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Table 8 Approved products (N = 44) for designated intractable diseases

From: Clinical data required for the approval of pediatric pharmaceuticals in Japan

Generic name

Indication

Designated intractable disease number

Administrative category

Risdiplam

Spinal muscular atrophy

3

Orphan drug

Nusinersen sodium

Spinal muscular atrophy without manifestation but onset predicted by genetic testing

3

Orphan drug

Eculizumab

(genetic recombinant)

Generalized myasthenia gravis (only for patients with symptoms not controlled by high-dose intravenous immunoglobulin therapy or plasmapheresis)

11

Orphan drug

Satralizumab

(genetic recombinant)

Prevention of relapse of neuromyelitis optica spectrum disorders (including neuromyelitis optica)

13

Orphan drug

Cerliponase alfa

(genetic recombinant)

Ceroid lipofuscinosis type II

19

Orphan drug

Idursulfase beta

(genetic recombinant)

Mucopolysaccharidosis type II

19

Orphan drug

Pabinafusp alfa

(genetic recombinant)

Mucopolysaccharidosis type II

19

Orphan drug

Pioneer drug designation system Sakigake

Avalglucosidase alfa

(genetic recombinant)

Pompe disease

19

Orphan drug

Vestronidase alfa

(genetic recombinant)

Mucopolysaccharidosis type VII

19

Orphan drug

Pre-reviewed in “Review Meeting of Unapproved Drugs and Off-Label Drugs with High Medical Needs”

Olipudase alfa

(genetic recombinant)

Acid sphingomyelinase deficiency

19

Orphan drug

Pioneer drug designation system Sakigake

Migarastat hydrochloride

Fabry disease with GLA variant responsive to migarastat

19

Orphan drug

Selumetinib sulfate

Plexiform neurofibroma in neurofibromatosis type 1

34

Orphan drug

Secukinumab

(genetic recombinant)

Psoriasis vulgaris, psoriatic arthritis, and pustular psoriasis (generalized)

37

None

Belimumab

(genetic recombinant)

Systemic lupus erythematosus inadequately responsive to existing treatments

49

None

Rituximab

(genetic recombinant)

Lupus nephritis inadequately responsive to conventional treatment

49

Public knowledge-based application after pre-evaluation

Anti-human thymocyte immunoglobulin, equine

Moderate-to-severe aplastic anemia

60

Orphan drug

Pre-reviewed in “Review Meeting of Unapproved Drugs and Off-Label Drugs with High Medical Needs”

Eltrombopag olamine

Aplastic anemia

60

Orphan drug

Caplacizumab

(genetic recombinant)

Acquired thrombotic thrombocytopenic purpura

63

Orphan drug

Defibrotide sodium

Hepatic sinusoidal obstruction syndrome (central veno-occlusive disease of the liver)

65

Orphan drug

Pre-reviewed in “Review Meeting of Unapproved Drugs and Off-Label Drugs with High Medical Needs”

pH4-treated normal human immunoglobulin

Agammaglobulinemia or hypogammaglobulinemia

65

None

Berotralstat hydrochloride

Acute attacks of hereditary angioedema

65

Orphan drug

Pioneer drug designation system Sakigake

Lanadelumab

(genetic recombinant)

Acute attacks of hereditary angioedema

65

Orphan drug

Icatibant acetate

Acute attack of hereditary angioedema

65

Orphan drug

Human C1-inactivator

Acute attacks of hereditary angioedema

65

Orphan drug

Human normal immunoglobulina

Agammaglobulinemia or hypogammaglobulinemia

65

None

Human normal immunoglobulinb

Agammaglobulinemia or hypogammaglobulinemia

65

None

Evinacumab

(genetic recombinant)

Homozygous familial hypercholesterolemia

79

Orphan drug

Ambrisentan

Pulmonary arterial hypertension

86

Orphan drug

dalimumab

(genetic recombinant)

Moderate or severe ulcerative colitis

97

None

Ravulizumab

(genetic recombinant)

Atypical hemolytic uremic syndrome

109

None

Viltolarsen

Duchenne muscular dystrophy with confirmed deletion of the dystrophin gene that can be treated by exon 53 skipping

113

Orphan drug

Pioneer drug designation system Sakigake

Conditional early approval system

Fenfluramine hydrochloride

Concomitant therapy with antiepileptic drugs for epileptic seizures in patients with Dravet syndrome who do not respond adequately to other antiepileptic drugs

140

Orphan drug

Everolimus

Tuberous sclerosis

158

Orphan drug

Somatropin

(genetic recombinant)

Body composition abnormalities in Prader-Willi syndrome

193

Orphan drug

Levothyroxine sodium hydrate

Myxedema coma

Hypothyroidism (only if treatment with oral levothyroxine sodium is not appropriate)

235

Pre-reviewed in “Review Meeting of Unapproved Drugs and Off-Label Drugs with High Medical Needs”

Burosumab

(genetic recombinant)

FGF23-related hypophosphatemic rickets and osteomalacia

238

Orphan drug

Givosiran sodium

Acute hepatic porphyria

254

Orphan drug

Vosoritide

(genetic recombinant)

Achondroplasia without epiphyseal closure

276

Orphan drug

Sirolimus

Refractory lymphatic diseases (lymphangioma, lymphangiomatosis, Goham’s disease, lymphangiectasia)

277

Orphan drug

Albutrepenonacog alfa

(genetic recombinant)

Inhibition of bleeding tendency in patients with blood coagulation factor IX deficiency

288

None

Simoctocog alfa

(genetic recombinant)

Inhibition of bleeding tendency in patients with blood coagulation factor VIII deficiency

288

None

Concizumab

(genetic recombinant)

Inhibition of bleeding tendency in congenital hemophilia patients with inhibitors of coagulation factors VIII or IX

288

Orphan drug

Efanesoctocog alfa

(genetic recombinant)

Inhibition of bleeding tendency in patients with blood coagulation factor VIII deficiency

288

None

Lonafarnib

Hutchinson-Gilford-Progeria syndrome and processing-deficient progeroid laminopathy

333

Orphan drug

  1. aApproval for Hizentra subcutaneous injection on June 26, 2023
  2. bApproval for Cuvitru subcutaneous injection on September 25, 2023