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Priya Life Science Compound trial record
Compound · clinical trials

Metreleptin clinical trials

Also listed in trial records as Myalept
Source: ClinicalTrials.gov, U.S. National Library of Medicine — the 5 trials in our USA, UK, Germany, France, Italy, Spain, Netherlands, Belgium, Poland, Canada, Brazil, Israel and Switzerland registers that name Metreleptin as an intervention. Synced 9 Nov 2026
5Current trials
4Recruiting now
3Lead sponsors
13Country registers
At a glance

Metreleptin is named as an intervention in 5 current clinical trials in our USA, UK, Germany, France, Italy, Spain, Netherlands, Belgium, Poland, Canada, Brazil, Israel and Switzerland registers. 4 are recruiting patients now. The most common phase is Phase 3. The sponsor with the most trials is Chiesi Farmaceutici S.p.A (3). The most-studied condition is Partial Lipodystrophy.

Where Metreleptin is approved

All regulators →

Of the three regulators tracked here, the first to approve Metreleptin was the US, on 24 Feb 2014. It is approved in 3 of the 3 regulators tracked here.

USUnited States (FDA)
24 Feb 2014
Myalept
BLA125390 on Drugs@FDA
First original NDA/BLA approval
EUEuropean Union (EMA)
30 Jul 2018
Myalepta
EMA product page
First centralised authorisation
CACanada (Health Canada)
17 Jan 2024
Myalepta
Notice of Compliance 32544
First new-drug NOC

From the regulators' own registers: FDA Drugs@FDA, the EMA medicines list and Health Canada's Notice of Compliance database. Dates are the first listed approval of a product containing only this substance; combination products and nationally authorised EU medicines are not counted.

Metreleptin patents and exclusivity

Expiry tracker →

Protections still running for marketed products containing Metreleptin, as listed by the regulators. Expired patents and exclusivities, and discontinued products, are not shown.

EU European Commission, orphan market exclusivity
  • Myalepta for treatment of Familial Partial Lipodystrophy: until 1 Aug 2028. Union Register
  • Myalepta for treatment of Barraquer-Simons syndrome: until 1 Aug 2028. Union Register
  • Myalepta for treatment of Lawrence syndrome: until 1 Aug 2028. Union Register
  • Myalepta for treatment of Berardinelli-Seip syndrome: until 1 Aug 2028. Union Register

Reproduced from the FDA Orange Book and Purple Book (checked 8 Nov 2026) and the European Commission's Union Register of medicinal products (CC BY 4.0; the EU expiry date is calculated exactly as the Commission's register displays it). Listed patents and dates are as submitted to or published by the regulator and may not reflect litigation, invalidation, settlements, lapsed fees or later extensions. This is not legal advice or a freedom-to-operate opinion, and it does not say when a generic or biosimilar will launch.

What health systems spend on Metreleptin

All medicines →
ENNHS England
Not dispensed in the community in England in the last 12 months under this name
Net ingredient cost, community prescriptions
USUS Medicaid
$22.7m
227 prescriptions in 2025 · Myalept
Amount Medicaid reimbursed, before rebates

From NHSBSA Prescription Cost Analysis (Open Government Licence v3.0) and CMS State Drug Utilization Data. Both are gross amounts: neither system publishes its discounts or rebates per drug. Products combining several substances are not counted here.

How Metreleptin works

All drug targets →
  • Leptin receptor agonist Agonist
    Target: LEPR leptin receptor
    ChEMBL only
Other medicines acting on LEPR
Diseases it has been tested for in clinical trials, by furthest phase
  • Diabetes mellitusPhase 3
  • Generalized lipodystrophyPhase 3
  • HypertriglyceridemiaPhase 3
  • Metabolic dysfunction-associated steatohepatitisPhase 3
  • Obesity disorderPhase 3
  • Partial lipodystrophyPhase 3
  • Polycystic ovary syndromePhase 3
  • Insulin resistancePhase 2
  • OverweightPhase 2
  • Anorexia nervosaPhase 2
17 diseases in all

Mechanisms and diseases from ChEMBL via the Open Targets Platform (release 26.09), ChEMBL record CHEMBL2107857, CC BY-SA 3.0. Targets checked against the IUPHAR/BPS Guide to PHARMACOLOGY (2026.3.1), ligand 7333, CC BY-SA 4.0. Trial phases are not approvals: approved uses are shown from the regulators' own records where we hold them.

Patient leaflets for Metreleptin

The package leaflet is the official guide for patients that comes with every medicine. These links go to the regulators that publish it.

  • IE
    Ireland: 1 product on the HPRA list
    Each product record links to the HPRA, which publishes the leaflet and SmPC.
  • EU
    European Union: Myalepta
    EMA product information: package leaflet and summary of product characteristics in every EU language.
  • UK
    United Kingdom: Search MHRA Products
    Patient information leaflets and SmPCs for UK-licensed products.
  • US
    United States: Search DailyMed
    FDA-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.

Reference identifiers for Metreleptin

ATC code
A16AA07
ChEMBL
CHEMBL2107857
DrugBank
DB09046
CAS number
186018-45-1
FDA UNII
TL60C27RLH
Wikidata
Q17143468
Wikipedia
Metreleptin

Codes that identify this medicine in other databases, from Wikidata (CC0), matched by its ChEMBL ID. The ATC code is the WHO classification of what the medicine is used for.

Trials by status

  • Recruiting480%
  • Active, closed120%

Trials by phase

  • Phase 3240%
  • Phase 4120%
  • Observational120%
  • Phase 2120%
01

Clinical trials of Metreleptin

5 trials
StudyPhaseStatusLead sponsorRegisters
Open-label Study to Evaluate Metreleptin in Patients With Partial Lipodystrophy
NCT06484868 · Partial Lipodystrophy
Phase 4 Recruiting Amryt Pharma UK, Germany, France, Italy
Open-label Extension Study to Evaluate Metreleptin in Patients With Partial Lipodystrophy
NCT06679270 · Familial Partial Lipodystrophy
Phase 3 Recruiting Chiesi Farmaceutici S.p.A USA
Metreleptin in Anorexia Nervosa
NCT06305182 · ClinicalTrials.gov ↗ · Anorexia Nervosa
Phase 2 Recruiting Gabriella Milos Switzerland
MEASuRE: Metreleptin Effectiveness And Safety Registry
NCT02325674 · Generalised Lipodystrophy, Partial Lipodystrophy
Observational Recruiting Chiesi Farmaceutici S.p.A UK, USA, Germany, France, Italy
Study to Evaluate the Safety and Efficacy of Daily Subcutaneous Metreleptin Treatment in Subjects With PL
NCT05164341 · Partial Lipodystrophy
Phase 3 Active, closed Chiesi Farmaceutici S.p.A USA, Spain, Netherlands, Belgium, Poland, Canada, Brazil, Israel

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.

02

Metreleptin across our data

Ireland · EU · US

The same active substance in our other registers, matched by its exact name. Each entry links to the register record it comes from.

Licensed in Ireland (HPRA)

1 single-substance product containing Metreleptin on the HPRA medicines list.

All 1 Irish product →

Supply shortages

No entry for Metreleptin in the EMA, FDA or German BfArM shortage lists we track.

03

Conditions studied with Metreleptin

4 conditions
Partial Lipodystrophy3Generalised Lipodystrophy1Familial Partial Lipodystrophy1Anorexia Nervosa1
04

Sponsors

lead sponsor per trial
Lead sponsorTrials
Chiesi Farmaceutici S.p.A3
Amryt Pharma1
Gabriella Milos1
05

By country register

RegisterTrialsRecruiting
Clinical trials in USA32
Clinical trials in UK22
Clinical trials in Germany22
Clinical trials in France22
Clinical trials in Italy22
Clinical trials in Spain10
Clinical trials in Netherlands10
Clinical trials in Belgium10
Clinical trials in Poland10
Clinical trials in Canada10
Clinical trials in Brazil10
Clinical trials in Israel10
Clinical trials in Switzerland11

A trial with sites in more than one country appears in each of those registers.

06

Questions about Metreleptin trials

How many clinical trials are testing Metreleptin?

5 current trials in our USA, UK, Germany, France, Italy, Spain, Netherlands, Belgium, Poland, Canada, Brazil, Israel and Switzerland registers name Metreleptin as a drug or biological intervention, as of the registry sync on 9 November 2026. Completed and withdrawn studies are not counted.

Are Metreleptin trials recruiting patients?

Yes. 4 of the 5 trials are recruiting: 2 with sites in USA, 2 with sites in UK, 2 with sites in Germany, 2 with sites in France, 2 with sites in Italy and 1 with sites in Switzerland. Eligibility and site contacts are on each trial's record. Only the study team can confirm whether a patient is eligible.

Who sponsors Metreleptin clinical trials?

Chiesi Farmaceutici S.p.A (3), Amryt Pharma (1) and Gabriella Milos (1). The number in brackets is how many trials each organisation leads.

Is Metreleptin licensed in Ireland?

Yes. The HPRA medicines list includes 1 single-substance product containing Metreleptin, for example Myalepta 11.3 mg powder for solution for injection (Chiesi Farmaceutici S.p.A.). A licence does not mean a product is currently marketed or reimbursed; see each product's record.

Is there a Metreleptin shortage?

Not in the lists we track: Metreleptin has no entry in the EMA, FDA or German BfArM shortage registers as of their latest sync.

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 Metreleptin works or whether it is effective, and it is not medical advice.

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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 Metreleptin works or whether it is effective. Each trial links to its own record so you can check it yourself.

This page is built automatically: a daily sync job reads the registry records behind our country trial registers, collects every trial that lists Metreleptin (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.

Please verify before you rely on this. This page is general information for life-science and pharmaceutical professionals. It is not medical advice, and it has not been reviewed by a clinician — our editorial team holds life-science qualifications, not clinical ones. It is not exhaustive and may not reflect the most recent label change. Always check the official prescribing information (US Prescribing Information or EU SmPC) and speak to your doctor or pharmacist before acting on anything here. Drugs in the same class are not automatically interchangeable, and approvals, brand names and indications differ between the US, the EU/Ireland (EMA/HPRA) and other regions. Spotted an error? Tell us — we correct promptly and log it.