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Aetna Aetna
Clinical Policy Bulletin:
Migraine and Cluster Headache: Nonsurgical Management
Number: 0462


Policy

Aetna considers parenteral administration of dihydroergotamine (DHE) medically necessary for the treatment of intractable migraine or cluster headache.  Prolonged multi-day administration of DHE is considered medically necessary when both of the following conditions are met:

  1. Member has intractable cluster headache or severe migraine headache (i.e., status migrainosus, chronic daily headache, transformed migraine, rebound headache); and
  2. Headache is refractory to maximum outpatient anti-migraine therapy.

Aetna considers parenteral DHE experimental and investigational for all other types of headache due to insufficient evidence in the peer-reviewed literature.

Aetna considers measurement of serum and/or cerebrospinal fluid levels of tumor necrosis factor-alpha experimental and investigational for intractable migraine or cluster headache due to insufficient evidence in the peer-reviewed literature.

Aetna considers the following interventions experimental and investigational for the management of members with migraines due to insufficient evidence in the peer-reviewed literature (not an all inclusive list):

  • Orally inhaled DHE
  • Intravenous aspirin (lysine acetylsalicylate)
  • Melantonin (for prophylaxis of migraine)
  • Obesity surgery.

Aetna considers sodium oxybate for the treatment of cluster headache experimental and investigational due to insufficient evidence in the peer-reviewed literature.

Aetna considers intranasal ketamine, intravenous lidocaine, intravenous valproic acid (Depacon), lidocaine injections into the supraorbital nerve and supratrochlear nerve, supraorbital nerve and supratrochlear nerve blocks, and supraorbital transcutaneous stimulation experimental and investigational for the management of members with migraines and other types of headaches due to insufficient evidence in the peer-reviewed literature.

Aetna considers the Reed procedure (combined occipital and supraorbital neurostimulation) experimental and investigational for the treatment of chronic headaches because its effectiveness has not been established.

See also CPB 0011 - Electrical Stimulation for PainCPB 0113 - Botulinum ToxinCPB 0132 - BiofeedbackCPB 0172 - Hyperbaric Oxygen Therapy (HBOT)CPB 0388 - Complementary and Alternative Medicine, CPB 0707 - Headaches: Invasive Procedures, and CPB 0735 - Pulsed Radiofrequency.



Background

Migraine is a paroxysmal disorder with attacks of headache, nausea, vomiting, photo- and phonophobia and malaise.  Cluster headaches occur as a severe, sudden headache typified by constant, unilateral pain around the eye, with onset usually within 2-3 hours of falling asleep.  Pharmacologic symptomatic treatment is aimed at reversing, aborting, or reducing pain and the accompanying symptoms of an attack, and to optimize the patient's ability to function normally.

Most attacks of mild migraine and cluster headache can be effectively treated by anti-emetics followed by analgesics such as aspirin, acetaminophen or non-steroidal anti-inflammatory drugs (NSAIDs).  Moderate to severe attacks are successfully treated utilizing combinations of ergotamine tartrate (ET), dihydroergotamine (DHE), and sumatriptan (Imitrex) with anti-emetics, simple analgesics, NSAIDs, and/or opiates.  For severe migraine headaches, alternative medications include intravenous administration of neuroleptics such as chlorpromazine (Thorazine) and prochlorperazine (Compazine), occasionally corticosteroids such as prednisone, hydrocortisone, dexamethasone, and methylprednisone, and lastly parenteral narcotic analgesics such as meperidine and the nasal spray butorphanol tartrate (Stadol NS).  Moreover, corticosteroid therapy may also be indicated in patients with status migrainosus.

Subcutaneous, intramuscular, and intravenous DHE can be safely administered in the office, clinic, or emergency room setting at any time during a migraine attack, including the aura.  Intravenous administration provides rapid peak plasma levels and is the most effective form when a rapid effect is desired or for patients with intractable severe headache (status migrainosus, transformed migraine, rebound headache) and cluster headache.  One of the most appropriate indications for intravenous DHE is status migrainosus.  Another important indication of repetitive intravenous DHE administration is a transformed migraine type of chronic daily headache with or without analgesic overuse.  Intramuscular administration is effective for moderate to severe migraine with or without nausea and vomiting in the outpatient setting.  Patients can even be taught to self-administer DHE intramuscularly, thus avoiding emergency room or doctor visits.

For unresponsive patients with severe or ultra-severe attacks, intravenous (IV) prochlorperazine (5 to 10 mg) may be administered in the emergency room, followed immediately by 0.75 mg DHE IV given over 3 minutes.  If there is no relief in 30 mins, another 0.5 mg of DHE IV may be given.  Overall clinical efficacy of DHE is highly satisfactory with a reported 90 % of the attacks aborted when the drug was given intravenously.  Occasionally, intravenous fluids and repeated injections of intravenous DHE for about 24 to 72 hours may be necessary to relieve uncontrollable pain.  Hospitalization may be necessary for such prolonged multi-day administration, but only after maximal treatment in the outpatient setting fails to abort the headache.  Various protocols are available for the use of repetitive injections of DHE.  In all of them, an initial test dose of 0.33 mg of DHE plus 5 mg of metoclopramide or prochlorperazine is given, followed by 0.50 mg of DHE with either of the 2 anti-emetics every 6 hours for 48 to 72 hours.  Such therapy allows a break in the headache cycle sufficiently long enough to facilitate the patient's transition to prophylactic therapy.

According to the Food and Drug Administration (FDA)-approved product labeling, DHE-45 administration is contraindicated in any of the following patients:

  1. Nursing mothers; or
  2. Persons having conditions predisposing to vasospastic reactions such as known peripheral arterial disease, coronary artery disease (in particular, unstable or Prinzmetal's vasospastic angina), sepsis, vascular surgery, uncontrolled hypertension, and severely impaired hepatic or renal function; or
  3. Persons on vasoconstrictors because the combination may result in extreme elevation of blood pressure; or
  4. Persons with hemiplegic or basilar migraine; or
  5. Persons with previously known hypersensitivity to ergot alkaloids; or
  6. Pregnant women, as DHE possesses oxytocic properties.

Fisher et al (2007) evaluated the effectiveness and tolerability of DHE nasal spray for the treatment of headache that is refractory to triptans.  Patients who failed previous treatments with 1 or more triptan formulations were considered refractory to triptan treatment and were included in the study.  Headache severity was assessed by the patient at the center using a visual analog scale (VAS) of 1 to 10 (10 being most severe) at baseline and 4 weeks after initiating DHE.  The responses to DHE were assessed and categorized as complete response (headache symptoms resolved), partial response (greater than or equal to 50 % reduction in VAS), or unresponsive (less than 50 % reduction in VAS).  Four weeks after DHE use, any adverse event (AE) that occurred during DHE use was reported by the patient at the center.  The effectiveness of DHE was determined by headache severity reductions.  Tolerability was assessed in terms of AE frequency.  A total of 97 patients met the study criteria: 13 patients were lost to follow-up; 33 patients (34.0 %) reported a complete response to DHE treatment, 13 (13.4 %) experienced a partial response, and 38 (39.2 %) were unresponsive.  Seven of 97 patients (7.2 %) reported AEs (e.g., nasal congestion, dysphoria) while using DHE.  The authors noted that this retrospective chart review included patients who failed triptan therapy for treatment of headaches.  They reported that 47 % of patients experienced partial to complete response to DHE treatment.  Study limitations included the retrospective design, the small sample size, and the use of patient recollection to evaluate the effectiveness and tolerability of DHE.  They stated that randomized, double-blind, controlled studies are needed to ascertain the clinical value of this approach.  This is in agreement with the findings of a pilot study by Weintraub (2006) who reported that repetitive intra-nasal DHEmay be a safe and effective therapy for refractory headaches.  However, interpretation of these results is limited by the open-label, uncontrolled design and the small number of patients.  The author stated that development of a double-blind, placebo-controlled study to further evaluate this treatment regimen is warranted.

Migraine without aura is a complex genetic disease in which susceptibility and environmental factors contribute towards its development.  Several studies suggested that tumor necrosis factors (TNF) (TNF-alpha and lymphotoxin-alpha or TNF-ss) may be involved in the pathophysiology of migraine.  In a case-control study, Asuni et al (2009) evaluated the possibility of an association between TNF gene polymorphisms and migraine without aura.  These researchers examined 299 patients affected by migraine without aura (I.H.S. criteria 2004) and 278 migraine-free controls.  The polymorphisms G308A of the TNF- alpha gene, and G252A of TNF-beta gene were determined by NcoI restriction fragment length polymorphism analysis.  These investigators found a statistically significant difference in allele (p = 0.018; OR = 1.46; 95 % confidence interval [CI]: 1.066 to 2.023) and genotype (trend chi2 = 5.46, df = 1, p = 0.019) frequencies of TNF-beta gene, between cases and controls.  Allele and genotype frequencies of TNF-alpha polymorphism did not differ significantly between the 2 groups.  These data suggested that subjects with the TNFB2 allele have a low-risk of developing migraine without aura and/or that the polymorphism of the TNF-beta gene is in linkage disequilibrium with other migraine responsible genes in the HLA region.

Measurement of TNF-alpha is an indicator of persistent systemic infection or inflammation.  It has been observed that new daily persistent headache (NDPH) may occur following infection and is one of the most treatment-resistant headache types.  A number of investigators have evaluated TNF-alpha levels in serum and cerebro-spinal fluid (CSF) in patients with NDPH, chronic migraine or post-traumatic headache.  These studies have found elevated CSF TNF-alpha levels in persons with these headaches.  The results from these studies suggested that elevated levels of CSF TNF-alpha may play a role in the pathogenesis of migraine and other chronic headaches.  These studies might also suggest that elevated CSF TNF-alpha may be an indicator of refractory headaches.  The studies suggested that TNF-alpha inhibitors may have a therapeutic role in treating patients with migraine and other types of headache (Perini et al, 2005; Rozen and Swidan, 2007; Bo et al, 2009).  However, there are no prospective clinical studies demonstrating the clinical utility of TNF-alpha measurement in migraine or other headache disorders.  Additional studies are needed to further investigate the relationship of CSF TNF-alpha levels in subjects with various types of chronic headache.

Schurks (2009) assessed the modes of administration, effectiveness and safety profile of DHE in the treatment of migraine.  Evidence-based data are scarce.  Parenteral DHE appears to be as effective as or less effective than triptans with regard to pain control, but more effective than other drugs used in the treatment of attacks.  The nasal spray is more effective than placebo, but less effective than triptans.  Additional reports suggest that DHE is especially beneficial in migraine patients not satisfactorily responding to analgesics, in those with long attacks or headache recurrence, and those at risk of medication-overuse headache.  The author noted that the effectiveness of the oral formulation in migraine prevention is not substantiated by clinical trials.

Management of headaches is not an FDA-approved indication for aspirin (lysine acetylsalicylate).  Weatherall et al (2010) stated that intravenous (IV) aspirin has been shown to be effective in the treatment of acute migraine attacks, but little is known about its effectiveness and safety in patients hospitalized for management of severe headache, typically arising from abrupt withdrawal of other acute attack medications.  These investigators presented an audit of their use of IV aspirin in 168 patients in a tertiary referral setting.  The findings demonstrated subjective approval of this medication by the patients and objective improvements in pain scores, a decrease of greater than or equal to 3 points on a 10-point VAS being seen on greater than 25 % occasions on which the medication was administered.  Further, side effect rates were low (5.9 %), with no serious adverse events.  The authors concluded that IV aspirin is safe, effective, and useful in the inpatient management of headache.  The drawbacks of this study were its uncontrolled, retrospective nature and the results were confounded by the fact that many subjects received more than 1 medication.  The findings of this small study need to be validated by well-designed studies. 

In a randomized, double-blind, placebo-controlled cross-over study, Alstadhaug et al (2010) examined the effects of melantonin as a prophylaxis.  Men and women, aged 18 to 65 years, with migraine but otherwise healthy, experiencing 2 to 7 attacks per month, were recruited from the general population.  After a 4-week run-in phase, 48 subjects were randomized to receive either placebo or extended-release melatonin (Circadin®, Neurim Pharmaceuticals Ltd., Tel Aviv, Israel) at a dose of 2-mg 1 hour before bedtime for 8 weeks.  After a 6-week washout treatment was switched.  The primary outcome was migraine attack frequency (AF).  A secondary end point was sleep quality assessed by the Pittsburgh Sleep Quality Index (PSQI).  A total of 46 subjects completed the study (96 %).  During the run-in phase, the average AF was 4.2 (+/- 1.2) per month and during melatonin treatment the AF was 2.8 (+/- 1.6).  However, the reduction in AF during placebo was almost equal (p = 0.497).  Absolute risk reduction was 3 % (95 % CI: -15 to 21, number needed to treat = 33).  A highly significant time effect was found.  The mean global PSQI score did not improve during treatment (p = 0.09).  The authors concluded that these findings provided evidence that prolonged-release melatonin (2-mg 1 hour before bedtime) does not provide any significant effect over placebo as migraine prophylaxis; thus, such treatment can not be recommended.

Aurora and associates (2011) evaluated the tolerability and effectiveness of MAP0004 (an orally inhaled formulation of DHE delivered to the systemic circulation) compared with placebo for a single migraine in adult migraineurs.  MAP0004 provided significant early onset of pain relief (10 mins, p < 0.05) and sustained pain relief for up to 48 hours with a favorable adverse event profile.  This study was conducted at 102 sites in 903 adults with a history of episodic migraine.  Patients were randomized (1:1) to receive MAP0004 (0.63-mg emitted dose; 1.0-mg nominal dose) or placebo, administered after onset of a migraine headache with moderate to severe pain.  The co-primary end points were patient-assessed pain relief and absence of photophobia, phonophobia, and nausea at 2 hours after treatment.  A total of 903 patients (450 active, 453 placebo) were randomized, and 792 (395 active, 397 placebo) experienced a qualifying migraine.  MAP0004 was superior to placebo in all 4 co-primary end points: pain relief (58.7 % versus 34.5 %, p < 0.0001), phonophobia-free (52.9 % versus 33.8 %, p < 0.0001), photophobia-free (46.6 % versus 27.2 %, p < 0.0001), and nausea-free (67.1 % versus 58.7 %, p = 0.0210).  Additionally, significantly more patients were pain-free at 2 hours following treatment with MAP0004 than with placebo (28.4 % versus 10.1 %, p < 0.0001).  MAP0004 was well-tolerated; no drug-related serious adverse events occurred.  The authors concluded that MAP0004 was effective and well-tolerated for the acute treatment of migraine with or without aura, providing statistically significant pain relief and freedom from photophobia, phonophobia, and nausea in adults with migraine compared with placebo.

Baron and Tepper (2010) noted that triptans are very effective for many migraineurs, and since their widespread use, use of ergots has significantly declined.  Unfortunately, there remain many migraineurs who benefit little from triptans, yet respond very well to ergots.  Ergots interact with a broader spectrum of receptors than triptans.  This lack of receptor specificity explains potential ergot side effects, but may also account for efficacy.  The authors stated that the role of ergots in headache should be revisited, especially in view of newer ergot formulations with improved tolerability and side effect profiles, such as orally inhaled DHE.  They noted that re-defining where in the headache treatment spectrum ergots belong and deciding when they may be the optimal choice of treatment is necessary.  Additionally, in a review new drugs and new approaches for acute migraine therapy, Monteith and Goadsby (2011) stated that current pharmacotherapies of acute migraine consist of non-specific and relatively specific agents.  Migraine-specific drugs comprise 2 classes: the ergot alkaloid derivatives and the triptans, serotonin 5-HT(1B/1D) receptor agonists.  The ergots, consisting of ergotamine and DHE, are the oldest specific anti-migraine drugs available and are considered relatively safe and effective.  Ergotamine has been used less extensively because of its adverse effects; DHE is better tolerated.  The triptan era, beginning in the 1990s, was a period of considerable change, although these medicines retained vasoconstrictor actions.  New methods of delivering older drugs include orally inhaled DHE as well as the trans-dermal formulation of sumatriptan, both currently under study.  Furthermore, orally inhaled formulation DHE for the treatment of migraine has not received FDA approval yet.

In a prospective observational study, Bond et al (2011) examined whether weight loss after bariatric surgery is associated with improvements in migraine headaches.  A total of 24 patients who had migraine according to the ID-Migraine screener were assessed before and 6 months after bariatric surgery.  At both time points, patients had their weight measured and reported on frequency of headache days, average headache pain severity, and headache-related disability over the past 90 days via the Migraine Disability Assessment questionnaire.  Changes in headache measures and the relation of weight loss to these changes were assessed using paired-sample t tests and logistic regression, respectively.  Patients were mostly female (88 %), middle-aged (mean age of 39.3 years), and severely obese (mean body mass index of 46.6) at baseline.  Mean (+/- SD) number of headache days was reduced from 11.1 +/- 10.3 pre-operatively to 6.7 +/- 8.2 post-operatively (p < 0.05), after a mean percent excess weight loss (% EWL) of 49.4 %.  The odds of experiencing a greater than or equal to 50 % reduction in headache days was related to greater % EWL, independent of surgery type (p < 0.05).  Reductions in severity were also observed (p < 0.05) and the number of patients reporting moderate to severe disability decreased from 12 (50.0 %) before surgery to 3 (12.5 %) after surgery (p < 0.01).  The authors occluded that severely obese migraineurs experience marked alleviation of headaches after significant weight reduction via bariatric surgery.  However, they stated that more studies are needed to examine if more modest, behaviorally produced weight losses can effect similar migraine improvements.  The findings of this small, retrospective, uncontrolled study need to be confirmed by randomized controlled trials.  Furthermore, it would be interesting to ascertain if there is a dose-response relationship (i.e., if greater weight loss would lead to greater improvement of migraine headaches).

Posadzki and Ernst (2011) evaluated the effectiveness of spinal manipulations as a treatment for migraine headaches.  A total of 7 databases were searched from inception to November 2010.  All randomized clinical trials (RCTs) investigating spinal manipulations performed by any type of healthcare professional for treating migraine headaches in human subjects were considered.  The selection of studies, data extraction and validation were performed independently by 2 reviewers.  A total of 3 RCTs met the inclusion criteria.  Their methodological quality was mostly poor and ranged between 1 and 3 on the Jadad scale.  Two RCTs suggested no effect of spinal manipulations in terms of Headache Index or migraine duration and disability compared with drug therapy, spinal manipulation plus drug therapy, or mobilization.  One RCT showed significant improvements in migraine frequency, intensity, duration and disability associated with migraine compared with detuned interferential therapy.  The most rigorous RCT demonstrated no effect of chiropractic spinal manipulation compared with mobilization or spinal manipulation by medical practitioner or physiotherapist on migraine duration or disability.  The authors concluded that current evidence does not support the use of spinal manipulations for the treatment for migraine headaches.

Khatami et al (2011) stated that cluster headache (CH) manifests with periodic attacks of severe unilateral pain and autonomic symptoms.  Nocturnal attacks may cause severe sleep disruption.  In about 10 % of cases, patients present with a chronic CH (CCH), which is often medically intractable.  Few attempts have been made to improve headache via pharmacological modulation of sleep.  In an open-label study, 4 patients with CCH and disturbed sleep received increasing dosages of sodium oxybate (SO), a compound known to consolidate sleep and to increase slow-wave sleep.  Response to SO was monitored by serial polysomnography, and actimetry, along with pain and sleep diaries.  Sodium oxybate was effective in all 4 patients as shown by an immediate reduction in frequency (up to 90 %) and intensity (greater than 50 %) of nocturnal pain attacks and improved sleep quality.  These effects were long-lasting in 3 patients (mean 19 months, range of 12 to 29 months) and transient (for 8 months) in 1 patient.  Long-lasting improvement of daytime headaches was achieved with a latency of weeks in 2 patients.  Sodium oxybate was safe, with mild-to-moderate adverse effects (e.g., amnesia, dizziness, vomiting, and weight loss).  The authors concluded that SO may represent a new treatment option to reduce nocturnal and diurnal pain attacks and improve sleep quality in CCH.  This study provides Class IV evidence that oral SO at night improves sleep and reduces the intensity and frequency of headaches in patients with CCH.  Drawbacks of this study included; (i) open-label study with small number of subjects (n = 4), (ii) study was not placebo-controlled, (iii) SO did not completely eliminate headaches, and effects on daytime headaches were delayed and less sustained, and (iv) some adverse events needed long-term supervision and symptomatic treatments.  Well-designed studies are needed to confirm the effectiveness of SO in the treatment of CCH.

The updated evidence-based guidelines on "Pharmacologic treatments and NSAIDs and other complementary treatments for episodic migraine prevention in adults" of the Quality Standards Subcommittee of the American Academy of Neurology and the American Headache Society (Silberstein et al, 2012) states that "Data from older studies regarding verapamil and nimodipine are insufficient when current AAN classification criteria are applied .... Evidence is conflicting or inadequate to support or refute the use of nicardipine, nimodipine, or verapamil for migraine prevention".

In a single-blinded, randomized trial, Bell et al (1990) evaluated the relative effectiveness of 3 non-narcotic agents, chloropromazine, lidocaine, and dihydroergotamine, in the treatment of migraine headache in an emergency department setting.  All patients had an isolated diagnosis of common or classic migraine.  Patients were pre-treated with 500 ml intravenous (IV) normal saline before randomization.  Study drugs as administered were dihydroergotamine 1 mg IV repeated after 30 minutes if the initial response was inadequate; lidocaine 50 mg IV at 20-minute intervals to a maximum total dose of 150 mg as required; or chloropromazine 12.5 mg IV repeated at 20-minute intervals to a total maximum dose of 37.5 mg as required.  Patients were asked to grade headache severity on a 10-point scale before and 1 hour after the initiation of therapy.  Follow-up by phone was sought the following day.  Of 76 patients completing the trial, 24 were randomized to receive chloropromazine, 26 to receive dihydroergotamine, and 26 to receive lidocaine.  Reduction in mean headache intensity was significantly better among those treated with chloropromazine (p < 0 .005).  Persistent headache relief was experienced by 16 of the chloropromazine-treated patients (88.9 %) contacted at 12 to 24 hours follow-up compared with 10 of the dihydroergotamine-treated patients (52.6 %) and 5 of the lidocaine-treated group (29.4 %).  The authors concluded that the relative effectiveness of these 3 anti-migraine therapies appears to favor chloropromazine in measures of headache relief, incidence of headache rebound, and patient satisfaction with therapy.

Reutens et al (1991) performed a prospective, randomized, double-blind, placebo-controlled trial of IV lidocaine (1 mg/kg) in the treatment of acute migraine.  A total of 13 subjects were randomly allocated to receive IV lidocaine; while 12 control subjects received IV normal saline.   Subjects scored the intensity of headache and nausea on separate VAS before the injection and at 10 and 20 mins after injection.  At 20 mins, the mean pain intensity score was 80 % of initial intensity in the lidocaine group and 82 % in the placebo group.  The difference was not statistically significant; at 20 mins, the 95 % CI for the difference between the 2 groups in mean percentage of initial pain score was 2 +/- 29 %.  At the dose studied, IV lidocaine has, at best, only a modest effect in acute migraine.

In a double-blind, randomized, controlled trial, Afridi et al (2013) tested the hypothesis that intranasal ketamine would affect migraine with prolonged aura.  These researchers examined the effect of 25-mg intranasal ketamine on migraine with prolonged aura in 30 migraineurs using 2-mg intranasal midazolam as an active control.  Each subject recorded data from 3 episodes of migraine.  A total of 18 subjects completed the study.  Ketamine reduced the severity (p = 0.032) but not duration of aura in this group, whereas midazolam had no effect.  The authors concluded that these data provided translational evidence for the potential importance of glutamatergic mechanisms in migraine aura and offer a pharmacologic parallel between animal experimental work on cortical spreading depression and the clinical problem.  Drawbacks of this study included small number of patients and the design of the study did not exclude an effect of midazolam.  These findings need to be validate by well-designed studies with more patients, higher doses of ketamine and subjects with more migraine attacks.  The authors stated that their study does not endorse the widespread use of ketamine in migraine aura.

Dimitriou et al (2002) evaluated the effectiveness of the blockade of branches of ophthalmic nerve in the management of the acute attack of migraine headache localized to the ocular region.  The study included 70 female patients aged 23 to 60 years who presented to the pain clinic at our hospital with an acute attack of migraine headache localized to the ocular and retro-ocular region.  A targeted history and a neurologic examination were performed in all patients to confirm the diagnosis and at the same time to rule out life-threatening neurological dysfunction.  The method applied was the blockade of the supra-orbital and supra-trochlear nerves which are branches of the ophthalmic nerve.  By the use of a fine short needle 27G the nerves were sought for until paraesthesia is obtained and then 1 ml of lignocaine 2 % with adrenaline 1:200,000 was injected in every 1 of the 3 sites of the nerves.  The migraine acute attack was relieved in 58/70 patients (82 %), while in 12/70 patients (18 %) the results were poor.  The pain relief started 3 to 4 mins after the injection and was completed in 10 to 15 mins.  The authors concluded that these findings supported that the blockade of the branches of the ophthalmic nerve seems to be a safe and effective technique in the management of the acute attack of migraine localized to the ocular and retro-ocular region.  The main drawback of this study was the lack of a control group.  Furthermore, UpToDate reviews on “Acute treatment of migraine in adults” (Bajwa and Sabahat, 2013a) and “Preventive treatment of migraine in adults” (Bajwa and Sabahat, 2013b) do not mention the use of lidocaine injection as a therapeutic option.

In a double-blinded, randomized, sham-controlled trial, Schoenen and colleagues (2013) evaluated the safety and effectiveness of trigeminal neurostimulation with a supraorbital transcutaneous stimulator (Cefaly, STX-Med., Herstal, Belgium) in migraine prevention.  After a 1-month run-in, patients with at least 2 migraine attacks/month were randomized 1:1 to verum or sham stimulation, and applied the stimulator daily for 20 minutes during 3 months.  Primary outcome measures were change in monthly migraine days and 50 % responder rate.  A total of 67 patients were randomized and included in the intention-to-treat analysis.  Between run-in and 3rd month of treatment, the mean number of migraine days decreased significantly in the verum (6.94 versus 4.88; p = 0.023), but not in the sham group (6.54 versus 6.22; p = 0.608).  The 50 % responder rate was significantly greater (p = 0.023) in the verum (38.1 %) than in the sham group (12.1 %).  Monthly migraine attacks (p = 0.044), monthly headache days (p = 0.041), and monthly acute anti-migraine drug intake (p = 0.007) were also significantly reduced in the verum but not in the sham group.  There were no adverse events in either group.  The authors concluded that supraorbital transcutaneous stimulation with the device used in this trial is effective and safe as a preventive therapy for migraine.  The therapeutic gain (26 %) is within the range of those reported for other preventive drug and non-drug anti-migraine treatments.  Drawbacks of this study included (i) partial unblinding may have occurred in this trial, and (ii) patients in the verum group were on average younger than those in the sham group and the duration of their migraine was somewhat shorter, and (iii) it is unclear whether supraorbital transcutaneous stimulation is effective in patients with more frequent attacks or with chronic migraines, and (iv) compliance di not exceed 62 %.

In an editorial that accompanied the afore-mentioned study, Asano and Goadsby (2013) “new therapies are needed in migraines, and further studies of neurostimulation using innovative study designes are warranted to explore the optimum way to create an acceptable evidence base for widespread use of this potentially valuable treatment modality”.

Reed et al (2010) developed a novel approach to the treatment of chronic migraine (CM) headaches based on neurostimulation of both occipital and supraorbital.  Following positive trials, a total of 7 patients with CM and refractory CM headaches had permanent combined occipital nerve-supraorbital nerve neurostimulation systems implanted.  The relative responses to 2 stimulation programs were evaluated: (i) one that stimulated only the occipital leads and (ii) one that stimulated both the occipital and supraorbital leads together.  With follow-up ranging from 1 to 35 months, all patients reported a full therapeutic response but only to combined supraorbital-occipital neurostimulation.  Occipital nerve stimulation alone provided a markedly inferior and inadequate response.  Combined occipital nerve-supraorbital nerve neurostimulation systems may provide effective treatment for patients with CM and refractory CM headaches.  For patients with CM headaches the response to combined systems appears to be substantially better than occipital nerve stimulation alone.  The authors stated that further studies are needed.

Saper et al (2011) noted that medically intractable CM is a disabling illness characterized by headache greater than or equal to 15 days per month.  A multi-center, randomized, blinded, controlled feasibility study was conducted to obtain preliminary safety and efficacy data on occipital nerve stimulation (ONS) in CM.  Eligible subjects received an occipital nerve block, and responders were randomized to adjustable stimulation (AS), preset stimulation (PS) or medical management (MM) groups.  Seventy-five of 110 subjects were assigned to a treatment group; complete diary data were available for 66.  A responder was defined as a subject who achieved a 50 % or greater reduction in number of headache days per month or a 3-point or greater reduction in average overall pain intensity compared with baseline.  Three-month responder rates were 39 % for AS, 6 % for PS and 0 % for MM.  No unanticipated adverse device events occurred.  Lead migration occurred in 12 of 51 (24 %) subjects.  The authors concluded that the results of this feasibility study offer promise and should prompt further controlled studies of ONS in CM.

Silberstein et al (2012) stated that CM is a debilitating neurological disorder with few treatment options.  Peripheral nerve stimulation (PNS) of the occipital nerves is a potentially promising therapy for CM patients.  In this randomized, controlled, multi-center study, patients diagnosed with CM were implanted with a neurostimulation device near the occipital nerves and randomized 2:1 to active (n = 105) or sham (n = 52) stimulation.  The primary endpoint was a difference in the percentage of responders (defined as patients that achieved a greater than or equal to 50 % reduction in mean daily visual analog scale scores) in each group at 12 weeks.  There was not a significant difference in the percentage of responders in the Active compared with the Control group (95 % lower confidence bound (LCB) of -0.06; p = 0.55).  However, there was a significant difference in the percentage of patients that achieved a 30 % reduction (p = 0.01).  Importantly, compared with sham-treated patients, there were also significant differences in reduction of number of headache days (Active Group = 6.1, baseline = 22.4; Control Group = 3.0, baseline = 20.1; p = 0.008), migraine-related disability (p = 0.001) and direct reports of pain relief (p = 0.001).  The most common adverse event was persistent implant site pain.  The authors concluded that although this study failed to meet its primary endpoint, this is the first large-scale study of PNS of the occipital nerves in CM patients that showed significant reductions in pain, headache days, and migraine-related disability.  They stated that additional controlled studies using endpoints that have recently been identified and accepted as clinically meaningful are warranted in this highly disabled patient population with a large unmet medical need.

Lambru and Matharu (2012) stated that chronic daily headache is a major worldwide health problem that affects 3 to 5 % of the population and results in substantial disability.  Advances in the management of headache disorders have meant that a substantial proportion of patients can be effectively treated with medical treatments.  However, a significant minority of these patients are intractable to conventional medical treatments.  Occipital nerve stimulation is emerging as a promising treatment for patients with medically intractable, highly disabling chronic headache disorders, including migraine, cluster headache and other less common headache syndromes.  Open-label studies have suggested that this treatment modality is effective and recent controlled trial data are also encouraging.  The procedure is performed using several technical variations that have been reviewed along with the complications, which are usually minor and tolerable.  The mechanism of action is poorly understood, though recent data suggest that ONS could restore the balance within the impaired central pain system through slow neuromodulatory processes in the pain neuromatrix.  While the available data are very encouraging, the ultimate confirmation of the utility of a new therapeutic modality should come from controlled trials before widespread use can be advocated; more controlled data are still needed to properly assess the role of ONS in the management of medically intractable headache disorders.  The authors noted that future studies also need to address the variables that are predictors of response, including clinical phenotypes, surgical techniques and stimulation parameters.  Finally, the mode of action of ONS is poorly understood and further studies are required to elucidate the underlying mechanisms by which the anti-nociceptive effect is exerted.

The International Association for the Study of Pain's review on "Neuromodulation in Primary Headaches" (2012) states that "After an initial focus on hypothalamic DBS, the less invasive technique of ONS is now widely considered the neuromodulatory approach of first choice in many primary headache disorders.  Despite their increasing popularity, most approaches lack methodologically sound randomized multicenter studies using an appropriate sham paradigm.  Especially in ONS, blinding remains an unresolved issue because effective stimulation induces paresthesias, unlike in hypothalamic DBS.  SPG stimulation represents an emerging alternative in the acute and possibly prophylactic treatment of chronic cluster headache.  The efficacy of various devices for transcutaneous peripheral nerve stimulation (such as the vagal and supraorbital nerves) and their role relative to implantable devices will have to be evaluated in future studies".  http://www.iasp-pain.org/AM/AMTemplate.cfm?Section=HOME&SECTION=HOME&CONTENTID=16182&TEMPLATE=/CM/ContentDisplay.cfm

Also, a clinical trial on "Occipital Nerve Stimulation in Medically Intractable Chronic Cluster Headache" is currently recruiting subjects. http://clinicaltrials.gov/ct2/show/NCT01151631

 
CPT Codes / HCPCS Codes / ICD-9 Codes
CPT codes not covered for indications listed in the CPB:
64400 Injection, anesthetic agent; trigeminal nerve, any division or branch[supraorbital and supratrochlear nerves]
64550 Application of surface (transcutaneous) neurostimulator
83516 Immunoassay for analyte other than infectious agent antibody or infectious agent antigen, qualitative or semiquantitative; multiple step method
83520 Immunoassay for analyte other than infectious agent antibody or infectious agent antigen, quantitative; not otherwise specified
HCPCS codes covered if selection criteria are met:
J1110 Injection, dihydroergotamine mesylate, per 1 mg
HCPCS codes not covered for indications listed in the CPB:
J2001 Injection lidocaine HCL for intravenous infusion, 10 mg
HCPCS codes not covered for indications listed in the CPB:
There is no specific code for sodium oxybate:
ICD-9 codes covered if selection criteria are met:
339.00 - 339.02 Cluster headaches
346.01, 346.03, 346.11, 364.13, 346.21, 346.23, 346.31, 346.33, 346.41, 346.43, 346.51, 346.53, 346.61, 346.63, 346.71, 346.73, 346.81, 346.83, 346.91, 346.93 Migraine, with intractable migraine, so stated
Other ICD-9 codes related to the CPB:
346.20 - 346.21 Variants of migraine
346.80 - 346.81 Other forms of migraine
401.0 - 405.99 Hypertensive disease
411.1 Intermediate coronary syndrome
413.1 Prinzmetal angina
440.0 - 440.9 Atherosclerosis
443.0 - 443.9 Other peripheral vascular disease
570 - 573.9 Diseases of the liver
580.0 - 588.9 Diseases of the kidney
630 - 677 Complications of pregnancy, childbirth, and the puerperium
995.90 - 995.94 Systemic inflammatory response syndrome (SIRS)
V12.50 - V12.59 Personal history of diseases of the circulatory system
V14.8 Personal history of allergy to other specified medicinal agents
V22.0 - V23.9 Supervision of pregnancy
V24.1 Postpartum care and examination, lactating mother
V58.69 Long-term (current) use of other medications


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Copyright Aetna Inc. All rights reserved. Clinical Policy Bulletins are developed by Aetna to assist in administering plan benefits and constitute neither offers of coverage nor medical advice. This Clinical Policy Bulletin contains only a partial, general description of plan or program benefits and does not constitute a contract. Aetna does not provide health care services and, therefore, cannot guarantee any results or outcomes. Participating providers are independent contractors in private practice and are neither employees nor agents of Aetna or its affiliates. Treating providers are solely responsible for medical advice and treatment of members. This Clinical Policy Bulletin may be updated and therefore is subject to change.
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