• J Pain Symptom Manage · Oct 2019

    Randomized Controlled Trial

    Minocycline for Symptom Reduction during Oxaliplatin-Based Chemotherapy for Colorectal Cancer: A Phase II Randomized Clinical Trial.

    • Xin Shelley Wang, Qiuling Shi, Nishin A Bhadkamkar, Charles S Cleeland, Araceli Garcia-Gonzalez, Jonathan R Aguilar, Cobi Heijnen, and Cathy Eng.
    • Department of Symptom Research, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA. Electronic address: xswang@mdanderson.org.
    • J Pain Symptom Manage. 2019 Oct 1; 58 (4): 662-671.

    ContextThe most debilitating symptoms during oxaliplatin-based chemotherapy in patients with colorectal cancer (CRC) are neuropathy and fatigue. Inflammation has been suggested to contribute to these symptoms, and the anti-inflammatory agent minocycline is safe and readily available.ObjectivesThis proof-of-concept study investigated minocycline's capacity to reduce treatment-related neuropathy and fatigue and its impact on inflammatory markers during chemotherapy in a Phase II randomized, double-blind, placebo-controlled clinical trial.MethodsPatients with locally advanced or metastatic CRC who were scheduled for oxaliplatin-based chemotherapy were randomly assigned to receive either minocycline (100 mg twice daily) or placebo over four months from started chemotherapy. Toxicity assessments and blood samples were prospectively collected monthly. The severity of fatigue and numbness/tingling was assessed weekly using the MD Anderson Symptom Inventory. The primary endpoint, area under the curve for numbness/tingling and fatigue over approximately four months, was compared between the two arms.ResultsOf 66 evaluable participants, 32 received minocycline and 34 placebo. There was no observed significant symptom reduction on both fatigue and numbness/tingling in either arm, nor was there a difference in levels of serum proinflammatory and anti-inflammatory markers between arms. No Grade 3 adverse events nor disparity mediating effects on intervention were observed.ConclusionMinocycline treatment is feasible and has a low-toxicity profile. However, with 200 mg/day, it did not reduce numbness/tingling or fatigue nor moderate inflammatory biomarkers from this Phase II randomized study. Our results do not support further exploration of minocycline for fatigue or neuropathy symptom intervention in patients treated for CRC.Copyright © 2019 American Academy of Hospice and Palliative Medicine. Published by Elsevier Inc. All rights reserved.

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