Last reviewed · How we verify

Lispro Mix 50/50

Eli Lilly and Company · FDA-approved active Small molecule ✓ Verified May 2026

Lispro Mix 50/50 is a Insulin combination (rapid-acting + intermediate-acting) Small molecule drug developed by Eli Lilly and Company. It is currently FDA-approved for Type 1 diabetes mellitus, Type 2 diabetes mellitus. Also known as: LY275585, Humalog Mix50.

Lispro Mix 50/50 is a combination insulin that provides both rapid-acting and intermediate-acting insulin to control blood glucose in diabetes.

Lispro Mix 50/50 is a medication used to treat diabetes mellitus, specifically type 1 and type 2, as well as gestational diabetes mellitus. It is a mixed formulation of insulin lispro, a rapid-acting insulin analog.

At a glance

Generic nameLispro Mix 50/50
Also known asLY275585, Humalog Mix50
SponsorEli Lilly and Company
Drug classInsulin combination (rapid-acting + intermediate-acting)
TargetInsulin receptor
ModalitySmall molecule
Therapeutic areaDiabetes
PhaseFDA-approved

Mechanism of action

This product contains 50% insulin lispro (a rapid-acting insulin analog) and 50% insulin lispro protamine suspension (an intermediate-acting form). The rapid-acting component begins working within 15 minutes to control postprandial glucose spikes, while the intermediate-acting component provides basal glucose coverage over several hours, mimicking the body's natural biphasic insulin secretion pattern.

Approved indications

Common side effects

Key clinical trials

Primary sources

Every claim on this page is sourced from regulatory or scientific primary sources. See our editorial policy for full methodology.

SourceUsed for
ClinicalTrials.govTrial enrolment, design, endpoints, results

Competitive intelligence

For the full competitive landscape — auto-detected comparators, recent regulatory actions across the set, upcoming PDUFA, patent timeline, sponsor landscape:

Frequently asked questions about Lispro Mix 50/50

What is Lispro Mix 50/50?

Lispro Mix 50/50 is a Insulin combination (rapid-acting + intermediate-acting) drug developed by Eli Lilly and Company, indicated for Type 1 diabetes mellitus, Type 2 diabetes mellitus.

How does Lispro Mix 50/50 work?

Lispro Mix 50/50 is a combination insulin that provides both rapid-acting and intermediate-acting insulin to control blood glucose in diabetes.

What is Lispro Mix 50/50 used for?

Lispro Mix 50/50 is indicated for Type 1 diabetes mellitus, Type 2 diabetes mellitus.

Who makes Lispro Mix 50/50?

Lispro Mix 50/50 is developed and marketed by Eli Lilly and Company (see full Eli Lilly and Company pipeline at /company/eli-lilly).

Is Lispro Mix 50/50 also known as anything else?

Lispro Mix 50/50 is also known as LY275585, Humalog Mix50.

What drug class is Lispro Mix 50/50 in?

Lispro Mix 50/50 belongs to the Insulin combination (rapid-acting + intermediate-acting) class. See all Insulin combination (rapid-acting + intermediate-acting) drugs at /class/insulin-combination-rapid-acting-intermediate-acting.

What development phase is Lispro Mix 50/50 in?

Lispro Mix 50/50 is FDA-approved (marketed).

What are the side effects of Lispro Mix 50/50?

Common side effects of Lispro Mix 50/50 include Hypoglycemia, Injection site reactions, Weight gain, Lipodystrophy.

What does Lispro Mix 50/50 target?

Lispro Mix 50/50 targets Insulin receptor and is a Insulin combination (rapid-acting + intermediate-acting).

Related

Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing