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2PX (Topical Strontium Chloride Hexahydrate) in Patients With Post-Amputation Stump Pain.

A Double-Blind, Placebo-Controlled Cross-Over Study to Evaluate the Efficacy of 2PX (Topical Strontium Chloride Hexahydrate) in Patients With Persistent, Moderate-to-Severe Lower Limb Post-Amputation Stump Pain.

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00592098
Enrollment
22
Registered
2008-01-11
Start date
2007-08-31
Completion date
2007-12-31
Last updated
2008-01-11

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Amputation Stumps, Pain

Keywords

Lower limb amputation at least 6 months prior to inclusion, Presenting with moderate-to-severe pain intensity, Outpatients, aged 18 years and above

Brief summary

The objective of this study is to investigate the analgesic effect of topical strontium chloride in stump pain, and to prospectively determine other efficacy and safety measures of topical strontium chloride in stump pain.

Interventions

Cutaneous solution, 1 ml dose per 100 sq cm of affected skin area, To be applied twice daily for 28 days.

DRUGPlacebo

Cutaneous saline solution, 1 ml dose per 100 sq cm of affected skin area, To be applied twice daily for 28 days.

Sponsors

SantoSolve AS
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
CROSSOVER
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Lower limb amputation at least 6 months prior to inclusion * Presenting with moderate-to-severe pain intensity (above 50 on 100 mm VAS) at screening, to be confirmed prior to randomisation as: Mean (over the 14 days run-in period) stump API rating above 50 on a 100 mm VAS * Outpatients, aged 18 years and above * Written informed consent

Exclusion criteria

* Subjects who have received treatment with any potent opioid in the 4 weeks prior to study entry (i.e. an opioid assumed to cause abstinence symptoms upon abrupt cessation) * Subjects taking any analgesic medication (except for rescue medication as defined in this protocol) * Subjects with expressed dissatisfaction with their prosthesis comfort * Pregnant or breast-feeding women * Any malignant disease * Subjects who have received an investigational drug or used an investigational device in the 30 days prior to study entry. * Subjects unable to comply with the study assessments * Subjects with documented or suspected alcohol or drug abuse

Design outcomes

Primary

MeasureTime frame
Average Pain Intensity (API): will be measured each evening in response to the question: 'What was your average pain intensity over the past 24 hours?' on a 100 mm VAS (0 = no pain, 100 = worst pain imaginable).24 hours

Secondary

MeasureTime frame
• Pain reliefWeekly
• Sleep disturbance24 hours
• Use of rescue medicationDaily
• Patient Global Impression of Change (PGIC)Weekly
• Worst Pain Intensity (WPI)24 hours
• Quality of life assessmentQ 14 days
Local skin irritabilityQ 14 days
Adverse eventsQ 14 days
• Prosthesis bothersomenessWeekly

Countries

Norway

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026