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ClinicalTrials.gov 3 recruiting now later-stage tilt small index

Sickle Cell Disease (SCD): later-stage trial registry

3 of 5 indexed Sickle Cell Disease (SCD) trials are currently recruiting, with more weight in Phase 3-4.

Corpus placement: #3,391 of 28,707 conditions by registered trial count.

5 US clinical trials · 3 currently recruiting · #3,391 of 28,707 conditions by registered trial count

Sickle Cell Disease (SCD): 5 US clinical trials tracked, 3 recruiting.

Sickle Cell Disease (SCD) is the subject of 5 registered US clinical trials on ClinicalTrials.gov, 3 of them currently open to new participants. 2 are in Phase 3-4 (later-stage) and 1 in Phase 1-2 (earlier-stage). The most active sponsor is Novartis Pharmaceuticals, running 2 of these trials.

Enrollment posture brief

Registry condition sickle-cell-disease-scd

OPEN 3 | RECR 60% | LATE 2 | EARLY 1 | RANK #3391 | SPON 2

Nearest open-share peer: Acute Kidney Injury (AKI) (60% recruiting · 5 trials)

Ablation80%ACL Reconstruction80%Abuse, Drug60%Acceptability60%Sickle Cell Disease (this)60%
Open-enrollment share among volume-matched conditions near Sickle Cell Disease (SCD)

Sickle Cell Disease (SCD) lists 3 open slots (60% of 5 indexed trials). Peers are matched on registered volume, not therapeutic-area browse lists. How peer matching works →

Key findings

What ClinicalTrials.gov does not surface for Sickle Cell Disease (SCD) on its own pages , computed from the registry mirror as of 2026-08-08. Each line carries its own denominator so it can be quoted as it stands.

  1. Sickle Cell Disease (SCD) is recruiting above its size-band peers.

    3 of 5 indexed trials (60%) are open to enrollment, against a 46.5% average across 27,806 conditions with fewer than 20 trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.

  2. One sponsor concentrates Sickle Cell Disease (SCD) research.

    Novartis Pharmaceuticals accounts for 2 of 5 trials (40%). 4 distinct sponsors appear on at least one study for this condition label.

  3. Typical Sickle Cell Disease (SCD) enrolment sits around 255 participants.

    Median target enrolment is 255 among the 5 trials that report a genuine target (sentinel values excluded). 2 of those (40%) plan for fewer than 100 participants.

  4. Sickle Cell Disease (SCD) splits between interventional and observational designs.

    3 interventional and 2 observational studies make up this index (60% interventional). Study type is sponsor-reported on ClinicalTrials.gov.

Phase 21Phase 31Phase 41

Phase Distribution

PhaseTrial count
Phase 2 1
Phase 3 1
Phase 4 1

Named interventions

Most-linked intervention names on Sickle Cell Disease (SCD) records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.

Crizanlizuamb Drug
1 trials
Crizanlizumab (SEG101) Drug
1 trials
Depot medroxyprogesterone acetate (DMPA) Drug
1 trials
Standard of Care Drug
1 trials
Placebo Drug
1 trials

US sites by state

Facility locations filed on Sickle Cell Disease (SCD) trials. A trial with sites in several states counts in each.

Texas 3 trials
Georgia 3 trials
Tennessee 2 trials
North Carolina 2 trials
Massachusetts 2 trials
Illinois 2 trials
Alabama 2 trials
Pennsylvania 1 trials

Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.

What to do with this Sickle Cell Disease (SCD) page

5 registered trials, 3 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.

Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.

Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This Sickle Cell Disease (SCD) condition card totals 5 registered trials; most-linked intervention Crizanlizuamb; top US site state Texas. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.