Ultrasound Therapy and Therapeutic Exercise for Chemotherapy Induced Peripheral Neuropathy (CIPN)
Ontology highlight
ABSTRACT:
DISEASE(S): Colon Neoplasms,Peripheral Nervous System Diseases,Colorectal Neoplasms,Colonic Neoplasms,Neoplasms
PROVIDER: 2194292 | ecrin-mdr-crc |
REPOSITORIES: ECRIN MDR
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Project description:This pilot clinical trial studies how well ultrasound works in detecting oxaliplatin-induced neuropathy in patients with gastrointestinal cancer. Ultrasound may work better in diagnosing and detecting neuropathy in gastrointestinal cancer patients treated with the chemotherapy drug called a oxaliplatin.
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Project description:Paclitaxel-induced peripheral neuropathy is a significant problem, which afflicts up to 70% of chemotherapy patients. Therapeutic interventions are currently unavailable due to an incomplete understanding of the underlying mechanisms. We previously discovered a major target in the skin, MMP-13, which underlies the development of paclitaxel-induced peripheral neuropathy in zebrafish and rodents. To better understand gene expression changes in sensory neurons and target tissue prior to and during the progression of neuropathy, we performed longitudinal RNA sequencing of mouse skin and dorsal root ganglion (DRG) neurons. Samples were harvested at time points associated with behavioural responses following injection of mice for 7 days either with vehicle or paclitaxel. The responses were categorized into pain onset (day 4 of paclitaxel injection), maxima (d7), beginning of pain resolution (d11) and recovery phase (d23). This dataset will be useful to understand changes in gene regulation in both neurons and skin, which can aid in the discovery of therapeutic interventions.
2021-10-12 | GSE185084 | GEO
Project description:Targeted next-generation sequencing (NGS) identified a novel loss of function mutation in GARS, a gene linked to Charcot-Marie-Tooth disease (CMT), in a paediatric acute lymphoblastic leukaemia patient with severe chemotherapy-induced peripheral neuropathy (CIPN) due to vincristine. The patient was clinically asymptomatic, and lacked a family history of neuropathy. The effect of the mutation was modelled in a zebrafish knockdown system that recapitulated the symptoms of the patient both prior to and after treatment with vincristine. Confocal microscopy of pre- and post-synaptic markers revealed that the GARS knockdown results in changes to peripheral motor neurons, acetylcholine receptors and their co-localisation in neuromuscular junctions (NMJs), whereas a sensitive and reproducible stimulus-response assay demonstrated that the changes correlating with the GARS mutation in themselves fail to produce peripheral neuropathy symptoms. However, with vincristine treatment the GARS knockdown exacerbates decreased stimulus response and NMJ lesions. We propose that there is substantial benefit in the use of a targeted NGS screen of cancer patients who are to be treated with microtubule targeting agents for deleterious mutations in CMT linked genes, and for the screening in zebrafish of reagents that might inhibit CIPN.
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Project description:Despite the large amount of human and experimental studies no effective (prophylactic) treatment exists for chemotherapy induced peripheral neuropathy (CIPN), a disabling side effect of many cancer treatments. One of the underlying reasons for this could be that often the preclinical animal models used are not the best representation of the clinical situation. We therefore present a systematic summary and comparison of all animal models currently described in literature for CIPN focusing on stimulus evoked pain-like behaviour and neurophysiological alterations in nerve function (650 included papers, and a comparison of 183 models), that resulted in a clear overview of the most effective and robust CIPN models using an administration route used in clinical practice. Using our three-step approach (step 1: efficacy; step; 2 robustness and step 3: mimicking the clinical situation) we show that all mice CIPN models treated with either paclitaxel or cisplatin using an administration route used in clinical practice seem suitable models. Three specific models using paclitaxel or cisplatin that stand out are 1) C57BL/6 female mice receiving paclitaxel and 2) CD1 male mice receiving paclitaxel and 3) C57BL/6 male mice receiving cisplatin. This overview may help scientists selecting suitable CIPN models for their research. We hypothesize that by using effective and robust animal models that mimic the clinical situation as much as possible, the translational value of preclinical study results with respect to the potential of identifying promising treatments for CIPN in the future, will prove. The methodology described in this paper, aimed at comparing animal models, is novel and can be used by scientist in other research fields as well.
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Project description:Chemotherapy-induced peripheral neuropathy (CIPN) is a common and debilitating condition associated with a number of chemotherapeutic agents. Drugs commonly implicated in the development of CIPN include platinum agents, taxanes, vinca alkaloids, bortezomib, and thalidomide analogues. As a drug response can vary between individuals, it is hypothesized that an individual's specific genetic variants could impact the regulation of genes involved in drug pharmacokinetics, ion channel functioning, neurotoxicity, and DNA repair, which in turn affect CIPN development and severity. Variations of other molecular markers may also affect the incidence and severity of CIPN. Hence, the objective of this review was to summarize the known biological (molecular and genomic) predictors of CIPN and discuss the means to facilitate progress in this field.
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Project description:Oxaliplatin-induced chronic peripheral neuropathy is of major concern to oncologists and patients as it has been shown to affect patients’ health-related quality of life. Although a number of interventions have been implicated, none of them can be recommended for clinical use. This therapeutic failure reflects a poor understanding of the real mechanism of oxaliplatin-induced neuropathy. However, oxidative stress is identified to be one of the main biomolecular dysfunctions in this neuropathy. Rood’s approach is a neurophysiological approach that is based on reflexes of the central nervous system in which the sensory stimulation provides desired muscular response and was specially designed for patients with motor control problems. It was developed by Margeret Rood in 1940. According to Rood, sensory stimulation can activate or deactivate the receptor by facilitation or inhibition, which makes it possible to get the desired muscular response.
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Project description:PurposeChemotherapy-induced peripheral neuropathy (CIPN) is a disabling complication of many chemotherapies. We investigated the feasibility of using health plan claims and administrative data to identify CIPN occurrence by comparing patients who received neurotoxic and non-neurotoxic chemotherapies.MethodsThe sample included over 53,000,000 patients from two regional and one national insurer in the USA (> 400,000 exposed to chemotherapy). Peripheral neuropathy was identified using a broad definition (definition 1) and a specific definition (i.e., drug-induced polyneuropathy code) (definition 2).ResultsCIPN incidence as measured by definition 1 within 6 months of chemotherapy initiation was 18.1% and 6.2% for patients who received neurotoxic and non-neurotoxic chemotherapy, respectively (relative risk neurotoxic vs. non-neurotoxic (RR), 2.93 (95% CI, 2.87-2.98)). For definition 2, these incidences were 3.6% and 0.1% (RR, 25.2 (95% CI, 22.8-27.8)). The incidences of new analgesic prescriptions for neurotoxic and non-neurotoxic groups were as follows: gabapentin, 7.1%/1.7%; pregabalin, 0.69%/0.31%; and duloxetine, 0.78%/0.76%. The incidence of CIPN as defined by definitions 1 and 2 was low compared with that of published research studies, but the relative risk of CIPN among patients who received neurotoxic chemotherapies compared with those who received non-neurotoxic chemotherapies was high using definition 2.ConclusionsThese data suggest that as used currently by clinicians, administrative codes likely underestimate CIPN incidence. Thus, studies using administrative data to estimate CIPN incidence are not currently feasible. However, the drug-induced polyneuropathy code is a specific indicator of CIPN in administrative data and may be useful for investigating predictors or potentially preventive therapies of CIPN.
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Project description:Cancer diagnosis and treatment are drastic events for patients and their families. Besides psychological aspects of the disease, patients are often affected by severe side effects related to the cancer itself or as a result of therapeutic interventions. Particularly, chemotherapy-induced peripheral neuropathy (CIPN) is the most prevalent neurological complication of oral or intravenous chemotherapy. The disorder may require dose reduction of chemotherapy and is accompanied by multiple symptoms with long-term functional impairment affecting quality of life (QoL), e.g., sensory and functional deteriorations as well as severe pain. Although CIPN may reverse or improve after termination of the causative chemotherapy, approximately 30-40% of patients are faced with chronicity of the symptoms. Due to the advantages in cancer diagnosis and treatments, survival rates of cancer patients rise and CIPN may occur even more frequently in the future. In this review, we summarize current recommendations of leading national and international societies regarding prevention and treatment options in CIPN. A special focus will be placed on current evidence for topical treatment of CIPN with high-dose capsaicin. Finally, an algorithm for CIPN treatment in clinical practice is provided, including both pharmacologic and non-pharmacologic modalities based on the clinical presentation.
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Project description:To elucidate the molecular mechanisms underlying the neuroprotective role of S1P2, we conduct RNASeq on dorsal root ganglions (DRGs) collected from a cisplatin-induced peripheral neuropathy (CIPN) rat model.
2024-07-01 | GSE235877 | GEO