๐Ÿ›๏ธ Verified NIH Record โ€ข Updated 2026-08-20

A Study to Assess the Bioequivalence of Efgartigimod PH20 SC Between Autoinjector and Prefilled Syringe in Healthy Adult Participants (NCT07782775)

A Phase 1, Open-Label, Randomized, Single-Dose, 2-Period Crossover, Bioequivalence Study of Efgartigimod PH20 SC Administered Via Autoinjector Versus Prefilled Syringe in Healthy Adult Participants

๐ŸŸข Recruiting Phase1 ๐Ÿ’Š Investigational Drug / Biologic Sponsor: argenx

๐Ÿฉบ Plain-English Summary (8th-Grade Level)

The aim of this study is to compare the amount of efgartigimod in the blood over time after it is injected via Prefilled syringe (PFS) and Autoinjector (AI). The study will comprise 2 study periods of 3 weeks each. Each participant receives both efgartigimod PH20 SC AI and PFS treatments, in a different order. Participants will be in the study for up to approximately 9 weeks.

Who can join: Review the eligibility criteria below.

Location: Altasciences โ€” Montreal

Age range: 18 Years to 55 Years

๐Ÿ“‹ "Do I Qualify?" โ€” 1-Minute Self Screener

Instant Checklist

Full eligibility criteria are available on the official NIH protocol. View the criteria โ†—

๐Ÿ“ All Participating Trial Locations (1 Sites)

  • Altasciences โ€” Montreal,

๐Ÿ“ž Contact the Study Coordinator

Phone: (857) 350-4834

Email: clinicaltrials@argenx.com

Coordinator details come directly from the registered NIH protocol. Confirm the study is still recruiting before traveling.

๐Ÿ’ฐ Cost, Insurance & Patient Rights

  • 100% Free Items: The investigational treatment and protocol-required procedures are supplied at zero cost by the sponsor.
  • Routine Patient Care: Under federal law (ACA ยง 2709) and many state statutes, routine care costs are covered during participation.
  • Voluntary Participation: You may withdraw at any time without affecting your standard medical care.

๐Ÿ’ก How to Participate

  1. Check the checklist above to see if you may qualify.
  2. Contact the study coordinator using the phone/email above.
  3. Ask about the visit schedule, what is covered at no cost, and any travel support.
  4. Confirm with your own doctor before making a decision.
๐Ÿ›๏ธ View Official NIH Record โ†—