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In-Vivo Science Inc.

Table of Contents
Table of Contents

In-Vivo Science Inc. is a non-clinical research organization (CRO) that provides in vivo efficacy studies using humanized mice and other disease models. The company provides comprehensive support ranging from breeding animals to data analysis, assisting pharma sector from basic discovery to clinical application.

Features of In-Vivo Science Inc.’s Non-Clinical Study

Advanced Disease Models and Imaging-Based Efficacy Evaluation

In-Vivo Science Inc. offers drug efficacy study in mice and rats. They have many models available in oncology, cardiovascular, and inflammatory disorders.
In cardiovascular models, they perform non-invasive cardiac function analyses using MRI. This enables precise and quantitative evaluation of therapeutic candidate compounds. By combining disease models with advanced imaging analysis technology, they ensure high accuracy and reliability throughout their service.

Humanized Models with Immuno-deficient Mice (NOG)

In-Vivo Science Inc. offers humanized mice models with immuno-deficient NOG mice. These mice, reconstituted with human immune cells, are used for preclinical assessment of immunotherapies and other advanced treatments.

The platform supports preclinical testing of immunotherapies such as PD-1 inhibitors and CAR-T cell therapies. Because human immune responses can be reproduced in vivo, these models allow drug efficacy to be verified under similar conditions as clinical patients.

Integrated In Vivo Study Platform in Wide Range of Diseases

In-Vivo Science Inc. provides many animal models suitable for diverse diseases. They offer end-to-end service throughout the whole processe—from animal housing and administration support through observation and data analysis. All studies are performed in-house, allowing seamless support from model selecting, study designing, in -life study to data delivery.

The company’s advantage is in their broad capability to handle various research areas, including oncology, cardiovascular diseases, and arthritis.

Examples of Disease Models available at In-Vivo Science Inc.

Human Disease Models Using NOG Mice

In-Vivo Science Inc. provides many advanced human disease models with NOG mice, which exhibit a high level of immuno-deficiency and are well-suited for transplanting human cells and tissues.

These models can reproduce human diseases such as cancer and immune disorders, allowing both efficacy and safety evaluations.

This model can also be applied to PDX (Patient-Derived Xenograft) study with patient-derived cells and tissues. It provides highly clinically relevant preclinical platform.

Reference: https://www.invivoscience.com/nog_mouse.html

In-Vivo Science Inc.’s Non-Clinical Case Studies

Evaluation of Drug Metabolism and Toxicity in Hu-liver TK-NOG Mice

This model—created by transplanting human hepatocytes into severely immuno-deficient TK-NOG mice—reconstructs a functional human liver.

Serum proteins( human albumin and human C3) are synthesized, and hepatic metabolic enzymes (e.g., CYP3A4) are expressed at donor-equivalent levels.

This enables high-precision evaluation of human drug metabolism, pharmacokinetics, and safety (toxicity).

Reference: https://www.invivoscience.com/tk-nog_mouse.html

Company Information

Address3F, No.44 Kowa Building, 1-2-7 Higashiyama, Meguro-ku, Tokyo, Japan
Tel044-201-8518
Websitehttps://www.invivoscience.com/
3 Recommended Contract Research Organizations for Non-Clinical Studies
— by Target goal and Expertise

In drug discovery, the quality and efficiency of non-clinical studies have a direct impact on clinical success rates, development costs, and overall length of time required in R&D. In recent years, there has been more demand for clinically relevant data, globally accepted reliability, and accurate early-stage screening. Thus, it is more important than ever to select the right CRO (Contract Research Organization) for strategic approach.
In this article, we highlight three CROs with proven technical capabilities, expertise, and long standing track records. These are our TOP 3 choices based on their capabilities and the specific target goals of the researchers for their non-clinical studies.

Pharmacology (Efficacy) Studies
Replicate unknown pathological models and
Discovery to clinically oriented drug evaluation
SMC Laboratories, Inc.
SMC Laboratories, Inc.
Reference: SMC Laboratories, Inc. official website (https://www.smccro-lab.com/jp/)
  • SMC Laboratories, Inc. has established a disease models using patented mouse technologies. The company has established proprietary pathological models—particularly in liver disease and fibrosis—and continues to expand their approach across a wide range of models in cancer, inflammation, and metabolic diseases.
  • From exploratory research to clinically oriented efficacy evaluation, SMC offers customized study designs, dosing strategies, and evaluation analysis tailored to each project. Their collaborative approachallows researchers to discuss and refine study plans together with SMC’s expert scientists.

  • With flexible small-scale study options and strong technical support, SMC Laboratories, Inc. is an ideal partner for start-ups, biotech ventures, and academic institutions alike.
Safety Studies
Comprehensive Safety Evaluation for FIH Applications
Labcorp Holdings Inc.
(Labcorp Drug Development)
Labcorp Holdings Inc.
Reference: Labcorp Holdings Inc. official website (https://jp.labcorp.com/)
  • Labcorp Holdings Inc. provides a fully integrated GLP testing system aligned with international regulatory standards, including FDA, EMA, and PMDA requirements. All studies are conducted under ICH-compliant quality assurance, making it ready for data submission.
  • The company has extensive expertise in long-term toxicity studies such as Segment I–III reproductive and carcinogenicity studies, as well as 2-year chronic toxicity assessments.
  • Labcorp Holdings Inc.’s comprehensive approach enables sponsors to efficiently outsource the entire preclinical package from toxicology, toxicokinetic (TK), and safety pharmacology study design to execution. This accelerates a path to First-in-Human (FIH) trials. For most of the global drug developers, this all-in-one service structure minimizes cost, risk, and expedite the time before advancing to clinical phase.
Pharmacokinetic (PK/PD) Studies
High-Precision Bioanalysis for Clinically Predictive PK/PD Evaluation
PhoenixBio Co., Ltd.
PhoenixBio Co., Ltd.
Source: PhoenixBio Co., Ltd. Official Website (https://phoenixbio.co.jp/)
  • PhoenixBio Co., Ltd.offers pharmacokinetic and hepatic metabolism studies using their proprietary PXB-mouse®, a humanized-liver chimeric mouse model. This platform enables the acquisition of data with high clinical correlation in ADME, drug–to-drug interaction studies, bridging the gap between preclinical and clinical stages.
  • With advanced LC-MS/MS-based bioanalysis, PhoenixBio Co., Ltd. provides aseamless workflow from plasma concentration measurement and metabolite identification to quantitative validation.

  • The company offersan integrated evaluation analysiscovering pharmacokinetics, hepatotoxicity, and safety with flexibility to accommodate complex modalities such as oligonucleotide and middle-molecule therapeutics. For compounds where hepatic metabolism is a development bottleneck—or where quantitative, reproducible exposure data are critical—PhoenixBio Co., Ltd. delivers unmatched analytical precision and consistency.

By region
list of animal models
Expertise & Track Record
3 Recommended Contract Non-Clinical Testing Services