Brand Name
Zelsuvmi
Generic Name
Berdazimer
View Brand Information FDA approval date: April 04, 2025
Form: Kit
What is Zelsuvmi (Berdazimer)?
ZELSUVMI™ is indicated for the topical treatment of molluscum contagiosum in adults and pediatric patients 1 year of age and older. ZELSUVMI™ is a nitric oxide releasing agent indicated for the topical treatment of molluscum contagiosum in adults and pediatric patients 1 year of age and older.
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Brand Information
1INDICATIONS AND USAGE
ZELSUVMI™ is indicated for the topical treatment of molluscum contagiosum (MC) in adults and pediatric patients 1 year of age and older.
2DOSAGE FORMS AND STRENGTHS
Topical gel: 10.3% berdazimer in an opaque white to off-white gel. ZELSUVMI is supplied as two tubes. Tube A with a blue label contains 14 grams of berdazimer gel and Tube B with a yellow label contains 17 grams of hydrogel.
3CONTRAINDICATIONS
None.
4DESCRIPTION
ZELSUVMI (berdazimer) topical gel, 10.3%, a nitric oxide releasing agent, contains the drug substance berdazimer sodium, a white to off white powder with the chemical name poly[{[3-(methylamino)propyl]silasesquioxane}-co-{[3-(1-methyl-2-nitroso2-oxidohydrazin-1 yl)propyl]silasesquioxane}-co-silicate (1:3:6 x)], partially hydrolyzed (Si : OH ~ 10 : 5), and the following structural and empirical formula:
Structural Formula:

* Denotes shared oxygen atom between bonded constituents; resulting bonds are Si-O-Si or Si‑OH
Empirical formula: [(C4H9N3NaO3.5Si)3(C4H10NO1.5Si)1(SiO2)6(HO0.5)5]
Due to the insoluble nature of berdazimer sodium, the molecular formula, molecular mass, and average molecular weight range cannot be determined.
ZELSUVMI (berdazimer) topical gel is an opaque white to off-white gel containing 10.3% berdazimer (equivalent to 10.9% berdazimer sodium). ZELSUVMI is supplied as two gel components that are mixed before administration:
- Tube A (14 g): an opaque white to off-white gel containing 240 mg of berdazimer sodium per gram of gel and the inactive ingredients cyclomethicone, hexylene glycol, hydroxypropyl cellulose, and isopropyl alcohol.
- Tube B (17 g): a translucent to opaque white to off-white gel containing the inactive ingredients benzoic acid, carboxymethylcellulose sodium, cyclomethicone, ethanol (13% v/v), glycerin, potassium phosphate monobasic, and purified water.
5CLINICAL STUDIES
The efficacy of ZELSUVMI was evaluated in 3 multicenter, randomized, double-blind, parallel-group, vehicle-controlled trials in subjects with MC (Trials 1, 2, and 3;
In the three trials, 3% of subjects were less than 2 years of age and 96% of subjects were 2 to 17 years of age. The trial population included 51% male, 88% White, 6% Black, and 6% Other; for ethnicity, 21% of subjects identified as Hispanic/Latino, 78% as non-Hispanic/Latino, and 1% were not reported. Subjects had 3-70 baseline MC lesions. At baseline, the average MC lesion count was 20.2.
The primary efficacy endpoint was the proportion of subjects achieving complete clearance at Week 12. Complete clearance was defined as the subject having a total MC lesion count of 0 at assessment. The key secondary efficacy endpoint was complete clearance rate at Week 8.
Efficacy was demonstrated in Trials 1 and 2. The results are summarized in Table 2.
In Trial 3, the complete clearance rates at Week 12 were 26% versus 22% for ZELSUVMI and vehicle, respectively, with 95% confidence interval (-5%, 14%).
6HOW SUPPLIED/STORAGE AND HANDLING
How Supplied
ZELSUVMI (berdazimer) topical gel, 10.3% is supplied in a carton (NDC 83787-103-31) containing:
- Tube A (14 g) with blue label containing berdazimer sodium in an opaque white to off-white gel (NDC 83787-113-14)
- Tube B (17 g) with yellow label containing translucent to opaque white to off-white gel (UPC 83787-0000-17)
- Dosing Guide
Storage and Handling
- Prior to Dispensing: Store ZELSUVMI in a refrigerator between 2°C and 8°C (36°F and 46°F) until dispensed to the patient. Write the “Discard after” date in the space provided on the carton.
- After Dispensing: Store ZELSUVMI at room temperature, between 20°C to 25°C (68°F and 77°F) in a dry location.
- Product contains alcohol and should be kept away from open flame.
- Do not freeze.
- Discard 60 days after removal from refrigeration.
7PATIENT COUNSELING INFORMATION
Advise the patient or caregiver to read the FDA-approved patient labeling (Patient Information and Instructions for Use).
Application Site Reactions
Advise patients to discontinue ZELSUVMI and seek medical attention immediately if signs or symptoms of application site reactions lasting more than 24 hours occur
Administration Instructions
Advise patients that ZELSUVMI is for external use only and is not for ophthalmic, oral, or intravaginal use
Inform patients that ZELSUVMI is supplied with two gel components that must be mixed together immediately before application. Instruct patients not to premix or store mixed ZELSUVMI
Advise patients to wash hands after applying ZELSUVMI (unless hands are being treated) and avoid transfer of the product to other areas of the skin, including the eye
Instruct patients to carefully follow the instructions for preparing and administering ZELSUVMI in the ZELSUVMI FDA-approved patient labeling
Manufactured for:
8Patient Package Insert
This Patient Information has been approved by the U.S. Food and Drug Administration. Issued: 01/2024
9Instructions For Use


10PRINCIPAL DISPLAY PANEL - ZELSUVMI™ Carton




