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GLP-1 Decoder

Mounjaro for Depression Patients: Evidence, Eligibility

Mounjaro is not FDA approved for depression. It is approved for type 2 diabetes and heart risk. Some doctors prescribe it when one of those uses also applies. In SURMOUNT-1, people on Zepbound lost 20.9% of body weight on average, vs 3.1% on placebo.

Active ingredient
tirzepatide
How it is taken
weekly injection
Approved for
Type 2 diabetes and heart risk
Best result (SURMOUNT-1)
20.9% weight loss

Mounjaro in brief

How long it remains in the body
100%50%25%0%05 d10 d15 d20 d25 d50%25%12.5%time after the dose

Its half-life is about 5 days: after 5 d, half is gone, and after five half-lives (25 d), about 3% remains.

Weight lost in the main trial
Mounjaro (SURPASS-1)7.8 kgPlacebo1 kg

In SURPASS-1, over 40 weeks, people with type 2 diabetes lost 7.8 kg, compared with 1 kg on placebo.

The Price over time
2026$1,112.16$0List priceSelf-pay

Each month, price points in US dollars come from the maker's price page, including the list price and self-pay offers.

Sources: FDA label (DailyMed), healthsystemtracker.org, pricinginfo.lilly.com.

Who qualifies?

Mounjaro: who qualifies
Who sets the ruleWho qualifies
FDA labelFor people with type 2 diabetes who are 10 and older, this medicine lowers blood sugar. It is used with diet and exercise.
FDA labelFor adults with type 2 diabetes who are at high risk, this medicine lowers the risk of death related to the heart, heart attack, or stroke.
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)you must first complete 6 months of a diet and activity program

Sources: FDA label (DailyMed), aetna.com.

Depression trial findings

In no case did these trials enroll people with depression only. The adults studied were those who had obesity or were overweight without diabetes, and those who had obesity without type 2 diabetes.

Trials that tested that same ingredient (tirzepatide)
TrialMedicineWho took partLengthPeopleMain resultComparison
SURMOUNT-1 ZepboundAdults with obesity or overweight, without diabetes72 weeks2,53920.9% weight loss3.1% on placebo
SURMOUNT-5 ZepboundAdults with obesity, without type 2 diabetes72 weeks75120.2% weight lossNot listed

See SURMOUNT-5 (PubMed) and SURMOUNT-1 (FDA label (DailyMed)) for study details.

What is different for depression?

Mounjaro: label information on depression
What changesWhat the label says
Severe Gastrointestinal Adverse ReactionsSide effects in the stomach and gut that are common may be severe. Not recommended for people with severe gastroparesis.

Taken from the FDA labels: FDA label (DailyMed).

Taken from the label warnings: FDA label (DailyMed).

Coverage for depression

Medicare Part D does not pay for a GLP-1 used only for weight loss.

When Medicaid covers weight-loss GLP-1s, prior authorization is standard.

Sources: humana.com, KFF.

Alternatives for depression

GLP-1 medicines and depression
MedicineFor people with depressionHow it is takenTrial result
MounjaroNot a listed useweekly injectionNot listed
OzempicNot a listed useweekly injectionNot listed
WegovyNot a listed useweekly injection or daily tablet14.9% weight loss
RybelsusNot a listed usedaily tabletNot listed
ZepboundNot a listed useweekly injection20.9% weight loss
FoundayoNot a listed usedaily tablet11.1% weight loss
TrulicityNot a listed useweekly injectionNot listed
SaxendaNot a listed usedaily injection7.4% weight loss
VictozaNot a listed usedaily injectionNot listed
ByettaNot a listed usetwice-daily injectionNot listed

Details are in FDA label information on DailyMed.

Questions to ask your prescriber

On DailyMed, see the full Mounjaro prescribing information.