Expensive drugs for rare diseases (EDRDs) are drugs that treat rare diseases with a very high per-patient cost. EDRDs are considered non-benefits, but some drugs and patients may be eligible for coverage on a last-resort basis.
EDRDs are generally associated with limited clinical information about both the disease and treatment. Because of this, therapies must be carefully reviewed to ensure that the medication is effective for each person being treated. Manufacturers have set the costs for many EDRDs very high. The costs for these drugs range from $100,000 to more than $3,000,000 per patient per year. By comparison, in 2022/2023, the average PharmaCare beneficiary was reimbursed $1,657 for the year (see PharmaCare Trends 2022/2023 (PDF, 1.1MB).
Before an EDRD can be considered for exceptional funding, it must undergo the same thorough review as other PharmaCare drugs (visit How PharmaCare decides which drugs to cover), but with an additional EDRD patient review process (see below).
The B.C.-level review ensures that the PharmaCare program remains fair, effective and sustainable. At the end of the review, the Ministry decides which eligible drugs and indications are to be considered for funding.
Physicians may apply on behalf of their patients for coverage.
EDRD patient review
Due to the complexity of many rare diseases and their treatments, the Ministry has an EDRD patient review process for exceptional requests, which includes advice from an arm’s‑length independent advisory committee and several clinical subcommittees. The EDRD patient review is administered by the Provincial Health Services Authority (PHSA).
Each physician request is reviewed by an appropriate disease-specific clinical subcommittee and the EDRD advisory committee. Clinical subcommittees are comprised of members with clinical experience with rare diseases and are responsible for making a recommendation to approve or deny the request. The advisory committee also includes clinical experts, as well as members with expertise in ethics, economics, and pharmaceuticals to provide a final recommendation to the Ministry. The Ministry is responsible for the final funding approval.
The process:
Patient eligibility and access
If you are a physician who would like to request an EDRD therapy for your patient, please email psp@phsa.ca with the name of the drug requested and the indication for use. Someone from PHSA will respond within 5 business days.
Please note that requests are reviewed by a clinical subcommittee and advisory committee (as detailed above) and the processing time may vary.
EDRDs considered for exceptional funding
Brand | Generic | Condition | Approximate annual cost per patienta,b,c,d,e,f,g (based on publicly available list prices rounded to the nearest $1,000) |
---|---|---|---|
Aldurazyme | laronidase | mucopolysaccharidosis I (MPS1) | $761,000 |
Brineura | cerliponase alfa | neuronal ceroid lipofuscinosis type 2 (Batten disease) | $844,000 |
Crysvita | burosumab | X-linked hypophosphatemia (XLH) | $454,000 |
Dojolvi | triheptanoin | long-chain fatty acid oxidation disorders | $293,000f |
Elaprase | idursulfase | mucopolysaccharidosis 2 (MPS2) | $1,315,000 |
Empaveli | pegcetacoplan | paroxysmal nocturnal hemoglobinuria (PNH) | $517,000 |
Evrysdi | risdiplam | spinal muscular atrophy | $354,000 |
Fabrazyme | agalsidase beta | Fabry disease | $291,000 |
Galafold | migalastat | Fabry disease | $310,000 |
Givlaari | givosiran | acute hepatic porphyria | $773,000g |
Ilaris | canakinumab | cryopyrin-associated periodic syndrome (CAPS) | $416,000 |
Increlex | mecasermin | severe primary insulin-like growth factor-1 deficiency (SPIGFD) | $456,000e |
Kalydeco | ivacaftor | specific cystic fibrosis mutations | $307,000 |
Kanuma | sebelipase alfa | lysosomal acid lipase deficiency | $889,000 |
Luxturna | voretigene neparvovec | inherited retinal dystrophy | $1,032,000 for both eyesd |
Myozyme | alglucosidase alfa | Pompe disease | $612,000 |
Naglazyme | galsulfase | mucopolysaccharidosis VI (MPS6) | $1,117,000 |
Onpattro | patisiran | hereditary transthyretin-mediated amyloidosis (hATTR) | $677,000 |
Orladeyo | berotralstat | hereditary angioedema | $310,000 |
Oxlumo | lumasiran | primary hyperoxaluria type 1 | $387,000 to $581,000 for children
$1,162,000 to $1,743,000 for adults |
Procysbi | cysteamine | nephropathic cystinosis | $322,000 |
Replagal | agalsidase alfa | Fabry disease | $239,000 |
Soliris | eculizumab | atypical hemolytic uremic syndrome (aHUS)
paroxysmal nocturnal hemoglobinuria (PNH) |
Initial: $728,000 Ongoing: $701,000 Initial: $539,000 Ongoing: $526,000 |
Spinraza | nusinersen | spinal muscular atrophy | Initial: $708,000 Ongoing: $354,000 |
Strensiq | asfotase alfa | hypophosphatasia | $2,546,000 |
Takhzyro | lanadelumab | hereditary angioedema | $400,000 |
Trikafta | elexacaftor/tezacaftor/ ivacaftor and ivacaftor |
specific cystic fibrosis mutations | $307,000 |
Vimizim | elosulfase alfa | mucopolysaccharidosis IVA (Morquio A syndrome) | N/A |
VPRIV | velaglucerase alfa | Gaucher disease | $559,000 |
Vyndaqel Vyndamax |
tafamidis | transthyretin-mediated amyloidosis (cardiomyopathy) | $195,000 |
Zavesca | miglustat | Niemann-Pick disease type C (NPC1) | $119,000 |
Zolgensma | onasemnogene abeparvovec |
spinal muscular atrophy | $2,911,000d |
Notes:
EDRD maximum days' supply
Coverage for EDRDs is limited to prescription dispenses of:
You must have 14 days or less of medications remaining from a previous fill when requesting a prescription refill.
Exemptions
Exemptions to the 30-day maximum supply are available if you:
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