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Cost Effective Pain and Symptom Management in the Hospice Patient

Aug 17, 2020

Articles are provided as informational purposes only and are not intended to constitute medical advice.

Medication protocols are subject to patient’s medical provider’s authorization.

Exceptional pain and symptom management is an essential component of hospice care. Hospice clinicians must consider cost-management in addition to therapeutic appropriateness when choosing medications for their patients at the end-of-life. This article will focus on common end-of-life symptoms seen in the hospice setting, including pain, anxiety and agitation, nausea and vomiting, constipation, dyspnea, and terminal secretions and how to cost-effectively manage these symptoms.


Pain Management

When assessing the patient’s pain, there are certain patient factors that should be evaluated. The patient’s diagnosis, allergies, renal and hepatic function, and swallowing status can all affect which medication to choose. The type of pain that the patient is experiencing will also impact choice of medication. Common types of pain seen in the hospice setting are nociceptive pain and neuropathic pain. For mild to moderate nociceptive pain, acetaminophen and NSAIDs are usually first-line. Opioids are typically utilized for moderate to severe pain, with morphine being generally regarded as the most cost-effective short-acting opioid. Other short-acting opioids often used in the hospice setting include oxycodone and hydromorphone. For a patient who requires long-acting pain control, an extended-release opioid can be effective. Morphine ER and methadone are typically the most cost-effective long-acting opioids available. Notably, methadone is effective for neuropathic pain and can be administered via many routes to a patient who cannot swallow. However, because of its unique pharmacokinetic profile, methadone must always be dosed by an experienced clinician and under close supervision. Other adjuvants for pain management in the hospice patient include oral corticosteroids, gabapentin, and tricyclic antidepressants.


Anxiety, Agitation, Terminal Restlessness

When assessing an anxious or agitated patient, it is important to first determine if there are any underlying issues that may be causing the patient’s change in behaviors. Is the patient in uncontrolled pain? Is there an underlying infection that is causing the patient to be restless or confused? Are the patient’s bowels moving? Benzodiazepines are typically used as first-line to treat anxiety or agitation, with lorazepam being the most cost-effective option. Antipsychotics can be used if benzodiazepines are ineffective. Haloperidol is typically the most cost-effective medication in this class, and quetiapine is the most preferred cost-effective option in patients with Parkinson’s disease. For severe anxiety or agitation, medications like divalproex or phenobarbital can be effective.


Nausea & Vomiting

For patients complaining of nausea/vomiting, it is important to try to identify the most likely trigger for the nausea. Several different neurotransmitters and receptors are involved in the emetic pathway, and targeting these receptors can help select which antiemetic agent to utilize. The table below summarizes which treatments are available:

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Bowel Management

Constipation is the most common adverse effect occurring with chronic opioid use. Since many hospice patients are utilizing opioids, whether scheduled or on an as needed basis, prophylactic treatment for constipation using a stimulant laxative should be part of the patient’s regimen. First-line stimulant laxative treatment is typically senna, or senna with docusate. An osmotic laxative can be added as a second-line agent, with sorbitol being a more cost-effective option than lactulose. Polyethylene glycol is also a cost-effective osmotic laxative, and is often recommended in cancer guidelines, but the fluid volume may be difficult to swallow for patients with dysphagia.



Dyspnea, Shortness of Breath

Difficulty breathing often occurs at the end-of-life, especially in patients with end-stage lung disease. Patients may complain of feeling short of breath, and their respiratory rates often reflect the feeling of breathlessness. Opioids are typically a mainstay of treatment of dyspnea at end of life, with morphine being the most cost-effective choice. Many patients may request to continue to use their inhaler devices, such as metered-dose inhalers or dry powder inhalers. These devices require manual dexterity, coordination, and deep inhalation. Most hospice patients are too weak or lack coordination to perform the necessary functions to use these devices appropriately. Additionally, the costs of these inhaler devices can be hundreds of dollars per device. For these reasons, it is preferred to use alternatives such as albuterol or ipratropium via a nebulizer. Oral corticosteroids can also be beneficial for dyspnea when inhaled therapies alone are not fully effective.


Terminal Secretions

Also known as “death rattle” or “terminal congestion”, terminal secretions often occur within the last few hours of life. Although these secretions are not disturbing to the patient, caregivers and family members hearing this noise often perceive the patient to be in distress and request treatment. Hyoscyamine and atropine drops are often chosen as first-line agents due to their cost and quick onset of action. It is important to remember that data to support the use of any antisecretory agent is limited, so supportive care and family education is essential.

Your ProCare clinical pharmacists are experts in pain and symptom management strategies that are cost-effective and patient-specific. We are available 24/7/365. Please contact us if you would like recommendations for your patient care needs!

 


Written by: Kiran Hamid, R.Ph.

 

References

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  8. Glare, P. et al. (2011, September). Treating nausea and vomiting in palliative care: a review. Retrieved from https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3180521/
  9. McPherson ML. (2018, February). Management of Opioid-Induced Constipation in Hospice Patients. Retrieved from https://www.ncbi.nlm.nih.gov/pubmed/28423917
  10. Ross, D. et al. (2001, September). Management of Common Symptoms in Terminally Ill Patients: Part II. Constipation, Delirium and Dyspnea. Retrieved from https://www.aafp.org/afp/2001/0915/p1019.html#afp20010915p1019-t4https://www.ncbi.nlm.nih.gov/pmc/articles/PMC155633/
  11. Clark, L. (2011, January). Risky Business: Anticoagulation Therapy in the Setting of Hospice and Palliative Care. Retrieved from https://www.jpsmjournal.com/article/S0885-3924(10)00861-4/fulltext
  12. Fahrni J, Husmann M, Gretener SB, Keo HH. Assessing the risk of recurrent venous thromboembolism--a practical approach. Vasc Health Risk Manag. 2015;11:451–459. Published 2015             Aug 17. doi:10.2147/VHRM.S83718
  13. Madison, M. (2015). Managing Complex Symptoms in End of Life Care[PowerPoint slides].
  14. Davis, Caralyn. (2020, March). COVID-19 Not in Your Building? 10 Keys to Limiting Spread and Impact. Retrieved from https://www.aadns-ltc.org/Resources/details/post/covid-19-not-in-your-building-10-keys-to-limiting-spread-and-impact/2020-03-25.
  15. Amirav, I. (2020, March). Transmission of Corona Virus by Nebulizer- a serious, underappreciated risk! Retrieved from https://www.cmaj.ca/content/re-transmission-corona-virus-nebulizer-serious-underappreciated-risk.


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Renal impairment is relatively common in both the elderly and hospice patients, and it can affect the way medications act in the body in several ways. Most commonly, it results in decreased clearance of renally-excreted medications, leading to accumulation of the drug and/or its metabolites and subsequent adverse or toxic effects. The absorption of oral medications may be reduced in patients with renal impairment due to increased gastric pH and gut wall edema. Uremia caused by renal impairment can increase sensitivity to medications that act on the central nervous system (CNS), as well as increase the risk of hyperkalemia due to potassium-sparing drugs. In addition, uremia can enhance the potential for NSAID-induced edema or GI bleeding. Renal impairment can also lead to edema or ascites, cachexia, dehydration, decreased albumin levels and binding capacity, and decreased tissue binding, all of which can impact the effects of medications. To compensate for these renal impairment-induced changes in drug disposition, the typical actions taken regarding medication administration are to decrease the dose, increase the dosing interval, or a combination of the two. The action that would be recommended depends on the drug and its specific characteristics. There are many medications that require dose adjustment in renal impairment, but here we’ll be discussing just those that are most often seen in hospice. The goal is to make you aware of these common medications (and categories) that often need dose adjustment so they trigger a mental alert for possible follow-up if they are ordered for your patients with decreased renal function. Opioids: Many opioids can accumulate in renal impairment as the parent drug and/or metabolites. Tramadol has a maximum daily dose in all patients, but in patients with a creatinine clearance (CrCL) less than 30 mL/minute, this maximum dose is reduced to 200 mg per day and the dosing interval should be extended to every 12 hours. Morphine renal dose reductions start with a CrCL less than 60 mL/minute, with possible extension of the dosing interval at this point as well. It is typically recommended to start considering alternatives to morphine in patients with a CrCL less than 30 mL/minute, and to avoid it altogether in patients with a CrCL less than 15 mL/minute. At end of life, the benefits of morphine can sometimes outweigh the risks. Because the presentation of renal accumulation-based adverse effects may be delayed, morphine can be used even in severe renal impairment or renal failure when the prognosis is hours to days, or in dialysis patients when death is imminent. Typically, oxycodone and hydromorphone are considered preferred alternatives to morphine in patients with significant renal impairment, although they both have metabolites that can accumulate in renal failure. As a result, the dose of oxycodone should be reduced and the dosing interval increased in patients with a CrCL less than 60 mL/minute, and oxycodone extended-release products should usually be avoided in patients with a CrCL less than 30 mL/minute. Hydromorphone dose reduction is also recommended when CrCL is less than 60 mL/minute; further dose reduction and extension of the dosing interval is recommended for hydromorphone when CrCL is less than 30 mL/minute. Although hydrocodone and its active metabolites may accumulate in renal impairment, there are no dose reductions for hydrocodone/acetaminophen according to the manufacturer’s labeling. Hydrocodone extended-release products (Hysingla ER®, Zohydro ER®) are rarely used in hospice, but dose reductions are recommended in patients with moderate to severe renal impairment. Methadone and fentanyl patch are considered among the safest opioids in renal impairment because they do not have active metabolites. However, renal impairment can still alter how fentanyl moves in the body, so dose reduction is recommended in patients with a CrCL of 50 mL/minute or less. For methadone, dose reduction is not recommended until very severe renal impairment (CrCL less than 10 mL/minute). No dose reductions are recommended for buprenorphine at any degree of renal impairment, and it is generally considered safe in this population. NSAIDs: Examples of NSAIDs that are commonly used in hospice include ibuprofen (Advil®, Motrin®), naproxen (Aleve®), and meloxicam (Mobic®), and as mentioned previously, there are some concerns regarding the use of NSAIDs in renal impairment. According to the Kidney Disease: Improving Global Outcomes (KDIGO) 2012 Clinical Practice Guideline, prolonged therapy with NSAIDs is not recommended if GFR is less than 60 mL/minute/1.73m² , and NSAIDs should typically be avoided in patients with a GFR less than 30 mL/minute/1.73m². As a general rule, NSAIDs should be used at the lowest effective dose for the shortest time possible in patients with renal impairment. In addition, NSAIDs should be avoided in patients with a high risk for developing acute kidney injury (e.g. volume depleted, elderly, and/or taking other nephrotoxic medications), and should be discontinued if acute kidney injury occurs during use. Antimicrobials: Many antimicrobials require dose reduction and/or extension of the dosing interval in renal impairment. Specific dosing recommendations depend on the antimicrobial in question and the type of infection being treated. When used for multiple doses, the dose of the antifungal fluconazole (Diflucan®) should be reduced in patients with a CrCL of 50 mL/minute or less. Examples of antibiotics commonly used in hospice that need dose adjustment include: sulfamethoxazole/trimethoprim (Bactrim®); fluoroquinolone antibiotics, including ciprofloxacin (Cipro®) and levofloxacin (Levaquin®); certain penicillin antibiotics, such as amoxicillin and amoxicillin/clavulanate (Augmentin®); and some cephalosporins, including cephalexin (Keflex®) and cefdinir (Omnicef®). Nitrofurantoin (Macrobid®, Macrodantin®) also has significant concerns in renal impairment. According to the manufacturer’s prescribing information, it is contraindicated in anuria, oliguria, or significant renal impairment (defined as a CrCL less than 60 mL/minute or clinically significant elevated serum creatinine). However, limited data suggest it is safe and effective for short-term use in patients with a CrCL of 30 to 60 mL/minute, although there appears to be an increased risk of pulmonary adverse events when eGFR is less than 50 mL/minute. In any case, nitrofurantoin should be avoided altogether in patients with a CrCL less than 30 mL/minute, due to the risk of pulmonary toxicity, hepatotoxicity, and peripheral neuropathy. Renal impairment can affect drug disposition in several ways, often increasing the risk of adverse and toxic effects. Whenever you have a patient with renal impairment, evaluate whether they are taking medications that may be cause for concern and require dose adjustment, and remember that hospice clinicians, pharmacists, and drug information resources can help by providing specific renal dosing recommendations. By Joelle K. Potts RPh, PharmD, BCGP REFERENCES: Aging and Kidney Disease. National Kidney Foundation. Available at: https://www.kidney.org/news/monthly/wkd_aging [accessed 8/8/2022] Aronoff GR, Bennett WM, Berns JS, Brier ME, Kasbekar N, Mueller BA, et al. Drug Prescribing in Renal Failure: Dosing Guidelines for Adults and Children. 5th American College of Physicians, Philadelphia, PA; 2007. Renal Impairment. Chapter in: Palliative Care Formulary, 7th Edition (PCF7). Wilcock A, Howard P, Charlesworth S, Eds. Pharmaceutical Press, London, UK. Chapter 17, added April 2017; 715-35. Drug monographs. Lexcomp Online, Lexi-Drugs Online. Waltham, MA: UpToDate, Inc. https://online.lexi.com. O’Connor NR, Corcoran AM. End-stage renal disease: symptom management and advance care planning. Am Fam Physician. 2012; 85(7): 705-10. Kidney Disease: Improving Global Outcomes (KDIGO). KDIGO 2012 clinical practice guideline for the evaluation and management of chronic kidney disease. Kidney International Supplements. Jan 2013; 3(1). Available at: www.kidney-international.org Macrobid® Prescribing Information. Proctor and Gamble Pharmaceuticals, Inc. Cincinnati, OH. Revised Jan 2009. Available at: https://www.accessdata.fda.gov/drugsatfda_docs/label/2009/020064s019lbl.pdf [accessed 6/13/2022] Macrodantin® Prescribing Information. Almatica Pharma Inc. Pine Brook, NJ. Revised Mar 2013. Available at: https://www.accessdata.fda.gov/drugsatfda_docs/label/2013/016620s072lbl.pdf [accessed 6/13/2022] 2019 American Geriatrics Society Beers Criteria® Update Expert Panel. American Geriatrics Society 2019 updated Beers Criteria® for potentially inappropriate medication use in older adults. JAGS. 2019; 00: 1-21
24 Aug, 2022
Buprenorphine is a unique opioid analgesic. It has several benefits (“pros”) for pain management, but it also has a few significant risks (“cons”) that prevent it from being used more frequently in hospice.  For pain management, buprenorphine is available as a buccal film (Belbuca®), a weekly transdermal patch (Butrans®), and an injection solution (Buprenex®). The forms that are most often seen in hospice patients are the buccal film and transdermal patch, which are used routinely as long-acting opioids for chronic pain, and these are the dosage forms we’ll be discussing here. Buprenorphine injection is indicated for acute pain and is not recommended for long-term use, and it is rarely used in hospice. Other dosage forms (monthly subcutaneous injection, 6-month subcutaneous implant, and daily sublingual tablet) are indicated for opioid use disorder and are not FDA-approved for pain management. What makes buprenorphine unique is the way it binds to various opioid receptors. The most commonly used opioid analgesics (e.g. morphine, oxycodone, fentanyl, and hydrocodone) are full mu-opioid receptor agonists, meaning they bind to and activate the mu-opioid receptor. In contrast, an antagonist blocks a receptor by binding to it without activating it; naloxone (Narcan®) is an excellent example of a mu-opioid receptor antagonist. Buprenorphine is a partial mu-opioid receptor agonist, which means that it binds to the mu-opioid receptor but activates it to a lesser degree than a full agonist. In addition to its effects at the mu-opioid receptor, buprenorphine has activity at three other opioid receptors: it is an antagonist at the delta- and kappa-opioid receptors, and a full agonist at the ORL-1 (opioid receptor-like 1; a.k.a. nociceptin) opioid receptor. The Pros of Buprenorphine: Effective for pain. Buprenorphine’s partial agonism at the mu-opioid receptor refers only to its activity level at the receptor, and not to its effectiveness as an analgesic. In fact, buprenorphine’s analgesic effects are comparable to full mu-opioid receptor agonists in a variety of different pain types, including moderate to severe post-operative and cancer pain, osteoarthritis, and chronic low back pain. Buprenorphine is also effective for neuropathic pain. Lower risk of certain opioid adverse effects. Because of buprenorphine’s unique activity at four opioid receptors, it is less likely to cause several common opioid adverse effects. When compared with most full mu-opioid receptor agonists, buprenorphine has a lower incidence of respiratory depression – although, as with all opioids, this adverse effect is still possible. Because buprenorphine is also less likely to produce euphoria, it has less potential for physical dependence and addiction; as such, it is classified as a Schedule III (C-III) controlled substance. In addition, when compared with the extended-release forms of oxycodone, hydromorphone, and oxymorphone, buprenorphine buccal film causes significantly less nausea, vomiting, constipation, dizziness, and somnolence. When buprenorphine is compared to morphine, the differences in adverse effect frequency are less pronounced, perhaps due to the dosage forms evaluated (or not evaluated). When comparing buprenorphine buccal film to morphine (dosage form not specified), buprenorphine appears to have just slightly lower incidences of constipation, somnolence, anxiety, and dry mouth. In a 2018 systematic review and meta-analysis of buprenorphine vs. morphine in acute pain management, the only significant difference in adverse effects identified was that buprenorphine was associated with less pruritis. The dosage forms considered in this review varied but were typically morphine injection vs. buprenorphine injection or sublingual tablet (not the patch or buccal film forms of buprenorphine that we usually see in our hospice patients). Safe in special populations. In addition, buprenorphine is considered safe in populations that we see often in hospice: those with renal impairment, including dialysis; those with mild to moderate hepatic impairment; and the elderly. The Cons of Buprenorphine: High cost. Unfortunately, buprenorphine patch and buccal film are relatively high-cost medications, which makes them much less attractive for use in hospice. Depending on the strength, the average cost for the generic weekly patch ranges from approximately $10 to $28 per day; the average cost for the brand buccal film, which is dosed once or twice a day, ranges from approximately $8 to $19 per film. Dosing limitations and cautions in severe hepatic impairment. A potential concern, especially in hospice patients, is that buprenorphine patch and buccal film both have maximum recommended doses. Also, the dose of the patch should be titrated no more frequently than every 72 hours, while the dose of the buccal film should be titrated no more frequently than every 4 days. Because buprenorphine has primarily hepatic metabolism, there are cautions regarding its use in severe liver impairment; in these patients, the dose of the buccal film should be reduced, and the transdermal patch form is not recommended. The Verdict: There are a number of reasons why buprenorphine patch and buccal film are excellent long-acting analgesics for many patients, especially those who are not approaching end of life. However, the cons can be significant, and buprenorphine is usually not preferred as a first- or second-line option for the majority of our hospice patients because other long-acting analgesics are effective and available at a much lower cost (e.g. methadone, morphine extended-release, and many strengths of fentanyl patch). In addition, the fact that buprenorphine patch and buccal film have maximum recommended doses may become an issue at end of life in patients whose pain is rapidly escalating. Of course, the pros and cons must always be weighed for each patient and their specific situation; no doubt there will be some hospice patients for whom buprenorphine patch or buccal film is an ideal choice. Written by Joelle Potts, PharmD, CGP REFERENCES: Lexicomp Online, Lexi-Drugs Online. Waltham, MA: UpToDate, Inc.; July 23, 2022. https://online.lexi.com. [last accessed 7/23/2022] Buprenorphine Practitioner Resources and Information. Substance Abuse and Mental Health Services Administration (SAMSHA), U.S. Department of Health and Human Services. Programs: Medication-Assisted Treatment (MAT). Last updated 6/24/2021. Available at: https://www.samhsa.gov/medication-assisted-treatment/practitioner-resources [last accessed: 2/5/2022] Become a Buprenorphine Waivered Practitioner. Substance Abuse and Mental Health Services Administration (SAMSHA), U.S. Department of Health and Human Services. Programs: Medication-Assisted Treatment (MAT). Last updated 6/24/2021. Available at: https://www.samhsa.gov/medication-assisted-treatment/become-buprenorphine-waivered-practitioner [last accessed: 2/5/2022] Practice Guidelines for the Administration of Buprenorphine for Treating Opioid Use Disorder. U.S. Department of Health and Human Services, Federal Register document number 2021-08961, pages 22439-40; 4/28/2021. Available at: https://www.federalregister.gov/documents/2021/04/28/2021-08961/practice-guidelines-for-the-administration-of-buprenorphine-for-treating-opioid-use-disorder [last accessed 2/5/2022] Pharmacist’s Manual: An Informational Outline of the Controlled Substances Act. EO-DEA154; revised 2020. Drug Enforcement Administration (DEA), Diversion Control Division. Available at: https://www.deadiversion.usdoj.gov/pubs/manuals/ [last accessed 2/28/2022] Pharmacological Treatment. Under: Opioids > Medication Assisted Recovery. Indian Health Service (IHS), Rockville, MD. https://www.ihs.gov/opioids/recovery/pharmatreatment/ [accessed 12/9/2021] Hale M, Garofoli M, Raffa RB. Benefit-risk analysis of buprenorphine for pain management. Journal of Pain Research, 2021:14; 1359-69. Gudin J, Fudin J. A narrative pharmacological review of buprenorphine: a unique opioid for the treatment of chronic pain. Pain Ther. Published online: 28 Jan 2020. Childers JW, Lou K, Arnold R. Fast Facts and Concepts #268. Low-dose buprenorphine patch for pain. October 2020. Available at: https://www.mypcnow.org Davis MP. Twelve reasons for considering buprenorphine as a frontline analgesic in the management of pain. The Journal of Supportive Oncology. Nov-Dec 2012; 10(6): 209-19. Khanna IK, Pillarisetti S. Buprenorphine – an attractive opioid with underutilized potential in treatment of chronic pain. Journal of Pain Research, 2015:8. 859-70. White LD, et al. Efficacy and adverse effects of buprenorphine in acute pain management: systematic review and meta-analysis of randomized controlled trials. British Journal of Anaesthesia. 2018; 120(4): 668-78. Morphine (systemic). Lexicomp Online, Lexi-Drugs Online. Waltham, MA: UpToDate, Inc.; July 20, 2022. https://online.lexi.com. [last accessed 7/23/2022] Butrans® (buprenorphine patch) prescribing information. Purdue Pharma LP, Stamford, CT. Revised March 2021. Available at: https://butrans.com [last accessed 3/15/2022] Belbuca® (buprenorphine buccal film) prescribing information. BioDelivery Sciences International, Inc., Raleigh, NC. Revised March 2021. Available at: https://www.belbuca.com. [last accessed 3/15/2022]
26 May, 2022
There are many types of chronic, non-healing wounds. These include pressure ulcers, diabetic ulcers, arterial insufficiency ulcers, venous ulcers, and malignant wounds. Pressure ulcers are the most common type of wound we encounter as patients decline, become bed bound, and approach end-of-life. Stage 1 and 2 pressure ulcers cause superficial skin changes, and Stage 3 and 4 pressure ulcers affect the deep tissue framework.¹ Pressure ulcers should be staged depending on damage and presence of certain characteristics. It is important to note that if a wound is healing, reverse staging is not done. If a patient has a stage 3 ulcer that is getting better, we would say that the patient has a “healing” stage 3 pressure ulcer.² A patient’s initial assessment should include a review of their skin and existing wounds, if any, and an assessment of the risk factors that are affecting wound healing. The Braden Scale for Predicting Pressure Sore Risk is one tool used when assessing patients. It is based on sensory perception, moisture, activity, mobility, nutrition, and friction/shear. Keep in mind, most tools used to predict risk do not account for end-of-life decline, so hospice/palliative care patients may be at greater risk than the scales show.³ Other risk factors for chronic non-healing wounds include obesity, tobacco use, vascular issues, diabetes, elderly, radiation therapy, poor self-care, alcohol use, and neurological issues. After the initial assessment, a plan should be developed that aligns with the patient and family’s goals. If there are emotional or spiritual issues that are contributing to poor self-care or alcohol/substance abuse, consider calling on other members of your multi-disciplinary team (i.e., social worker or clergy) for assistance. Therapy goals, which aim to improve quality of life, should be based on patient prognosis, patient factors, heal-ability of existing wound, type of wound, and patient and family wishes. Goals should include preventing new wounds or worsening of existing wounds, prevent/relieve distressing symptoms, reduce discomfort, reduce risk of infection, bleeding, and odor.³ The TIME mnemonic can help us improve wound care.
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