Laser Interstitial Thermotherapy (LITT) Combined With Checkpoint Inhibitor for Recurrent GBM (RGBM)



Status:Recruiting
Conditions:Brain Cancer
Therapuetic Areas:Oncology
Healthy:No
Age Range:18 - Any
Updated:3/21/2019
Start Date:November 29, 2017
End Date:February 2020
Contact:Andrew Sloan, MD
Email:Andrew.Sloan@UHhospitals.org
Phone:216-844-6054

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Phase I/II Study of Laser Interstitial Thermotherapy (LITT) Combined With Checkpoint Inhibitor for Recurrent GBM (RGBM)

The purpose of this study is to test the side effects and efficacy of using Laser
Interstitial Thermotherapy (LITT) combined with Pembrolizumab. LITT is a minimally invasive
surgical technique that uses a laser to heat brain tumors.

Pembrolizumab is an investigational (experimental) drug that works by helping participants'
immune system work correctly to detect and fight cancer cells. Pembrolizumab is experimental
because it is not approved by the Food and Drug Administration (FDA), for this use, though it
is approved to treat other cancers.

Primary Objectives:

1. Phase I: To determine the optimal timing for combining LITT and pembrolizumab in
patients with rGBM:

• To determine the feasibility, safety, tolerability and side effect profiles for
combining LITT and pembrolizumab at various time points pre-LITT vs. post-LITT (Phase
I).

2. Phase II: To estimate the response to pembrolizumab combined with LITT in patients with
rGBM;

• To estimate the response rate after treatment with LITT combined with pembrolizumab in
patients with rGBM (Phase II).

3. To collect and record the side effect profiles for combining LITT and pembrolizumab
(Phase I and Phase II).

Secondary Objectives:

1. To determine the effect of pembrolizumab on systemic immune microenvironment in patients
with rGBM.

2. To determine the effect of pembrolizumab on the intra-tumoral immunosuppressive
microenvironment within rGBM.

3. Secondary for Phase II, to estimate progression free survival (PFS) and overall survival
(OS) after treatment with LITT combined with pembrolizumab in patients with rGBM (Phase
II).

4. Measure radiological response using both conventional RANO criterion, a modified RANO
(RANOi) designed specifically for immunotherapy response assessment, as well as MRI
fingerprinting (MRF), recently demonstrated by the PI and collaborators to accurately
and precisely distinguish recurrent GBM from radiation injury.

5. Correlate clinical and radiological response to known biomarkers of GBM such as
Isocitrate Dehydrogenase 1 (IDH-1) mutations, Isocitrate Dehydrogenase 2 (IDH-2)
mutations, Methyl-Guanine Methyl Transferase (MGMT) promoter methylation, Phosphatase
and tensin homologue (PTEN) loss and KI-67.

Study Design:

The Phase I component will involve up to two of a possible 3 cohorts of 3-4 patients each for
a total of 6-8 evaluable patients. Each patient will undergo a stereotactic biopsy. If GBM or
Gliosarcoma is confirmed by frozen section, patients will undergo LITT then treatment with
200 mg pembrolizumab IV. Cohort I will receive pembrolizumab on post operative day 14 and
every 3 weeks thereafter. In the event that one patient suffers non-hematologic toxicity of
grade 3 or more, or if hematologic toxicity is grade 4 or higher, the investigators will
delay the 2nd dose of pembrolizumab by 3 weeks and a 4th patient will be accrued. If there
are two patients in the initial cohort with non-hematologic toxicities grade 3, or if
hematological toxicity in two patients is grade 4 or higher, the second cohort will delay
initiation of pembrolizumab until post operative day 35 after LITT. Conversely, if there are
no non-hematologic adverse events (AEs) of grade 3 or higher, the investigators will proceed
to cohort IB using the same dose of pembrolizumab given 7 days prior to surgery, then every 3
weeks. Similarly, feasibility and safety will be addressed as above in deciding whether or
not to proceed to the next cohort.

The Phase II component of the study will consist of additional patients receiving
pembrolizumab at the earliest tolerated time post LITT:

- 14 days post-op

- -7 days pre-op;

- 35 days post-opto achieve a total of 23 evaluable patients at the earliest tolerated
dose.

Inclusion Criteria:

- Histopathologically proven diagnosis of glioblastoma or gliosarcoma prior to
registration by pathology report;

- The tumor must be confined to the supratentorial compartment

- The Formaldehyde Fixed-Paraffin Embedded tumor tissue block must be available to be
sent for retrospective central pathology review after registration).

- History/physical examination within 7 days prior to registration

- Karnofsky performance status ≥ 60 within 7 days prior to registration

- Adequate Organ Function Laboratory Values

- Absolute neutrophil count (ANC) ≥1,500/mcL

- Platelets ≥100,000/mcL

- Hemoglobin ≥9.0 g/gL or ≥5.6 mmol/L, without recent transfusion

- Creatine ≤1.7 x upper limit of normal (ULN) or Measure or Calculated creatinine
clearance ≥ 60.0mL/min for subject with creatinine levels > 1.5 X institutional
ULN (GFR can also be used in place of creatinine or CrCl)

- Total bilirubin ≤ 1.5 x ULN or Direct bilirubin ≤ ULN for subjects with total
bilirubin levels > 1.5 x ULN

- AST (SGOT) and ALT (SGPT) ≤ 2.5 x ULN or ≤ 5 x ULN for subjects with liver
metastases

- International Normalized Ratio (INR) or Prothrombin Time (PT) ≤ 1.5 x ULN unless
subject is receiving anticoagulant therapy as long as PT or PTT is within
therapeutic range of intended use of anticoagulants

- Activated Partial Thromboplastin Time (aPTT) ≤ 1.5 x ULN unless subject is
receiving anticoagulant therapy as long as PT or PTT is within therapeutic range
of intended use of anticoagulants

- Adequate hematologic function based on complete blood count (CBC)/differential within
7 days prior to registration defined as follows:

- Absolute neutrophil count ≥ 1,500 cells/mm3;

- Platelet count ≥ 100,000 cells/mm3

- Hgb > 9 g/dL (can be achieved with transfusion)

- Adequate renal function within 7 days prior to registration defined as follows:

- Blood Urea Nitrogen (BUN) ≤ 30 mg/dl and

- Serum creatinine ≤ 1.7 mg/dl

- Adequate hepatic function within 7 days prior to registration defined as follows:

- Total bilirubin (except patients with Gilbert's Syndrome, who are eligible for
the study but exempt from the total bilirubin eligibility criterion) ≤ 2.0 mg/dl
and

- Alanine Aminotransferase (ALT) and Aspartate Amino Transferase (AST) ≤ 2.5 x ULN

- The patient must have completed chemoradiation with Radiotherapy and Temozolomide of
the primary tumor according to standards of care

- The treating physician expects that the patient will not require more than physiologic
replacement dose of steroids defined as 32 mg of cortisone per day or its equivalent.

- Patients must have received no more than 3 prior therapies for Recurrent High Grade
Glioma

- Subjects must have the ability to understand and the willingness to sign a written
informed consent document.

- Female subject of childbearing potential should have a negative urine or serum
pregnancy test within 72 hours prior to receiving the first dose of study medication.
If the urine test is positive or cannot be confirmed as negative, a serum pregnancy
test will be required.

- Female subjects of childbearing potential should be willing to use 2 methods of birth
control or be surgically sterile, or abstain from heterosexual activity for the course
of the study through 120 days after the last dose of study medication. Subjects of
childbearing potential are those who have not been surgically sterilized or have not
been free from menses for > 1 year.

- Male subjects should agree to use an adequate method of contraception starting with
the first dose of study therapy through 120 days after the last dose of study therapy.

- Tumor diameter in the plane perpendicular to LITT trajectory must be ≤ 3.5 cm in
diameter

- It must be the surgeon's expectation that ≥ 90 of the tumor can be treated with LITT
to the yellow thermal damage threshold (TdT) line (ie, 43 degrees for 2 min)

- Tumor must be Unifocal & Unilateral

Exclusion Criteria:

- Use of an immunotherapy such as a vaccine therapy, dendritic cell vaccine or
intracavitary or convectional enhanced delivery of therapy in the past

- Prior invasive malignancy (except non-melanomatous skin cancer) unless disease free
for a minimum of 3 years

- Severe, active co-morbidity defined as follows:

- Unstable angina within the last 6 months prior to registration

- Transmural myocardial infarction within the last 6 months prior to registration

- Evidence of recent myocardial infarction or ischemia by the findings of S-T
elevations of ≥ 2 mm using the analysis of an EKG performed within 7 days prior
to registration

- New York Heart Association grade II or greater congestive heart failure requiring
hospitalization within 12 months prior to registration

- History of stroke, cerebral vascular accident (CVA) or transient ischemic attack
within 6 months prior to registration

- Serious and inadequately controlled cardiac arrhythmia

- Significant vascular disease (e.g., aortic aneurysm, history of aortic
dissection) or clinically significant peripheral vascular disease

- Evidence of bleeding diathesis or coagulopathy

- Serious or non-healing wound, ulcer, or bone fracture or history of abdominal
fistula, gastrointestinal perforation, intra-abdominal abscess major surgical
procedure, open biopsy, or significant traumatic injury within 28 days prior to
registration, with the exception of the craniotomy for tumor resection.

- Known history of Tuberculosis

- Acute bacterial or fungal infection requiring intravenous antibiotics at the time
of registration

- Chronic obstructive pulmonary disease exacerbation or other respiratory illness
requiring hospitalization or precluding study therapy at the time of registration

- Hepatic insufficiency resulting in clinical jaundice and/or coagulation defects

- Acquired immune deficiency syndrome (AIDS) based upon current Center for Disease
Control and Prevention (CDC) definition; note, however, that HIV testing is not
required for entry into this protocol. The need to exclude patients with AIDS
from this protocol is necessary because the treatments involved in this protocol
may be significantly immunosuppressive and worsen the patient's HIV symptoms.

- Active connective tissue disorders, such as lupus or scleroderma, which in the
opinion of the treating physician may put the patient at high risk for
immunologic toxicity.

- History of (non-infectious) pneumonitis that required steroids, evidence of
interstitial lung disease or active, non-infectious pneumonitis

- Patients with active autoimmune disease or history of autoimmune disease that
might recur, which may affect vital organ function or require immune suppressive
treatment including systemic corticosteroids, should be excluded. These include
but are not limited to patients with a history of immune related neurologic
disease, multiple sclerosis, autoimmune (demyelinating) neuropathy,
Guillain-Barre syndrome or Chronic Inflammatory Demyelinating Polyneuropathy,
myasthenia gravis; systemic autoimmune disease such as Systemic Lupus
Erythematosus, connective tissue diseases, scleroderma, inflammatory bowel
disease (IBD), Crohn's, ulcerative colitis, hepatitis; and patients with a
history of toxic epidermal necrolysis (TEN), Stevens-Johnson syndrome, or
phospholipid syndrome should be excluded because of the risk of recurrence or
exacerbation of disease.

- Of note, patients with vitiligo, endocrine deficiencies including thyroiditis
managed with replacement hormones including physiologic corticosteroids are
eligible. Patients with rheumatoid arthritis and other arthropathies, Sjögren's
syndrome and psoriasis controlled with topical medication and patients with
positive serology, such as antinuclear antibodies (ANA), anti-thyroid antibodies
should be evaluated for the presence of target organ involvement and potential
need for systemic treatment but should otherwise be eligible.

- Any other major medical illnesses or psychiatric impairments that in the
investigator's opinion will prevent administration or completion of protocol
therapy.

- Has a known additional malignancy that is progressing or requires active
treatment. Exceptions include basal cell carcinoma of the skin or squamous cell
carcinoma of the skin that has undergone potentially curative therapy or in situ
cervical cancer.

- Has known active central nervous system (CNS) metastases and/or carcinomatous
meningitis. Subjects with previously treated brain metastases may participate
provided they are stable (without evidence of progression by imaging for at least
four weeks prior to the first dose of trial treatment and any neurologic symptoms
have returned to baseline), have no evidence of new or enlarging brain
metastases, and are not using steroids for at least 7 days prior to trial
treatment. This exception does not include carcinomatous meningitis which is
excluded regardless of clinical stability.

- Has active autoimmune disease that has required systemic treatment in the past 2
years (i.e. with use of disease modifying agents, corticosteroids or
immunosuppressive drugs). Replacement therapy (eg, thyroxine, insulin, or
physiologic corticosteroid replacement therapy for adrenal or pituitary
insufficiency, etc.) is not considered a form of systemic treatment.

- Has known history of, or any evidence of active, non-infectious pneumonitis.

- Has an active infection requiring systemic therapy?

- Has a history or current evidence of any condition, therapy, or laboratory
abnormality that might confound the results of the trial, interfere with the
subject's participation for the full duration of the trial, or is not in the best
interest of the subject to participate, in the opinion of the treating
investigator.

- Has known psychiatric or substance abuse disorders that would interfere with
cooperation with the requirements of the trial

- Is pregnant or breastfeeding, or expecting to conceive or father children within
the projected duration of the trial, starting with the pre-screening or screening
visit through 120 days after the last dose of trial treatment.

- Has received prior therapy with an anti-Programmed Death 1 (PD-1), anti-
Programmed Death-ligand 1 (PD-L1), or anti- Programmed Death-ligand 1 (PD-L2)
agent.

- Has a known history of Human Immunodeficiency Virus (HIV) (HIV ½ antibodies).

- Has known active Hepatitis B (e.g., HbsAg reactive) or Hepatitis C (eg, HCV RNA
[qualitative] is detected).

- Has received a live vaccine within 30 days of planned start of study therapy. ---
Note: Seasonal influenza vaccines for injection are generally inactivated flu
vaccines and are allowed; however Intranasal influenza vaccines (e.g., Flu-Mist®)
are live attenuated vaccines, and are not allowed.

- Patient must have < 1.0 cm midline shift pre-operative

- History of severe hypersensitivity reaction to any monoclonal antibody including
pembrolizumab.

- Patients who cannot safely undergo MRI due to non-MRI compatible pacemaker, or other
reason.

- Patients who have tumors for which the Gd-enhancing mass appears to be covered ≤ 90%
using 2 catheters and assuming a 3.0 cm diameter based on pre-operative planning are
unlikely to have adequate LITT and thus ineligible for the study.
We found this trial at
1
site
Cleveland, Ohio 44106
Principal Investigator: Andrew Sloan, MD
Phone: 216-844-6054
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mi
from
Cleveland, OH
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