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TQA3605 tablets plus NAs

Chia Tai Tianqing Pharmaceutical Group Co., Ltd. · Phase 2 active Small molecule ✓ Verified May 2026

TQA3605 tablets plus NAs is a Small molecule drug developed by Chia Tai Tianqing Pharmaceutical Group Co., Ltd.. It is currently in Phase 2 development.

TQA3605 tablets are a small molecule being studied as a potential treatment for Chronic Hepatitis B and HBV Infection With Lamivudine (LLV) resistance. They are being investigated as a monotherapy or in combination with Nucleoside (Acid) Analogues (NAs) in clinical trials.

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 nameTQA3605 tablets plus NAs
SponsorChia Tai Tianqing Pharmaceutical Group Co., Ltd.
ModalitySmall molecule
PhasePhase 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.

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 TQA3605 tablets plus NAs

What is TQA3605 tablets plus NAs?

TQA3605 tablets plus NAs is a Small molecule drug developed by Chia Tai Tianqing Pharmaceutical Group Co., Ltd..

Who makes TQA3605 tablets plus NAs?

TQA3605 tablets plus NAs is developed by Chia Tai Tianqing Pharmaceutical Group Co., Ltd. (see full Chia Tai Tianqing Pharmaceutical Group Co., Ltd. pipeline at /company/chia-tai-tianqing-pharmaceutical-group-co-ltd).

What development phase is TQA3605 tablets plus NAs in?

TQA3605 tablets plus NAs is in Phase 2.

Related

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