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Clinical Trial Details — Status: Enrolling by invitation

Administrative data

NCT number NCT05590117
Other study ID # 35931/10/22
Secondary ID
Status Enrolling by invitation
Phase Early Phase 1
First received
Last updated
Start date October 11, 2022
Est. completion date October 11, 2024

Study information

Verified date October 2022
Source Tanta University
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This study aims to: - Evaluate the possible protective effect of pentoxifylline against oxaliplatin induced peripheral neuropathy and chemotherapy induced mucositis in patients with stage II and stage III colorectal cancer. This study will be a randomized placebo controlled parallel study.48 patients with colorectal cancer will be randomized to 2 groups: Group I (control group; n=24) which will receive 12 cycles of FOLFOX-6 regimen plus placebo tablets twice daily. Group II (Pentoxiphylline group; n=24) which will receive FOLFOX-6 regimen in addition to pentoxifylline 400 mg twice daily. Blood sample collection and biochemical assessment: - Malondialdehyde (MDA) as oxidative stress marker (colorimetry). - Tumor necrosis factor alfa (TNF-α) as pro inflammatory marker (ELISA). - Neurotensin (NT) as a potential marker for neuropathic pain (ELISA). - Citrulline as a biomarker for mucositis (ELISA). Clinical assessment of oxaliplatin induced neuropathy will be done through: The assessment of the severity of neuropathic pain through "Brief Pain Inventory-Short Form" at baseline and by the end of every two chemotherapy cycles. The implication of National Cancer Institute Common Terminology Criteria for Adverse Events (NCI-CTCAE, Version 5, 2017) for grading of neuropathy every 2 cycles. The use of Neurotoxicity- 12 item questionnaire score (Ntx-12) from the validated Functional Assessment of Cancer Therapy/Gynecologic Oncology Group at baseline and by the end of every two chemotherapy cycles). Mucositis will be assessed at baseline and by the end of every two chemotherapy cycles through the use of common terminology criteria for adverse events "CTCAE, version 5.00, 2017


Description:

This study aims to: - Evaluate the possible protective effect of pentoxifylline against oxaliplatin induced peripheral neuropathy and chemotherapy induced mucositis in patients with stage II and stage III colorectal cancer. This study will be a randomized placebo controlled parallel study.48 patients with colorectal cancer will be randomized to 2 groups: Group I (control group; n=24) which will receive 12 cycles of FOLFOX-6 regimen plus placebo tablets twice daily. Group II (Pentoxiphylline group; n=24) which will receive FOLFOX-6 regimen in addition to pentoxifylline 400 mg twice daily. Blood sample collection and biochemical assessment: - Malondialdehyde (MDA) as oxidative stress marker (colorimetry). - Tumor necrosis factor alfa (TNF-α) as pro inflammatory marker (ELISA). - Neurotensin (NT) as a potential marker for neuropathic pain (ELISA). - Citrulline as a biomarker for mucositis (ELISA). Clinical assessment of oxaliplatin induced neuropathy will be done through: The assessment of the severity of neuropathic pain through "Brief Pain Inventory-Short Form" at baseline and by the end of every two chemotherapy cycles. The implication of National Cancer Institute Common Terminology Criteria for Adverse Events (NCI-CTCAE, Version 5, 2017) for grading of neuropathy every 2 cycles. The use of Neurotoxicity- 12 item questionnaire score (Ntx-12) from the validated Functional Assessment of Cancer Therapy/Gynecologic Oncology Group at baseline and by the end of every two chemotherapy cycles). Mucositis will be assessed at baseline and by the end of every two chemotherapy cycles through the use of common terminology criteria for adverse events "CTCAE, version 5.00, 2017. Assessment of participants' adherence, side effects and tolerability Pentoxiphylline will be provided on biweekly basis and the participants' adherence will be assessed through counting the returned tablets. Participants will be followed-up by weekly telephone calls and direct meetings during chemotherapy cycles to assess their adherence and to report any drug related adverse effects. The adverse effects will be collected and graded according to the National Cancer Institute Common Terminology Criteria for Adverse events "NCI-CTCAE; version 5, 2017". Participants will be considered non- adherent and excluded from the study if not consumed the provided tablets or lost the follow-up meeting at any time of intervention or changed regimen. The primary and secondary endpoints: The primary endpoint is the percentage of patients with peripheral sensory neuropathy grade ≥ 2, the variation of 12-item neurotoxicity questionnaire (Ntx- 12) total score and the variation in grades of mucositis. The secondary endpoint is the change in the serum concentrations of the measured biological markers. Sample size calculation: According to the results of previous studies, the total number of subjects required to detect the effect of neuro-protective drugs in patients received neuro- toxic chemotherapy was 41 patients with 5% significance, 80% statistical power and an attrition of 15 %. In this context, during the current study, a total sample size of 41 patients in both arms will be sufficient to detect the effect. Assuming that the attrition rate will be 15 %, the initial sample size will be 48 patients in both arms with 24 patients in each arm. Ethical approval: The study will be performed in accordance with the ethical standards of Helsinki declaration in 1964 and its later amendments. The study will be approved by the Research Ethics Committee of Tanta University. The study will be registered as a clinical trial at ClinicalTrials.gov. All participants will be informed about the benefits and risks of the study. Any unexpected risks that will appear during the course of the research will be clarified to the participants and to the ethical committee on time. The data of the enrolled patients will be confidential. All enrolled patients will give their written informed consents. The study will be conducted between October 2022 and October 2024.


Recruitment information / eligibility

Status Enrolling by invitation
Enrollment 48
Est. completion date October 11, 2024
Est. primary completion date October 11, 2023
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - - Patients with histologically confirmed diagnosis of stage II and stage III colorectal cancer. - Patients who will be scheduled to receive FOLFOX-6 regimen. - Patients with no contraindication to chemotherapy. - Males and females aged = 18 years old. - Adequate baseline hematologic values (absolute neutrophilic count = 1.5 × 109/L, platelet count = 100 × 109/L and hemoglobin level = 10 g/dl). - Patients with adequate renal function (serum creatinine < 1.5 mg/dL and Creatinine clearance (ClCr) ? 45 mL/min). - Patients with adequate liver function (serum bilirubin < 1.5 mg/dl). - Patients with performance status < 2 according to Eastern Cooperative Oncology Group (ECOG) score. Exclusion Criteria: - - Children < 18 years old. - Prior exposure to neurotoxic chemotherapy (oxaliplatin, cisplatin, vincristine, paclitaxel, docetaxel or Isoniazid) for at least 6 months prior the study treatment. - Evidence of pre-existing peripheral neuropathy resulting from another reason (diabetes, brain tumor or brain trauma). - Patients with diabetes and other conditions that predispose to neuropathy as hypothyroidism, autoimmune diseases or hepatitis C. - History of known allergy to oxaliplatin or other platinum agents. - Patients with other inflammatory diseases (rheumatoid arthritis and ulcerative colitis) or stressful conditions (obesity class 2 and 3, smoking). - Concomitant use of multivitamins (vitamins E, C and A), tricyclic antidepressants or other neuro-protective medications (gabapentin, lamotrigine, carbamazepine and phenytoin, etc...). - Concurrent active cancer originating from a primary site other than colon or rectum. - Patients on blood thinning agents - Pregnant and breastfeeding women

Study Design


Related Conditions & MeSH terms


Intervention

Drug:
Pentoxifylline
Pentoxifylline is a potent anti inflammatory may prevent chemotherapy induced neuropathy and mucositis and will be administered 400mg twice daily
Placebo
placebo tablets
FOLFOX-6 regimen
12 cycles of FOLFOX-6 regimen

Locations

Country Name City State
Egypt Tanta University Tanta Gharbyia

Sponsors (1)

Lead Sponsor Collaborator
Tanta University

Country where clinical trial is conducted

Egypt, 

References & Publications (20)

Al Moundhri MS, Al-Salam S, Al Mahrouqee A, Beegam S, Ali BH. The effect of curcumin on oxaliplatin and cisplatin neurotoxicity in rats: some behavioral, biochemical, and histopathological studies. J Med Toxicol. 2013 Mar;9(1):25-33. doi: 10.1007/s13181-012-0239-x. — View Citation

André T, Iveson T, Labianca R, Meyerhardt JA, Souglakos I, Yoshino T, Paul J, Sobrero A, Taieb J, Shields AF, Ohtsu A, Grothey A, Sargent DJ; for the IDEA Steering Committee. The IDEA (International Duration Evaluation of Adjuvant Chemotherapy) Collaboration: Prospective Combined Analysis of Phase III Trials Investigating Duration of Adjuvant Therapy with the FOLFOX (FOLFOX4 or Modified FOLFOX6) or XELOX (3 versus 6 months) Regimen for Patients with Stage III Colon Cancer: Trial Design and Current Status. Curr Colorectal Cancer Rep. 2013;9:261-269. Review. — View Citation

Basile D, Di Nardo P, Corvaja C, Garattini SK, Pelizzari G, Lisanti C, Bortot L, Da Ros L, Bartoletti M, Borghi M, Gerratana L, Lombardi D, Puglisi F. Mucosal Injury during Anti-Cancer Treatment: From Pathobiology to Bedside. Cancers (Basel). 2019 Jun 20;11(6). pii: E857. doi: 10.3390/cancers11060857. Review. — View Citation

Chakraborty A, Chowdhury S, Bhattacharyya M. Effect of metformin on oxidative stress, nitrosative stress and inflammatory biomarkers in type 2 diabetes patients. Diabetes Res Clin Pract. 2011 Jul;93(1):56-62. doi: 10.1016/j.diabres.2010.11.030. Epub 2010 Dec 13. — View Citation

Fragkos KC, Forbes A. Citrulline as a marker of intestinal function and absorption in clinical settings: A systematic review and meta-analysis. United European Gastroenterol J. 2018 Mar;6(2):181-191. doi: 10.1177/2050640617737632. Epub 2017 Oct 12. Review. — View Citation

Freites-Martinez A, Santana N, Arias-Santiago S, Viera A. Using the Common Terminology Criteria for Adverse Events (CTCAE - Version 5.0) to Evaluate the Severity of Adverse Events of Anticancer Therapies. Actas Dermosifiliogr (Engl Ed). 2021 Jan;112(1):90-92. doi: 10.1016/j.ad.2019.05.009. Epub 2020 Sep 3. English, Spanish. — View Citation

Guren MG. The global challenge of colorectal cancer. Lancet Gastroenterol Hepatol. 2019 Dec;4(12):894-895. doi: 10.1016/S2468-1253(19)30329-2. Epub 2019 Oct 21. — View Citation

Hoff PM, Saad ED, Costa F, Coutinho AK, Caponero R, Prolla G, Gansl RC. Literature review and practical aspects on the management of oxaliplatin-associated toxicity. Clin Colorectal Cancer. 2012 Jun;11(2):93-100. doi: 10.1016/j.clcc.2011.10.004. Epub 2011 Dec 6. Review. — View Citation

Keum N, Giovannucci E. Global burden of colorectal cancer: emerging trends, risk factors and prevention strategies. Nat Rev Gastroenterol Hepatol. 2019 Dec;16(12):713-732. doi: 10.1038/s41575-019-0189-8. Epub 2019 Aug 27. Review. — View Citation

Kidwell KM, Yothers G, Ganz PA, Land SR, Ko CY, Cecchini RS, Kopec JA, Wolmark N. Long-term neurotoxicity effects of oxaliplatin added to fluorouracil and leucovorin as adjuvant therapy for colon cancer: results from National Surgical Adjuvant Breast and Bowel Project trials C-07 and LTS-01. Cancer. 2012 Nov 15;118(22):5614-22. doi: 10.1002/cncr.27593. Epub 2012 May 8. — View Citation

Kleczkowska P, Lipkowski AW. Neurotensin and neurotensin receptors: characteristic, structure-activity relationship and pain modulation--a review. Eur J Pharmacol. 2013 Sep 15;716(1-3):54-60. doi: 10.1016/j.ejphar.2013.03.004. Epub 2013 Mar 14. Review. — View Citation

Plaza-Manzano G, Molina-Ortega F, Lomas-Vega R, Martínez-Amat A, Achalandabaso A, Hita-Contreras F. Changes in biochemical markers of pain perception and stress response after spinal manipulation. J Orthop Sports Phys Ther. 2014 Apr;44(4):231-9. doi: 10.2519/jospt.2014.4996. Epub 2014 Jan 22. — View Citation

Saito Y, Okamoto K, Kobayashi M, Narumi K, Furugen A, Yamada T, Iseki K. Magnesium co-administration decreases cisplatin-induced nephrotoxicity in the multiple cisplatin administration. Life Sci. 2017 Nov 15;189:18-22. doi: 10.1016/j.lfs.2017.08.028. Epub 2017 Aug 31. — View Citation

Salehifar E, Janbabaei G, Hendouei N, Alipour A, Tabrizi N, Avan R. Comparison of the Efficacy and Safety of Pregabalin and Duloxetine in Taxane-Induced Sensory Neuropathy: A Randomized Controlled Trial. Clin Drug Investig. 2020 Mar;40(3):249-257. doi: 10.1007/s40261-019-00882-6. — View Citation

Speer EM, Dowling DJ, Ozog LS, Xu J, Yang J, Kennady G, Levy O. Pentoxifylline inhibits TLR- and inflammasome-mediated in vitro inflammatory cytokine production in human blood with greater efficacy and potency in newborns. Pediatr Res. 2017 May;81(5):806-816. doi: 10.1038/pr.2017.6. Epub 2017 Jan 10. — View Citation

Tan G, Jensen MP, Thornby JI, Shanti BF. Validation of the Brief Pain Inventory for chronic nonmalignant pain. J Pain. 2004 Mar;5(2):133-7. — View Citation

Vondracek P, Oslejskova H, Kepak T, Mazanek P, Sterba J, Rysava M, Gal P. Efficacy of pregabalin in neuropathic pain in paediatric oncological patients. Eur J Paediatr Neurol. 2009 Jul;13(4):332-6. doi: 10.1016/j.ejpn.2008.06.011. Epub 2008 Sep 6. — View Citation

Yehia R, Saleh S, El Abhar H, Saad AS, Schaalan M. L-Carnosine protects against Oxaliplatin-induced peripheral neuropathy in colorectal cancer patients: A perspective on targeting Nrf-2 and NF-?B pathways. Toxicol Appl Pharmacol. 2019 Feb 15;365:41-50. doi: 10.1016/j.taap.2018.12.015. Epub 2018 Dec 25. — View Citation

Zanardelli M, Micheli L, Cinci L, Failli P, Ghelardini C, Di Cesare Mannelli L. Oxaliplatin neurotoxicity involves peroxisome alterations. PPAR? agonism as preventive pharmacological approach. PLoS One. 2014 Jul 18;9(7):e102758. doi: 10.1371/journal.pone.0102758. eCollection 2014. — View Citation

Zedan AH, Hansen TF, Fex Svenningsen A, Vilholm OJ. Oxaliplatin-induced neuropathy in colorectal cancer: many questions with few answers. Clin Colorectal Cancer. 2014 Jun;13(2):73-80. doi: 10.1016/j.clcc.2013.11.004. Epub 2013 Nov 13. Review. — View Citation

* Note: There are 20 references in allClick here to view all references

Outcome

Type Measure Description Time frame Safety issue
Primary percentage of patients with peripheral sensory neuropathy grade = 2 Grading according to National Cancer Institute Common Terminology. there are 5 grades; Grade (1) is asymptomatic may be accompanied by loss of tendon reflex or paresthesia. Grade (2) is moderate symptoms which limit instrumental activities of daily life Grade (3) is severe symptoms which limit self-care activates of daily life. Grade (4) is life threatening consequences or urgent intervention indicated. Grade (5) is death.
Criteria for Adverse Events (NCI-CTCAE, Version 5, 2017)
6 months
Primary variation of 12-item neurotoxicity questionnaire (Ntx- 12) total score the Ntx-12 questionnaire is comprised of 12 statements intended to measure the severity and impact of peripheral sensory neuropathy on patients' lives. Patients will be instructed to complete the Arabic version of the Ntx-12 and choose the number corresponding to how true each statement was for them using a likert-type scale, with 0 indicating not at all; 1, a little bit; 2, somewhat; 3, quite a bit; and 4, very much 6 months
Primary variation in grades of mucositis Mucositis will be assessed through the use of common terminology criteria for adverse events "CTCAE, version 5.00, 2017". Grade (1) is Asymptomatic or mild symptoms; intervention not indicated. Grade (2) is Moderate pain or ulcer that does not interfere with oral intake; modified diet indicated. Grade (3) is Severe pain, interfering with oral intake. Grade (4) is Life-threatening consequences; urgent intervention indicated. Grade (5) is Death. 6 months
Secondary Change in the biological marker Malondialdehyde Malondialdehyde (MDA) as oxidative stress marker will be measured using colorimetry 6 months
Secondary Change in the biological marker Tumor necrosis factor alfa Tumor necrosis factor alfa (TNF-a) as pro inflammatory marker will be measured using ELISA will be measured using (ELISA). 6 months
Secondary Change in the biological marker Neurotensin Neurotensin (NT) as a potential marker for neuropathic pain will be measured using ELISA 6 months
Secondary Change in the biological marker Citrulline Citrulline as a biomarker for mucositis will be measured using ELISA 6 months
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