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A Phase 1b Study of Carboplatin and Pemetrexed Plus OMP-21M18 as 1st-line Treatment in Subjects With Non-Squamous Non-Small Cell Lung Cancer


Phase 1
21 Years
N/A
Open (Enrolling)
Both
Non Small Cell Lung Cancer

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Trial Information

A Phase 1b Study of Carboplatin and Pemetrexed Plus OMP-21M18 as 1st-line Treatment in Subjects With Non-Squamous Non-Small Cell Lung Cancer


Current cancer therapies often produce an initial reduction in tumour size but may not have
longterm benefits. One possible explanation for this is the presence of cancer cells known
as cancer stem cells. Cancer stem cells represent a small part of the tumour but are
believed to be responsible for much of the growth and spread of the cancer. They may also be
more resistant to traditional therapy, such as chemotherapy and radiation therapy.

The purpose of this study is to test the safety and determine the optimal dose of a new
experimental drug, OMP-21M18, when given in combination with carboplatin and pemetrexed, the
standard of care for patients with nonsquamous nonsmall cell lung cancer (NSCLC). OMP-21M18
is a humanized monoclonal antibody (a protein made in the laboratory) and was developed to
target cancer stem cells. The way the body handles OMP-21M18 will also be investigated.

In this Phase I study, up to 40 participants, 21 years or older, will be enrolled at up to 7
centres in Australia, New Zealand, and Spain. Following informed consent and screening,
participants will receive intravenous infusions of carboplatin and pemetrexed once every 21
days for up to 6 cycles. OMP-21M18 will be administered by intravenous (IV) infusion once
every 21 days (on the same day as the carboplatin and pemetrexed administration).
Participants who complete 6 cycles of carboplatin, pemetrexed, and OMP-21M18 and who have
stable disease or a response may continue to receive OMP-21M18 once every 21 days as
maintenance therapy. After confirming the optimum dose, 14 additional participants will be
treated at the highest dose level that the DSMB considers safe.

Participants will be assessed for disease status every 8 weeks and for safety at every visit
and for 30 days after the end of study drug treatment. Safety will be assessed by adverse
event monitoring, physical examination, vital signs, blood tests, cardiac monitoring, and
participant interview. Response rates, duration of response, time to progression, and
survival will be evaluated, requiring CT or MRI scans and CEA (tumour marker) levels at
baseline and then every 8 weeks. The development of antibodies to treatment will be assessed
throughout the study and up to 12 weeks after the end of study drug treatment. During the
study blood samples will be taken to assess whether OMP-21M18 is producing desired changes
to the genes and proteins related to the cancer (biomarkers).

The study includes an optional part which will investigate how variations in people's
genetic makeup affect their response to medications. This involves the collection of one
blood sample just before participants receive their first dose of study treatment. DNA will
be extracted from the blood sample for testing.

Inclusion Criteria


Inclusion criteria

1. Subjects must have histologically confirmed unresectable, locally advanced,
recurrent, or metastatic non-squamous NSCLC. Subjects may not have received prior
therapy for their unresectable, locally advanced, recurrent, or metastatic
non-squamous NSCLC. Subjects may have received prior surgery, prior radiotherapy,
and/or prior neoadjuvant or adjuvant chemotherapy (they must have discontinued prior
neoadjuvant or adjuvant chemotherapy at least 12 weeks prior to study entry).

2. Age >21 years

3. ECOG performance status <2 (see Appendix B)

4. Life expectancy of more than 3 months

5. Subjects must have normal organ and marrow function as defined below:

- Leukocytes >3.5 x 109/L

- Absolute neutrophil count >1.25 x 109/L Hemoglobin >100 g/L

- Platelets >125 X 109/L

- Total bilirubin <2 X institutional upper limit of normal (ULN)

- Aspartate aminotransferase (AST/SGOT) and alanine aminotransferase (ALT/SGPT) <5
X institutional ULN

- Alkaline phosphatase <5 X institutional ULN

- International normalized ratio (INR) and activated partial thromboplastin time
(aPTT) within institutional ULN

- Calculated creatinine clearance >60 mL/min using the Cockcroft and Gault formula
as follows:

Creatinine clearance (mL/min) = (140 - age) x ideal body weight [kg] 0.814 x serum
creatinine [μmol/L] For women multiply the value from the equation above by 0.85.
Where age is in years, weight is in kg, and serum creatinine is in μmol/L.

6. Women of childbearing potential must have had a prior hysterectomy or have a negative
serum pregnancy test and be using adequate contraception prior to study entry and
must agree to use adequate contraception from study entry through at least 6 months
after discontinuation of study drugs. Men must also agree to use adequate
contraception (hormonal or barrier method of birth control; abstinence) prior to
study entry and from study entry through at least 6 months after discontinuation of
study drugs. Should a woman enrolled in the study or a female partner of a man
enrolled in the study become pregnant or suspect she is pregnant while participating
in this study or within 6 months after discontinuation of the study drugs, the
Investigator should be informed immediately.

7. Ability to understand and the willingness to sign a written informed consent document

Exclusion Criteria

Subjects who meet any of the following criteria will not be eligible for participation in
the study:

1. Subjects receiving any other investigational agents or anti-cancer therapy.

2. Subjects with brain metastases (subjects must have a CT scan or MRI of the head
within 28 days prior to enrollment to rule out brain metastases), uncontrolled
seizure disorder, or active neurologic disease

3. History of a significant allergic reaction attributed to humanized or human
monoclonal antibody therapy

4. Significant intercurrent illness including, but not limited to, ongoing or active
infection, symptomatic congestive heart failure, angina pectoris, cardiac arrhythmia,
or psychiatric illness/social situations that would limit compliance with study
requirements

5. Pregnant women or nursing women

6. Subjects with known HIV infection

7. Known bleeding disorder or coagulopathy

8. Subjects receiving heparin, warfarin, or other similar anticoagulants. Note: Subjects
may be receiving low-dose aspirin and/or non-steroidal anti-inflammatory agents.

9. Subjects with known clinically significant gastrointestinal disease including, but
not limited to, inflammatory bowel disease

10. New York Heart Association Classification II, III, or IV (See Appendix D)

11. Subjects with a blood pressure of >140/90 mmHg. The BP should be taken using the
method described in Section 9.3. Subjects taking antihypertensive medications must be
taking ≤ 2 medications to obtain this level of BP control.

12. Subjects with metastases that are currently involving the lumen of the
gastrointestinal tract

13. Subjects with squamous cell carcinoma of the lung

14. Subjects with recent (within the last 8 weeks) hemoptysis >2.5 mL and subjects with
serious bleeding from another site within this timeframe

15. Subjects with current evidence of cardiac ischemia or heart failure within the last 6
months, subjects who are receiving any medications for cardiac ischemia, subjects
with a B-type natriuretic peptide (BNP) value of >100 pg/mL, subjects with a LVEF
<50%, subjects with pulmonary hypertension defined as a peak tricuspid velocity >3.4
m/s on doppler echocardiogram or subjects that have received a total cumulative dose
of ≥400 mg/m2 doxorubicin.

16. Subjects with ECG evidence of ischemia or ≥ Grade 2 ventricular arrhythmia, subjects
who have a history of acute myocardial infarction within 6 months, or subjects with
unstable angina.

Type of Study:

Interventional

Study Design:

Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment

Outcome Measure:

To the determine the maximum tolerated dose of OMP21M18 plus carboplatin and pemetrexed

Outcome Time Frame:

When each patient in the dose cohort reaches Day 56

Safety Issue:

Yes

Authority:

United States: Food and Drug Administration

Study ID:

M18-004

NCT ID:

NCT01189968

Start Date:

September 2010

Completion Date:

June 2014

Related Keywords:

  • Non Small Cell Lung Cancer
  • Phase 1,
  • dose escalation,
  • histologically
  • confirmed
  • malignancy
  • metastatic
  • Carcinoma, Non-Small-Cell Lung
  • Lung Neoplasms

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