≥9.0 g/dL.Note: 14 days before the examination, it is not allowed to use any blood components, cell growth factors and other interventions to make the indicators reach the normal range;b) Liver function: TBIL≤ 1.5 times the upper limit of the normal value, ALB≥30 g/L, ALT and AST ≤ 2.5 times the upper limit of normal value; The value of patients with liver metastasis did not exceed 5 times the upper limit of normal value.; c) Renal function: Scr≤1.5 times the upper limit of the normal value,Ccr≥50mL/min (Cockcroft-Gault); d) Coagulation function is normal (PT and APPT are within 1.5 times of the upper limit of normal value)
Women of childbearing age had a negative pregnancy test result within 7 days before enrollment. Female subjects and their spouses received effective contraceptives during and within 6 months of treatment;
Weight≥40 kg;
Subjects with herpes in the reproductive organs needed three months after the end of herpes
The informed consent was voluntarily signed and the expected compliance was good

Exclusion Criteria

Patients diagnosed with pancreatic cancer without pathology and/ or cytology
The target lesion has received local non-drug therapy (including radiotherapy, physical and/or chemical ablation, etc.), and no imaging disease progression has occurred;
Central nervous system metastasis or cancerous meningitis is known to occur. For suspected central nervous system metastasis, head MRI examination is required
Patients with Vater's ampullary carcinoma or biliary adenocarcinoma;
Patients with partial or complete intestinal obstruction and complete biliary obstruction that cannot be relieved by active treatment
With more than a moderate amount of ascites, or after conservative medical treatment (such as diuresis, sodium restriction, excluding ascites drainage) for 2 weeks, the ascites still shows a progressive increase;
A history of other malignant tumors in the past 5 years, except for the following two cases: a. Other malignant tumors treated by a single operation, achieving 5 consecutive years of disease-free survival; b. Cured skin basal cell carcinoma and cured cervical carcinoma in situ
Pregnant or lactating female
Suffer from severe chronic or active infections, including tuberculosis, syphilis, AIDS (HIV antibody positive);
Hypertension that cannot be effectively controlled (defined as systolic/diastolic blood pressure ≥150/100 mmHg or meeting one of them after treatment with standardized antihypertensive drugs); Angina pectoris or unstable angina pectoris occurred within the last 3 months, myocardial infarction or cardiac insufficiency occurred within 1 year before enrollment (heart function ≥ New York Heart Association NYHA grade II); Severe arrhythmia requiring medical treatment, left ventricular ejection fraction <50%; QTc interval male>450ms, female>470ms; Or there are risk factors for torsade de pointes ventricular tachycardia, such as clinically significant hypokalemia as judged by the investigator; Family history of long QT syndrome or family history of arrhythmia (such as WPW syndrome); Schizophrenia, or history of psychotropic drug abuse
Suffer from acute or chronic active hepatitis (Hepatitis B reference: HbsAg positive and HBV DNA viral load ≥200IU/mL or ≥10^3 copies/mL, HCV antibody positive and HCV RNA positive)
Received any of the following treatments within a certain period of time before enrollment: a.Received second-level or above surgery within 4 weeks (regardless of tumor-related or not), except for minimally invasive surgery under gastrointestinal endoscope; b. Received extended-range radiotherapy within 4 weeks, or received local-range radiotherapy within 2 weeks; c. Other clinical studies have been taken in the past 4 weeks; d. Received local anti-tumor therapy within 4 weeks;
Toxicity caused by previous anti-tumor therapy before the first dose has not yet recovered to NCI CTCAE version 5.0 grade 0 or 1 (excluding hair loss, skin pigmentation, and non-clinically significant and asymptomatic laboratory abnormalities);
Known to be allergic or intolerant to OH2 and its excipients;
The researchers believe that there is any reason why the patient is not suitable to participate in this trial
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