The comparators presented in the following table have been deemed to be appropriate based on feedback from clinical expert(s). Comparators may be recommended (appropriate) practice or actual practice. Existing Product Listing Agreements are not reflected in the table and, as such, the table may not represent the actual costs to public drug plans.
Table 8CADTH Cost Comparison Table for Treatment-Resistant Major Depressive Disorder
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| Drug/comparator | Strength (mg) | Dosage form | Price ($) | Recommended dose (mg) | Average weekly drug cost ($) | Average annual drug cost ($) |
|---|
| Esketamine (Spravato) | 28 | Intranasal spray | 273.0000a | Week 1 to week 4: 2 sessions per week; day 1: 56; subsequent days: 56 or 84 Week 5 to week 8: 56 or 84 once weekly Weeks ≥ 9: 56 or 84 every 2 weeks or once weekly | Week 1: 1,092 to 1,365 Weeks 2 to 4: 1,092 to 1,638 Weeks 5 to 8: 546 to 819 Weeks ≥ 9: 273 to 819 | Year 1: 18,564 to 45,591 ≥ 2 Years: 14,196 to 42,588 |
| NMDA receptor antagonist |
|---|
| Ketamine (generic) | 10 mg/mL 50 mg/mL | Vial | 1.6454b 5.1975b | 0.5 mg/kg intravenously infused for 40 minutes 1 to 3 times weeklyc | 5.20 to 15.59c | 270 to 811c |
| SNRIs |
|---|
| Desvenlafaxine (generic) | 50 100 | ER tablet | 2.3409 2.3409 | 50 to 100 daily | 16.39 | 854 |
| Duloxetine (generic) | 30 60 | DR capsule | 0.4814 0.9769 | 60 daily | 6.84 | 357 |
| Venlafaxine (generic) | 37.5 75 150 | ER capsule | 0.0913 0.1825 0.1927 | 75 to 225 daily | 1.28 to 2.63 | 67 to 137 |
| SSRIs |
|---|
| Citalopram (generic)d | 20 40 | Tablet | 0.1332 | 20 to 60 daily | 0.93 to 1.86 | 49 to 146 |
| Escitalopram (generic) | 10 20 | OD tablet | 1.3199 1.4052 | 10 to 20 daily | 9.24 to 9.84 | 482 to 513 |
10 20 | Tablet | 0.3109 0.3310 | 2.18 to 2.32 | 114 to 121 |
| Fluoxetine (generic) | 10 20 | Capsule | 0.3404e 0.3311 | 20 to 60 daily | 2.32 to 2.98 | 121 to 363 |
| Fluvoxamine (generic)d | 50 100 | Tablet | 0.2105 0.3783 | 100 to 300 dailyf | 2.65 to 7.94 | 138 to 430 |
| Paroxetine (generic) | 20 30 | Tablet | 0.3250 0.3453 | 20 to 50 daily | 2.28 to 4.69 | 119 to 245 |
| Sertraline (generic)d | 25 50 100 | Capsule | 0.1516 0.3032 0.3303 | 50 to 200 daily | 2.12 to 4.62 | 111 to 241 |
| Vortioxetine (Trintellix) | 5 10 20 | Tablet | 2.8148 2.9484 3.2011 | 10 to 20 daily | 20.64 to 22.41 | 1,077 to 1,169 |
| Norepinephrine -dopamine reuptake inhibitor |
|---|
| Bupropion (generic) | 100 150 | SR capsule | 0.1547 0.2298 | 100 to 150 daily | 1.08 to 1.61 | 57 to 84 |
150 300 | ER capsule | 0.1463 0.2927 | 150 to 300 daily | 1.02 to 2.05 | 53 to 107 |
| Alpha-2 adrenergic agonist |
|---|
| Mirtazapine (generic)d | 15 30 45 | OD tablet | 0.0975 0.1950 0.2925 | 15 to 45 daily | 0.68 to 2.05 | 36 to 107 |
15 30 45 | Tablet | 0.0975g 0.3100 0.2925g |
DR = delayed release; ER = extended release; NMDA = N-methyl-D-aspartate; OD = orally disintegrating; SNRI = serotonin-norepinephrine reuptake inhibitor; SR = sustained release; SSRI = selective serotonin reuptake inhibitor.
Note: All prices are from the Ontario Drug Benefit Formulary (accessed February 2020) unless otherwise indicated and do not include dispensing fees.11 Annual costs are based on 365 days per year.
- a
- b
BC PharmaCare Formulary (February 2020). Prices for 10 mg/mL vials ($1.7770) and 50 mg/mL vials ($5.6133) were reduced based on the 8% markup for non-high drugs (daily cost less than $40.00).28
- c
Dosing based on the mean baseline patient weight of 81.61 kg from the SUSTAIN-1 study and dose frequency based on clinical expert feedback. The current dosing is reflective of treatment in the acute phase, with reductions in dose (once weekly or once every 2 weeks) as part of maintenance.
- d
Indicated for “depressive illness.”
- e
Alberta Formulary (February 2020).29
- f
According to the fluvoxamine product monograph, dosages above 150 mg should be divided so a maximum of 150 mg is given as the bedtime dose.30
- g
Saskatchewan Formulary (February 2020).31
Table 9CADTH Cost Comparison Table for Treatment-Resistant Major Depressive Disorder – Second-Line or Third-Line Treatment
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| Drug/comparator | Strength (mg) | Dosage form | Price ($) | Recommended dose (mg) | Average weekly drug cost ($) | Average annual drug cost ($) |
|---|
| SNRIs (second line) |
|---|
| Levomilnacipran (Fetzima) | 20 40 80 120 | ER capsule | 3.7007a 3.8400a 4.0947a 4.3720a | 40 to 120 daily | 26.88 to 30.60 | 1,401 to 1,596 |
| Serotonin reuptake inhibitors (second line) |
|---|
| Trazodone (generic)b | 50 100 150 | Tablet | 0.0554 0.0989 0.1453 | 150 to 300 daily | 1.02 to 2.03 | 61 to 106 |
| Vilazodone (Viibryd) | 10 20 40 | FC tab IR tab IR tab | 3.1257a 3.1257a 4.1603a | 20 to 40 daily | 21.88 to 29.12 | 1,141 to 1,519 |
| Reversible MAO-A inhibitor (second line) |
|---|
| Moclobemide (generic)b | 100 150 300 | Tablet | 0.3400 0.5295 1.0399 | 300 to 600 daily | 7.28 to 14.56 | 380 to 760 |
| Tricyclic antidepressants (second line) |
|---|
| Amitriptyline (generic)b | 10 25 50 75 | Tablet | 0.0435 0.0829 0.1540 0.3634c | 75 to 150 daily | 2.54 to 3.23 | 91 to 169 |
| Clomipramine (generic)b | 10 25 50 | Tablet | 0.2949 0.4020 0.7401 | 25 to 200 daily | 2.81 to 20.72 | 147 to 1,081 |
| Desipramine (generic)b | 10 25 50 75 100 | Tablet | 0.4056d 0.3880 0.6838 0.9093 0.9507d | 100 to 300 daily | 6.65 to 19.96 | 347 to 1,042 |
| Doxepin (generic)b | 10 25 50 75 100 | Capsule | 0.2397 0.2940 0.5455 0.8066 1.3438 | 100 to 150 daily | 7.64 to 11.29 | 398 to 589 |
| Imipramine (generic)b | 10 25 50 75 | Tablet | 0.1397 0.2573 0.5021 0.6727c | 25 to 200 daily | 1.80 to 12.93 | 94 to 674 |
| Nortriptyline (Aventyl)b | 10 25 | Capsule | 0.2570 0.5193 | 75 to 100 daily | 10.91 to 14.54 | 569 to 759 |
| Trimipramine (generic)b | 12.5 25 50 75 100 | Tablet Tablet Tablet Capsule Tablet | 0.2156 0.2960 0.5795 0.7800 0.9889 | 150 to 300 daily | 10.98 to 20.77 | 572 to 1,083 |
| Irreversible MAO inhibitor (third line) |
|---|
| Phenelzine (Nardil) | 15 | Tablet | 0.4667 | 45 to 90 daily | 9.80 to 19.60 | 511 to 1,023 |
| Tranylcypromine (Parnate)b | 10 | Tablet | 0.4055 | 20 to 60 daily | 5.68 to 17.03 | 296 to 889 |
ER = extended release; FC = film coated; IR = immediate release; MOA = monoamine oxidase; SNRI = serotonin-norepinephrine reuptake inhibitor.
Note: All prices are from the Ontario Drug Benefit Formulary (accessed February 2020) unless otherwise indicated and do not include dispensing fees.11 Annual costs are based on 365 days per year.
- a
National wholesale price from Delta PA (accessed February 2020).32
- b
Indicated for “depressive illness.”
- c
Alberta Formulary (accessed February 2020).29
- d
Saskatchewan Formulary (accessed February 2020).31
Table 10CADTH Cost Comparison Table for Treatment-Resistant Major Depressive Disorder – Adjunctive Treatment
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| Drug/comparator | Strength (mg) | Dosage form | Price ($) | Recommended dose (mg) | Average weekly drug cost ($) | Average annual drug cost ($) |
|---|
| First line |
|---|
| Aripiprazole (generic) | 2 5 10 15 20 30 | Tablet | 0.8092 0.9046 1.0754 1.2692 1.0017 1.0017 | 2 to 15 daily | 5.66 to 8.88 | 296 to 464 |
| Quetiapine (generic)a | 50 150 200 300 400 | IR tablet | 0.2501 0.4926 0.6661 0.9776 1.3270 | 150 to 300 daily | 3.45 to 6.84 | 180 to 357 |
| Risperidone (generic)a | 0.25 0.5 1 2 3 4 | Tablet | 0.1036 0.1735 0.2397 0.4795 0.7180 0.9574 | 1 to 3 daily | 1.68 to 5.03 | 87 to 262 |
| Second line |
|---|
| Bupropion (generic) | 100 150 | SR capsule | 0.1547 0.2298 | 100 to 150 daily | 1.08 to 1.61 | 57 to 84 |
150 300 | ER capsule | 0.1463 0.2927 | 150 to 300 daily | 1.02 to 2.05 | 53 to 107 |
| Liothyronine (Cytomel)a | 5 mcg 25 mcg | Tablet | 1.3632b 1.4818b | 25 mcg to 50 mcg daily | 10.37 to 20.75 | 541 to 1,082 |
| Lithium carbonate (generic)a | 150 300 | Capsule | 0.0667 0.0657 | 600 to 1,200 daily | 0.92 to 1.84 | 48 to 96 |
| Mirtazapine (generic)a | 15 30 45 | OD tablet | 0.0975 0.1950 0.2925 | 15 to 45 daily | 0.68 to 2.05 | 36 to 107 |
15 30 45 | Tablet | 0.0975c 0.3100 0.2925c |
| Modafinil (generic)a | 100 | Tablet | 0.9293 | 100 to 400 daily | 6.51 to 26.02 | 339 to 1,357 |
| Olanzapine (generic)a | 2.5 5 7.5 10 15 | Tablet | 0.1772 0.3544 0.5316 0.7088 1.0631 | 2.5 to 10 | 1.24 to 4.96 | 65 to 259 |
5 10 15 | OD tablet | 0.3574 0.7143 1.0711 | 5.00 | 261 |
| Third line (psychostimulants) |
|---|
| Methylphenidate (generic) | 18 27 36 54 | IR tablet | 0.5246 0.6055 0.6863 0.8479 | 18 to 54 dailyd | 3.67 to 5.94 | 191 to 309 |
CANMAT = Canadian Network for Mood and Anxiety Treatments; ER = extended release; IR = immediate release; OD = orally disintegrating; SR = sustained release.
Note: All prices are from the Ontario Drug Benefit Formulary (accessed February 2020) unless otherwise indicated and do not include dispensing fees.11 Annual costs are based on 365 days per year. Comparators were based on atypical antipsychotic drugs recommended as adjunctive agents for nonresponse or partial response to an antidepressant as listed in the CANMAT 2016 Guidelines.8
- a
Dosing from the CANMAT 2016 Guidelines.8
- b
Alberta Formulary (accessed February 2020).29
- c
Saskatchewan Formulary (accessed February 2020).31
- d
Dosing obtained from the study by Ravindran et al. (accessed 2008).33