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OTL38 Injection for Intraoperative Imaging of Folate Receptor Positive Lung Nodules

A Phase 2, Single Dose, Open-Label, Exploratory Study to Investigate the Safety and Efficacy of OTL38 Injection for Intraoperative Imaging of Folate Receptor Positive Lung Nodules

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02872701
Enrollment
100
Registered
2016-08-19
Start date
2017-05-04
Completion date
2018-11-30
Last updated
2023-03-24

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Lung Cancer, Lung Neoplasms

Brief summary

This is a phase 2, multi-center, single dose, open-label, exploratory study in suspected lung cancer patients scheduled to undergo endoscopic or thoracic surgery per CT/positron emission tomography imaging based on standard of care. This study aims to assess the efficacy of OTL38 and Near Infrared Imaging (NIR) at identifying pulmonary nodules within the operating theater, and to assess the safety and tolerability of single intravenous doses of OTL38.

Detailed description

This is a phase 2, multi-center, single dose, open-label, exploratory study in suspected lung cancer patients scheduled to undergo endoscopic or thoracic surgery per CT/positron emission tomography (PET) imaging based on standard of care. Two to three hours prior to surgery, patients will be infused with OTL38. After the patient is intubated and surgical site incised, the surgeon will locate and document all nodules identifiable by white light, manual palpation, and Near-Infrared Imaging (NIR). This will be documented and recorded. Surgery will be completed per surgeon's standard of care, afterwards the area will be reviewed under standard and infrared light. All samples will be sent for pathology and immunohistochemistry (IHC) evaluation.

Interventions

Folate analog ligand conjugated with an indole cyanine-like green dye as a solution in vials containing 3 mL at 2 mg/mL

Near infrared camera imaging system

PROCEDUREEndoscopic or Thoracic Surgery

Endoscopic or Thoracic Surgery

Sponsors

Medelis Inc.
CollaboratorINDUSTRY
On Target Laboratories, LLC
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
DIAGNOSTIC
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 85 Years
Healthy volunteers
No

Inclusion criteria

1. Male and Female patients 18 years of age and older 2. Confirmed diagnosis of adenocarcinoma lung cancer OR, 3. Have a primary diagnosis, or at high clinical suspicion, of lung nodule(s) warranting surgery based on CT and/or PET imaging 4. Who are scheduled to undergo endoscopic or thoracic surgery surgery 5. A negative serum pregnancy test at Screening followed by a negative urine pregnancy test on the day of surgery or day of admission for female patients of childbearing potential 6. Female patients of childbearing potential or less than 2 years postmenopausal agree to use an acceptable form of contraception from the time of signing informed consent until 30 days after study completion 7. Ability to understand the requirements of the study, provide written informed consent and authorization of use and disclosure of protected health information, and agree to abide by the study restrictions and to return for the required assessments

Exclusion criteria

1. Previous exposure to OTL38 2. Known Folate Receptor-negative lung nodules 3. Any medical condition that in the opinion of the investigators could potentially jeopardize the safety of the patient 4. History of anaphylactic reactions or severe allergies 5. History of allergy to any of the components of OTL38, including folic acid 6. Pregnancy, or positive pregnancy test 7. Clinically significant abnormalities on electrocardiogram (ECG) at screening. 8. Presence of any psychological, familial, sociological or geographical condition potentially hampering compliance with the study protocol and follow-up schedule 9. Impaired renal function defined as epidermal growth factor receptor (eGFR) \< 50 mL/min/1.73m2 10. Impaired liver function defined as values \> 3x the upper limit of normal (ULN) for alanine aminotransferase (ALT) or aspartate aminotransferase (AST), alkaline phosphatase (ALP), or total bilirubin. 11. Received an investigational agent in another investigational drug or vaccine trial within 30 days prior to surgery 12. Known sensitivity to fluorescent light

Design outcomes

Primary

MeasureTime frameDescription
Sensitivity or True Positive Rate (TPR)1 daySensitivity or True Positive Rate (TPR) for OTL38 in combination with fluorescent light, defined as the proportion of fluorescent light positive tissue samples (nodule, synchronous lesion, and margin but excluding lymph nodes) that are histologically confirmed to be FR+ and lung cancer by central pathology relative to the total number of tissue samples confirmed to be FR+ and lung cancer by central pathology. Sensitivity = (True Positive)/(True Positive +False Negative)
False Positive Rate (FPR)1 dayFalse positive rate (FPR) for OTL38 in combination with fluorescent light, for the purpose of this protocol, will be calculated as 1 - the Positive Predictive Value (PPV) and is defined as the proportion of fluorescent light positive tissue samples removed (nodule, synchronous lesion, and margin but excluding lymph nodes) that are histologically confirmed to be non-cancerous, or if cancerous, not FR+ and lung cancer, by central pathology relative to the total number of tissue samples removed with fluorescent light imaging. False Positive Rate = (False Positives) / (True Positives + False Positives)

Secondary

MeasureTime frameDescription
Positive Margin Identification1 dayNumber of patients where at least one positive margin (fluorescent cancerous cells within 5 mm of the staple line) is identified with only OTL-38 and NIR
Synchronous Lesion Identification1 dayNumber of patients where at least one synchronous lesions is identified only with OTL-38 and NIR
Pulmonary Nodule Identification1 dayNumber of pulmonary nodules identified with OTL-38 and Near Infrared Imaging (NIR) that could not otherwise be identified by white light and palpation.
Proportion of Patients With at Least 1 Clinically Significant Event (CSE)1 dayProportion of patients with at least 1 Clinically Significant Event (CSE as a result of utilizing OLT-38 and Near Infrared Imaging

Countries

Netherlands, United States

Participant flow

Participants by arm

ArmCount
Patients Receiving OTL38
All patients in this arm will receive OTL38 for injection and undergo intraoperative imaging. OTL38 for Injection: Folate analog ligand conjugated with an indole cyanine-like green dye as a solution in vials containing 3 mL at 2 mg/mL Near infrared camera imaging system: Near infrared camera imaging system Endoscopic or Thoracic Surgery: Endoscopic or Thoracic Surgery
100
Total100

Baseline characteristics

CharacteristicPatients Receiving OTL38
Age, Categorical
<=18 years
0 Participants
Age, Categorical
>=65 years
72 Participants
Age, Categorical
Between 18 and 65 years
28 Participants
Age, Continuous67.4 years
STANDARD_DEVIATION 9.35
Ethnicity (NIH/OMB)
Hispanic or Latino
1 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
98 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
1 Participants
Race (NIH/OMB)
American Indian or Alaska Native
1 Participants
Race (NIH/OMB)
Asian
7 Participants
Race (NIH/OMB)
Black or African American
6 Participants
Race (NIH/OMB)
More than one race
0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
Race (NIH/OMB)
White
86 Participants
Region of Enrollment
Netherlands
10 Participants
Region of Enrollment
United States
90 Participants
Sex: Female, Male
Female
68 Participants
Sex: Female, Male
Male
32 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
0 / 100
other
Total, other adverse events
94 / 100
serious
Total, serious adverse events
14 / 100

Outcome results

Primary

False Positive Rate (FPR)

False positive rate (FPR) for OTL38 in combination with fluorescent light, for the purpose of this protocol, will be calculated as 1 - the Positive Predictive Value (PPV) and is defined as the proportion of fluorescent light positive tissue samples removed (nodule, synchronous lesion, and margin but excluding lymph nodes) that are histologically confirmed to be non-cancerous, or if cancerous, not FR+ and lung cancer, by central pathology relative to the total number of tissue samples removed with fluorescent light imaging. False Positive Rate = (False Positives) / (True Positives + False Positives)

Time frame: 1 day

Population: The FAS for the analysis of the two co-primary endpoints, sensitivity and FPR, included patients exposed to OTL38 who:~* Were evaluated under both normal light and fluorescent light imaging, and~* Had central pathology and histology confirmation (positive for FR+ Lung Cancer) for at least one tissue sample detected under normal light or fluorescent light imaging

ArmMeasureValue (NUMBER)
Patients Receiving OTL38False Positive Rate (FPR)0.138 proportion of lesions
Primary

Sensitivity or True Positive Rate (TPR)

Sensitivity or True Positive Rate (TPR) for OTL38 in combination with fluorescent light, defined as the proportion of fluorescent light positive tissue samples (nodule, synchronous lesion, and margin but excluding lymph nodes) that are histologically confirmed to be FR+ and lung cancer by central pathology relative to the total number of tissue samples confirmed to be FR+ and lung cancer by central pathology. Sensitivity = (True Positive)/(True Positive +False Negative)

Time frame: 1 day

Population: The FAS for the analysis of the two co-primary endpoints, sensitivity and FPR, included patients exposed to OTL38 who:~* Were evaluated under both normal light and fluorescent light imaging, and~* Had central pathology and histology confirmation (positive for FR+ Lung Cancer) for at least one tissue sample detected under normal light or fluorescent light imaging

ArmMeasureValue (NUMBER)
Patients Receiving OTL38Sensitivity or True Positive Rate (TPR)0.854 proportion of lesions
Secondary

Positive Margin Identification

Number of patients where at least one positive margin (fluorescent cancerous cells within 5 mm of the staple line) is identified with only OTL-38 and NIR

Time frame: 1 day

Population: The FAS for the analysis of the two co-primary endpoints, sensitivity and FPR, included patients exposed to OTL38 who:~* Were evaluated under both normal light and fluorescent light imaging, and~* Had central pathology and histology confirmation (positive for FR+ Lung Cancer) for at least one tissue sample detected under normal light or fluorescent light imaging

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Patients Receiving OTL38Positive Margin Identification8 Participants
Secondary

Proportion of Patients With at Least 1 Clinically Significant Event (CSE)

Proportion of patients with at least 1 Clinically Significant Event (CSE as a result of utilizing OLT-38 and Near Infrared Imaging

Time frame: 1 day

Population: The FAS for the analysis of the two co-primary endpoints, sensitivity and FPR, included patients exposed to OTL38 who:~* Were evaluated under both normal light and fluorescent light imaging, and~* Had central pathology and histology confirmation (positive for FR+ Lung Cancer) for at least one tissue sample detected under normal light or fluorescent light imaging

ArmMeasureValue (NUMBER)
Patients Receiving OTL38Proportion of Patients With at Least 1 Clinically Significant Event (CSE)0.293 proportion of participants
Secondary

Pulmonary Nodule Identification

Number of pulmonary nodules identified with OTL-38 and Near Infrared Imaging (NIR) that could not otherwise be identified by white light and palpation.

Time frame: 1 day

Population: The FAS for the analysis of the two co-primary endpoints, sensitivity and FPR, included patients exposed to OTL38 who:~* Were evaluated under both normal light and fluorescent light imaging, and~* Had central pathology and histology confirmation (positive for FR+ Lung Cancer) for at least one tissue sample detected under normal light or fluorescent light imaging

ArmMeasureValue (NUMBER)
Patients Receiving OTL38Pulmonary Nodule Identification10 number of pulmonary nodules
Secondary

Synchronous Lesion Identification

Number of patients where at least one synchronous lesions is identified only with OTL-38 and NIR

Time frame: 1 day

Population: The FAS for the analysis of the two co-primary endpoints, sensitivity and FPR, included patients exposed to OTL38 who:~* Were evaluated under both normal light and fluorescent light imaging, and~* Had central pathology and histology confirmation (positive for FR+ Lung Cancer) for at least one tissue sample detected under normal light or fluorescent light imaging

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Patients Receiving OTL38Synchronous Lesion Identification7 Participants

Source: ClinicalTrials.gov · Data processed: Mar 7, 2026