# Single Ascending Dose of ASP3772 Study in Japanese Healthy Male and Female Adults, and Single Ascending Dose Study of ASP3772 in Comparison With PPSV23 in Japanese Elderly Male and Female Subjects

> **NCT04265911** · PHASE1 · COMPLETED · sponsor: **Affinivax, Inc.** · enrollment: 126 (actual)

## Conditions studied

- Healthy Volunteers

## Interventions

- **BIOLOGICAL:** ASP3772 (subcutaneous)
- **BIOLOGICAL:** ASP3772 (intramuscular)
- **BIOLOGICAL:** PPSV23 (subcutaneous)
- **BIOLOGICAL:** PPSV23 (intramuscular)

## Key facts

- **NCT ID:** NCT04265911
- **Lead sponsor:** Affinivax, Inc.
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2020-02-19
- **Primary completion:** 2020-11-07
- **Final completion:** 2020-11-07
- **Target enrollment:** 126 (ACTUAL)
- **Last updated:** 2022-05-02


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04265911

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04265911, "Single Ascending Dose of ASP3772 Study in Japanese Healthy Male and Female Adults, and Single Ascending Dose Study of ASP3772 in Comparison With PPSV23 in Japanese Elderly Male and Female Subjects". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT04265911. Licensed CC0.

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