> Trialight public data. Index of pages: https://trialight.com/llms.txt
> Web page: https://trialight.com/data/trial/avt03-with-xgeva-in-healthy-male-subjects-628e0b41-bcb9-4b84-817f-7ae193bd1445
> Record changed: 2026-10-13

# AVT03 With Xgeva in Healthy Male Subjects

NCT05876949

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05876949)

Phase

Phase 1

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05876949)

Recruitment status

Completed

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05876949)

Participants

208

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05876949)

Lead sponsor

Alvotech Swiss AG

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05876949)

Start date

2023-07-21

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05876949)

Number of sites

3

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05876949)

## Title and summary

**Summary**

This study has been designed as a randomized, double-blind, parallel-group study and in healthy adult male subjects of age 28 years to 55 years old. The study will assess the PK, safety and tolerability of AVT03 compared to US-Xgeva when administered as a single 120 mg SC dose

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05876949)

**Short title**

AVT03 With Xgeva in Healthy Male Subjects

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05876949)

**Official title**

A Randomized, Double-blind, Parallel Design, Single Dose, 2-arm Study Comparing the Pharmacokinetic, Safety and Immunogenicity Profiles of AVT03 and US-Xgeva® in Healthy Male Subjects

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05876949)

## Status and phase

**Control arm**

Active comparator

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05876949)

**Registry reports results**

Yes

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05876949)

**Listing at source**

Listed

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05876949)

**Recruitment status**

Completed

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05876949)

**Phase**

Phase 1

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05876949)

**Study type**

Interventional

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05876949)

## Dates

**Completion date**

2024-04-15

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05876949)

**First posted**

2023-05-26

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05876949)

**Registry last updated**

2025-05-15

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05876949)

**Primary completion date**

2024-04-15

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05876949)

**Start date**

2023-07-21

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05876949)

## Size and sites

**Actual participants**

208

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05876949)

**Participants**

208

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05876949)

**Participant count basis**

Actual

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05876949)

**Protocol amendments**

4

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05876949)

**Number of sites**

3

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05876949)

## Sponsor and oversight

**Data monitoring committee**

No

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05876949)

**Registry sponsor category**

Industry

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05876949)

**Lead sponsor**

Alvotech Swiss AG

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05876949)

**Source registry**

ClinicalTrials.gov

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05876949)

## Identifiers

**Registry ID**

NCT05876949

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05876949)

**ClinicalTrials.gov ID**

NCT05876949

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05876949)

**Registry record**

Open registry record

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05876949)

## Study design

**Allocation**

Randomised

**Model**

Parallel groups

**Purpose**

Other

**Masking**

Quadruple masking

**Masking description**

Double Blind

**Masked roles**

Participants, Care providers, Investigators, Outcome assessors

Sources for study design

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05876949)

## Outcomes

### Primary outcomes

1. Co-primary PK Endpoint Cmax: Maximum Serum Concentration  
Timeframe: Day 1 (pre-dose, 8h and 12h post-dose), Day 2 to Day 13 (daily), Day 15, Day 18, Day 22, Day 25, Day 29, Day 43, Day 57, Day 71, Day 85, Day 99, Day 112, Day 126, Day 141, Day 162 and Day 196 (week 28) / End of study  
Samples will be collected for measurement
2. Co-primary PK endpoint\_AUC0-t: Area Under the Serum Concentration-time Curve up to Time t, Where t is the Last Time Point With a Concentration Above the Lower Limit of Quantitation  
Timeframe: Day 1 (pre-dose, 8h and 12h post-dose), Day 2 to Day 13 (daily), Day 15, Day 18, Day 22, Day 25, Day 29, Day 43, Day 57, Day 71, Day 85, Day 99, Day 112, Day 126, Day 141, Day 162 and Day 196 (week 28) / End of study  
Samples will be collected for measurement

### Secondary outcomes

1. PK\_ AUC0-inf: Comprised of AUC0-t and AUC Extrapolated From Time t to Time Infinity.  
Timeframe: Day 1 (pre-dose, 8h and 12h post-dose), Day 2 to Day 13 (daily), Day 15, Day 18, Day 22, Day 25, Day 29, Day 43, Day 57, Day 71, Day 85, Day 99, Day 112, Day 126, Day 141, Day 162 and Day 196 (week 28) / End of study  
Samples will be collected for measurement
2. Safety Incidence, Nature and Severity of Adverse Events.  
Timeframe: Day 1(week 1) to Day 196 (week 28)\]
3. Immunogenicity Presence of ADAs and Presence of nAbs Against AVT03 and Xgeva  
Timeframe: Day 1, Day 8, Day 15, Day 29, Day 57, Day 71, Day 112, Day 141, Day 196/EoS  
Samples will be collected for measurement

Sources for outcomes

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05876949)

## Eligibility

**Sex**

Male

**Age groups**

Adults

**Minimum age**

28 Years

**Maximum age**

55 Years

**Healthy volunteers**

Yes

### Inclusion criteria

1. Capable of giving signed informed consent, which includes compliance with the requirements and restrictions listed in the informed consent form (ICF) and in this protocol.
2. Male subjects who are 28 to 55 years old, inclusive, at the time of signing the ICF.
3. Have a body weight of 50.0 to 90.0 kg (inclusive) and body mass index of 17.0 to 32 kg/m2 at Screening and Day -1.

### Exclusion criteria

1. Evidence of clinically relevant pathology, especially prior diagnosis of bone disease, or any uncontrolled condition that will affect bone metabolism such as, but not limited to: osteoporosis, osteogenesis imperfecta, hyperparathyroidism,, non-controlled hyperthyroidism osteomalacia, rheumatoid arthritis, psoriatic arthritis, ankylosing spondylitis, current flare-up of osteoarthritis and/or gout, active malignancy, renal disease, Paget's disease of the bone, malabsorption syndrome.
2. Have osteonecrosis of the jaw (ONJ) or risk factors for ONJ such as invasive dental procedures (e.g., tooth extraction, dental implants, oral surgery) or intend to undergo such procedures during the study period, poor oral hygiene, periodontal, and/or pre-existing dental disease.
3. Have bone fractures, presence of active healing fractures, or recent bone fracture
4. Abnormal serum calcium.
5. Known vitamin D deficiency.

Sources for eligibility

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05876949)

## Sites

- BiokineticaJózefów, Poland
- FarmovsBloemfontein, South Africa
- Richmond PharmacologyLondon, United Kingdom

Sources for sites

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05876949)

## References

- PubMed 40357869  
Source: [pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/40357869/)
Related publication

Sources for references

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT05876949)

## Related records

### Drugs (1)

- [Denosumab](https://trialight.com/data/asset/denosumab-9ee8731d-42aa-4d04-abbd-9dffa084523f.md)

### Lead sponsors (1)

- [Alvotech Swiss AG](https://trialight.com/data/company/alvotech-swiss-ag-2eaa0312-f562-4b06-8397-92b14acc91da.md)

### Targets (1)

- [TNFSF11](https://trialight.com/data/target/tnfsf11-f943913e-58f0-5f3e-b943-025022f2eab3.md)

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