Skip to content

Safety and Effectiveness of Novel Nitroglycerin Based Catheter Lock Solution

Phase 1/2 Study to Evaluate the Safety and Effectiveness of Novel Non-Antibiotic, Non-Heparin Nitroglycerin Based Catheter Lock Solution Used for the Prevention of Intraluminal Central Venous Catheter (CVC) Infections in Cancer Patients

Status
Completed
Phases
Phase 1Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02577718
Enrollment
60
Registered
2015-10-16
Start date
2015-11-30
Completion date
2016-10-31
Last updated
2017-11-06

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

Conditions

Catheter-Associated Infections, Catheter-Related Infections

Brief summary

The objective of this Phase I/II pilot study is to evaluate the safety and effectiveness of a non- antibiotic chelator based lock solution that contains nitroglycerin in combination with sodium citrate and ethanol (NiCE lock solution) for prevention of central line associated bloodstream infection (CLABSI). * The primary objective of this study is to evaluate the safety and estimate the rate of adverse events associated with the NiCE lock solution. * The second primary objective is to estimate the rate of CLABSI in patients receiving the NiCE lock solution.

Interventions

DRUGNitroglycerin-citrate-ethanol (NiCE)

Lock solution instilled in catheter lumens for 2 hours then flushed. Administration for up to 30 days, daily as in-patient or once weekly as out-patient

Sponsors

M.D. Anderson Cancer Center
CollaboratorOTHER
Novel Anti-Infective Technologies, LLC
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
PREVENTION
Masking
NONE

Eligibility

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

Inclusion criteria

* Inpatients who have a long term central venous catheter (CVC)-and the CVC has been in place for at least 14 days and is expected to remain in place at least for 30 days after enrollment * The CVC consists of a 5.0 French size, dual-lumen, peripherally inserted central catheter * Patients who are willing and capable to provide Informed Consent * Patients who are willing and capable to follow the instructions required to complete the study * Females (of child bearing potential) and males (of child bearing potential) must be abstinent or agree to use birth control during the study.

Exclusion criteria

* Patients who have an antimicrobial CVC. * Patients who have a short term CVC that have been placed in ICU (mainly rigid wall CVCs placed for acute care in ICU). * Patients who are hypotensive with a systolic blood pressure reading of \<110 mmHg at any time over the 3 days prior to study entry * Patients who are not awake, not alert, or who cannot express pain or discomfort related to the catheter locks * Patients with an existing local or systemic infection as defined by evidence of fever (a body temperature \> 38.0o C with two readings taken at least 10 minutes apart or one body temperature \> 38.3o) and any of the following within 24 hours of enrollment: Pulse rate \> 100 beats/min.; Respiratory rate \> 20/min.; WBC count \>12,000/mm3, \<4,000/mm3 or differential count showing \>10% band forms. Patient will still be eligible for the study if the participant's white blood cell count (WBC) is outside normal limits due to chemotherapy treatment or underlying conditions. Systolic blood pressure \<90 mm Hg. * Signs and symptoms of localized catheter-related infection (tenderness and/or pain, erythema, swelling, purulent exudates within 2 cm of entry site) * Patients with an occluded (partially or totally) catheter defined as inability to either withdraw blood or instill 3cc of fluid without resistance through any catheter lumen * Patients with multiple co-existing central venous catheters at the time of enrollment will not be enrolled. * Patients in whom the lock solution application will interfere with routine treatment of the underlying disease * Patients with a known history of allergic reaction to ethanol, nitroglycerin, or citrate. * Female patients who are pregnant or breast feeding * Patients who are on disulfiram, metronidazole or are dependent on alcohol * Patients receiving phosphodiesterase type 5 (PDE-5) inhibitors (such as sildenafil, tadalafil, vardenafil).

Design outcomes

Primary

MeasureTime frameDescription
Number of Participants With Drug-Related HypotensionFrom date of randomization until date of first Drug-Related Hypotension within 10 minutes of each flush, assessed up to 60 daysDrug-related hypotension is defined as a significant drop in measured blood pressure (BP) that exceeds the normal BP variability of a patient by 30%, that is associated with clinical signs and symptoms (dizziness and syncope) and is unexplained by factors other than the lock solution (such as other antihypertensive drugs, sepsis, bleeding). BP variability will be based on the standard deviation (SD) of a patient's blood pressure measured in the 3 days preceding participation in this trial and will be calculated at the time of trial entry.

Secondary

MeasureTime frameDescription
Incidence of Catheter-Associated Infections60 DaysCatheter-Associated Infections will be measured by microbiological culture defined as either Catheter-Related Bloodstream Infection (CRBSI) as defined by the Infectious Diseases Society of America (IDSA), particularly in neutropenic patients, or Central Line-Associated Bloodstream Infection (CLABSI) as defined by the Centers for Disease Control and Prevention (CDC), particularly in non-neutropenic patients

Countries

United States

Participant flow

Participants by arm

ArmCount
NiCE Lock60
Total60

Withdrawals & dropouts

PeriodReasonFG000
Overall StudyDeath6
Overall StudyWithdrawal by Subject2

Baseline characteristics

CharacteristicNiCE Lock
Age, Continuous67 years
Median Standard Deviation of Systolic Blood Pressure7.86 mm Hg
Number of patients with Hypertension36 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
Race (NIH/OMB)
Asian
1 Participants
Race (NIH/OMB)
Black or African American
2 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
8 Participants
Race (NIH/OMB)
White
49 Participants
Region of Enrollment
United States
60 Participants
Sex: Female, Male
Female
22 Participants
Sex: Female, Male
Male
38 Participants
Type of Cancer
Acute Lymphatic Leukemia
12 Participants
Type of Cancer
Acute Monocytic Leukemia
34 Participants
Type of Cancer
Acute Myelogenous Leukemia
2 Participants
Type of Cancer
Aplastic Anemia
1 Participants
Type of Cancer
B cell Acute Lymphatic Leukemia
1 Participants
Type of Cancer
Biphenotypic acute leukemia
1 Participants
Type of Cancer
Chronic Lymphatic Leukemia
1 Participants
Type of Cancer
Chronic Monocytic Leukemia
3 Participants
Type of Cancer
Lymphoma
1 Participants
Type of Cancer
Myelodysplastic Syndrome
3 Participants
Type of Cancer
Myelofibrosis
1 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
6 / 60
other
Total, other adverse events
2 / 60
serious
Total, serious adverse events
0 / 60

Outcome results

Primary

Number of Participants With Drug-Related Hypotension

Drug-related hypotension is defined as a significant drop in measured blood pressure (BP) that exceeds the normal BP variability of a patient by 30%, that is associated with clinical signs and symptoms (dizziness and syncope) and is unexplained by factors other than the lock solution (such as other antihypertensive drugs, sepsis, bleeding). BP variability will be based on the standard deviation (SD) of a patient's blood pressure measured in the 3 days preceding participation in this trial and will be calculated at the time of trial entry.

Time frame: From date of randomization until date of first Drug-Related Hypotension within 10 minutes of each flush, assessed up to 60 days

Population: All patients receiving at least one dose

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
NiCE LockNumber of Participants With Drug-Related Hypotension0 Participants
Secondary

Incidence of Catheter-Associated Infections

Catheter-Associated Infections will be measured by microbiological culture defined as either Catheter-Related Bloodstream Infection (CRBSI) as defined by the Infectious Diseases Society of America (IDSA), particularly in neutropenic patients, or Central Line-Associated Bloodstream Infection (CLABSI) as defined by the Centers for Disease Control and Prevention (CDC), particularly in non-neutropenic patients

Time frame: 60 Days

Population: 619 catheter days on NiCE Lock Solution / 1853 catheter days off NiCE Lock Solution

ArmMeasureValue (NUMBER)
NiCE LockIncidence of Catheter-Associated Infections0 infections per 1000 catheter days
Off NiCE LockIncidence of Catheter-Associated Infections1.6 infections per 1000 catheter days

Source: ClinicalTrials.gov · Data processed: Feb 27, 2026