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Dosage GuideResearch Reference

Corticotropin Dosage

Research-based dosing protocols, timing guidance, and reconstitution reference for Corticotropin. All information is for educational purposes only.

Quick Answer

Corticotropin (ACTH) dosage varies widely based on the indication, patient age, and disease severity. H.P. Acthar Gel is typically administered intramuscularly or subcutaneously. Dosage ranges from 40-160 units per day for initial treatment of conditions like infantile spasms, and may be tapered down for maintenance therapy. Due to inter-patient variability in response and the complex mechanism of action, dosing is often individualized and monitored closely by a physician.

→ Corticotropin Benefits→ Corticotropin Side Effects→ Full Corticotropin Profile
Table of Contents

Standard Dosage Range

Research dosing range: 40-160 units daily, tapered down for maintenance

Educational reference only

These dosage ranges are derived from preclinical research and community protocols. No human clinical dose-ranging trials have established therapeutic doses for most research peptides. Always consult a qualified healthcare provider before starting any peptide protocol.

Dosage by Use Case

Infantile Spasms (West Syndrome)

40-160 unitsDaily, divided into 1-2 doses
Duration

2-3 weeks induction, followed by taper

Initial high-dose therapy is critical to achieve spasm cessation. Closely monitor for side effects during high-dose phase. Tapering schedule based on clinical response and tolerance.

Multiple Sclerosis Exacerbations

80-120 unitsDaily
Duration

1-2 weeks

Administered intramuscularly or subcutaneously. Monitor for blood glucose elevations and fluid retention. May be used as an alternative to high-dose IV corticosteroids.

Nephrotic Syndrome

40-80 unitsDaily
Duration

Variable, based on disease activity

Used in patients with minimal change disease or focal segmental glomerulosclerosis. Monitor for hypertension, hyperglycemia, and infection risk.

Rheumatic Disorders (e.g., Rheumatoid Arthritis, Polymyositis)

40-80 unitsDaily or every other day
Duration

Variable, based on disease activity and tolerance

Used for short-term management of acute flares. Long-term use is generally avoided due to potential side effects.

Timing & Frequency

Corticotropin injections are typically administered in the morning to mimic the natural diurnal rhythm of cortisol secretion. The timing may be adjusted based on individual patient needs and physician recommendations. For infantile spasms, timing should be consistent each day.

Cycle Guidance

Corticotropin is typically used for relatively short-term treatment of acute exacerbations or during initial induction therapy. Prolonged use is associated with significant side effects and is generally avoided. Tapering schedules are critical to minimize adrenal insufficiency upon discontinuation.

Reconstitution Reference

Quick reference for reconstituting Corticotropin. For custom vial sizes and concentrations, use the Reconstitution Calculator.

Common Vial SizeH.P. Acthar Gel is supplied as a pre-prepared gel suspension.
BAC Water VolumeN/A (pre-prepared gel)
Concentration & DrawN/A (pre-prepared gel, concentration varies by product)
StorageStore refrigerated at 2-8°C. Protect from light.
StabilityRefer to manufacturer's instructions for specific product stability information.
Use the Reconstitution Calculator → for precise injection volumes based on your exact vial size, water volume, and desired dose.

Frequently Asked Questions

What is the appropriate corticotropin dosage for infantile spasms?
The recommended starting dose is typically 40-160 units daily, divided into one or two doses. The dose is then adjusted based on clinical response and side effects, with a slow taper after spasm cessation. This dosage should be determined and monitored by a qualified pediatric neurologist.
How is corticotropin administered?
H.P. Acthar Gel is administered via intramuscular or subcutaneous injection. The specific injection site is determined by the prescribing physician. Proper injection technique is crucial to minimize discomfort and ensure appropriate drug absorption.
What are the potential side effects of corticotropin?
Common side effects include fluid retention, increased appetite, weight gain, elevated blood pressure, hyperglycemia, increased risk of infection, mood changes, and acne. Long-term use can lead to Cushing's syndrome, osteoporosis, and adrenal suppression. Patients should be closely monitored for these side effects by their physician.
How long does it take for corticotropin to work?
The onset of action varies depending on the condition being treated. In infantile spasms, spasm cessation may occur within days to weeks. For MS exacerbations, improvement in neurological symptoms may be observed within days to weeks. Individual responses can vary considerably.

Last updated: 2026-02-19