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GLP-1 Decoder

Trulicity Hair Loss: Evidence, the Safety Signal, What Helps

The Trulicity label names alopecia as a reported side effect but gives no trial rate for it.

In the label
Listed, no rate given
Label term
alopecia

A quick Trulicity overview

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: half disappears after 5 d, while about 3% remains after five half-lives (25 d).

Sources: FDA label (DailyMed).

What the Trulicity label lists instead

The Trulicity label provides no rate for hair loss. The label gives a rate for each of the five side effects that occur most often.

Table 1: Adverse Reactions in Pool of Placebo-Controlled Trials That Occurred in ≥5% of TRULICITY-Treated Adult Patients with Type 2 Diabetes Mellitus
Side effectPlaceboTrulicity 0.75 mgTrulicity 1.5 mgMore than placebo, 1.5 mg
Nausea5.3%12.4%21.1%+15.8 points
Vomiting2.3%6%12.7%+10.4 points
Diarrhea6.7%8.9%12.6%+5.9 points
Abdominal Pain4.9%6.5%9.4%+4.5 points
Decreased Appetite1.6%4.9%8.6%+7 points

Source: Trulicity label (DailyMed).

Hair loss: a comparison between Trulicity and other GLP-1s

The results in each label came from that drug's trials, which used different groups of people. Treat it as a rough guide.

That table also includes pill forms: Foundayo.

Hair loss across GLP-1 labels
MedicineHighest rate in the labelDose groupPlaceboPeople in the trials
Zepbound5%5 mg1%Adults with obesity or overweight (weight management)
Foundayo5%17.2 mg2%Adults with obesity or overweight (weight management)
Wegovy3%2.4 mg1%Adults with obesity or overweight (weight management)
OzempicListed, no rate given–––
MounjaroListed, no rate given–––
TrulicityListed, no rate given–––
ByettaListed, no rate given–––
RybelsusNot listed–––
SaxendaNot listed–––
VictozaNot listed–––

Sources: Wegovy label (DailyMed), Zepbound label (DailyMed), Foundayo label (DailyMed).

Source: DailyMed FDA label.

What the label says

On hair loss, the label uses these words exactly:

“procedures requiring general anesthesia or deep sedation Renal: acute renal failure or worsening of chronic renal failure, sometimes requiring hemodialysis Skin and Subcutaneous Tissue: alopecia”

Source: DailyMed FDA label.