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S8 Sinus Implant

Intersect ENT · Phase 3 active Small molecule ✓ Verified May 2026

S8 Sinus Implant is a Corticosteroid Small molecule drug developed by Intersect ENT. It is currently in Phase 3 development for Treatment of chronic sinusitis, Treatment of nasal polyps. Also known as: SINUVA (mometasone furoate) sinus implant.

S8 Sinus Implant is a drug that delivers corticosteroids directly to the nasal passages to reduce inflammation and swelling.

The S8 Sinus Implant is a small molecule implant used to treat conditions such as chronic sinusitis, nasal polyps, and nasal polyposis. It is designed to be used in post-sinus surgery patients with recurrent sinus obstruction.

Likelihood of approval
58.3% vs 58.3% industry baseline
If approved by FDA: likely 2028–2030
Steps remaining: NDA/BLA submission
Confidence: High
Why this estimate
  • Baseline phase 3 → approval rate +58.3pp
    Industry-wide phase 3 drugs reach approval ~58.3% of the time (BIO/Informa 2023 industry benchmark across all therapeutic areas).
Predicted approval windows by jurisdiction (conditional on FDA approval)
Regulator Country Likely year Lag vs FDA
FDA US 2028–2030
EMA EU 2029–2031 +0.7 yr
MHRA GB 2029–2031 +0.7 yr
Health Canada CA 2029–2032 +0.9 yr
TGA AU 2029–2032 +1.2 yr
PMDA JP 2029–2032 +1.5 yr
NMPA CN 2030–2033 +2.3 yr
MFDS KR 2029–2032 +1.4 yr
CDSCO IN 2029–2033 +1.8 yr
ANVISA BR 2030–2033 +2.3 yr

Hover any row for the lag rationale. Lag estimates are reduced when the drug has FDA Breakthrough or EMA PRIME designation (sponsors file globally in parallel).

Estimate based on the BIO/Informa industry phase transition rates plus per-drug modifiers for therapeutic area, sponsor type, FDA designations, mechanism, and trial design. Per-jurisdiction lags from Tufts CSDD international approval studies. Not investment, clinical or regulatory advice. Methodology: /methodology#likelihood.

At a glance

Generic nameS8 Sinus Implant
Also known asSINUVA (mometasone furoate) sinus implant
SponsorIntersect ENT
Drug classCorticosteroid
ModalitySmall molecule
Therapeutic areaOtolaryngology
PhasePhase 3

Mechanism of action

The implant is designed to provide sustained release of the corticosteroid, which helps to reduce inflammation and swelling in the nasal passages. This can provide relief for patients with chronic sinusitis or other nasal conditions.

Approved indications

Common side effects

Key clinical trials

Primary sources

Every claim on this page is sourced from regulatory or scientific primary sources. See our editorial policy for full methodology.

SourceUsed for
ClinicalTrials.govTrial enrolment, design, endpoints, results

Competitive intelligence

For the full competitive landscape — auto-detected comparators, recent regulatory actions across the set, upcoming PDUFA, patent timeline, sponsor landscape:

Frequently asked questions about S8 Sinus Implant

What is S8 Sinus Implant?

S8 Sinus Implant is a Corticosteroid drug developed by Intersect ENT, indicated for Treatment of chronic sinusitis, Treatment of nasal polyps.

How does S8 Sinus Implant work?

S8 Sinus Implant is a drug that delivers corticosteroids directly to the nasal passages to reduce inflammation and swelling.

What is S8 Sinus Implant used for?

S8 Sinus Implant is indicated for Treatment of chronic sinusitis, Treatment of nasal polyps.

Who makes S8 Sinus Implant?

S8 Sinus Implant is developed by Intersect ENT (see full Intersect ENT pipeline at /company/intersect-ent).

Is S8 Sinus Implant also known as anything else?

S8 Sinus Implant is also known as SINUVA (mometasone furoate) sinus implant.

What drug class is S8 Sinus Implant in?

S8 Sinus Implant belongs to the Corticosteroid class. See all Corticosteroid drugs at /class/corticosteroid.

What development phase is S8 Sinus Implant in?

S8 Sinus Implant is in Phase 3.

What are the side effects of S8 Sinus Implant?

Common side effects of S8 Sinus Implant include Nasal discomfort, Nasal bleeding, Headache.

Related

Primary sources · FDA · ClinicalTrials.gov · EMA · SEC EDGAR · ChEMBL · Wikidata · full sourcing