Clinical trial registry record

A Safety Study of KHK4951 in Healthy Volunteers and Patients With Wet Age-Related Macular Degeneration

A registered PHASE1 study indexed because it matched monitored longevity research terms. Registry status: Terminated. Registration does not establish safety or effectiveness.

Plain-language guide

Five questions to ask about this record

What this is
A clinical study registration, not a result or recommendation.
Why it may matter
The registry currently reports Terminated.
Evidence
Registered phase 1 study.
Main limitation
Registration does not prove that the intervention works, is safe, or is available to you.
What changed
Registry metadata was last updated May 18, 2023.
Where to verify
Open the primary registry below for eligibility, locations, contacts, and current status.
Registry ID
NCT04594681
Last registry update
May 18, 2023
Status
Terminated
Phase
Phase 1
Sponsor
Kyowa Kirin Co., Ltd.
Enrollment
116
Countries
Japan
Match confidence
100%
Source feed
ClinicalTrials.gov
Automated source synopsis

A registered PHASE1 study indexed because it matched monitored longevity research terms. Registry status: Terminated. Registration does not establish safety or effectiveness.

Evidence snapshot

What the source actually supports

Evidence stage
Phase 1
Study design
RANDOMIZED · SEQUENTIAL · TREATMENT · QUADRUPLE
Evidence population
Human clinical study registration
Participants
116
Population
ALL · 20 Years
Duration
2020-09-16 to 2022-08-26
Intervention
Placebo; KHK4951
Comparator
Placebo
Outcomes measured
Number of participants with adverse events — Day 1 to Day 43; Serum KHK4951 concentration — Healthy Volunteers: Day 1, Day2, Day4, Day8, Day12, Day16, Day21, Day23, Day 25, Day 29,…; Time to the maximum concentration — Day 1 to Day 43; The maximum concentration — Day 1 to Day 43; Area under the concentration-time curve — Day 1 to Day 43; Apparent clearance — Day 1 to Day 43; Elimination half-life — Day 1 to Day 43
Reported result
No reusable finding-level result is available in this record.

Main limitationThis is a study registration. No reusable structured result is available here, so it cannot show whether the intervention worked or was safe.

Safety and approvalEligibility, adverse-event details, and clinical decisions must be checked in the official registry and with qualified clinicians. Trial registration is not regulatory approval and does not establish that an intervention is available.

Source supportStructured registry protocol metadata; no finding-level conclusion is generated.

Trial stage · Phase 1A trial phase describes development stage; it does not establish a positive result.
Phase 1Phase 2Phase 3Phase 4

Registration and recruitment status do not establish safety, efficacy, or regulatory approval.

Why this record appears here · 100% topic match

The title, summary, or source keywords matched one or more topics followed by immortal.life. A higher percentage means a stronger topic match; it does not rate safety, effectiveness, or study quality.

  • Vision ageing · 100%Title contains controlled term: age-related macular degeneration. Abstract contains controlled term: age-related macular degeneration. Source terminology contains: age-related macular degeneration. Title supplies longevity context: age-related. Study type is explicitly identified as INTERVENTIONAL.

Automated source check 100% · update recency 50%. These figures help sort records; they are not medical ratings.