Efficacy and Safety Study of Pembrolizumab (MK-3475) in Combination With Daratumumab in Participants With Relapsed Refractory Multiple Myeloma (MK-3475-668/KEYNOTE-668)
Public ClinicalTrials.gov record NCT03221634. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Phase 2 Study of Pembrolizumab in Combination With Daratumumab (Anti CD38) in Participants With Relapsed Refractory Multiple Myeloma (rrMM)
Study identification
- NCT ID
- NCT03221634
- Recruitment status
- Withdrawn
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- Merck Sharp & Dohme LLC
- Industry
- Enrollment
- Not listed
Conditions and interventions
Conditions
Interventions
- Pembrolizumab Biological
- Daratumumab Biological
Biological
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jul 31, 2017
- Primary completion
- Mar 19, 2019
- Completion
- Jun 9, 2021
- Last update posted
- Mar 24, 2019
2017 – 2021
United States locations
- U.S. sites
- 3
- U.S. states
- 3
- U.S. cities
- 3
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Mayo Clinic Jacksonville ( Site 0003) | Jacksonville | Florida | 32224 | — |
| Emory University School of Medicine ( Site 0002) | Atlanta | Georgia | 30322 | — |
| Karmanos Cancer Institute ( Site 0001) | Bloomfield Hills | Michigan | 48302 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 20 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03221634, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Mar 24, 2019 · Synced Jul 23, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03221634 live on ClinicalTrials.gov.