Please assess the completion status of the following clinical trial:

Trial Title: Involvement of Transverso-sacral- Neo- Articulations or of Transverso-iliac Articulations in Chronic Lumbago

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: TRIPLE
- Phase: PHASE4
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Adult with age equal or above to 18.~* Subject affiliated to French health insurance (Sécurité Sociale)~* Lateralized lumbago on side of the neo-articulation evolving since more than 3 months~* Mechanical pain, lumbar low level or gluteal without sciatic irradiation (pain above the knee)~* Mean pain during the latest 24 hours above 4 on an analogic visual scale (from 0 to 10)- Pain induced by palpation in regards to the neo-articulation~* Pain not relieved by medical treatment with non steroids anti- inflammatory drugs or antalgics~* No clinical proof for a discal origin : inducing factor, impulsiveness, spinal syndrome, true Lasègue~* transverse-sacral abnormality of IIb, IIIa, IIIc or IV type with neo-articulation lateralized on side of pain~* Informed consent form signed~Exclusion Criteria:~* Age below 18~* Clinical arguments in favour of a discal origin~* Pregnant women or women that could become pregnant the day of the infiltration~* Diabetic patient~* Patient unable to understand the protocol~* No autonomy for coming to the hospital (no budget allocated for patient transportation)~* Hypersensitivity to local anesthetics with liaison amide~* Hypersensitivity to one of the components~* Porphyria- Local or generalized infection, suspiscion of infection~* Severe troubles of coagulation, anti-coagulant treatment taken~* Bilateral lumbago with bilateral neo-articulation

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: None
- Healthy Volunteers: f

Study Arms:
- corticoid (Type: EXPERIMENTAL): Active arm : anesthetic bloc (1 ml of lidocaïne 1%) immediately followed with corticoid (altim® 1.5 ml)
- physiological solution (Type: PLACEBO_COMPARATOR): Control arm: anesthetic bloc (1 ml of lidocaïne 1%) immediately followed with physiological solution (1.5 ml)

Based on this trial design, predict the completion outcome and termination type (if applicable).