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Actemra +MTX

Zhejiang Hisun Pharmaceutical Co. Ltd. · Phase 3 active Small molecule

Actemra +MTX is a IL-6 receptor antagonist (monoclonal antibody) Small molecule drug developed by Zhejiang Hisun Pharmaceutical Co. Ltd.. It is currently in Phase 3 development for Rheumatoid arthritis (moderate to severe, in combination with methotrexate).

Actemra (tocilizumab) is an IL-6 receptor antagonist that blocks interleukin-6 signaling to reduce inflammatory responses, used in combination with methotrexate (MTX) for rheumatoid arthritis.

Actemra (tocilizumab) is an IL-6 receptor antagonist that blocks interleukin-6 signaling to reduce inflammatory responses, used in combination with methotrexate (MTX) for rheumatoid arthritis. Used for Rheumatoid arthritis (moderate to severe, in combination with methotrexate).

Likelihood of approval
59.3% 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).
  • Immunology slight uplift +1.0pp
    Mature endpoint landscape (ACR, DAS28, PASI) makes immunology approvals slightly more predictable.
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 nameActemra +MTX
SponsorZhejiang Hisun Pharmaceutical Co. Ltd.
Drug classIL-6 receptor antagonist (monoclonal antibody)
TargetIL-6 receptor (IL-6R)
ModalitySmall molecule
Therapeutic areaImmunology
PhasePhase 3

Mechanism of action

Tocilizumab binds to both soluble and membrane-bound IL-6 receptors, inhibiting IL-6-mediated signaling which is a key driver of inflammation in rheumatoid arthritis. By blocking this pathway, it reduces production of inflammatory cytokines and adhesion molecules. The combination with methotrexate enhances efficacy through complementary immunosuppressive mechanisms.

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 Actemra +MTX

What is Actemra +MTX?

Actemra +MTX is a IL-6 receptor antagonist (monoclonal antibody) drug developed by Zhejiang Hisun Pharmaceutical Co. Ltd., indicated for Rheumatoid arthritis (moderate to severe, in combination with methotrexate).

How does Actemra +MTX work?

Actemra (tocilizumab) is an IL-6 receptor antagonist that blocks interleukin-6 signaling to reduce inflammatory responses, used in combination with methotrexate (MTX) for rheumatoid arthritis.

What is Actemra +MTX used for?

Actemra +MTX is indicated for Rheumatoid arthritis (moderate to severe, in combination with methotrexate).

Who makes Actemra +MTX?

Actemra +MTX is developed by Zhejiang Hisun Pharmaceutical Co. Ltd. (see full Zhejiang Hisun Pharmaceutical Co. Ltd. pipeline at /company/zhejiang-hisun-pharmaceutical-co-ltd).

What drug class is Actemra +MTX in?

Actemra +MTX belongs to the IL-6 receptor antagonist (monoclonal antibody) class. See all IL-6 receptor antagonist (monoclonal antibody) drugs at /class/il-6-receptor-antagonist-monoclonal-antibody.

What development phase is Actemra +MTX in?

Actemra +MTX is in Phase 3.

What are the side effects of Actemra +MTX?

Common side effects of Actemra +MTX include Infection (including serious infections), Elevated liver enzymes (ALT/AST), Neutropenia, Hyperlipidemia, Injection site reactions, Upper respiratory tract infection.

What does Actemra +MTX target?

Actemra +MTX targets IL-6 receptor (IL-6R) and is a IL-6 receptor antagonist (monoclonal antibody).

Related

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