- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03687970
A New Method for Identifying Sensory Changes in Painful Chemotherapy-induced Peripheral Neuropathy (CIPN)
A New Method for Identifying Sensory Changes in Painful Chemotherapy-induced Peripheral Neuropathy (CIPN): a Feasibility Study
The investigators propose that using the Diode Laser fiber type Selective Stimulator (DLss) in patients with chemotherapy-induced peripheral neuropathy (CIPN) will allow for the assessment of changes in small-fiber pain thresholds, to identify differences between subjects who received chemotherapy and developed painful CIPN, compared to subjects who received similar chemotherapy but did not develop painful CIPN (control group).
Additionally, the investigators would like to investigate whether the response to DLss correlates with pain severity in patients with persistent painful neuropathy.
The ultimate goal of this study is to develop a non-invasive, bedside quantitative test that is specific for painful CIPN. If the investigators' initial hypothesis is confirmed, the next step would be to design a prospective longitudinal study and assess changes in DLss early after initiation of chemotherapy, to determine whether this approach can help identify early predictive parameters of painful CIPN.
Study Overview
Status
Conditions
Intervention / Treatment
- Other: Brief Pain Inventory
- Other: Hospital Anxiety and Depression Scale
- Other: Neuropathic Pain Symptom Inventory
- Procedure: Diode Laser fiber type Selective Stimulator
- Procedure: Quantitative sensory testing
- Procedure: Conditioned pain modulation efficiency
- Other: Spontaneous pain at baseline on 0-10 Numerical Rating Scale (NRS)
Detailed Description
Painful chemotherapy-induced peripheral neuropathy (CIPN) is a common side effect of chemotherapy, occurring in more than 60% of patients at some point during the course of cancer treatment with commonly used drugs such as taxanes and platinum compounds. It potentially may result in severely diminished quality of life and dose reduction or/and treatment delay, which may ultimately impact survival.
The mechanisms by which chemotherapy-induced nerve damage ultimately leads to pain are poorly understood, because virtually no structural or functional differences in nerve fibers between painless and painful peripheral neuropathy have been identified. As a result, there is no reliable way to predict which patients will develop persistent painful chemotherapy-induced peripheral neuropathy.
The ultimate goal of this study is to develop a non-invasive, bedside quantitative test that is specific for painful CIPN. If our initial hypothesis is confirmed, the next step would be to design a prospective longitudinal study and assess changes in DLss early after initiation of chemotherapy, to determine whether this approach can help identify early predictive parameters of painful CIPN.
In this other interventional study, we will test the utility of the Diode Laser fiber type Selective Stimulator (DLss) to identify sensory changes that are unique to patients with painful chemotherapy induced peripheral neuropathy (CIPN) vs. controls.
Painful symptoms of CIPN develop in patients with differential nerve damage to Aδ vs C-type peripheral nerve fibers. We hypothesize that Aδ:C fiber threshold ratio, as measured by the DLss, will be different between patients with painful CIPN compared to control patients who received a similar regimen of chemotherapy, but did not develop painful CIPN. The confirmation of hypothesis may lead to a novel approach for early detection of CIPN.
Subjects: 20 evaluable patients with painful CIPN following treatment with oxaliplatin, cisplatin, paclitaxel, docetaxel (or any combination of above) will be included in painful CIPN group, and 20 controls matched by the type of chemotherapy received, who did not develop painful CIPN.
The study procedure will include a one-time visit for sensory assessments including:
- Spontaneous pain at baseline on 0-10 Numerical Rating Scale (NRS);
- Assessment of pain symptoms on Neuropathic pain Symptom Inventory (NPSI) and Brief Pain Inventory (BPI).
- Assessment of mood on hospital anxiety and depression scale (HADS)
- Quantitative sensory testing (QST): thermal detection and pain thresholds, mechanical detection threshold, temporal summation (TS), and conditioned pain modulation (CPM).
The primary outcome is the comparison of Aδ:C fiber threshold ratio between patients who have developed painful CIPN, and the control subjects.
In secondary analyses, we will generate Spearman correlation coefficient between the "Aδ:C fiber threshold ratio" and the severity of painful CIPN on NPSI scale.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
Missouri
-
Saint Louis, Missouri, United States, 63110
- Washington University School of Medicine
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
Group A: Painful CIPN group
- Age >18
- Distal symmetric pain distribution (both feet, with or without pain in hands).
- The pain appeared during or up to 12 weeks after treatment with oxaliplatin, cisplatin, paclitaxel, docetaxel or any combination of these.
- Score of 4 or more on Douleur Neuropathique 4 (DN4) neuropathic pain questionnaire
- Pain duration > 2 months.
- Patient report of average daily pain intensity in the last week ≥3 on 0-10 Numerical Rating Scale (NRS).
- Able and willing to sign an Institutional Review Board (IRB)-approved written informed consent.
Group B: Control group:
- Age >18
- History of cancer diagnosis, previously treated with at least 8 infusions of chemotherapy regimen that included oxaliplatin or at least 6 infusions of chemotherapy regimen that included cisplatin, paclitaxel, docetaxel, or any combination of these.
- No ongoing pain in distal symmetric distribution (subjects with symptoms and signs such as mild numbness, or vibration sensation loss are eligible to be included in the control group).
- Able and willing to sign an IRB-approved written informed consent. * Subjects in the control group will be matched by the type of previous chemotherapy to the subjects in the Painful CIPN group. An additional attempt will be made to match controls by sex, age, cancer diagnosis, and cumulative neurotoxic chemotherapy dose.
Exclusion Criteria:
- History of pre-existing painful distal symmetric polyneuropathy prior to chemotherapy.
- Alternative etiology exists for the distal painful symptoms.
- Current or previous treatment with a vinca alkaloid (e.g. vincristine, vinblastine), bortezomib, or another agent which may cause major peripheral neurotoxicity.
- Pregnant
- Concomitant medication as follows:
- Patients receiving chronic daily opioids, topical lidocaine or topical capsaicin will be excluded.
- Patients receiving as needed (PRN) analgesics, including acetaminophen, NSAIDs or short-acting opioids, will be required not to take them 48h before testing, at for at least five half-lives of the specific analgesic, at the discretion of the investigators.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Diagnostic
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Group A: Painful CIPN Group
-Performed at baseline: NPSI, BPI, HADS, Spontaneous pain at baseline on 0-10 Numerical Rating Scale (NRS), QST, CPM, and DLss
|
-A self-administered questionnaire used to evaluate the severity of a patient's pain and the impact of this pain on the patient's daily functioning.
The patient is asked to rate their worst, least, average, and current pain intensity (4 items which generate the PAIN SEVERITY score), list current treatments and their perceived effectiveness, and rate the degree that pain interferes with general activity, mood, walking ability, normal work, relations with other persons, sleep, and enjoyment of life (7 items which generate the PAIN INTERFERENCE score) on a 10 point scale.
Other Names:
Other Names:
-The NPSI questionnaire utilized in this study includes eight parameters (i.e., burning pain, squeezing pain, pressure pain, electric shock pain, stabbing pain, tingling pain, pins and needles pain and allodynia [pain provoked by light touch]).
Each of the parameters includes recall of the past 24 hours
Other Names:
-Each patient will have an A and C fiber stimulation.
Stimulation will be performed on the dorsum of the foot using stimulation previously published parameters to elicit "burning pain," which is from activation of C-fibers and "pinprick" pain from A-fibers
Other Names:
Other Names:
-Immersion of a hand up to the wrist to a thermostat-controlled water bath maintained at 12 degrees Celsius, and the application of a heat stimulus on the contralateral forearm.
Other Names:
-The subjects are asked to rate the intensity of their current pain on a 0-10 scale - 0 denoting "no pain" and 10 denoting "worst imaginable pain".
|
Active Comparator: Group B: Control Group
-Performed at baseline: NPSI, BPI, HADS, Spontaneous pain at baseline on 0-10 Numerical Rating Scale (NRS), QST, CPM, and DLss
|
-A self-administered questionnaire used to evaluate the severity of a patient's pain and the impact of this pain on the patient's daily functioning.
The patient is asked to rate their worst, least, average, and current pain intensity (4 items which generate the PAIN SEVERITY score), list current treatments and their perceived effectiveness, and rate the degree that pain interferes with general activity, mood, walking ability, normal work, relations with other persons, sleep, and enjoyment of life (7 items which generate the PAIN INTERFERENCE score) on a 10 point scale.
Other Names:
Other Names:
-The NPSI questionnaire utilized in this study includes eight parameters (i.e., burning pain, squeezing pain, pressure pain, electric shock pain, stabbing pain, tingling pain, pins and needles pain and allodynia [pain provoked by light touch]).
Each of the parameters includes recall of the past 24 hours
Other Names:
-Each patient will have an A and C fiber stimulation.
Stimulation will be performed on the dorsum of the foot using stimulation previously published parameters to elicit "burning pain," which is from activation of C-fibers and "pinprick" pain from A-fibers
Other Names:
Other Names:
-Immersion of a hand up to the wrist to a thermostat-controlled water bath maintained at 12 degrees Celsius, and the application of a heat stimulus on the contralateral forearm.
Other Names:
-The subjects are asked to rate the intensity of their current pain on a 0-10 scale - 0 denoting "no pain" and 10 denoting "worst imaginable pain".
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Aδ:C Fiber Detection Threshold Ratio
Time Frame: At the time of the DLss (day 1)
|
Comparison of the Aδ:C fiber detection threshold ratio (as measured by the DLss) between patients with painful neuropathy and patients who did not develop painful neuropathy following similar cancer chemotherapy
|
At the time of the DLss (day 1)
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
The Aδ:C Pain Threshold Ratio
Time Frame: At the time of the DLss (day 1)
|
Aδ:C pain threshold shows Aδ fiber threshold divided by C fiber threshold measured by DLss detection and pain threshold protocols.
|
At the time of the DLss (day 1)
|
The Severity of Neuropathy on NPSI Scale.
Time Frame: At the time of the DLss (day 1)
|
The severity of painful CIPN on Neuropathic Pain Symptom Inventory (NPSI) scale. Increased NPSI (0-100) score indicates more severe neuropathic pain. |
At the time of the DLss (day 1)
|
Collaborators and Investigators
Investigators
- Principal Investigator: Simon Haroutounian, Ph.D., Washington University School of Medicine
Publications and helpful links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- 201807162
- 1R43CA206796-01A1 (U.S. NIH Grant/Contract)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
IPD Sharing Time Frame
IPD Sharing Access Criteria
IPD Sharing Supporting Information Type
- Study Protocol
- Informed Consent Form (ICF)
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
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