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Risperidone, LAI

Janssen Research & Development, LLC · Phase 1 active Small molecule ✓ Verified May 2026

Risperidone, LAI is a Small molecule drug developed by Janssen Research & Development, LLC. It is currently in Phase 1 development. Also known as: RISPERDAL®.

Risperidone Long Acting Injectable (LAI) is a medication used to treat conditions such as bipolar disorder, schizophrenia, and schizoaffective disorder, as well as prevent relapse in schizophrenia. It works by acting as a serotonin 2a (5-HT2a) receptor antagonist, a type of small molecule that blocks the action of serotonin at this receptor.

Likelihood of approval
12.6% vs 9.6% industry baseline
If approved by FDA: likely 2033–2036
Steps remaining: Phase 2 → Phase 3 → NDA/BLA submission
Confidence: Medium
Why this estimate
  • Baseline phase 1 → approval rate +9.6pp
    Industry-wide phase 1 drugs reach approval ~9.6% of the time (BIO/Informa 2023 industry benchmark across all therapeutic areas).
  • Big-pharma sponsor +3.0pp
    Janssen Research & Development, LLC is a top-20 pharma sponsor — historical approval rates run ~3pp above average due to scale, regulatory experience, and trial-design quality.
Predicted approval windows by jurisdiction (conditional on FDA approval)
Regulator Country Likely year Lag vs FDA
FDA US 2033–2036
EMA EU 2034–2037 +0.7 yr
MHRA GB 2034–2037 +0.7 yr
Health Canada CA 2034–2038 +0.9 yr
TGA AU 2034–2038 +1.2 yr
PMDA JP 2034–2038 +1.5 yr
NMPA CN 2035–2039 +2.3 yr
MFDS KR 2034–2038 +1.4 yr
CDSCO IN 2034–2039 +1.8 yr
ANVISA BR 2035–2039 +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 nameRisperidone, LAI
Also known asRISPERDAL®
SponsorJanssen Research & Development, LLC
ModalitySmall molecule
PhasePhase 1

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 Risperidone, LAI

What is Risperidone, LAI?

Risperidone, LAI is a Small molecule drug developed by Janssen Research & Development, LLC.

Who makes Risperidone, LAI?

Risperidone, LAI is developed by Janssen Research & Development, LLC (see full Janssen Research & Development, LLC pipeline at /company/johnson-johnson).

Is Risperidone, LAI also known as anything else?

Risperidone, LAI is also known as RISPERDAL®.

What development phase is Risperidone, LAI in?

Risperidone, LAI is in Phase 1.

Related

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