Efzimfotase alfa clinical trials
Also written ALXN1850.
How each study uses efzimfotase alfa is sorted by a rule, right about nine times in ten. Readers can ask us to read every study one by one.Ask us to read each study
Approvals
The first approval found in each region, with its record
- United States
- Not in FDA's approval records
- European Union
- Not in EMA's list of EU-wide authorisations
From FDA's Drugs@FDA and Purple Book (through openFDA) and the European Medicines Agency, files of Sept 2026 and 27 Oct 2026. National approvals in Europe and other countries are not included. How this is worked out
How studies write it
Studies that test it under each name
Development codes
- ALXN1850
- 3
Studies by the year they started
3 studies that test it; most in 2024 (2)
| Year | Studies |
|---|---|
| 2021 | 1 |
| 2024 | 2 |
By phase
A phase 1/2 study counts in both.
What it is tested for
Each study’s main condition, where its own words name it, so a study counts once.
Who runs them
Industry 3 · Other 0
Studies
Open first, then newest update. How each study uses efzimfotase alfa is read from its arms, and is right about nine times in ten. Ask us to read each study. These are the studies that list it as an intervention; a search of ClinicalTrials.gov also finds studies that mention it only in a description, such as earlier treatment.
Testing it · 3
- Phase 3 Study of ALXN1850 Versus Placebo in Adolescent and Adult Participants With HPP Who Have Not Previously Been Treated With Asfotase AlfaActive, not recruitingPhase 3Alexion Pharmaceuticals, Inc.NCT06079281Written as ALXN1850
- Phase 3 Study of ALXN1850 in Treatment-Naïve Pediatric Participants With HPPActive, not recruitingPhase 3Alexion Pharmaceuticals, Inc.NCT06079359Written as ALXN1850
- Study of ALXN1850 in Participants With Hypophosphatasia (HPP)CompletedPhase 1Alexion Pharmaceuticals, Inc.NCT04980248Written as ALXN1850
Given beside what is tested · 1 — efzimfotase alfa is usual care or a partner of the new treatment
Codes
What other systems call efzimfotase alfa · ClinicalTrials.gg INT014221
- UNII (FDA) 0P6KRC474XEFZIMFOTASE ALFAOne source FDA
- NCI Thesaurus C199035Efzimfotase AlfaOne source FDA
| System | Code | Name there | Checked by |
|---|---|---|---|
| UNII (FDA) | 0P6KRC474X | EFZIMFOTASE ALFA | One source FDA |
| NCI Thesaurus | C199035 | Efzimfotase Alfa | One source FDA |
“Confirmed” means two independent publishers link the code to this drug; “one source”, one does and its name agrees.