Skip to content
Pharma Observatory a Scientist.com platform

Condition (MeSH)

Peripheral Nervous System Diseases

ClinicalTrials.gov lists 4,762 trials for Peripheral Nervous System Diseases or a narrower condition beneath it. National Cancer Institute (NCI) has the most among industry and government lead sponsors, with 47.

MeSH D010523 Nervous System Diseases C10
Email me this page as a PDF

Search trials, drugs, companies and investigators, and follow each one to the others. Individual plan, $249/seat/mo. Card required.

Phase 1 Phase 1 255 Phase 1/2 Phase 1/2 123 Phase 2 Phase 2 573 Phase 2/3 Phase 2/3 70 Phase 3 Phase 3 324 Phase 4 Phase 4 239 Not applicable Not applicable 2,031 Observational Observational 1,136 Phase 1 Phase 1 255 Phase 1/2 Phase 1/2 123 Phase 2 Phase 2 573 Phase 2/3 Phase 2/3 70 Phase 3 Phase 3 324 Phase 4 Phase 4 239 Not applicable Not applicable 2,031 Observational Observational 1,136

Trials per phase (log scale)

1 more section with rows

474 of the 4,762 trials are tagged with Peripheral Nervous System Diseases itself; the rest are tagged with a narrower condition beneath it.

Get the Peripheral Nervous System Diseases report as a PDF

The PDF carries up to 50 rows of each section, where the page shows the first few, with the sources listed. Enter a work email and confirm it from the message we send, and the report follows by email.

When did Peripheral Nervous System Diseases trials start? (36)

Shown in this order: most recent first, 1990 onwards. 2026 is partial: trials registered with a 2026 start date so far, not a full year. 11 trials are registered to start in 2027 or later, and not listed here.

Trials over time, by phase

  • Phase 1
  • Phase 1/2
  • Phase 2
  • Phase 2/3
  • Phase 3
  • Phase 4
  • Not applicable
  • Observational

Top of scale: 375

1990: 1 trials (Phase 2 1) 1992: 2 trials (Observational 1, Phase 3 1) 1993: 3 trials (Phase 3 2, Phase 2 1) 1994: 2 trials (Observational 1, Not applicable 1) 1995: 3 trials (Observational 1, Not applicable 1, Phase 3 1) 1996: 3 trials (Phase 3 3) 1997: 3 trials (Not applicable 1, Phase 3 1, Phase 2 1) 1998: 7 trials (Not applicable 1, Phase 3 4, Phase 2 1, Phase 1 1) 1999: 5 trials (Phase 4 1, Phase 3 1, Phase 2 3) 2000: 10 trials (Observational 2, Phase 3 2, Phase 2/3 1, Phase 2 3, Phase 1/2 1, Phase 1 1) 2001: 21 trials (Observational 8, Not applicable 1, Phase 4 1, Phase 3 1, Phase 2/3 1, Phase 2 7, Phase 1/2 1, Phase 1 1) 2002: 37 trials (Observational 4, Not applicable 6, Phase 4 3, Phase 3 9, Phase 2/3 2, Phase 2 11, Phase 1/2 1, Phase 1 1) 2003: 42 trials (Observational 2, Not applicable 5, Phase 4 7, Phase 3 12, Phase 2 10, Phase 1/2 3, Phase 1 3) 2004: 48 trials (Observational 3, Not applicable 5, Phase 4 12, Phase 3 11, Phase 2/3 3, Phase 2 12, Phase 1 2) 2005: 67 trials (Observational 9, Not applicable 6, Phase 4 7, Phase 3 19, Phase 2/3 4, Phase 2 16, Phase 1/2 1, Phase 1 5) 2006: 101 trials (Observational 15, Not applicable 21, Phase 4 13, Phase 3 21, Phase 2/3 5, Phase 2 20, Phase 1/2 3, Phase 1 3) 2007: 89 trials (Observational 15, Not applicable 14, Phase 4 6, Phase 3 13, Phase 2/3 4, Phase 2 26, Phase 1/2 6, Phase 1 5) 2008: 102 trials (Observational 19, Not applicable 19, Phase 4 4, Phase 3 11, Phase 2/3 5, Phase 2 31, Phase 1/2 3, Phase 1 10) 2009: 119 trials (Observational 13, Not applicable 31, Phase 4 8, Phase 3 17, Phase 2/3 3, Phase 2 33, Phase 1/2 5, Phase 1 9) 2010: 122 trials (Observational 30, Not applicable 28, Phase 4 9, Phase 3 17, Phase 2 21, Phase 1/2 8, Phase 1 9) 2011: 123 trials (Observational 28, Not applicable 34, Phase 4 9, Phase 3 17, Phase 2/3 3, Phase 2 18, Phase 1/2 3, Phase 1 11) 2012: 147 trials (Observational 44, Not applicable 40, Phase 4 12, Phase 3 7, Phase 2/3 1, Phase 2 36, Phase 1/2 3, Phase 1 4) 2013: 128 trials (Observational 22, Not applicable 49, Phase 4 14, Phase 3 10, Phase 2/3 2, Phase 2 21, Phase 1/2 7, Phase 1 3) 2014: 149 trials (Observational 35, Not applicable 57, Phase 4 5, Phase 3 12, Phase 2/3 2, Phase 2 25, Phase 1/2 3, Phase 1 10) 2015: 166 trials (Observational 37, Not applicable 69, Phase 4 7, Phase 3 13, Phase 2/3 4, Phase 2 19, Phase 1/2 6, Phase 1 11) 2016: 200 trials (Observational 54, Not applicable 82, Phase 4 9, Phase 3 12, Phase 2/3 4, Phase 2 21, Phase 1/2 3, Phase 1 15) 2017: 172 trials (Observational 34, Not applicable 75, Phase 4 13, Phase 3 9, Phase 2/3 2, Phase 2 24, Phase 1/2 3, Phase 1 12) 2018: 248 trials (Observational 56, Not applicable 126, Phase 4 15, Phase 3 10, Phase 2/3 2, Phase 2 20, Phase 1/2 4, Phase 1 15) 2019: 242 trials (Observational 64, Not applicable 114, Phase 4 8, Phase 3 13, Phase 2 27, Phase 1/2 4, Phase 1 12) 2020: 226 trials (Observational 54, Not applicable 101, Phase 4 10, Phase 3 7, Phase 2/3 6, Phase 2 26, Phase 1/2 6, Phase 1 16) 2021: 302 trials (Observational 81, Not applicable 164, Phase 4 6, Phase 3 9, Phase 2/3 3, Phase 2 18, Phase 1/2 8, Phase 1 13) 2022: 363 trials (Observational 88, Not applicable 200, Phase 4 15, Phase 3 7, Phase 2/3 3, Phase 2 19, Phase 1/2 8, Phase 1 23) 2023: 366 trials (Observational 117, Not applicable 183, Phase 4 12, Phase 3 18, Phase 2/3 2, Phase 2 18, Phase 1/2 6, Phase 1 10) 2024: 354 trials (Observational 97, Not applicable 195, Phase 4 11, Phase 3 6, Phase 2/3 3, Phase 2 22, Phase 1/2 9, Phase 1 11) 2025: 375 trials (Observational 107, Not applicable 188, Phase 4 9, Phase 3 10, Phase 2/3 1, Phase 2 31, Phase 1/2 8, Phase 1 21)

Trials registered with a start date in each year, 1990 onward, stacked by phase (complete years only; the current partial year is in the table's notes). The table below lists the same counts, most recent years first.

Trials started per year
Year Trials started
2026 (partial year) 368
2025 375
2024 354
2023 366
2022 363
2021 302
2020 226
2019 242
2018 248
2017 172

Forecast of the full-year count, planned starts included, not rows of this table: about 430 trials starting in 2026 and about 400 in 2027, the average of the 24 months through September, counted as registered and carried forward. The rows of this table count trials registered so far with a start date in the year, planned starts included; the forecast looks ahead to the count for the whole year, so it is not the same measure. In backtests on conditions of this size, forecasts made part-way through the year were typically off by about 13 percent and ran about 12 percent low against the count later registered; forecasts made before the year began were off by about 19 percent and ran about 17 percent low against the count later registered, and had about the same error as repeating last year's count. These figures rest on a few years of history (target years from 2018 to 2025, varying by figure), place each condition as it is mapped today rather than as it was then, and score against a count for the newest year that was still being revised. Only condition series were scored.

Prediction, not a registry value: median of 36 months from start to primary completion across 461 trials still running at the 2026-10-09 snapshot; registered median of 18 months across 2,743 trials with a primary completion typed Actual. Source: ClinicalTrials.gov / AACT (CTTI), public domain.

What phase are Peripheral Nervous System Diseases trials in? (9)

Shown in this order: phase order.

Show the trials by phase as a table
Trials by phase
Phase Trials
Phase 1 255
Phase 1/2 123
Phase 2 573
Phase 2/3 70
Phase 3 324
Phase 4 239
Not applicable 2,031
Observational 1,136
Expanded access 11

How many Peripheral Nervous System Diseases trials are recruiting? (12)

Shown in this order: the order a trial moves through, from not yet recruiting to unknown.

Trials by recruitment status
Status Trials
Not yet recruiting 290
Recruiting 655
Enrolling by invitation 62
Active, not recruiting 155
Available 3

Status as registered on ClinicalTrials.gov. Each trial is counted once.

Which lead sponsors run the most Peripheral Nervous System Diseases trials? (4)

Shown in this order: most trials first. Lead sponsors the registry classes as industry, NIH, US federal, other government or network. A hospital or university the registry files as government can appear here. Sponsors it classes as academic or other are shown on the full page, because that class cannot separate an institution from a named investigator.

Lead sponsors
Sponsor Trials
National Cancer Institute (NCI) 47
Pfizer's Upjohn has merged with Mylan to form Viatris Inc. 40
Pfizer 36
AstraZeneca 32

Which drugs are being tested for Peripheral Nervous System Diseases? (5)

Shown in this order: most trials first. One row per drug, matched to a single molecule under all its names, ranked by number of trials.

Drugs tested
Drug Trials
Pregabalin 104
Duloxetine 31
PMI-150 (intranasal ketamine) 22
Selumetinib 20
+/- Bupivacaine HCl 16

Interventions as named in the registry (10)

Shown in this order: most trials first.

Interventions as named in the registry
Drug Trials
L:Lidocaine 53
Gabapentin 6% 35
Acupuncture 33
Dexamethasone/Dexamethasone acetate 23
type A botulinum toxin 22

These are the names sponsors entered on ClinicalTrials.gov that we have not matched to a single molecule. Some are drugs under a brand or code name; others are procedures, doses or arm labels.

Which serious adverse events do Peripheral Nervous System Diseases trials report? (10)

Shown in this order: most subjects affected first. Subjects affected summed across trials, a cross-trial signal, not a rate.

Serious adverse events in this condition's trials
Adverse event Subjects affected Trials
Cardiac failure 512 26
Pneumonia 350 82
Cardiac failure congestive 228 29
Atrial fibrillation 219 39
Cardiac failure acute 185 12

Which publications cover Peripheral Nervous System Diseases? (1,047)

Shown in this order: major-topic papers first, then newest, then most linked to trials.

Sub-conditions in MeSH (19)

MeSH descendants one level down with at least one trial, most trials first.

+9 more sub-conditions

Not on this page

Not measured: delivery record.

Checked, with nothing recorded for this condition: prevalence and rare-disease identity.

Browse all condition evidence pages