> Trialight public data. Index of pages: https://trialight.com/llms.txt
> Web page: https://trialight.com/data/trial/phase-i-trial-of-envafolimab-for-healthy-male-subjects-8ffb2150-5353-4fb3-88ab-56f6f0d2e062
> Record changed: 2026-10-13

# Phase I Trial of Envafolimab for Healthy Male Subjects

NCT05849311

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05849311)

Phase

Phase 1

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05849311)

Recruitment status

Completed

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05849311)

Participants

160

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05849311)

Lead sponsor

3D Medicines (Sichuan) Co., Ltd.

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05849311)

Start date

2023-05-29

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05849311)

Number of sites

1

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05849311)

## Title and summary

**Summary**

The purpose of this study is to evaluate the pharmacokinetic similarity, safety, and immunogenicity of Envafolimab in healthy male subjects before and after the manufacturing process change.

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05849311)

**Short title**

Phase I Trial of Envafolimab for Healthy Male Subjects

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05849311)

**Official title**

A Randomized, Double-blind, Single-dose, Parallel Controlled Phase I Study to Evaluate the Pharmacokinetics, Safety, and Immunogenicity of Envafolimab in Healthy Male Subjects Before and After the Manufacturing Process Change

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05849311)

## Status and phase

**Control arm**

Active comparator

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05849311)

**Registry reports results**

No

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05849311)

**Listing at source**

Listed

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05849311)

**Recruitment status**

Completed

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05849311)

**Phase**

Phase 1

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05849311)

**Study type**

Interventional

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05849311)

## Dates

**Completion date**

2023-11-20

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05849311)

**First posted**

2023-05-08

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05849311)

**Registry last updated**

2024-08-14

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05849311)

**Primary completion date**

2023-11-15

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05849311)

**Start date**

2023-05-29

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05849311)

## Size and sites

**Actual participants**

160

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05849311)

**Participants**

160

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05849311)

**Participant count basis**

Actual

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05849311)

**Protocol amendments**

1

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05849311)

**Number of sites**

1

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05849311)

## Sponsor and oversight

**Data monitoring committee**

No

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05849311)

**Registry sponsor category**

Industry

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05849311)

**Lead sponsor**

3D Medicines (Sichuan) Co., Ltd.

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05849311)

**Source registry**

ClinicalTrials.gov

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05849311)

## Identifiers

**Registry ID**

NCT05849311

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05849311)

**ClinicalTrials.gov ID**

NCT05849311

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05849311)

**Registry record**

Open registry record

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05849311)

## Study design

**Allocation**

Randomised

**Model**

Parallel groups

**Purpose**

Other

**Masking**

Quadruple masking

**Masked roles**

Participants, Care providers, Investigators, Outcome assessors

Sources for study design

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05849311)

## Outcomes

### Primary outcomes

1. AUC0-t  
Timeframe: From pre-dose to day 85  
Area under the plasma concentration-time curve
2. Cmax  
Timeframe: From pre-dose to day 85  
concentration

### Secondary outcomes

1. AUC0-infinity  
Timeframe: From pre-dose to day 85  
Area under the plasma concentration-time curve
2. Tmax  
Timeframe: From pre-dose to day 85  
Time to maximum concentration
3. CL  
Timeframe: From pre-dose to day 85  
Clearance
4. λz  
Timeframe: From pre-dose to day 85  
Apparent terminal elimination rate constant
5. t1/2  
Timeframe: From pre-dose to day 85  
Half-life (
6. Vd  
Timeframe: From pre-dose to day 85  
Volume of distribution
7. Safety and tolerance  
Timeframe: From pre-dose to day 85  
Adverse events (AE)
8. Immunogenicity assessment  
Timeframe: From pre-dose to day 85  
Anti-drug Antibody (ADA)

Sources for outcomes

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05849311)

## Eligibility

**Sex**

Male

**Age groups**

Adults

**Minimum age**

18 Years

**Maximum age**

45 Years

**Healthy volunteers**

Yes

### Inclusion criteria

1. Be able to fully read, understand, and sign the informed consent form;
2. Male subjects aged 18-45 years
3. Clinical examinations in the screening period are normal or abnormal without clinical significance;
4. A body mass index (BMI) in the range of 19 to 26 kg/m22, and a body weight between 50 and 85 kg;
5. Use effective contraceptive methods from the beginning of the informed consent to 5 months after the use of the drug, and have no plans to give birth or donate sperm.

### Exclusion criteria

1. Systolic blood pressure ≥140 mmHg/ diastolic blood pressure ≥90 mmHg or systolic blood pressure < 90 mmHg/ diastolic blood pressure < 60 mmHg, pulse > 100 beats /min or < 50 beats /min at screening or baseline examination;
2. QT interval (QTcF) ≥450;
3. Estimated glomerular filtration rate eGFR < 90 ml/min/1.73m2;
4. Thyroid function beyond the normal range;
5. ALT > ULN Or AST > ULN;
6. Prior treatment with a PD-1/L1 inhibitor;
7. Have taken any prescription drug, over-the-counter drug, any vitamin product or herbal or health product within 14 days prior to study drug administration;
8. Had a history of upper respiratory tract infection or other acute infection within 14 days prior to study drug administration;
9. Positive hepatitis B surface antigen, hepatitis C antibody, or human immunodeficiency virus antibody or syphilis.

Sources for eligibility

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05849311)

## Sites

- Beijing Gaobo Boren HosipitalBeijing, China

Sources for sites

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05849311)

## Related records

### Drugs (1)

- [Envafolimab](https://trialight.com/data/asset/envafolimab-067ce798-3523-4c36-9d89-3452238113d3.md)

### Lead sponsors (1)

- [3D Medicines (Sichuan) Co., Ltd.](https://trialight.com/data/company/3d-medicines-sichuan-co-ltd-3a80dd0e-0b05-4d93-bd9e-ab835f627b5f.md)

### Targets (1)

- [CD274](https://trialight.com/data/target/cd274-67467e37-9325-584a-be55-e3ef69f22b4c.md)

---

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