Last reviewed 2026-05-30 · How we verify

TAT4 Gel

Topokine Therapeutics, Inc. · Phase 2 active Small molecule ✓ Verified May 2026

TAT4 Gel is a Small molecule drug developed by Topokine Therapeutics, Inc.. It is currently in Phase 2 development.

TAT4 Gel is a topical treatment being studied for the conditions of Nasolabial Folds, Lipoatrophy, and Lipodystrophy. The exact mechanism of TAT4 Gel is unknown, but it is a gel formulation of aluminum carbonate.

Likelihood of approval

15.3% vs 15.3% industry baseline

If approved by FDA: likely 2031–2034

Steps remaining: Phase 3 → NDA/BLA submission

Confidence: Medium

Why this estimate

Baseline phase 2 → approval rate +15.3pp
Industry-wide phase 2 drugs reach approval ~15.3% 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	2031–2034	—
EMA	EU	2032–2035	+0.7 yr
MHRA	GB	2032–2035	+0.7 yr
Health Canada	CA	2032–2036	+0.9 yr
TGA	AU	2032–2036	+1.2 yr
PMDA	JP	2032–2036	+1.5 yr
NMPA	CN	2033–2037	+2.3 yr
MFDS	KR	2032–2036	+1.4 yr
CDSCO	IN	2032–2037	+1.8 yr
ANVISA	BR	2033–2037	+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 name	TAT4 Gel
Sponsor	Topokine Therapeutics, Inc.
Modality	Small molecule
Phase	Phase 2

Approved indications

No approved indications tracked.

Common side effects

No common side effects on file.

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.

Source	Used for
ClinicalTrials.gov	Trial 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:

TAT4 Gel CI brief — competitive landscape report
TAT4 Gel updates RSS · CI watch RSS
Topokine Therapeutics, Inc. portfolio CI

Frequently asked questions about TAT4 Gel

What is TAT4 Gel?

TAT4 Gel is a Small molecule drug developed by Topokine Therapeutics, Inc..

Who makes TAT4 Gel?

TAT4 Gel is developed by Topokine Therapeutics, Inc. (see full Topokine Therapeutics, Inc. pipeline at /company/topokine-therapeutics-inc).

What development phase is TAT4 Gel in?

TAT4 Gel is in Phase 2.

Manufacturer: Topokine Therapeutics, Inc. — full pipeline

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