> Trialight public data. Index of pages: https://trialight.com/llms.txt
> Web page: https://trialight.com/data/trial/study-to-assess-safety-and-tolerability-of-opn-6602-in-dbffd2a4-80e8-489e-97ab-dec6c1c92861
> Record changed: 2026-11-04

# Study to Assess Safety and Tolerability of OPN-6602 in Subjects With Relapsed and/or Refractory Multiple Myeloma

NCT06433947

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06433947)

Phase

Phase 1

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06433947)

Recruitment status

Recruiting

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06433947)

Participants

130

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06433947)

Lead sponsor

Opna Bio LLC

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06433947)

Start date

2024-08-22

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06433947)

Number of sites

12

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06433947)

## Title and summary

**Summary**

Phase 1b, open-label study evaluating the safety, tolerability, pharmacokinetics, preliminary antitumor activity, and pharmacodynamics of OPN-6602 monotherapy and in combination with dexamethasone in subjects with relapsed and/or refractory MM.

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06433947)

**Short title**

Study to Assess Safety and Tolerability of OPN-6602 in Subjects With Relapsed and/or Refractory Multiple Myeloma

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06433947)

**Official title**

A Phase 1b, Dose Escalation/Dose Expansion, Multicenter, Open-Label Study to Assess the Safety and Tolerability of OPN-6602 Monotherapy and in Combination With Dexamethasone in Subjects With Relapsed and/or Refractory Multiple Myeloma

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06433947)

## Status and phase

**Control arm**

Open label

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06433947)

**Registry reports results**

No

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06433947)

**Listing at source**

Listed

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06433947)

**Recruitment status**

Recruiting

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06433947)

**Phase**

Phase 1

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06433947)

**Study type**

Interventional

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06433947)

## Dates

**Completion date**

2027-12-01

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06433947)

**First posted**

2024-05-30

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06433947)

**Registry last updated**

2026-10-30

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06433947)

**Primary completion date**

2027-12-01

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06433947)

**Start date**

2024-08-22

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06433947)

## Size and sites

**Participants**

130

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06433947)

**Participant count basis**

Estimated

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06433947)

**Planned participants**

130

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06433947)

**Protocol amendments**

5

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06433947)

**Number of sites**

12

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06433947)

## Sponsor and oversight

**Data monitoring committee**

Yes

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06433947)

**Registry sponsor category**

Industry

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06433947)

**Lead sponsor**

Opna Bio LLC

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06433947)

**Source registry**

ClinicalTrials.gov

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06433947)

## Identifiers

**Registry ID**

NCT06433947

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06433947)

**ClinicalTrials.gov ID**

NCT06433947

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06433947)

**Registry record**

Open registry record

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06433947)

## Study design

**Allocation**

Not randomised

**Model**

Single group

**Purpose**

Treatment

**Masking**

No masking

Sources for study design

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06433947)

## Outcomes

### Primary outcomes

1. Number and type of dose-limiting toxicities (DLTs)  
Timeframe: Through up to approximately 30 days following last dose of OPN-6602
2. Number and type of treatment-emergent adverse events (TEAEs)  
Timeframe: Through up to approximately 30 days following last dose of OPN-6602
3. Number of Participants With Clinical Laboratory Test Abnormalities  
Timeframe: Through up to approximately 30 days following last dose of OPN-6602  
Number of participants who experienced a clinical laboratory test abnormality, including hematology and serum chemistry, and coagulation. Abnormalities considered are those Grade 3-4 events with a \\>= 1 grade increase from baseline using National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (CTCAE) version 5.0.

Sources for outcomes

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06433947)

## Eligibility

**Sex**

All

**Age groups**

Adults, Older adults

**Minimum age**

18 Years

**Healthy volunteers**

No

### Inclusion criteria

- Confirmed diagnosis of multiple myeloma (MM)
- Relapsed or refractory to 3 or more different prior lines of therapy for MM that included immunomodulatory agents, proteosome inhibitors, and anti-CD38 antibody and not a candidate for or intolerant to established therapy known to provide clinical benefit
- Adequate hematologic, renal, liver, cardiac function

### Exclusion criteria

- Monoclonal gammopathy of undetermined significance (MGUS), smoldering myeloma, Waldenström's macroglobulinemia, or IgM myeloma
- Active plasma cell leukemia
- Polyneuropathy, organomegaly, endocrinopathy, monoclonal protein and skin changes (POEMS syndrome)
- Prior Stevens Johnson syndrome
- Localized radiation therapy to disease site(s) within 2 weeks of the first dose
- Prior autologous peripheral stem cell transplant or prior autologous bone marrow transplantation within <90 days of the first dose of study drug
- Prior allogeneic stem cell transplantation or solid organ transplantation within 12 months of first dose of study drug; subjects receiving immunosuppressive medication for active graft vs host disease will be excluded.
- Prior chemotherapy, targeted anticancer or radiation therapy within 2 weeks prior to first dose of study drug
- Concomitant high-dose corticosteroids (except subjects on chronic steroids given for disorders other than myeloma)
- Known central nervous system involvement by multiple myeloma
- Active known second malignancy with exception of adequately treated basal cell carcinoma, squamous cell carcinoma of the skin, or in situ cervical cancer; adequately treated Stage 1 cancer from which the subject is currently in remission and has been in remission for ≥2 years; low-risk prostate cancer with a Gleason score <7 and a PSA level <10 ng/mL; any other cancer from which the subject has been disease-free for ≥3 years
- Ongoing systemic infection requiring parenteral treatment
- Poorly controlled Type 2 diabetes

Sources for eligibility

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06433947)

## Sites

- Banner MD AndersonGilbert, United StatesRecruiting
- UC San Diego Moores Cancer CenterLa Jolla, United StatesRecruiting
- Stanford Cancer InstituteStanford, United StatesRecruiting
- Emory Winchip Cancer CenterAtlanta, United StatesRecruiting
- University of Kansas Clinical Research CenterWestwood, United StatesRecruiting
- Dana Farber Cancer InstituteBoston, United StatesRecruiting
- Karmanos Cancer InstituteDetroit, United StatesRecruiting
- START MidwestGrand Rapids, United StatesRecruiting
- University of Rochester Medical CenterRochester, United StatesRecruiting
- University of North Carolina Hospitals at HillsboroughChapel Hill, United StatesRecruiting
- Huntsman Cancer Center Institute University of UtahSalt Lake City, United StatesRecruiting
- Fred Hutchinson Cancer CenterSeattle, United StatesRecruiting

Sources for sites

Source: [clinicaltrials.gov](https://clinicaltrials.gov/study/NCT06433947)

## Related records

### Drugs (1)

- [Dexamethasone](https://trialight.com/data/asset/dexamethasone-b923ddae-f095-408c-96e9-975238a429ad.md)

### Lead sponsors (1)

- [Opna Bio LLC](https://trialight.com/data/company/opna-bio-llc-f972bcf6-1ff3-43a4-80e4-0878e0c38463.md)

### Conditions (1)

- [Plasma cell myeloma](https://trialight.com/data/condition/plasma-cell-myeloma-37186689-2591-5775-9042-2f2bf046a2b5.md) Primary condition

### Targets (2)

- [NR3C1](https://trialight.com/data/target/nr3c1-98974b8d-fb89-5483-955e-d4a994c71532.md)
- [NR3C2](https://trialight.com/data/target/nr3c2-ddf600eb-ddcf-5af5-b7a0-935d2b5ed817.md)

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