Fecal Microbiota Transplant (FMT) in Melanoma Patients



Status:Recruiting
Conditions:Skin Cancer
Therapuetic Areas:Oncology
Healthy:No
Age Range:18 - Any
Updated:3/13/2019
Start Date:January 10, 2018
End Date:November 30, 2021
Contact:Diwakar Davar, MD
Email:davard@upmc.edu
Phone:412-623-7368

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Phase II Feasibility Study of Fecal Microbiota Transplant (FMT) in Advanced Melanoma Patients Not Responding to PD-1 Blockade

The main goal of this research study is to determine if the fecal microbiota transplant (FMT)
improves the body's ability to fight your cancer.

This is a phase II Simon two-stage single-center study of concurrent fecal microbiota
transplang (FMT) with pembrolizumab in patients with PD-1 resistant/refractory melanoma. The
study will be conducted over a 12-week period (and up to 24-weeks in responding patients).

Patient eligibility is based upon prior exposure to PD-1 inhibitor therapy and response at
restaging scans at any time up to 1 year from time of initiation of PD-1 therapy. Patients
who have received either nivolumab or pembrolizumab are eligible. Patients who have received
pembrolizumab/nivolumab in combination with other investigational agent(s) are NOT eligible.
PD-1 refractory disease is defined as progressive disease (PD) at the first (or subsequent)
radiographic evaluation while receiving PD-1 inhibitor treatment as assessed by RECIST v1.1
or immune-related RECIST criteria. Other eligibility criteria include absence of CNS disease,
presence of disease amenable to biopsy and lack of contra-indications to FMT administration.

Suitable patients will be identified following restaging study documenting disease
progression. Patients will undergo a rapid screening evaluation consisting of CNS imaging,
tumor biopsy, and serological/stool studies to confirm suitability for FMT administration.
Eligible patients will receive FMT endoscopically (with cycle 1 pembrolizumab +/- 3 days)
followed by 3 further cycles of pembrolizumab (cycles 2-4) following which restaging will be
performed. Patients with stable and/or responding disease will continue to receive
pembrolizumab on study for 4 cycles. Patients with stable and/or responding disease after 8
cycles of pembrolizumab will continue to receive therapy off study till progression.

Inclusion Criteria:

- Have a histologically or cytologically confirmed diagnosis of unresectable stage III
or IV melanoma. Patient may not have a diagnosis of uveal or mucosal melanoma.

- Have received any number of prior systemic therapies for metastatic disease. Prior
radiation therapy (any number) and interferon use (any formulation and/or duration) in
the adjuvant or metastatic disease settings is permitted. Vaccine therapy will be
counted as systemic therapy.

- Patient must currently be receiving systemic PD-1 immunotherapy with pembrolizumab or
nivolumab to be eligible. Patients who are receiving combination Ipilimumab with
pembrolizumab or nivolumab are not eligible.

- Must be pembrolizumab/nivolumab refractory/resistant - defined as having received at
least 2 doses of pembrolizumab (or 2 doses of nivolumab) with documented systemic
disease progression on staging imaging. PD will be defined as increase in tumor burden
> 20% relative to nadir (minimum recorded tumor burden) by RECIST v1.1. Once PD is
confirmed, initial date of PD documentation will be considered as the date of disease
progression. Patients can be enrolled at any time following initiation of PD-1 therapy
up to 1 year.

- Patients with CNS progression (parenchymal but not leptomeningeal) are eligible if CNS
metastases are treated and deemed stable (with a repeat CT/MRI imaging study) prior to
the enrollment date. If radiation is used to treat CNS parenchymal disease, a 2 week
washout period will apply.

- Consent to receive FMT administered endoscopically (colonoscopically) and undergo
necessary bowel preparation pre-procedure.

- Understand infectious risks associated with FMT administration. Although FMT infusate
has been screened for bacteria, viruses, fungi and parasites there is a risk of
transmission of known and unknown infectious organisms contained in the donor stool.
Post-FMT bacteremia (e.g. E. coli), sepsis and fatal events may rarely occur.

- Understand non-infectious risks associated with FMT administration. Possible allergy
and/or anaphylaxis to antigens in donor stool; theoretical risk of developing disease
possibly related to donor gut microbiota including but not limited to: obesity,
metabolic syndrome, cardiovascular disease, autoimmune conditions, allergic/atopic
disorders, neurologic disorders, psychiatric conditions and malignancy.

- Understand risks associated with colonoscopy including risk of infection transmission,
colonic perforation, aspiration pneumonia, and death.

- Understand that data regarding the long-term safety risk of FMT are lacking.

- Consent to participate in the correlative studies and should have available tumor
tissue for tumor biopsies. Acceptable biopsies include surgical biopsy, core biopsy or
punch/surgical tumor biopsies (of accessible lesions).

- Have measurable disease as per RECIST version 1.1. At least 1 of the tumor sites must
be amenable to biopsy and this may not be the site of disease used to measure
antitumor response.

- Be willing and able to provide written informed consent/assent for the trial.

- Be 18 years of age on day of signing informed consent.

- Have a performance status of 0 or 1 on the ECOG Performance Scale.

- Demonstrate adequate organ function:

Absolute neutrophil count (ANC) ≥1,500 /mcL Platelets ≥100,000 / mcL Hemoglobin ≥9 g/dL or
≥5.6 mmol/L without transfusion or EPO dependency (within 7 days of assessment) Serum
creatinine OR Measured or calculateda creatinine clearance (GFR can also be used in place
of creatinine or CrCl) - ≤1.5 X upper limit of normal (ULN) OR ≥60 mL/min for subject with
creatinine levels > 1.5 X institutional ULN Serum total bilirubin ≤ 1.5 X ULN OR Direct
bilirubin ≤ ULN for patients with total bilirubin levels > 1.5 ULN AST (SGOT) and ALT
(SGPT) ≤ 2.5 X ULN OR ≤ 5 X ULN for patients with liver metastases Albumin >2.5 mg/dL
International Normalized Ratio (INR) or Prothrombin Time (PT) ≤1.5 X ULN unless patient 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 patient is receiving
anticoagulant therapy as long as PT or PTT is within therapeutic range of intended use of
anticoagulants.

- Female patients of childbearing potential should have a negative urine or serum
pregnancy 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 patients of childbearing potential must be willing to use an adequate method of
contraception. Contraception, for the course of the study through 120 days after the
last dose of study medication. Abstinence is acceptable if this is the usual lifestyle
and preferred contraception for the patient.

- Male patients of childbearing potential must agree to use an adequate method of
contraception. Contraception, starting with the first dose of study therapy through
120 days after the last dose of study therapy. Abstinence is acceptable if this is the
usual lifestyle and preferred contraception for the patient.

Exclusion Criteria:

- Presence of absolute contra-indications to FMT administration: Toxic megacolon Severe
dietary allergies (e.g. shellfish, nuts, seafood) Inflammatory bowel disease Anatomic
contra-indications to colonoscopy

- Patients receiving PD-1 therapy whose disease is responding or stable (as defined by
RECIST v1.1).

- Is currently participating and receiving study therapy or has participated in a study
of an investigational agent and received study therapy or used an investigational
device within 4 weeks of the first dose of treatment.

- Highly symptomatic patients (e.g., declining ECOG performance status; rapidly
worsening symptoms; rapid progression of disease; progression of tumor at critical
anatomical sites (e.g., spinal cord compression) requiring urgent alternative medical
intervention) are not eligible.

- Expected to require any other form of systemic or localized antineoplastic therapy
while on study.

- Has a diagnosis of immunodeficiency or is receiving systemic steroid therapy (> 10 mg
prednisone daily or equivalent) or any other form of immunosuppressive therapy prior
to trial treatment. Patients receiving systemic steroids at physiologic doses are
permitted to enroll assuming steroid dose is not above the acceptable threshold (> 10
mg prednisone daily or equivalent).

- Has a known history of a hematologic malignancy, primary brain tumor or sarcoma, or of
another primary solid tumor, unless the patient has undergone potentially curative
therapy with no evidence of that disease for five years. NOTE: The time requirement
also does not apply to patients who underwent successful definitive resection of basal
or squamous cell carcinoma of the skin, superficial bladder cancer, in situ cancers
including cervical cancer, breast cancer, melanoma, or other in situ cancers.

- Active central nervous system (CNS) metastases and/or leptomeningeal involvement. 3.
Patients with treated brain metastases will be re-screened (MRI brain or CT head with
IV contrast). Patients with previously treated brain metastases may participate
provided they are stable (without evidence of progression by MRI/CT for at least two
weeks prior to the first dose of study drug), have no evidence of new or enlarging
brain metastases and are off systemic steroids (≤ 10 mg/day prednisone or equivalent)
for at least one weeks prior to enrollment. Patients with leptomeningeal disease
(leptomeningeal enhancement on MRI/CT imaging and/or positive CSF cytology) are not
eligible to enroll. Patients with no history of CNS disease will not require a repeat
MRI brain unless they have symptoms to suggest new brain metastases.

- Had a severe hypersensitivity reaction to treatment with pembrolizumab or any of its
excipients.

- Has an active autoimmune disease or a documented history of autoimmune disease or
syndrome that requires systemic steroids or immunosuppressive agents. Patients with
vitiligo, type I diabetes, resolved childhood asthma/atopy are exceptions to this
rule. Patients who require intermittent use of bronchodilators or local steroid
injections are not excluded from the study. Patients with hypothyroidism stable on
hormone replacement are not excluded from the study.

- Has a history of (non-infectious) pneumonitis that required steroids or current
pneumonitis.

- Has serious concomitant illnesses, such as: cardiovascular disease (uncontrolled
congestive heart failure, hypertension, cardiac ischemia, myocardial infarction, and
severe cardiac arrhythmia), bleeding disorders, autoimmune diseases, severe
obstructive or restrictive pulmonary diseases, active systemic infections, and
inflammatory bowel disorders. This includes HIV or AIDS-related illness, or active HBV
and HCV.

- Has an active infection requiring systemic therapy.

- Has active human immunodeficiency virus (HIV) infection (as manifested by presence of
HIV 1/2 antibodies and/or positive HIV ELISA/Western Blot assays).

- Has active Hepatitis B or Hepatitis C infection. Patients with a history of Hepatitis
B/C infection who have received anti-viral therapy and are disease free (Hep B -
negative HBsAg and HBV DNA; Hep C - negative HCV RNA) may be considered for enrollment
after discussion with Principal Investigator.

- Has a known history of active TB (Bacillus Tuberculosis).

- Patient has received a live vaccine within 4 weeks prior to the first dose of
treatment.

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.

- Has not recovered (i.e., ≤ Grade 1 or at baseline) from adverse events due to agents
administered more than 4 weeks earlier.

- Has had prior chemotherapy, targeted small molecule therapy, or radiation therapy
within 2 weeks prior to study Day 1 or who has not recovered (i.e., ≤ Grade 1 or at
baseline) from adverse events due to a previously administered agent. Patients with ≤
Grade 2 neuropathy are an exception to this criterion and may qualify for the study.
If the patient received major surgery, they must have recovered adequately from the
toxicity and/or complications from the intervention prior to starting 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.
We found this trial at
1
site
Pittsburgh, Pennsylvania 15232
Phone: 412-647-8587
?
mi
from
Pittsburgh, PA
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