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YOLT-203

Phase 1

Primary Hyperoxaluria Type 1 | Gene therapy | Rare Disease |cbdMD, Inc.|Last Updated: Aug 20, 2026

Success Probability

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Market & Valuation

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Trial Design

UNCONTROLLEDBiomarker
Total Trials1
Total Enrollment9

FDA Designations

No designations recorded

Clinical trial landscape

YOLT-203 · 1 trial · 2 indications

Phase 1 1
NCT07776626Phase I Exploratory Study of YOLT-203 in Patients With Primary Hyperoxaluria Type 1 (PH1)Primary Hyperoxaluria Type 1
RECRUITING9 Analytics
PHASE1RECRUITING
Phase I Exploratory Study of YOLT-203 in Patients With Primary Hyperoxaluria Type 1 (PH1)
Primary Hyperoxaluria Type 1Unlock trial analytics

Study Endpoints

Primary Endpoints

Incidence of adverse events (AEs) and serious adverse events (SAEs)
Baseline, Day 1, Day 2, Day 3, Week 2, Week 4, Week 8, Week 16, Week 24, Week 52

To evaluate safety and tolerability by assessing the incidence and severity of adverse events (AEs) and serious adverse events (SAEs) after single intravenous infusion of YOLT-203 in Chinese patients with primary hyperoxaluria type 1 (PH1).

Secondary Endpoints

Maximum observed plasma concentration (Cmax) of PK
Day 1 through Week 4 after study drug administration
Pharmacodynamic (PD) characteristics following single intravenous administration of YOLT-203 in Chinese patients with primary hyperoxaluria type 1 (PH1)
Baseline to Week 52 post study drug administration
Change in estimated glomerular filtration rate (eGFR)
Screening, Baseline, Day 1, Day 2, Day 3, Week 2, Week4, Week8 ,Week 16, Week 24, Week 52
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Study Design & Arms

AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
YOLT-203 Treatment GroupEXPERIMENTALSingle intravenous infusion of YOLT-203 is administered to enrolled subjects, with a total planned enrollment of 3 to 9 patients. For pediatric subjects aged ≥6 years and \<18 years old, two weight-based dose cohorts are designed: 0.45 mg/kg (maximum capped dose of 35 mg) and 0.6 mg/kg (maximum capped dose of 45 mg). For adult subjects aged ≥18 years old, two fixed-dose cohorts are adopted at 35 mg and 45 mg respectively.

Interventions

NameTypeDescription
YOLT-203GENETICYOLT-203 is an investigational gene editing therapy being evaluated for the treatment of Primary Hyperoxaluria Type 1 (PH1). It is administered via intravenous infusion over a period of 1 hour.
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Eligibility Criteria

Age Range6 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites1

Inclusion Criteria: Subjects must meet ALL of the following criteria to be eligible for participation in this study: Age ≥ 6 years at the time of signing the informed consent form. Documented confirmation of Primary Hyperoxaluria Type 1 (PH1) diagnosis via genetic analysis prior to enrollment. Me...

Countries:China
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Frequently asked questions about YOLT-203

What is YOLT-203 used for?

YOLT-203 is an investigational gene therapy being developed for Primary Hyperoxaluria Type 1 (PH1), a rare inherited metabolic disorder. It is currently in Phase 1 clinical development and has not been approved by regulatory authorities. The therapy is designed to address the underlying genetic cause of PH1.

Who is developing YOLT-203?

YOLT-203 is being developed by cbdMD, Inc., a company publicly traded under the ticker symbol YCBD. The company is conducting a Phase 1 exploratory study of YOLT-203 in patients with Primary Hyperoxaluria Type 1.

What phase is YOLT-203 in?

YOLT-203 is in Phase 1 clinical development. It is an investigational gene therapy and has not yet received regulatory approval. The ongoing Phase 1 study is currently recruiting participants with Primary Hyperoxaluria Type 1.

What clinical trials is YOLT-203 in?

YOLT-203 is being evaluated in a Phase 1 exploratory study with the identifier NCT07776626. This open-label, uncontrolled trial is recruiting approximately 9 patients with Primary Hyperoxaluria Type 1 in China. The study is currently active and recruiting participants aged 6 years and older.

Is YOLT-203 a gene therapy?

Yes, YOLT-203 is a gene therapy being developed for Primary Hyperoxaluria Type 1. It is currently in Phase 1 clinical trials and is considered investigational. The therapy is being studied in a small, uncontrolled trial to assess its safety and potential efficacy.