Prospective, randomized, blinded, comparative study between botulinum toxin and topical capsaicin in the treatment of postmastectomy syndrome. Pilot study

2024-513609-29-01 Protocol SPM 2024 Therapeutic use (Phase IV) Ongoing, recruitment ended

Start 10 Mar 2025 · Status Ongoing, recruitment ended · 1 EU/EEA countries · 1 sites · Protocol SPM 2024

Overview

Sponsor-declared trial summary

Phase Therapeutic use (Phase IV)
Status Ongoing, recruitment ended
Participants planned 30
Countries 1
Sites 1

Postmastectomy Syndrome

To determine the effectiveness of Botulinum Toxin type A and topical Capsaicin for the treatment of moderate-severe pain in PMS among women who underwent surgery for unilateral breast neoplasia.

Key facts

Sponsor
Fundacion Para El Fomento De La Investigacion Sanitaria Y Biomedica De La Comunitat Valenciana
Participant type
Patients
Age range
18-64 years, 65+ years
Gender
Female
Therapeutic area
Phenomena and Processes [G] - Musculoskeletal and Neural Physiological Phenomena [G11]
Trial duration
10 Mar 2025 → ongoing
Decision date (initial)
2024-09-04
Transition trial
No
Low-intervention
Yes
Rare-disease indication
No
Vulnerable population
No
Funding sources
Merz Therapeutics · Fundacion FISABIO · Hospital Universitario Doctor Peset

Trial design

CTIS Part I — objectives, methods, condition coding

Main objective

Scope: Therapy, Efficacy

To determine the effectiveness of Botulinum Toxin type A and topical Capsaicin for the treatment of moderate-severe pain in PMS among women who underwent surgery for unilateral breast neoplasia.

Secondary objectives 2

  1. To discriminate other factors associated with pain that may influence the therapeutic response.
  2. Recording of the degree of patient satisfaction

Conditions and MedDRA coding

Postmastectomy Syndrome

VersionLevelCodeTermSystem organ class
27.0 LLT 10088494 Postmastectomy pain syndrome 100000004848

Regulatory references

Plan to share IPD
No
EU CT numberTitleSponsor
2024-513609-29-00 Prospective, randomized, blinded, comparative study between botulinum toxin and topical capsaicin in the treatment of postmastectomy syndrome. Pilot study Fundacion Para El Fomento De La Investigacion Sanitaria Y Biomedica De La Comunitat Valenciana

Eligibility criteria

Principal inclusion / exclusion criteria as submitted by sponsor

Inclusion criteria 4

  1. Women over 18 years of age operated on for unilateral breast neoplasia
  2. Patients with painful symptoms defining postmastectomy syndrome.
  3. Patients with moderate-severe pain.
  4. Signed informed consent form.

Exclusion criteria 5

  1. Age less than 18 years
  2. Presence of cognitive-behavioral deficits.
  3. Patients with bilateral tumor involvement, cases of tumor recurrence, patients referred for non-oncologic breast surgery.
  4. Non-acceptance to participate in the study.
  5. Breast tumors in men.

Endpoints

Primary and secondary outcome measures (English text)

Primary endpoints 2

  1. Pain assessment: Recording of pain intensity using a visual analogue scale (VAS)
  2. Characterization of the predominant pain perception: burning, stabbing pain, sensation of pressure or numbness.

Secondary endpoints 3

  1. Recording of side effects
  2. Recording of the degree of patient satisfaction
  3. Recording of concomitant analgesic medications

Investigational products

Investigational medicinal products (IMPs), comparators, placebo, auxiliary

Test 2

XEOMIN 100 unidades polvo para solución inyectable

PRD10941712 · Product

Active substance
Clostridium Botulinum Neurotoxin Type a (150KD), Free of Complexing Proteins
Substance synonyms
IncobotulinumtoxinA, NT 201, Botulinum toxin type A (150 kD), free from complexing proteins
Pharmaceutical form
SOLUTION FOR INJECTION
Route of administration
INTRAMUSCULAR
Max daily dose
100 U unit(s)
Max total dose
100 U unit(s)
Max treatment duration
1 Day(s)
Authorisation status
Authorised
ATC code
M03AX01 — BOTULINUM TOXIN
Marketing authorisation
69292
MA holder
MERZ PHARMACEUTICALS GMBH
MA country
Spain
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Qutenza 179 mg cutaneous patch

PRD4980580 · Product

Active substance
Capsaicin
Pharmaceutical form
CUTANEOUS PATCH
Route of administration
TRANSDERMAL USE
Max daily dose
179 mg milligram(s)
Max total dose
179 mg milligram(s)
Max treatment duration
1 Day(s)
Authorisation status
Authorised
ATC code
N01BX04 — CAPSAICIN
Marketing authorisation
EU/1/09/524/001
MA holder
GRÜNENTHAL GMBH
MA country
EU
Paediatric formulation
No
Orphan designation
No
Modified vs. Marketing Authorisation
No

Sponsors and contacts

Sponsor organisations, regulatory contacts, third parties

Fundacion Para El Fomento De La Investigacion Sanitaria Y Biomedica De La Comunitat Valenciana

Sponsor organisation
Fundacion Para El Fomento De La Investigacion Sanitaria Y Biomedica De La Comunitat Valenciana
Address
Avenida Cataluna No 21
City
Valencia
Postcode
46020
Country
Spain

Scientific contact point

Organisation
Fundacion Para El Fomento De La Investigacion Sanitaria Y Biomedica De La Comunitat Valenciana
Contact name
M Rosario Beseler Soto

Public contact point

Organisation
Fundacion Para El Fomento De La Investigacion Sanitaria Y Biomedica De La Comunitat Valenciana
Contact name
M Rosario Beseler Soto

Locations

1 EU/EEA country · 1 investigational sites

By country

CountryMS statusPlanned subjectsSites
Spain Ongoing, recruitment ended 30 1
Rest of world 0

Investigational sites

Spain

1 site · Ongoing, recruitment ended
Hospital Universitario Dr Peset Aleixandre
physical medicine and rehabilitation, Avinguda De Gaspar Aguilar 90, 46017, Valencia

Country notifications

Trial-start, recruitment-start, end and early-termination notifications submitted per Member State

Country Trial startTrial end Recruitment startRecruitment end Early termination
Spain 2025-03-10 2025-03-10 2025-12-21

Results and documents

Annex IV summary of results, Annex V layperson summary, and all documents registered in CTIS for this trial

Documents 4 files

Public protocol annexes, IB summaries, regulatory submissions and post-authorisation documents registered in CTIS.

TypeTitleVersion
Protocol (for publication) D1_Protocolo_2024-513609-29_ForPublic 1
Recruitment arrangements (for publication) K1_ Recruitment Arrangememts 1
Subject information and informed consent form (for publication) L1_SIS and ICF_2024-513609-29 2
Synopsis of the protocol (for publication) D1_Sinopsis protocolo_2024-513609-29 1

Application history

1 submissions — initial application plus substantial / non-substantial modifications

#TypeCodeSubmittedReference MSConclusionDecision date
1 INITIAL IN 2024-06-26 Spain Acceptable
2024-09-04
2024-09-04