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A Study to Evaluate the Safety, Tolerability and Pharmacokinetics of PTT-121

A Phase I, Single-Center, Randomized, Double-Blind, Placebo-Controlled Study to Evaluate the Safety, Tolerability, and Pharmacokinetics of Intravenously Administered PTT-121 After Single and Multiple Ascending Doses in Healthy Chinese Subjects

Status
Not yet recruiting
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT07768176
Enrollment
84
Registered
2026-08-17
Start date
2026-08-31
Completion date
2028-02-28
Last updated
2026-08-17

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy Vollunteer

Brief summary

This is a Phase I, single-center, randomized, double-blind, placebo-controlled SAD/MAD study to evaluate safety, tolerability, and PK of Intravenously Administered PTT-121 in healthy Chinese adults.

Interventions

DRUGPTT-121

PTT-121 will be administered intravenously

DRUGPTT-121 placebo

Matching placebo identical to PTT-121 formulation but without the active pharmaceutical ingredient

Sponsors

Pyrotech Therapeutics, Inc.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender
ALL
Age
18 Years to 55 Years
Healthy volunteers
Yes

Inclusion criteria

* Healthy adults aged between 18 and 55 years. * BMI 18.0-26.0. * Those who are adequate to be subjects in this study upon judgment of the investigator after physical examination, clinical laboratory test, examination, etc.

Exclusion criteria

* History of any clinically significant disease or disorder of the cardiovascular, respiratory, gastrointestinal, genitourinary, hematologic/lymphatic, neurologic, reproductive, psychiatric, endocrine, immunologic, musculoskeletal, breast, ear, ocular, thyroid, neoplastic, metabolic, or dermatologic systems, as determined by the Investigator. * History of hypersensitivity to the active ingredient of the investigational product, any of its excipients, or related compounds; or a history of severe drug-induced allergic reactions, including but not limited to angioedema and bronchospasm/asthma.

Design outcomes

Primary

MeasureTime frame
Number of Participants With Treatment-emergent Adverse EventsSAD: up to 15 days MAD: up to 21 days

Secondary

MeasureTime frameDescription
Pharmacokinetics of PTT-121SAD: up to 2 days MAD: up to 7 daysThe drug concentrations of PTT-121will be determined at multiple time points after drug administration.

Countries

China

Contacts

CONTACTRan Wei
ran.wei@pyrotech.com+86 10 81938094

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Aug 18, 2026