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Organization (Industry)

Prelude Therapeutics Inc

ClinicalTrials.gov lists Prelude Therapeutics Inc as lead sponsor of 12 trials. It has 115 active development programs and 5 approved assets.

US Industry Manufacturer CIK 0001678660
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3 0 2019 2026

Trials started per year with this organization as sponsor or collaborator, 1990 onward. The series also counts trials where the organization is a collaborator; the lead-sponsor trial count does not.

2026 is partial: 1 registered with a 2026 start date. The dashed outline is the pace from the 1 registered with a start date through September, planned starts included, not adjusted; not a forecast. No forecast is made for this organization: it averages 1.6 trial starts a year over the five years to September, under the 5 a year the method needs.

This page covers Prelude Therapeutics Inc: 12 lead-sponsored trials and 2 legal-entity registrations.

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Disease areas (37)

Shown in this order: most trials first.

Disease areas
Disease area Trials
Head and Neck Neoplasms 4
Leukemia, Myeloid, Acute 4
Lung Neoplasms 4
Lymphoma 4
Lymphoma, Non-Hodgkin 4

Trials by start year as sponsor or collaborator (8)

Shown in this order: most recent first. 2026 is partial: trials registered with a 2026 start date so far, not a full year.

Show the table of trials by start year as sponsor or collaborator
Trials by start year as sponsor or collaborator
Year Trials started
2026 (partial year) 1
2025 1
2024 1
2023 2
2022 3
2021 1
2020 1
2019 2

Recruitment duration, a model prediction: 1 trial still running at the 2026-10-09 snapshot, fewer than the 5 needed for a median. Source: ClinicalTrials.gov / AACT (CTTI), public domain.

Active development programs (115)

Shown in this order: max phase, then active trials.

Active development programs
Drug Disease area Max phase Trials
PRT3789 Neoplasm Metastasis Phase 2 2
PRT3789 Esophageal Neoplasms Phase 2 1
PRT3789 Head and Neck Neoplasms Phase 2 1
PEMBROLIZUMAB Esophageal Neoplasms Phase 2 1
PEMBROLIZUMAB Head and Neck Neoplasms Phase 2 1

Approved assets (5)

Shown in this order: max phase first.

Approved assets
Drug Trials
PEMBROLIZUMAB 1
Venetoclax 2
DOCETAXEL 1
Zanubrutinib 1
AZACITIDINE (VIDAZA) 1

Sponsor delivery record (1)

Enrollment hit target: the share of this sponsor's lead-sponsored trials whose actual enrollment reached the planned enrollment. On time: the share whose actual primary completion date was no later than the planned date. Each share counts only trials where we observed an estimated figure before the actual one, and n is that number of trials. Below 5 trials the count is shown as a fraction, not a percentage.

Sponsor delivery record
Enrollment Timeline
27% hit target (n=11) 55% on time (n=11)

Journals published in (2)

Shown in this order: most published in first.

Journals published in
Journal Publications
Lab on a chip 1
Oral oncology 1

SEC-reported annual financials (8)

Shown in this order: newest fiscal year first; SEC EDGAR XBRL companyfacts, USD as reported.

SEC-reported annual financials
Fiscal year Revenue (USD) Net income (USD) R&D (USD)
2025 12,140,000 -99,498,000 94,300,000
2024 7,000,000 -127,173,000 117,995,000
2023 not reported -121,832,000 103,393,000
2022 not reported -115,438,000 92,889,000
2021 not reported -111,694,000 86,778,000
2020 not reported -56,929,000 48,177,000
2019 not reported -27,570,000 24,279,000
2018 not reported not reported not reported

Financing and grant events (17)

Shown in this order: most recent first.

Financing and grant events
Date Round type Amount (USD) Source
2026-04-20 Registered direct not disclosed Sec extracted
2026-03-12 Other financing not disclosed Edgar offerings
2026-03-12 ATM offering not disclosed Sec extracted
2025-12-10 Other financing not disclosed Edgar offerings
2025-11-03 Private placement 60,000,000 Sec extracted

Climate targets, as filed (1)

Climate targets, as filed
Reporting year Net-zero target
2025 not disclosed

Workforce and board diversity, as filed (1)

Workforce and board diversity, as filed
Reporting year Workforce % women Board % women
2025 not disclosed not disclosed

Latest dated events (29)

Shown in this order: newest first.

Latest dated events
Date Event Source
2026-04-29 Trial started Clinical trials (ClinicalTrials.gov) (ClinicalTrials.gov, U.S. National Library of Medicine; AACT database, Clinical Trials Transformation Initiative (CTTI))
2026-04-20 Registered direct offering Funding rounds and grants (NIH RePORTER + SEC EDGAR)
2026-03-12 At-the-market offering Funding rounds and grants (NIH RePORTER + SEC EDGAR)
2026-03-12 Financing Funding rounds and grants (NIH RePORTER + SEC EDGAR)
2025-12-10 Financing Funding rounds and grants (NIH RePORTER + SEC EDGAR)

Biomarker capability evidence (70)

Shown in this order: tier desc, then gene symbol.

Biomarker capability evidence
Gene Role Evidence
CDKN2A Trial sponsor Named in trial inclusion criteria
ERBB2 Trial sponsor Named in trial inclusion criteria
ERBB2 Trial sponsor Named in trial inclusion criteria
ESR1 Trial sponsor Named in trial inclusion criteria
JAK2 Trial sponsor Named in trial inclusion criteria

Not on this page

Checked, with nothing recorded for this organization: companies grouped under this page, related companies not grouped here, us granted patents, fda warning letters, fda untitled letters, fda inspection record, fda recalls, fda import refusals, manufacturing and distribution sites, organization relationships, clia clinical laboratory certificates, and biomarkers this organization publishes on.