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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT03439410
Other study ID # SMAC Study
Secondary ID
Status Recruiting
Phase
First received
Last updated
Start date November 6, 2017
Est. completion date November 6, 2022

Study information

Verified date February 2019
Source IRCCS Policlinico S. Matteo
Contact Gino R Corazza, MD
Phone 00390382502973
Email gr.corazza@smatteo.pv.it
Is FDA regulated No
Health authority
Study type Observational [Patient Registry]

Clinical Trial Summary

The progressive rising of multimorbidity, which has been always considered the hallmark of clinical complexity (CC), has made management of the "complex" patient one of the most topical and challenging issues in medicine. However, patient-related factors (multimorbidity, age, frailty, disease severity) pertain only to the biological complexity, while CC is the result of the dynamic interaction between biological complexity and a number of other coexisting factors (socio-economic, cultural, behavioural, environmental). Starting from these premises, the investigators designed a five-year observational prospective longitudinal study that aims to validate and compare a CC score system on a large cohort of patients (n=1000) admitted in internal medicine wards. Clinicians, biostatisticians and epidemiologists will cooperate into the project. A questionnaire that encompasses the main biological and extra-biological factors was designed (Clinical Complexity Index, CCI) by a multiprofessional consensus. This questionnaire will be administered by the investigators to the patients and validated. Consecutive patients will be enrolled every other week for two years and followed-up for 5 years. The primary endpoint will be the validation of the CCI. Thereafter, the investigators will evaluate the correlation between the CCI and the length of stay of the index hospitalization, assuming that a higher CCI score is associated with longer length of stay. The secondary endpoints will be the demonstration of the association between higher CCI score and more health resources utilization (i.e., evaluating occurrence of hospital readmissions, number of accesses to the emergency room, visits at the outpatient clinic, different drugs prescribed and hospital reimbursement according to the local diagnosis-related group [DRG] system) along with worse prognosis (mortality at 1 and 5 years).


Description:

The Clinical Complexity Index (CCI) that will be validated is made of 25 different variables, divided into 5 domains (biological, socioeconomic, behavioral, environmental, cultural). All variables were dichotomised and were coded -1 (absence of the variable) and +1 (presence of the variable). For each variable, the answer "yes" increases the degree of complexity. See Citations for further details.

Here is the CCI that will be used in the study:

BIOLOGICAL DOMAIN Age > 75 years yes☐ +1 no☐ -1 Intake ≥ 5 medications yes☐ +1 no☐ -1 Cumulative Illness Rating Scale (CIRS) > 3 and/or CIRS severity >3 yes☐ +1 no☐ -1 ↑ frailty (Edmonton Frail Scale > 5) yes☐ +1 no☐ -1

↓ mobilization (Barthel<60) yes☐ +1 no☐ -1

SOCIO-ECONOMIC DOMAIN Living alone yes☐ +1 no☐ -1 Income < 1000 €/month yes☐ +1 no☐ -1 Unemployment/precarious work yes☐ +1 no☐ -1 Dependent/disabled family member yes☐ +1 no☐ -1 Need for a caregiver yes☐ +1 no☐ -1

BEHAVIOURAL DOMAIN Inadequate adherence to medications yes☐ +1 no☐ -1 Active smoking of at least 4 cigarettes/day yes☐ +1 no☐ -1 Alcohol (>3 Alcohol Units/day) and/or drug abuse yes☐ +1 no☐ -1 Inappropriate diet yes☐ +1 no☐ -1 Cognitive impairment (Short Blessed Test > 9) yes☐ +1 no☐ -1

ENVIRONMENTAL DOMAIN Institutionalization yes☐ +1 no☐ -1 Difficult access to healthcare yes☐ +1 no☐ -1 Presence of home architectural barriers yes☐ +1 no☐ -1 Occupational exposure to toxins yes☐ +1 no☐ -1 Air pollution yes☐ +1 no☐ -1

CULTURAL DOMAIN Schooling < 8 years yes☐ +1 no☐ -1 Insufficient access to information yes☐ +1 no☐ -1 Lack of adherence to health screening programs yes☐ +1 no☐ -1 Language barriers yes☐ +1 no☐ -1 Perceived discrimination yes☐ +1 no☐ -1

The investigators will administer the CCI to all patients admitted to the wards (Internal Medicine and Subacute ward), according the study protocol. All the enrolled patients will be followed-up with a phone call after after discharge (at 4-8-12 months) for collecting the following data: occurrence of hospital readmission within 1 month after discharge; the number of readmissions; the number of accesses to the emergency room (ER); the number of visits at the outpatient clinic; the number of different drugs prescribed; mortality. Mortality will also be assessed once a year for 5 years.


Recruitment information / eligibility

Status Recruiting
Enrollment 2000
Est. completion date November 6, 2022
Est. primary completion date November 6, 2019
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria:

- Age = 18

- Hospitalized in one of the participating Units (Internal Medicine wards or Subacute ward)

Exclusion Criteria:

- Already enrolled in the study during a previous hospitalization

- Denied informed consent

Study Design


Related Conditions & MeSH terms


Intervention

Other:
Clinical Complexity Index
Clinical Complexity Index (CCI) will be administered at the time of admission to the ward.

Locations

Country Name City State
Italy Fondazione IRCCS Policlinico San Matteo Pavia Lombardia

Sponsors (1)

Lead Sponsor Collaborator
IRCCS Policlinico S. Matteo

Country where clinical trial is conducted

Italy, 

References & Publications (2)

Corazza GR, Klersy C, Formagnana P, Lenti MV, Padula D; Consensus Panel. A consensus for the development of a vector model to assess clinical complexity. Intern Emerg Med. 2017 Dec;12(8):1313-1318. doi: 10.1007/s11739-017-1709-6. Epub 2017 Jul 14. — View Citation

Palese A, Brusaferro S. A multidimensional vector model measuring clinical complexity may increase effectiveness in patient assessment. Intern Emerg Med. 2017 Dec;12(8):1287-1289. doi: 10.1007/s11739-017-1722-9. Epub 2017 Aug 4. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Validation of the Clinical Complexity Index (CCI) Validation of the Clinical Complexity Index (CCI) proposed in the project (see first Citation and Study Description for further details). This index should measure patients' clinical complexity, including biological, socioeconomic, cultural, behavioral, and envirnomental domains. The total score range is -25 to +25 (-5 to +5 per each domain). The investigators expect that a higher value is associated with a worse outcome (higher clinical complexity). 2 years
Secondary Length of stay The investigators will measure the length of stay (unit of measurement: days) of each enrolled patient. 2 years
Secondary Healthcare expenditure and utilization To demonstrate the association of the Clinical Complexity Index (CCI) with the use of health resources, including the occurrence of hospital readmission within 1 month; the number of readmissions during the first 12 months; the number of accesses to the emergency room (ER) during the first 12 months; the number of visits at the outpatient clinic during the first 12 months; the number of different drugs prescribed during the first 12 months; the hospital reimbursement according to the Regional DRG system for the index hospitalization. Each of these items will be separately analyzed. 1 year
Secondary Mortality To evaluate the association between a higher Clinical Complexity Index (CCI) score and mortality at 1 and 5 years. 5 years
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