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UBX0101

Phase 2

Knee Osteoarthritis | Small molecule | Musculoskeletal |Unity Biotechnology, Inc.|Last Updated: Dec 29, 2021

Development status

Highest phase Phase 2
Registered trials 3 across 1 sponsor since May 2018

Target and mechanism

Molecular targetp53/MDM2
Target classProtein
ModalitySmall molecule

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindCONTROLLED
Total Trials3
Total Enrollment296

FDA Designations

No designations recorded

Clinical trial landscape

UBX0101 · 3 trials · 2 indications

Phase 2 1Phase 1 2
NCT04129944A Study to Assess the Safety and Efficacy of a Single Dose of UBX0101 in Patients With Osteoarthritis of the KneeOsteoarthritis, Knee
COMPLETED183 Analytics
PHASE2COMPLETED
A Study to Assess the Safety and Efficacy of a Single Dose of UBX0101 in Patients With Osteoarthritis of the Knee
Osteoarthritis, KneeUnlock trial analytics

Study Endpoints

Primary Endpoints

Change From Baseline to Week 12 of the Western Ontario and McMaster Universities Osteoarthritis Index Pain Subscale (WOMAC-A) Score in Patients Receiving a Single Dose of UBX0101 Versus Those Receiving Placebo
Baseline to Week 12

WOMAC-A is assessed by a Likert scale on a range from 0 (none) to 4 (extreme), with higher scores indicating higher levels of pain

Safety and tolerability of a single and repeat dose intra-articular administration of UBX0101 evaluated by the incidence of serious and non-serious adverse events
Baseline to Week 24
Safety and tolerability of a single intra articular injection of UBX0101 evaluated by the incidence of serious and non-serious adverse events
12 weeks

Secondary Endpoints

Change From Baseline to Week 12 of the Western Ontario and McMaster Universities Osteoarthritis Index Function Subscale (WOMAC-C) Score in Patients Receiving a Single Dose of UBX0101 Versus Those Receiving Placebo
Baseline to Week 12
Change From Baseline to Week 12 of the Weekly Mean of the Average Daily Pain (ADP) Intensity Scores on the 11-point Numeric Rating Scale (NRS) in Patients Receiving a Single Dose of UBX0101 Versus Those Receiving Placebo
Baseline to Week 12
Change From Baseline (Over the Entire 24-week Period, Including Both the Primary Study Period and the 12-week Follow-up Period) to Week 24 for the WOMAC-A, NRS, and WOMAC-C Scores in Patients Receiving a Dose of UBX0101 Versus Those Receiving Placebo
Baseline to Week 24
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Study Design & Arms

AllocationRANDOMIZED
MaskingTRIPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
PlaceboPLACEBO_COMPARATOR -
UBX0101 0.5 mgEXPERIMENTAL -
UBX0101 2.0 mgEXPERIMENTAL -
UBX0101 4.0 mgEXPERIMENTAL -
UBX0101 single dose (SD)EXPERIMENTALCohort 1 (n=18): UBX0101 8.0 mg or placebo IA at Week 0 Patients will be randomized in a 2:1 ratio to UBX0101 and placebo
UBX0101 repeat dose (RD)EXPERIMENTALCohort 2 (n=18): UBX0101 4.0 mg or placebo IA at Weeks 0 and 4 Patients will be randomized in a 2:1 ratio to UBX0101 and placebo
Part A: UBX0101EXPERIMENTALPart A: UBX0101, single intra-articular injection, ascending dose
Part A: PlaceboPLACEBO_COMPARATORPart A: Placebo, single intra-articular injection, ascending dose
Part B: UBX0101EXPERIMENTALPart B: UBX0101, single intra-articular injection, fixed dose
Part B: PlaceboPLACEBO_COMPARATORPart B: Placebo, single intra-articular injection, fixed dose

Interventions

NameTypeDescription
UBX0101DRUGInvestigational drug intra-articular injection
PlaceboOTHERPlacebo intra-articular injection
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Eligibility Criteria

Age Range40 Years to 85 Years
SexALL
Healthy VolunteersNo
Study Sites20

Key Inclusion Criteria: * Patients who are ambulatory with a diagnosis of OA of the knee and who have baseline pain with a mean of ≥ 4 and ≤ 9 on the 11-point (0-10) average daily pain NRS for at least five of seven days during the Screening period. * Kellgren-Lawrence grade of 1-4 on a weight-bear...

Countries:United States
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Competitive Landscape -Osteoarthritis 115 trials (matched to "Knee Osteoarthritis")

Frequently asked questions about UBX0101

What is UBX0101 used for?

UBX0101 is being developed for the treatment of knee osteoarthritis, a degenerative joint condition. It is a small molecule administered to patients with osteoarthritis of the knee. Unity Biotechnology, Inc. is developing the drug, which has been studied in Phase 1 and Phase 2 clinical trials in the United States.

What does UBX0101 target?

UBX0101 targets the p53/MDM2 protein interaction. By acting on this molecular target, the small molecule is designed to interfere with the p53 and MDM2 pathway. This target class is a protein interaction, distinguishing UBX0101 from treatments that act on other biological pathways in knee osteoarthritis.

Who is developing UBX0101?

UBX0101 is being developed by Unity Biotechnology, Inc., which trades on the Nasdaq under the ticker UBX. The company has sponsored all three of the clinical trials conducted with UBX0101 to date, all of which enrolled patients with osteoarthritis of the knee in the United States.

What phase is UBX0101 in?

UBX0101 has completed Phase 2 clinical development. It is an investigational drug and has not been approved by the FDA. The Phase 2 study, NCT04129944, evaluated a single dose of UBX0101 in patients with osteoarthritis of the knee and has been completed.

What clinical trials is UBX0101 in?

UBX0101 has been studied in three completed clinical trials: NCT04229225, a Phase 1 study of single and repeat dose administration; NCT04129944, a Phase 2 safety and efficacy study of a single dose; and NCT03513016, a Phase 1 safety and tolerability study. Together these trials enrolled 296 patients with knee osteoarthritis.

How were the UBX0101 trials designed?

The UBX0101 clinical trials were randomized, double-blind, and controlled studies. All three trials, NCT04229225, NCT04129944, and NCT03513016, enrolled patients with knee osteoarthritis in the United States, with participants aged 40 years and older. Total enrollment across the completed trials was 296 patients.