Alsactide

Synthetic ACTH Analog (tetracosactide)Rx: PrescriptionCompound: Approved

Also known as: Ac-ACTH(1-17)-NH2, ACTH 1-17 synthetic analogue, ACTH(1-24), Alsactide, Alsactide acetate, Cosyntropin, Synacthen, Synchrodyn, Tetracosactide

Educational Only — Not medical advice. Consult a qualified clinician before using any peptide.

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Summary

Alsactide (tetracosactide, ACTH 1‑24) is a synthetic peptide used diagnostically to assess adrenal function via the ACTH stimulation test.

Mechanism of Action

Agonist of melanocortin 2 receptor (MC2R) on adrenal cortex, stimulating cortisol and steroidogenesis.

Routes of Administration

IntramuscularIntravenousSubcutaneous

Goals & Uses

  • Adrenocortical function testingDiagnosticModerate
  • Anti-inflammatory therapyTherapeuticModerate
  • Adrenal insufficiency diagnosisEndocrinology / DiagnosticsHigh
  • ImmunosuppressionTherapeuticLow

Contraindications

  • Cushing's syndromeEndocrine DisorderHigh
  • Primary adrenocortical insufficiency (Addison's disease)Endocrine DisorderHigh
  • Hypersensitivity to peptideAllergyHigh
  • Active infectionsInfectious DiseaseModerate
  • Hypersensitivity to ACTH analoguesAllergy/ImmunologyHigh
  • Active peptic ulcer diseaseGastrointestinalModerate

Adverse Effects

  • HypokalemiaElectrolyteUncommon
  • HyperglycemiaMetabolicUncommonAbnormally high blood glucose
  • HypertensionCardiovascularUncommonHigh blood pressure
  • Injection site reactionsLocalCommon
  • Hypersensitivity/anaphylaxisImmunologicalRare
  • Nausea/vomitingGastrointestinalCommon
  • FlushingVascularCommonWarmth and redness of the skin
  • Transient hyperglycemiaMetabolic/EndocrineCommon
  • Fluid retention and edemaMetabolicUncommon

Drug Interactions

  • Exogenous glucocorticoidsModerate
  • Antidiabetic agentsModerate
  • NSAIDsModerateMay increase renal risk in susceptible patients
  • Diuretics (potassium-wasting)Moderate

Population Constraints

  • PregnancyReproductive SafetyRelative
  • Pediatric patientsAgeRelative
  • Diabetes mellitusMetabolicRelative
  • Elderly patientsAgeRelative

Regulatory Status

  • European UnionApprovedApproved: Diagnostic testing of adrenal functionVarious brand names.
  • JPApprovedApproved: Diagnostic useMarketed as Alsactide.
  • United StatesApprovedApproved: ACTH stimulation testMarketed as Cosyntropin.
  • United KingdomUnknownTetracosactide (Synacthen) is the preferred ACTH analogue in the UK; alsactide approval status is unclear.

Approved in several jurisdictions for diagnostic use; marketed under various brand names (e.g., Cosyntropin, Synacthen).

Evidence & Sources

No sources recorded yet.

Frequently Asked Questions

What is Alsactide?

Alsactide (tetracosactide, ACTH 1‑24) is a synthetic peptide used diagnostically to assess adrenal function via the ACTH stimulation test.

What is Alsactide used for?

Alsactide is educationally associated with: Adrenocortical function testing, Anti-inflammatory therapy, Adrenal insufficiency diagnosis, Immunosuppression. Educational only — not medical advice.

How is Alsactide administered?

Recorded routes of administration: Intramuscular, Intravenous, Subcutaneous.

What are the potential side effects of Alsactide?

Reported adverse effects include: Hypokalemia, Hyperglycemia, Hypertension, Injection site reactions, Hypersensitivity/anaphylaxis, Nausea/vomiting, Flushing, Transient hyperglycemia, Fluid retention and edema. This list is not exhaustive — consult a qualified clinician.

Who should avoid Alsactide?

Recorded contraindications: Cushing's syndrome, Primary adrenocortical insufficiency (Addison's disease), Hypersensitivity to peptide, Active infections, Hypersensitivity to ACTH analogues, Active peptic ulcer disease. Consult a qualified clinician before use.