Clinical trials: Mechanisms of Analgesia
Healthy
Pain Inhibitory Effects of Other Pain Induced by Mechanical Pressure Compared to Electrical Stimulation and Cold Water.
The objective is to estimate the effects on pain thresholds of a painful mechanical stimulus on the upper trapezius compared to a painful electrical stimulus and a diffuse noxious stimulus using the cold water hand immersion test.
- Trial name
- NCT05730127
- Testing
- Conditioning stimulus
- Where
- Spain
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Josue Fernandez Carnero
Analgesia
RM1 Project 1 - tAN Naloxone
This two-visit, randomized, double-blind, sham-controlled trial, uses a novel naloxone blockade model in 136 individuals to determine whether the analgesic effects of a 30-minute transcutaneous auricular neurostimulation (tAN)…
- Trial name
- NCT05490134
- Testing
- Naloxone, Saline
- Where
- United States
- Volunteers
- 136 people, healthy volunteers welcome
- Sponsor
- Medical University of South Carolina
Percutaneous Electrolysis, Pain
Analgesic Mechanisms of Percutaneous Electrolysis
Percutaneous electrolysis is based on the application of a galvanic current through an acupuncture needle. The underlying mechanisms that explain the efficacy of this technique are not completely well understood.
- Conditions
- Percutaneous Electrolysis, Pain, Analgesia, Pain Modulation
- Trial name
- NCT05097937
- Testing
- Low intensity percutaneous electrolysis, High intensity percutaneous electrolysis
- Where
- Spain
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- University of Salamanca
Experimental Dental Pain
Mechanisms of Acupuncture Analgesia on Experimental Dental Pain - A Psychophysical Study (Phase1)
The investigators will assess the effects of manual acupuncture on experimental dental pain in 36 healthy subjects by means of subjective pain intensity ratings and pain-specific autonomic nervous system (ANS) reactions.
- Trial name
- MAC-DENT1 (NCT02589418)
- Testing
- Acupuncture, No Acupuncture
- Where
- 2 sites in Switzerland
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- University of Zurich
Lumbar Disc Herniation
Brain Connectomic Mechanisms of Spinal Manipulative Therapy on LDH Analgesia Based on Multimodal MRI
Low back and leg pain caused by lumbar disc herniation (LDH) is common. Lever positioning manipulation (LPM) is a spinal manual therapy used to relieve this pain, but how it affects the brain is unclear.
- Trial name
- NCT07728149
- Testing
- Active Lever Positioning Manipulation
- Where
- China
- Volunteers
- 126 people, healthy volunteers welcome
- Sponsor
- The Third Affiliated hospital of Zhejiang Chinese Medical University
Pain Management, 3D Printing
The Effectiveness of the Three-dimensional Biochemical Activity Model of Pain
Aim: In this study, it was aimed to develop a pain biochemical activity model taken from a three-dimensional printer and fixed by applying epoxy resin and to investigate the effect of this model on nursing students' understanding…
- Conditions
- Pain Management, 3D Printing, Education Nursing
- Trial name
- NCT07389382
- Testing
- 3D printed pain biochemical activity training model, PowerPoint Presentations
- Where
- Turkey (Türkiye)
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Zonguldak Bulent Ecevit University
Healthy
Pain Inhibitory Effects of Other Pain Induced by Mechanical Pressure at Different Intensities
The objective is to estimate the effects on pain thresholds of a painful mechanical stimulus on the upper trapezius at moderate intensity compared to mild intensity or non-painful.
- Trial name
- NCT05730166
- Testing
- Mechanical Conditioning stimulus
- Where
- Spain
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Josue Fernandez Carnero
Lumbar Disc Herniation
Brain Effect Mechanism of Spinal Manipulative Therapy on LDH Analgesia Based on Multimodal MRI
The clinical symptoms of Lumbar Disc Herniation (LDH) can be effectively ameliorated through Spinal Manipulative Therapy (SMT), which is closely linked to the brain's pain-regulating mechanisms.
- Trial name
- NCT06277739
- Testing
- Spinal Manipulative Therapy
- Where
- China
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Zhou Xingchen
Pain Management, Capsaicin-Induced Pain
TaVNS for Capsaicin-Induced Pain
Effective pain management remains a major clinical challenge. Transcutaneous auricular vagus nerve stimulation (taVNS) has emerged as a promising, non-invasive neuromodulation technique due to its safety, ease of administration…
- Conditions
- Pain Management, Capsaicin-Induced Pain, Transcranial Magnetic Stimulation Repetitive, Electroencephalography
- Trial name
- NCT07719868
- Testing
- Transcutaneous Auricular Vagus Nerve Stimulation
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Pain
Attenuation of Pain in Men and Women
The purpose of this study is to examine opioid and endocannabinoid mechanisms of exercise-induced analgesia in men and women.
- Trial name
- NCT01220414
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Mechanisms and Modulators of Placebo Analgesia in Healthy Volunteers
The Effect of Oxytocin on Placebo Analgesia: an Experimental Study in Healthy Volunteers
Placebo responses contribute to medical treatment outcome. The purpose of this study is to determine whether a single intranasal application of oxytocin can increase the placebo response in an experimental model of placebo…
- Trial name
- NCT01886014
- Testing
- Oxytocin
- Where
- Germany
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Universitätsklinikum Hamburg-Eppendorf
Musculoskeletal Pain, Fibromyalgia
Neural Mechanisms of Light Driven Analgesia
The goal of this study will be to understand the biological mechanisms that are responsible to light-driven analgesia. Light presented to the retina has been shown to have pain relieving properties in pre-clinical and clinical…
- Conditions
- Musculoskeletal Pain, Fibromyalgia, Healthy Controls Group - Age and Sex-matched
- Trial name
- NCT07245303
- Testing
- S-cone modulating visual stimulus, Equal Energy White Visual Stimulus, Green light visual stimulus (S-OFF)
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of North Carolina, Chapel Hill
Pain
Effects of Anticipation of Pain Relief on Brain Mechanisms
This study will use brain imaging technology to examine chemical systems in the brain that suppress pain and stress when an individual has an expectation of pain relief.
- Trial name
- NCT00200876
- Testing
- Hypertonic saline, Isotonic saline
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Michigan
Analgesia
The Analgesic Effect of Auditory Inputs and Its Relation to Psychological and Neurobiological Mechanisms
The study investigates the analgesic effect of different auditory inputs. Employing a within-subject design, the study includes healthy participants that are exposed to thermal stimuli while listening to three different auditory…
- Trial name
- NCT03410563
- Testing
- Auditory inputs
- Where
- Denmark
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
Lumbar Disc Herniation, Multimodal Brain Function
Brain Effect Mechanism of Lever Positioning Manipulation on LDH Analgesia Based on Multimodal MRI
In order to further investigate the key brain targets and central response mechanism characteristics of analgesia, the dominant disease of LDH was taken as the object of this study, which was divided into operation group, comfort…
- Conditions
- Lumbar Disc Herniation, Multimodal Brain Function, Analgesia Mechanism, Lever Positioning Manipulation
- Trial name
- NCT05613179
- Testing
- Group1 (lever positioning manipulation)
- Where
- China
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- The Third Affiliated hospital of Zhejiang Chinese Medical University
ITCH
Mechanisms Underlying the Nocibo Effect of Contagious Itch. in Both Histaminergic and Nonhistaminergic Itch
The study consists of one experimental session of approximately 1½ hours. The participant will fill in a series of questionnaires about how you perceive itch and pain, and about some traits of your personality, such as…
- Trial name
- NCT07255092
- Testing
- Histamine, Cowhage (Mucuna Pruriens)
- Where
- Denmark
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Aalborg University
Healthy
Pain Inhibitory Effects of a Single Painful Mechanical Stimulus Compared to Multiple and Multiple at Different Locations
The objective is to estimate the effects on pain thresholds of a single painful mechanical stimulus compared to multiple and multiple stimuli at different locations.
- Trial name
- NCT05730179
- Testing
- Mechanical Conditioning stimulus
- Where
- Spain
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Josue Fernandez Carnero
Pain Management
Acute Effects of Transcutaneous Electrical Nerve Stimulation at Acupoints on Nociceptive Transmission
The goal of this clinical trial is to learn if transcutaneous electrical nerve stimulation (TENS) applied to acupoints can modulate pain transmission and cortical processing in healthy adult volunteers.
- Trial name
- NCT07267052
- Testing
- transcutaneous electrical nerve stimulation (TENS), EEG machine
- Where
- Taiwan
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- China Medical University Hospital
Healthy
To Study the Mechanisms of Acupuncture Through Functional Magnetic Resonance Imaging and Peripheral Neurosensory Testing
Acupuncture may affect nerve functions. This study assesses the effect of acupuncture on both the peripheral and the central nerve systems
- Trial name
- NCT00521547
- Testing
- Electroacupuncture
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- National Center for Complementary and Integrative Health (NCCIH)
Acute Pain, Experimental Pain in Healthy Human Participants
Healthy Children and Virtual Reality Mediation of Simulated Pain
The objective of this study is to develop central nervous system (CNS) biomarkers of pain experienced during medical procedures and pain relief induced by Virtual Reality Pain Alleviation Therapy (VR-PAT).
- Conditions
- Acute Pain, Experimental Pain in Healthy Human Participants, Children, Adolescents
- Trial name
- NCT06854991
- Testing
- Active VR-PAT, Passive VR-PAT, iPad
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Nationwide Children's Hospital