ALXN1850 clinical trials
ALXN1850 is named as an intervention in 3 current clinical trials in our UK, USA, Turkey, Canada, Australia, China, Spain, Poland, Brazil, Taiwan, Israel, Japan, Belgium, Sweden, Mexico, Germany, France, Italy and South Korea registers. None are recruiting at the moment. All registered phases are Phase 3. The lead sponsor is Alexion Pharmaceuticals, Inc. The most-studied condition is Hypophosphatasia.
How ALXN1850 works
All drug targets →- HypophosphatasiaPhase 3
Mechanisms and diseases from ChEMBL via the Open Targets Platform (release 26.09), ChEMBL record CHEMBL5314736, CC BY-SA 3.0. The Guide to Pharmacology has no record of this medicine, so its targets rest on ChEMBL alone. Trial phases are not approvals: approved uses are shown from the regulators' own records where we hold them.
Patient leaflets for ALXN1850
The package leaflet is the official guide for patients that comes with every medicine. These links go to the regulators that publish it.
- UKUnited Kingdom: Search MHRA ProductsPatient information leaflets and SmPCs for UK-licensed products.
- USUnited States: Search DailyMedFDA-approved labels, including patient and medication guides.
Leaflets differ between brands and countries; always read the one that comes with your own medicine. This is regulatory information, not medical advice.
Trials by status
Trials by phase
Clinical trials of ALXN1850
3 trials| Study | Phase | Status | Lead sponsor | Registers |
|---|---|---|---|---|
|
Phase 3 Study of ALXN1850 Versus Placebo in Adolescent and Adult Participants With HPP Who Have Not Previously Been Treated With Asfotase Alfa
NCT06079281 · Hypophosphatasia
|
Phase 3 | Active, closed | Alexion Pharmaceuticals, Inc | UK, USA, China, Germany, France, Spain, Italy, Poland, Turkey, Canada, Brazil, Japan, South Korea, Taiwan, Australia, Israel |
|
Phase 3 Study of ALXN1850 in Treatment-Naïve Pediatric Participants With HPP
NCT06079359 · Hypophosphatasia
|
Phase 3 | Active, closed | Alexion Pharmaceuticals, Inc | UK, USA, China, Spain, Belgium, Sweden, Poland, Turkey, Canada, Brazil, Mexico, Taiwan, Australia, Israel |
|
Phase 3 Study of ALXN1850 in Pediatric Participants With HPP Previously Treated With Asfotase Alfa
NCT06079372 · Hypophosphatasia
|
Phase 3 | Active, closed | Alexion Pharmaceuticals, Inc | UK, USA, Turkey, Canada, Japan, Australia |
Registers list studies that are recruiting, about to open, active but closed to enrolment, or enrolling by invitation. The UK and USA registers cover industry-sponsored studies only. Trial titles and statuses are copied from the registry as published.
Conditions studied with ALXN1850
1 conditionSponsors
lead sponsor per trial| Lead sponsor | Trials |
|---|---|
| Alexion Pharmaceuticals, Inc | 3 |
By country register
A trial with sites in more than one country appears in each of those registers.
Related compounds
Questions about ALXN1850 trials
How many clinical trials are testing ALXN1850?
3 current trials in our UK, USA, Turkey, Canada, Australia, China, Spain, Poland, Brazil, Taiwan, Israel, Japan, Belgium, Sweden, Mexico, Germany, France, Italy and South Korea registers name ALXN1850 as a drug or biological intervention, as of the registry sync on 9 November 2026. Completed and withdrawn studies are not counted.
Are ALXN1850 trials recruiting patients?
Not at the moment. None of the 3 trials in our registers is recruiting; they are active but closed to enrolment, not yet open, or enrolling by invitation. Only the study team can confirm whether a patient is eligible.
Who sponsors ALXN1850 clinical trials?
The lead sponsor is Alexion Pharmaceuticals, Inc. The number in brackets is how many trials each organisation leads.
Where does this information come from?
Every trial, status, phase and sponsor on this page is copied from public ClinicalTrials.gov records by a daily sync. Nothing here describes how ALXN1850 works or whether it is effective, and it is not medical advice.
How this page is built
Everything on this page is copied from public ClinicalTrials.gov registry records — it is not written from memory, and nothing here describes how ALXN1850 works or whether it is effective. Each trial links to its own record so you can check it yourself.
- ClinicalTrials.gov (U.S. National Library of Medicine) ↗ Trial IDs, titles, intervention names and synonyms, phase, overall status, lead sponsor and conditions for every trial on this page
This page is built automatically: a daily sync job reads the registry records behind our country trial registers, collects every trial that lists ALXN1850 (or a registered synonym) as a drug or biological intervention, and tabulates the registry fields directly. Placebos and generic comparators are excluded. There is no AI drafting and no per-compound editorial pass, and the page has not been clinically reviewed. The “last verified” date above is the timestamp of that sync, not a review date. Our general editorial approach is described in our editorial standards and corrections policy. The ClinicalTrials.gov data on this page was last retrieved on 9 Nov 2026. How every register is built: methodology · fixes we have made: corrections log.