Head-to-head evidence

liraglutide vs orforglipron

Same mechanism, same race: design-graded trial evidence for both assets, with the grading rationale shown. Grades describe the quality of the evidence, never the merits of either security.

Obesity

Shared mechanism: GLP-1 receptor · full Obesity pipeline

liraglutide · Saxenda / Victoza

Marketed by Novo Nordisk

Approved in Obesitypeptide
Reliable signal

NCT00781937 · Phase 3 · completed

The trial randomly assigned 212 participants to liraglutide and 210 to placebo in a double-blind, placebo-controlled design, with objective body-weight outcomes assessed at week 56. All three prespecified primary comparisons favored liraglutide and were statistically significant (each p<0.0001), supporting a strong evidence grade.

Next expected readout: December 2026 · NCT07225816 (registry estimate)

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orforglipron · Foundayo

Marketed by Eli Lilly

Approved in Obesitysmall molecule
Partial signal

NCT05803421 · Phase 3 · completed

The study is randomized and active-controlled with a large sample of 2,749 participants, but it is open-label rather than blinded. Its primary endpoint is a hard clinical cardiovascular outcome; however, the comparison cannot be judged because no results are currently available.

Next expected readout: February 2027 · NCT06672549 (registry estimate)

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Type 2 Diabetes

Shared mechanism: GLP-1 receptor · full Type 2 Diabetes pipeline

liraglutide · Saxenda / Victoza

Marketed by Novo Nordisk

Approved in Type 2 Diabetespeptide
Reliable signal

NCT00318461 · Phase 3 · completed

This was a large (n=1091), randomized, double-blind, parallel-group trial with both a placebo-controlled comparison (liraglutide + metformin vs metformin + liraglutide placebo) and an active-controlled comparison (glimepiride + metformin). The primary endpoint was change in HbA1c at week 26, a hard, regulator-accepted outcome for type 2 diabetes. The prespecified primary comparisons for liraglutide 1.2 mg and 1.8 mg/day were met: both were significantly superior to metformin alone (p<0.0001) and non-inferior to glimepiride + metformin within the 0.4% margin. The 0.6 mg dose was superior to metformin but did not meet non-inferiority against glimepiride + metformin, which does not negate the positive results for the clinically relevant doses.

Next expected readout: June 2027 · NCT03883412 (registry estimate)

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orforglipron · Foundayo

Marketed by Eli Lilly

Phase 3 in Type 2 Diabetessmall molecule
Partial signal

NCT05803421 · Phase 3 · completed

The study is randomized and active-controlled with a large sample of 2,749 participants, but it is open-label rather than blinded. Its primary endpoint is a hard clinical cardiovascular outcome; however, the comparison cannot be judged because no results are currently available.

Next expected readout: May 2027 · NCT07613307 (registry estimate)

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The full competitive landscape for each asset (every same-race competitor with aligned evidence, sortable) is on the asset pages: liraglutide's landscape · orforglipron's landscape