Saxenda for After Bariatric Surgery: Evidence, Eligibility

Saxenda is not FDA approved for weight regain after bariatric surgery. It is approved for weight loss. Some doctors prescribe it when one of those uses also applies. In SCALE Obesity and Prediabetes, people on Saxenda lost 7.4% of body weight on average, vs 3% on placebo.

Active ingredient: liraglutide
How it is taken: daily injection
Approved for: Weight loss
Best result (SCALE Obesity and Prediabetes): 7.4% weight loss

A quick look at Saxenda

How long it remains in your body

Its half-life is about 13 hours: after 13 h, half is gone, and about 3% remains after five half-lives (2.7 d).

Main trial weight loss results

SCALE Obesity, Prediabetes, 56 weeks: the body weight figure was 7.4%, against 3% on placebo.

Sources: FDA label (DailyMed).

Who qualifies for it?

Saxenda: who qualifies
Who sets the rule	Who qualifies for it?
FDA label	This covers long-term weight loss and keeping weight off, with diet and activity. It applies to adults and children 12 and older who weigh over 60 kg and have obesity. Adults with overweight who also have a weight-related condition are included too.
Typical commercial plan (Aetna policy)	BMI 30 or higher
Typical commercial plan (Aetna policy)	BMI 27 or higher with a weight-related condition
Typical commercial plan (Aetna policy)	a program of diet and activity comes first for 6 months:

The sources here are aetna.com and FDA label (DailyMed).

Trial findings after bariatric surgery

None of these trials enrolled only weight regain after bariatric surgery; the people studied were adults who were obese or overweight and had no type 2 diabetes.

Saxenda trials about weight regain following bariatric surgery
Trial	Medicine	Who took part	Length	People	Main result	Comparison
SCALE Obesity and Prediabetes	Saxenda	Adults who were obese or overweight and had no type 2 diabetes	56 weeks	3,731	7.4% weight loss	3% on placebo

Trial sources: SCALE Obesity and Prediabetes (FDA label (DailyMed)).

What is different after bariatric surgery?

Guidance in the Saxenda label on weight regain following bariatric surgery
What changes	What the label says
Acute Gallbladder Disease	Gallstones and gallbladder inflammation can happen. Report pain in the upper right belly, fever or yellow skin or eyes.
Acute Kidney Injury Due to Volume Depletion	Fluid loss from vomiting or diarrhea may lead to kidney injury. Drink fluids and report heavy fluid loss.
Severe Gastrointestinal Adverse Reactions	Stomach and gut side effects occur often and may be severe. Not recommended for people with severe gastroparesis.
Taken with oral medicines	Since it slows stomach emptying, other pills may be absorbed differently.

These details come from the FDA labels: FDA label (DailyMed).

The FDA label (DailyMed) provides these label warnings.

Insurance coverage after bariatric surgery

Medicare Part D does not cover a GLP-1 that is prescribed only for weight loss.

Where Medicaid covers weight-loss GLP-1s, prior authorization is usually required.

Sources: humana.com, KFF.

Options after bariatric surgery

GLP-1 medicines and weight regain after bariatric surgery
Medicine	For life after bariatric surgery	How it is taken	Trial result
Saxenda	Not a listed use	daily injection	7.4% weight loss
Ozempic	Not a listed use	weekly injection	Not listed
Wegovy	Not a listed use	weekly injection or daily tablet	14.9% weight loss
Rybelsus	Not a listed use	daily tablet	Not listed
Mounjaro	Not a listed use	weekly injection	Not listed
Zepbound	Not a listed use	weekly injection	20.9% weight loss
Foundayo	Not a listed use	daily tablet	11.1% weight loss
Trulicity	Not a listed use	weekly injection	Not listed
Victoza	Not a listed use	daily injection	Not listed
Byetta	Not a listed use	twice-daily injection	Not listed