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Medications for Molybdenum Cofactor Deficiency Type A

Other names: MoCD Type A

Molybdenum cofactor deficiency (MoCD) type A is an ultra-rare, autosomal recessive, inborn error of metabolism caused by disruption in molybdenum cofactor (MoCo) synthesis.

MoCD type A is caused by mutations in the molybdenum cofactor synthesis 1 gene (MOCS1). The deficiency in molybdenum cofactor (MoCo) production leads to the lack of molybdenum-dependent enzyme activity resulting in decreased sulfite oxidase activity and buildup of sulfite and secondary metabolites (such as S-sulfocysteine (SSC)) in the brain. This causes irreversible neurological damage.

MoCD Type A presents shortly after birth, often with severe encephalopathy and intractable seizures. Neurological damage leads to severe psychomotor impairment and an inability to make coordinated movements.

Nulibry (fosdenopterin) is the first approved therapy to reduce the risk of mortality in patients with MoCD Type A. It works as a substrate replacement therapy that provides an exogenous source of cyclic pyranopterin monophosphate (cPMP), which is converted to molybdopterin. Molybdopterin is then converted to molybdenum cofactor, which is needed for the activation of molybdenum-dependent enzymes, including sulfite oxidase.

Drugs used to treat Molybdenum Cofactor Deficiency Type A

The following list of medications are in some way related to or used in the treatment of this condition.

Drug name Rating Reviews Activity ? Rx/OTC Pregnancy CSA Alcohol
fosdenopterin Rate Add review
Rx N

Generic name: fosdenopterin systemic

Brand name:  Nulibry

Drug class: miscellaneous metabolic agents

For consumers: dosage, interactions, side effects

For professionals: AHFS DI Monograph

Nulibry Rate Add review
Rx N

Generic name: fosdenopterin systemic

Drug class: miscellaneous metabolic agents

For consumers: dosage, interactions, side effects

For professionals: Prescribing Information

Legend

Rating For ratings, users were asked how effective they found the medicine while considering positive/adverse effects and ease of use (1 = not effective, 10 = most effective).
Activity Activity is based on recent site visitor activity relative to other medications in the list.
Rx Prescription only.
OTC Over-the-counter.
Rx/OTC Prescription or Over-the-counter.
Off-label This medication may not be approved by the FDA for the treatment of this condition.
EUA An Emergency Use Authorization (EUA) allows the FDA to authorize unapproved medical products or unapproved uses of approved medical products to be used in a declared public health emergency when there are no adequate, approved, and available alternatives.
Pregnancy Category
A Adequate and well-controlled studies have failed to demonstrate a risk to the fetus in the first trimester of pregnancy (and there is no evidence of risk in later trimesters).
B Animal reproduction studies have failed to demonstrate a risk to the fetus and there are no adequate and well-controlled studies in pregnant women.
C Animal reproduction studies have shown an adverse effect on the fetus and there are no adequate and well-controlled studies in humans, but potential benefits may warrant use in pregnant women despite potential risks.
D There is positive evidence of human fetal risk based on adverse reaction data from investigational or marketing experience or studies in humans, but potential benefits may warrant use in pregnant women despite potential risks.
X Studies in animals or humans have demonstrated fetal abnormalities and/or there is positive evidence of human fetal risk based on adverse reaction data from investigational or marketing experience, and the risks involved in use in pregnant women clearly outweigh potential benefits.
N FDA has not classified the drug.
Controlled Substances Act (CSA) Schedule
M The drug has multiple schedules. The schedule may depend on the exact dosage form or strength of the medication.
U CSA Schedule is unknown.
N Is not subject to the Controlled Substances Act.
1 Has a high potential for abuse. Has no currently accepted medical use in treatment in the United States. There is a lack of accepted safety for use under medical supervision.
2 Has a high potential for abuse. Has a currently accepted medical use in treatment in the United States or a currently accepted medical use with severe restrictions. Abuse may lead to severe psychological or physical dependence.
3 Has a potential for abuse less than those in schedules 1 and 2. Has a currently accepted medical use in treatment in the United States. Abuse may lead to moderate or low physical dependence or high psychological dependence.
4 Has a low potential for abuse relative to those in schedule 3. It has a currently accepted medical use in treatment in the United States. Abuse may lead to limited physical dependence or psychological dependence relative to those in schedule 3.
5 Has a low potential for abuse relative to those in schedule 4. Has a currently accepted medical use in treatment in the United States. Abuse may lead to limited physical dependence or psychological dependence relative to those in schedule 4.
Alcohol
X Interacts with Alcohol.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.