Clinical Trial Details
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NCT03435952 : Pembrolizumab With Intratumoral Injection of Clostridium Novyi-NT
PhasePhase 1
AgesMin: 18 Years Max: N/A
Inclusion Criteria:

1. Diagnosis of an advanced solid tumor malignancy. There must be a target tumor which is
measureable, palpable or clearly identifiable under ultrasound or radiographic
guidance and amenable to percutaneous injection of C. novyi-NT spores. The targeted
lesion must have a longest diameter >/= 1 cm and < 12 cm and be measurable as defined
by RECIST 1.1 criteria. The target lesion must not be located in either the thoracic,
abdominal or pelvic cavities or in the brain. There must be no clinical, no
functional, and no radiographic evidence of bone involvement at the site of the target

2. History of prior treatment with at least one line of systemic anticancer therapy, when
an approved systemic therapy is available, and no curative option is available for
continued treatment.

3. At least 4 weeks have elapsed since the completion of major surgery, and the patient
has fully recovered from this surgery and any post-surgical complications.

4. Patient must have adequate organ function as indicated by the following laboratory
values. Hematological: Absolute neutrophil count (ANC) >/=1,500/mcL; Platelets
>/=100,000/mcL; Hemoglobin >/=9g/dL or >/= 5.6 mmol/L. Renal: Serum creatinine X upper limit of normal (ULN. Hepatic: serum total bilirubin bilirubin 1.5 ULN; AST (SGOT) and
ALT (SPGT) Coagulation: International Normalized ration (INR) or Prothrombin Time (PT) ULN unless patient is receiving anticoagulant therapy as long as PT of PTT is within
therapeutic range of intended use of anticoagulants; Activated partial Thromboplastin
Time (aPTT) PT of PTT is within therapeutic range of intended use of anticoagulants.

5. Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1.

6. Patient is at least 18 years of age.

7. Patient is capable of giving informed consent.

8. Female patient of childbearing potential has a negative urine or serum pregnancy test.
If the urine test is positive or cannot be confirmed as negative, a serum pregnancy
test will be required. The serum pregnancy test must be negative for the patient to be

9. Patient of childbearing potential is using either 2 adequate barrier methods or a
barrier method plus a hormonal method of contraception to prevent pregnancy or to
abstain from heterosexual activity throughout the study, starting with Visit 1 through
120 days after the last dose of study therapy. Approved contraceptive methods include
2 of the following barrier methods or one barrier method combined with a hormonal
contraceptive: a. Intra uterine device, diaphragm with spermicide, cervical cap with
spermicide, male condoms, or female condom with spermicide. Spermicides or condoms
alone are not an acceptable method of contraception. b. Male patients must agree to
use an adequate method of contraception starting with the first dose of study drug
through 120 days after the last dose of study therapy.

10. Patient has no significant valvular heart disease (trace or mild valvular stenosis or
regurgitation is allowed).

11. Patient is able to stay within 45 minutes driving time of an emergency room for 28
days after dosing with C. novyi-NT.

12. The patient has a caregiver for 28 days after dosing with C. novyi-NT.

13. Patient has a tumor sample from C. novyi-NT planned injected tumor lesion (newly
obtained biopsy) for PD-L1 and immunologic response assessments. Patients must submit
the tumor sample during screening at a central pathology laboratory.

Exclusion Criteria:

1. Patient who has had chemotherapy, radiation therapy, or biological cancer therapy
within four weeks prior to the first dose of study drug, or who has not recovered to
CTCAE Grade 1 or better from the AEs due to cancer therapeutics administered more than
four weeks earlier.

2. Patient is currently participating or has participated in a study of an
investigational agent or using an investigational device within 30 days of the first
dose of study drug. (A patient in the survival Follow up phase of an investigational
agent where no further treatment is expected is eligible).

3. Patient is on any systemic corticosteroid therapy within one week before the planned
date for first dose of treatment or on any other form of immunosuppressive medication.

4. Documented primary brain malignancy or brain metastases.

5. Patient previously had a severe hypersensitivity reaction to treatment with another

6. Patient has an active autoimmune disease or a documented history of autoimmune disease
or syndrome that requires systemic steroids or immunosuppressive agents. Patients with
vitiligo or resolved childhood asthma/atopy would be an exception to this rule.
Patients that require intermittent use of bronchodilators or local steroid injections
would not be excluded from the study. Patients with hypothyroidism stable on hormone
replacement will not be excluded from the study.

7. Patient has an active infection requiring systemic therapy.

8. Patient has known history of Human Immunodeficiency Virus (HIV) (HIV ½ antibodies).

9. Patient has a known history of or is positive for Hepatitis B (HBsAg reactive) or
Hepatitis C (HCV RNA [qualitative] is detected).

10. Patient is pregnant or breastfeeding, or expecting to conceive or father children
within the projected duration of the study.

11. Patient has received a live vaccine within 30 days prior to first dose.

12. Patient has a foreign body which in the opinion of the treating investigator could be
difficult to manage in case of infection.

13. Clinically significant pleural effusion.

14. Clinically significant pericardial effusion, circumferential pericardial effusion, or
any effusion greater than 1.0 cm at any location around the heart.

15. Need for ongoing treatment with an immunosuppressive agent.

16. History of solid organ transplantation (with the exception of a corneal transplant > 3
months prior to screening).

17. History of an ischemic insult in the previous 12 months (myocardial infarction,
cerebral vascular accident, ischemic tissue from injury, transient ischemic attack).

18. History of a significant medical illness deemed by the PI as unsuitable for the trial.
For example: i. Symptomatic congestive heart failure ii. Psychiatric Illness/social
situation that may make study dangerous iii. Unstable angina pectoris.

19. History of asplenia.

20. Antibiotic allergies that would preclude treatment for a C. novyi-NT infection.

21. Treatment with antibiotics within 2 weeks (14 days) of dosing.

22. Oxygen saturation (Sp02) of less than 95% on room air.

23. Mean arterial blood pressure (BP) of less than 70 mmHg.

24. Glasgow Coma Score of less than 15.

25. History of (non-infectious) pneumonitis that required steroids or current pneumonitis.
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