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Clinical Trial Record

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OH2 Oncolytic Viral Therapy in Pancreatic Cancer

2021-02-02

2023-05-04

2023-05-04

5

Study Overview

OH2 Oncolytic Viral Therapy in Pancreatic Cancer

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.

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.

  • Pancreatic Cancer
  • BIOLOGICAL: OH2 injection
  • BH-OH2-006

Study Record Dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Registration Dates Results Reporting Dates Study Record Updates

2020-11-16  

N/A  

2023-11-21  

2020-11-16  

N/A  

2023-11-24  

2020-11-20  

N/A  

2023-11  

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

Design Details

Primary Purpose:
Treatment

Allocation:
Na

Interventional Model:
Single Group

Masking:
None

Arms and Interventions

Participant Group/ArmIntervention/Treatment
EXPERIMENTAL: Dose expansion

OH2 injection will be administered at 1E+07 CCID50/mL .

BIOLOGICAL: OH2 injection

  • Oncolytic Type 2 Herpes Simplex Virus
Primary Outcome MeasuresMeasure DescriptionTime Frame
The objective response rate of patients with pancreatic cancer receiving OH2 injection.Tumor evaluation is performed according to RECIST1.1 and iRECIST1.1. The assessment result is the number and proportion of subjects with complete response + partial response.2 years
Secondary Outcome MeasuresMeasure DescriptionTime Frame
Evaluation of safety of OH2 injection in patients with pancreatic cancer.According to the version 5.0 of the National Cancer Institute Common Terminology Criteria for Adverse Events, the adverse events during the entire study period are evaluated.2 years
The disease control rate of patients with pancreatic cancer receiving OH2 injection.Tumor evaluation is performed according to RECIST1.1 and iRECIST1.1. The assessment result is the number and proportion of subjects with complete response + partial response + stable disease.2 years
The duration of response of patients with pancreatic cancer receiving OH2 injectionTumor evaluation is performed according to RECIST1.1 and iRECIST1.1. The time from the first assessment of complete response or partial response to the first assessment of disease progression or death from any cause.2 years
The progression free survival of patients with pancreatic cancer receiving OH2 injection.Tumor evaluation is performed according to RECIST1.1 and iRECIST1.1. Time from start of treatment to disease progression.2 years
To evaluate the impact of OH2 in patients with pancreatic cancer on the quality of lifeEvaluation based on EORTC QLQ-C30.2 years

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person’s general health condition or prior treatments.

Ages Eligible for Study:
ALL

Sexes Eligible for Study:
18 Years

Accepts Healthy Volunteers:

    Inclusion Criteria:
    1. The non-operative stage III or stage IV locally advanced or metastatic pancreatic cancer patients with clear diagnosis by pathology and/ or cytology. 2. Life expectancy >3 months. 3. 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; 4. Prior anti-tumor treatment including systemic, radical/extensive radiotherapy, targeted therapy, immunotherapy was over 28 days; 5. 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. 6. General physical condition score ECOG 0 ≤ 2 (including boundary value); 7. 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); 8. 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； 9. Weight≥40 kg； 10. Subjects with herpes in the reproductive organs needed three months after the end of herpes. 11. The informed consent was voluntarily signed and the expected compliance was good.
    Exclusion Criteria:
    1. Patients diagnosed with pancreatic cancer without pathology and/ or cytology; 2. The target lesion has received local non-drug therapy (including radiotherapy, physical and/or chemical ablation, etc.), and no imaging disease progression has occurred； 3. Central nervous system metastasis or cancerous meningitis is known to occur. For suspected central nervous system metastasis, head MRI examination is required; 4. Patients with Vater's ampullary carcinoma or biliary adenocarcinoma； 5. Patients with partial or complete intestinal obstruction and complete biliary obstruction that cannot be relieved by active treatment; 6. 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； 7. 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; 8. Pregnant or lactating female; 9. Suffer from severe chronic or active infections, including tuberculosis, syphilis, AIDS (HIV antibody positive)； 10. 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; 11. 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); 12. 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； 13. 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)； 14. Known to be allergic or intolerant to OH2 and its excipients； 15. The researchers believe that there is any reason why the patient is not suitable to participate in this trial.

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Publications

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

No publications available

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NPCF was founded on May 29, 2009 and is a 501(c)(3) organization. All donations are tax deductible.

The information and services provided by the National Pancreatic Cancer Foundation are for informational purposes only. The information and services are not intended to be substitutes for professional medical advice, diagnosis or treatment. The National Pancreatic Cancer Foundation does not recommend nor endorse any specific physicians, products or treatments even though they may be mentioned on this site.

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